Galileos Work :: essays research papers

Galileo Galilei was conceived on February 15, 1564 in Pisa, Italy. In 1570 his family migrated to Florence. Galileo spearheaded "experimental logical method" and was the first to utilize a refracting telescope to make significant cosmic disclosures. In 1581, Galileo learned at the University of Pisa. There he got keen on the operations of science and reasoned that the period (the time wherein a pendulum swings to and fro) doesn't rely upon the bend of the swing (the isochronisms). In 1609 Galileo scholarly of the creation of the telescope in Holland. From the barest depiction he developed an endlessly predominant model. Galileo made a progression of significant disclosures utilizing his new telescope, including that the moon has cavities, valleys, and mountains much like the Earth’s landscape. He additionally had the option to see four little lights circling around the planet Jupiter. He was then ready to presume that it also was moons. Galileo was likewise ready to find that the planet Venus had stages a lot of like our Moon. As an educator of stargazing at University of Pisa, Galileo was required to show the acknowledged hypothesis of his time that the sun and all the planets rotated around the Earth. Later at University of Padua he was presented to another hypothesis, proposed by Nicolaus Copernicus, that the Earth and the various planets spun around the sun. Galileo's perceptions with his new telescope persuaded him regarding reality of Copernicus' sun-focused or heliocentric hypothesis. In 1610, Galileo distributed a book, The Starry Messenger, depicting his discoveries that bolstered the Copernican hypothesis. Galileo's help for the heliocentric hypothesis pushed him into difficulty with the Roman Catholic Church. He had to surrender his galactic interests. Be that as it may, Galileo fought back by distributing a book, Dialog Concerning the Two Chief World Systems. This book cause more contentions with the congregation because of it were in Italian which was an immediate clash with the congregation. In 1633 the Inquisition sentenced him for sin and constrained him to abjure (freely pull back) his help of Copernicus. They condemned him to life detainment, but since of his propelled age permitted him serve his term under house capture at his manor outside of Florence, Italy. It was not until 1992 that the congregation freely pardoned Galileo. However, due to the time span, the harm had just been finished.

Assignment Police Discretion Free Essays

Task: Police Discretion To me attentiveness is something that we generally utilize like by they way we pick things like a film to watch food to eat we generally must be discrete in what we decide to do. There are many individuals that would feel that it would be better if tact was detracted from the police. What the greater part of the individuals don't understand is that tact should be worked out. We will compose a custom paper test on Task: Police Discretion or on the other hand any comparable theme just for you Request Now Attentiveness isn't the issue; the maltreatment of prudence by certain individuals is. In this world there is consistently that terrible zone that has the ordinary response to various circumstances that may not matter. Reserving that privilege to exercise to watchfulness a cop might have the option to locate the best arrangement consistently. In the situation there was multiple times were the cop needed to utilize tact the first was the point at which the presume tumbled to the ground she could of simply left him there and not profit to check up for him the following one was the point at which the speculate began fleeing she could of simply left and let it be. The official could of simply halted at the battle and had called for reinforcement however she didn't she chose to proceed. These are the kind of discretions that I seen in this situation. As I would like to think I believe that circumspection was not very much actualized in such a case that it would have been a long interest and the suspect was going to hurt her she could of handily called for reinforcement quickly, despite the fact that she didn't have any acquaintance with it would have been difficult to get this presume the best activity was to call for help that way this circumstance would have been simpler and less excruciating for her. I believe that attentiveness ought not be controlled. I figure a great deal of cops by utilizing decision making ability they may and they will allow a few things to slide on the off chance that they can. Not in each circumstance is acceptable it has ups and its downs, cops ought to have the option to make a trustworthiness approaches the scene. Capturing somebody isn't generally the best answer for a circumstance they have to investigate how they could fix the circumstance with tact. The most effective method to refer to Assignment: Police Discretion, Papers

Provinces of the Philippines and Spanish Influence Origin Essay

A move performed by stunning youngâ ladies conveying scented fans and plays withâ young men with sticks and straw caps. Women moves their way to the core of the men they want using a fan. Cordillera Administrative Region (CAR) * BANOG TYPE: Cordillera Dance ORIGIN: Ifugao This move portrays trackers shielding their hen andâ chicks in Binaylan from a ravenous bird of prey. The trackers trap the bird of prey and slaughter it at long last. Cordillera Dance ORIGIN: Benguet This is a circle move, which is being performed to commend theâ arrival of successfulheadhunters. It is additionally prevalently known as Bendian.  Lubuagan, Kalingga The homecoming of triumphant head trackers after aâ successful kayaw ofâ headhunting, done to retaliate for the demise or shrewdness done to a relative or relative is praised with the playing of extraordinary gongs called gangsa. The minger or fruitful warriors are respected by their female family members withâ gift of plume of lawi,beads or bongon and vivid g-string sâ called ba-ag. Triumph melodies are sung byâ the by the locals while the minger hit the dance floor with shut clench hands while the bodan or the ineffective individuals from the scouting bunch are downgraded toâ playing the gangsas. <p

Energy crisis - Free Essay Example

ntroducton vr nc th nrgy cr, whn dgtl control (thn clld MC for nrgy mngmnt nd control ytm) wr uncrmonouly uhrd nto wdprd u for HVC control, th ndutry h trd to mk thm look nd ct lk th pnumtc control thy hv uprdd. Only occonlly r om of th profoundly xpndd opportunt vlbl wth dgtl control ppld ffctvly. Furthrmor, trm lk rt chdul nd drct ctng, rlvnt only to pnumtc ytm, r tll commonly mployd n wht now th dgtl control r. Whl th proc of trnton to dgtl control tchnolog tolrt th mxd bg, multtud of nw dmnd r rqurng our ndutry to mov hd nd rlz th full potntl of dgtl control tchnolog. Buldng occupnt r dmndng mor comfortbl nd hghr qulty nvronmnt. Buldng ownr contnu to pr for grtr conom n contructon, oprton, nd mntnnc. Fnlly, vrty of prur r upon u to provd mor prc control nd documntton tht tndrd for tmprtur, vntlton, nd ndoor r qulty r bng mt. n th rtcl, wll dcu how DDC tchnolog prmt nw flxblty n th trdtonl rul concrnng th nd for lnr gnl nd rpon wth nput nd output dvc. Whn proprly ppld, th nw flxblty cn rduc th cot of DDC tchnolog. Nxt month, wll how how, by combnng th fundmntl wth mrgng ntr mnufcturr control ntgrton, dgnr cn chv nw horzon n prformnc nd nrgy ffcncy. HVC Control ytm HVC control ytm computrzd ytm for clmt control n buldng. HVC tnd for humdty, vntlton , r-condtonng. Oftn, th ntgrt fr, curty, nd lghtng control nto on ytm. Th ytm typclly u on or mor cntrl controllr to commnd nd montor th rmot trmnl unt controllr, nd thy communct wth on or mor pronl computr tht r ud th oprtor ntrfc. Th control ytm r typclly ud on lrg commrcl nd ndutrl buldng to llow cntrl control of mny HVC unt round th buldng(). Th ltt ytm u th buldng thrnt for communcton btwn cntrl controllr, nd llow oprtor cc from wb browr. Drct Dgtl Control Cntrl controllr nd mot trmnl unt controllr r progrmmbl, mnng th drct dgtl control progrm cod my b cutomzd for th ntndd u. Th progrm ftur nclud tm chdul, tpont, controllr, logc, tmr, trnd log, nd lrm. Th unt controllr typclly hv nlog nd dgtl nput, tht llow murmnt of th vrbl (tmprtur, humdty, or prur) nd nlog nd dgtl output for control of th mdum (hot/cold wtr nd/or tm). Dgtl nput r typclly (dry) contct from control dvc, nd nlog nput r typclly voltg or currnt murmnt from vrbl (tmprtur, humdty, vlocty, or prur) nng dvc. Dgtl output r typclly rly contct ud to trt nd top qupmnt, nd nlog output r typclly voltg or currnt gnl to control th movmnt of th mdum (r/wtr/tm) control dvc.(Vlv/dmpr/motor pd) t w only nturl tht th frt HVC controllr would b pnumtc, th ngnr undrtood flud control. Thu mchncl ngnr could u thr xprnc wth th proprt of tm nd r to control th flow of htd or coold r. To th dy, thr pnumtc HVC qupmnt n oprton, whch cn b cntury old, n om buldng, uch chool nd offc. ftr th control of r flow nd tmprtur w tndrdzd, th u of lctromchncl rly n lddr logc, to wtch dmpr bcm tndrdzd. vntully, th rly bcm lctronc wtch, trntor vntully could hndl grtr currnt lod. By 1985, pnumtc control could no longr compt wth th nw tchnology. By th yr 2000, computrzd controllr wr common. Tody, om of th controllr cn vn b ccd by wb browr, whch nd no longr b n th m buldng th HVC qupmnt. Th llow om conom of cl, ngl oprton cntr cn ly montor thound of buldng. Why Lnr Dvc? Whn pnumtc control domntd our ndutry, buldng ownr pd hgh prc for modult n g l o o p p r f o r m n c n d tblty. On of th prc pd w th rqurmnt tht nput nd output dvc b lnr wth rpct to th ytm vrbl thy nd or controlld. Th nd for lnr rpon w ntl to mtch th lmtd control cpblt of pnumtc controllr. numbr of rul nd convnton wr tblhd wthn our ndutry tht md chvng th lnr rpon rqurmnt r. mong th wr th dvlopmnt of th qul prcntg vlv, whch ncludd th mngly bckwrd rul of thumb tht clld for zng control vlv mllr thn th pp z. mlrly, mchncl nng dvc wr contructd to provd lnr chng n control r prur ovr thr ntr nng rng. Whl th convnton nd rul of thumb rvd th dy of pnumtc, thy now nd to b rthought. Rqurng wht cll xtrnl lnrzton n dgtl control dgn dd cot n two wy. Lnr dvc r oftn mor xpnv thn nonlnr dvc tht my offr mprovd lvl of prformnc n DDC pplcton. Furthr, lnr output convnton, uch dgnng hgh prur drop through vlv or dmpr, crry ubtntl contnuou oprtng nrgy pnlty. By dvlopng nw rul nd convnton, th knowldgbl dgnr cn produc dgn tht hv lowr frt nd oprtng cot nd my oprt mor rlbly wll. Lnr Dvc n th DDC r Th nd for lnr rpon n modultng control loop h not bn lmntd by th ntroducton of dgtl control. Whl dgtl control offr mprovd modultng control cpblt, ncludng proportonl/ntgrl/drvtv (PD) controllr, th control loop contnu to b bd on th prncpl of lnr rpon, t lt ovr crtn rng. Howvr, n mot typcl pplcton, dgtl control cn ly ntrnlly lnrz both nput gnl nd output control functon. ntrnl Lnrzton of nput On wy to rduc th cot of om DDC confgurton to prmt nonlnr nput dvc nd u th DDC ytm for clng to chv th corrct rdng ovr th rng rqurd for th pplcton. contnu to DDC pcfcton tht lmt th lcton of nput dvc to tho tht provd lnr gnl to th DDC ytm ovr wd rng of vlu. xcpt n pcl c, th n unncry rqurmnt tht dd cot nd my cu othr problm. Condr tmprtur nor. Fg. 1 how rtnc curv for n nxpnv thrmtor typ tmprtur nor tht my b mployd for room tmprtur nng. Thrmtor r xcllnt choc for HVC pplcton. Thy r nxpnv, hv xcllnt ccurcy nd vry low hytr, nd rpond quckly to tmprtur chng. Furthrmor, t tmprtur normlly nvolvd n HVC pplcton, thrmtor hv xcllnt long-trm tblty (om cr hould b tkn n choong thrmtor whn tmprtur my r bov 240 F). Fnlly, bcu thrmtor r typclly hgh rtnc (10,000 ohm typcl), thy r not ffctd by vrton n wrng dtnc. Howvr, om dgnr contnu to xclud thrmtor bcu th nput gnl not lnr wth tmprtur ovr wd tmprtur rng. ntd, low mpdnc RTD typ nor r oftn pcfd. Th typ of nor typclly rqur n lctrc crcut t th nor tht lnrz nd trnmt th gnl n wy tht t wll not b ffctd by wrng rtnc (uully currnt loop gnl ud). mployng low rtnc RTD nor wth ddtonl lctronc prnt numbr of potntl problm n DDC pplcton. Frt th mttr of ccurcy. Whl th RTD nor thmlv provd xcllnt ccurcy, t not uncommon to fnd nd-tond ccurc ( u nd-to-nd th compron of th vlu rd by prcon thrmomtr t th dvc comprd wth th ctul rdng t th DDC ytm oprtor trmnl) out of tolrnc. Clbrton of th currnt loop nput my b mor dffcult thn tht of mpl rtnc typ thrmtor. Othr potntl problm wth RTD rng from th ddtonl lctronc (uully loctd t th dvc) tht my complct rlblty u ll th wy to how th nor curv 2 Nonlnr nor rtnc curv. Th nor prformnc curv mooth curv ovr th nor oprtng prur. Th DDC lnrzd curv r of trght ln tht cloly pproxmt th nor prformnc nor nd lctronc r confgurd, whch on occon h bn found to ffct dvrly th nor gnl. Tbl functon tht r now rdly vlbl wth DDC product cn b mployd to cl thrmtor nd othr nonlnr dvc ovr wd rng of vlu. Fg. 2 how how DDC ytm cn lnrz contnuou, nonlnr nor nput curv wth tbl functon. numbr of trght ln curv r tblhd n th tbl functon to pproxmt cloly th nonlnr functon of th dvc. long mpl, nxpnv dvc cn mt th rptblty, hytr, nd tblty rqurmnt for n HVC pplcton, uch dvc hould not b rjctd bcu thr gnl r not lnr. Rqurmnt of Lnr Output Onc t undrtood tht nput dvc nd not b lnr, t not grt lp to rcognz tht th rpon from output dvc controlld by nlog output mlrly nd not b lnr. Howvr, th u hr r mor complx nd mor ngrnd n th rul of thumb tht ngnr frquntly pply utomtclly, o om ndpth dcuon rqurd. Bcu of th pnumtc bckground, vlv dgn mnul commonly tr th nd to lct col/vlv combnton for whch qul ncrmnt n vlv poton wll ffct qul ncrmnt n ht trnfr of typcl htng or coolng col throughout th trok of th vlv ctutor. Fg. 3 how how trdtonl dgn prctc k to lnrz th ovrll prformnc of vlv nd coolng col. Crfully lctng col nd vlv combnton cn provd nrly lnr prformnc ovr th ntr rng of lod poblt. uch lcton don bcu t umd tht th vlv wll b oprtd by controllr wth fxd proportonl gn. Though th dgn prncpl tll wdly mployd, t no longr pplcbl n mny modrn HVC pplcton. n VV coolng col pplcton, th vrton of r flow nd r/chlld wtr tmprtur chrctrtc ct to chng dynmclly th ht trnfr chrctrtc of th vlv/col rrngmnt th prmtr chng. Th mk t vry dffcult to lct vlv/col combnton tht wll b lnr through th vrty of condton tht my ccompny t oprton. Th hghr prformnc of DDC ytm prmt dgnr much grtr flxblty n th dgn of modultng control wthout tblhng ttc (nd thrfor unrltc) dgn crtr. Fg. 4 how vlv nd col combnton tht do not provd lnr rpon of vlv poton to col cpcty. Howvr, modrn DDC ytm prmt clng tbl to b ppld to nlog output wll th nput. Output clng prmt n nhrntly nonlnr dvc combnton to rpond n lnr fhon to gnl from th DDC ytm. n th xmpl, th vlv nd col combnton provd bout 70 prcnt of th dgn coolng cpcty t bout 20 prcnt vlv trvl. Th DDC output to th vlv cn b djutd wth th clng tbl to poton th vlv t 20 prcnt trvl t 70 prcnt output gnl from th DDC ytm. Th clng fctor llow tndrd PD control to oprt th vlv ffctvly bcu of oftwr lnrzton of th vlv/col combnton. Howvr, th chlld wtr flow nd ht trnfr prformnc umd for Fg. 4 vld only for contnt lod-d flow nd nlt tmprtur nd for contnt chlld wtr upply tmprtur. Whthr nhrnt n th ytm dgn or for optmzton ron, rrly n rl HVC pplcton do th othr vrbl rmn contnt control loop oprt. prvouly dcud, th u of lnr output combnton h thrfor bn only wkly rolvd n th pt by ttmptng to lnrz componnt t on t of ytm condton. Obtnng good control ovr wd rng of ytm condton cn b rolvd fr mor compltly nd ffctvly wth th hghr prformnc cpblt of DDC ytm. Th proportonl, ntgrl, nd drvtv gn cn b td to lgorthm tht djut thr vlu th vrbl uch lod-d flow, tmprtur, nd chlld wtr tmprtur chng. vn mor mprv th mrgnc of lf-tunng controllr. Th controllr contnully r-tblh th vrou gn octd wth control loop to provd contnuouly prc control wthout huntng. Th bnft of lf-tunng r pclly mportnt bcu vrbl byond th mmdt control loop cn hv profound nd wdly vryng ffct on ch control loop. lf-tunng ftur r bcomng wdly vlbl wth DDC ytm nd r normouly ffctv n djutng control loop to contnu tbl oprton othr ytm vrbl chng. Controllblty prvouly dcud, lctng qupmnt for lnr rpon hould not b n ovrrdng condrton for dgnr n th r of dgtl control. Howvr, th do not mn dgnr cn b mprc n thr dgn or n th lcton of control loop componnt. Th u of controllblty on tht wll contnu to ply promnnt rol both n th dgn of ytm nd th lcton of ndvdul componnt. Controllblty rmn lrgly zng u. f vlv ovrzd for gvn condton uch tht th mllt ncrmnt pobl from th control loop wll ubtntlly ovrhoot th drd control condton, th loop h bcom uncontrollbl. Th problm tht typclly mrg durng prod of low lod. Fully undrtndng th u of controllblty nd pplyng DDC cpblt corrctly llow dgnr to olv uch problm nd t th m tm vtly mprov th ffcncy nd prformnc of th ytm. lctng control vlv wth lowr prur drop wll rduc th pumpng powr rqurd to mt th lod condton. Trdtonl prctc trongly condmn th d of mployng lrg vlv wth lowr prur drop bcu of th nonlnr rpon nd th lck of controllblty t low lod. Fg. 5 llutrt th dlmm. Th vlv/col combnton wth Vlv my b lctd ccordng to trdtonl dgn prctc bcu t ronbly controllbl t low lod. Th vrtcl x ntrcpt rprnt th mllt ncrmntl coolng trnfr pobl th vlv crckd opn. Not tht t mll-only bout 10 prcnt of th dgn mxmum coolng rt. Th col combnton wth Vlv B h much lowr prur drop bcu Vlv B lrgr z vlv. Whl vlv/col Combnton B would rqur l pumpng powr, th Y-x ntrcpt much hghr thn tht for Combnton . Trdtonl dgn crtr typclly dclr Vlv B unutbl for th pplcton bcu t uncontrollbl t lowr lod nd th vlv poton/ coolng cpcty rltonhp nonlnr. But whn t ntgrtd wth hgh-prformnc control ytm tht cn djut both th chlld wtr tmprtur nd th loop hd prur, wll lnrty nd controllblty of Combnton B rlly b problm? ytm Dynmc To how th quton cn b nwrd, condr th grph n Fg. 6 nd 7. Fg. 6 how th oprton curv for vlv/col Combnton B t numbr of dffrnt pproch (chlld wtr upply l r tmprtur lvng col) tmprtur condton. t clr tht ncrng th chlld wtr tmprtur rltv to th lvng r tmprtur mrkdly mprov th controllblty t low lod. mlrly, Fg. 7 llutrt tht th dcr n prur cro th vlv/col combnton lo mprov th controllblty t low lod. Dgnr cn u th rltonhp to rduc ubtntlly th problm of controllblty. t prod of unform low lod, th DDC ytm cn rduc th hd prur cro vlv nd ncr th chlld wtr tmprtur to mprov controllblty. f ll vlv on common chlld wtr loop xprnc mlr dcr n lod concurrntly, typcl n mny HVC pplcton, th prmtr djutmnt grt hlp n mprovng controllblty t low lod. t pprnt from th two fgur tht lrgr rngblty nd low lod controllblty r chvd by controllng th chlld wtr tmprtur for lod djutmnt. Rng th chlld wtr tmprtur provd bonu of chllr ffcncy ncr, but chlld wtr djutmnt rduc pumpng vng bcu hghr chlld wtr tmprtur ncr th wtr flow ncry to mt lod. ddtonlly, undr crtn crcumtnc dhumdfcton rqurmnt my lmt th prmbl chlld wtr djutmnt. xplotng th ntgrtd control cpblt of DDC ytm nd controllng chlld wtr tmprtur nd hydronc loop prur n coordnton wth th control vlv llow vlv/col Combnton B to prform vry wll n mny HVC pplcton. Nxt month w wll focu on th lvl of ntgrton rqurd to mk vlv/col Confgurton B oprt ffctvly. W wll dcu ntgrtng th oprton of th vrou qupmnt nvolvd n provdng comfort, pobl now through th ndutry mov to provd communcton brdg mong mnufcturr. By concntrtng on lctng th mot cotffctv nput/output dvc nd by utlzng th mrgng communcton pthwy btwn qupmnt from vrou upplr, w wll tht nw horzon of prformnc nd nrgy ffcncy cn b ttnd wth mpl nd conomcl control confgurton. Dgnr mut xplot th bnft of hghr prformng DDC ytm to dvlop n undrtndng of th fundmntl of ntrfcng hrdwr pont to DDC ytm. n o dong, mor n-dpth look nto totl ytm oprton mut b vlutd bfor oluton r lctd. mply followng trdtonl rul of thumb rgrdng lnr nput nd output dvc poor dgn prctc n th dgtl control r. DDC nd mll nd Mdum z Buldng Th control of htng, vntltng nd r-condtonng (HVC) ytm chngng rult of pplyng drct dgtl control (DDC) tchnqu to HVC control. Th rport outln th mn ftur of DDC comprd wth convntonl pnumtc control nd how tht, for mll-to-mdum-z buldng, th DDC ytm cn py for tlf wthn two yr, ftr whch t ffct nt vng ovr pnumtc ytm. Compron btwn Pnumtc Control nd DDC Drct dgtl control of HVC ytm th drct montorng of vry ytm nput (tmprtur, flow, prur) nd drct control of vry ytm output (poton, onlff) from cntrl controllr whch ngl computr or combnton of computr. DDC mpl concpt, but t gnfcnc not obvou untl t comprd wth trdtonl form of HVC control. Trdtonlly, th control of HVC ytm w bd on ndpndnt pnumtc controllr, whch ud comprd r t o oprt th dmpr nd vlv ctutor t o control pc condton uch tmprtur, humdty nd frh-r crculton. On buldng would hv vrl uch ytm, whch wr controlld ndpndntly. For xmpl, n r-hndlng ytm compod of two fn, thr dmpr nd thr vlv (Fgur 1) would b controlld by locl pnumtc controllr whch oprtd ndpndnt unt. ch controllr hd mpl tk: to mntn contnt t pont (for xmpl, upply r tmprtur) by montorng nd controllng vry l m t d numbr of vrbl connctd to t by mn of comprd r ln who prur rprntd th vlu of th vrbl. Th control w djutd mchnclly by tchncn n th fld, nd, clbrton of th pnumtc componnt w rrly crrd out, th ytm oftn dd not control th buldng ffcntly. Bcu th pnumtc controllr wr purly lctromchncl dvc, thr ophtcton nd ccurcy of control wr xtrmly lmtd. ltr vrnt (of pnumtc control) lo mployd pnumtc cntrl, but w t h th ddton of computr ytm. Th comput ytm montord om ddtonl pont (for xmpl, pc tmprtur) nd thr clcultd nw t pont for ch pnumtc controllr or llowd n oprtor t computr trmnl to trnmt mnul t pont to th pnumtc controllr. lthough th nwr vrnt dd th buldng mngr by provdng mor nformton bout buldng condton nd prformnc, ovrll ffctv control of th buldng w tll compromd by th locl pnumtc controllr. ch controlld pont w tll oprtd by pnumtc controllr wth vry lmtd ophtcton nd vrtully no flxblty. Th lmtton bcm mor mportnt wy to mng nrgy bcm mor ophtctd, om WC ytm, uch vrbl r volum (VV) ytm, rqurd n ccurcy of control not ttnbl n mot c by pnumtc controllr. rult, buldng nrgy mngr wr frutrtd by thr nblty to mprov th control trtg wthout rbuldng th pnumtc control ytm for ch chng. DDC h olvd both problm;. ntd of ndpndnt locl pnumtc controllr, DDC u control or montorng pont, ch connctd to computr (or ntrconnctd computr) whch rd th vlu of ch nput nd trnmt commnd to ch output (Fgur 2). Th control trtg r mplmntd by computr progrm, whch cn b chngd by th oprtor t wll. lo, ch trtgy h vlbl to t th vlu of vry ytm nput ntd of vry l m t d locl t. n hort, undr th DDC concpt, th ntr buldng oprt on ntgrtd ytm rthr thn ndpndnt rrrll ytm. Four mn rult ccru: Control cn b mpl or ophtctd drd, nd cn b chngd ly; Th ytm mor rlbl bcu fwr lctromchncl componnt r ndd; Control mor ccurt bcu of th nhrnt grtr ccurcy of DDC lctronc componnt; nd nrgy vd bcu n ovrll trtgy lmnt nrgy wt rultng from multnou htng nd coolng, whch uully occur n pnumtc ytm. Th blty of DDC to ccommodt vrtully ny control trtgy h hd drmtc mpct on mchncl dgn. om nw mchncl ytm cn oprt n mny dffrnt mod, dpndng on xtrnl condton, pc tmprtur, on, condton of torg tnk, nd utlty-prcng tructur. DDC llow uch ytm to b oprtd contnuouly n thr optmum mod, tndrd whch mply cnnot b ttnd by ordnry pnumtc ytm or vn pnumtc ytm wth computr montorng. Conquntly, mchncl dgnr r now fr to d g n th bt nrgy ytm for prtculr buldng wth th urnc tht whtvr control trtg thy pcfy cn b crrd out. ch loop t th rmot procor cn ctvt tlf ndpndnt of th othr; howvr, th mot ffcnt u of nrgy chvd by controllng ll th loop through th cntrl procor. chdulng r-condtonng nd htng lod nd lctvly droppng lctrcl lod f th totl buldng powr pproch th dmnd lmt r two common nrgy optmzton ftur vlbl. Othr ftur, uch optml top/trt, whch clcult th optmum trtng nd toppng tm of htng/coolng unt to prpr pc for occupncy wthout wtng nrgy, r lo ud prt of n ovr-ll trtgy. Mot of th optmzton routn do not rqur ny ddtonl hrdwr nc thy r mplmntd by mply ddng progrm tht n xtng nput nd chng th trtgy for controllng xtng output ctutor. Th buldng ownr or mngr who u DDC ffctvly nd fdbck to vlut h trtg for optmzng buldng prformnc. DDC mplf th proc bcu t contnully montor ch nput drctly nd h torg cpcty to kp fl of th htorcl dt thu obtnd. Th htorcl dt cn b plottd n color on TV crn or ummrzd nd prntd n rport formt for mngmnt rvw. Th mot dvncd DDC ytm (Fgur 3) nclud gnrlzd rport gnrtor whch cn produc n typ of rport t ny tm rthr thn lmt th ur to th rport nggd whn th ytm w procurd* Th ftur of DDC prtculrly mportnt nc th ownr powr to chng h nrgy trtgy gnrlly crt nd for nw rport on nrgy-ntv r dntfd by contnud u of th ytm. n ncllry bnft th blty of th DDG ytm to nclud fclt othr thn WC. Wth lttl ncr n cot, fctor uch control of curty nd lghtng cn b ddd to th ytm, thrby nblng grtr nrgy vng nd lmntng th nd to purch prt ytm for bdg rdng nd door-lock control. Thr no doubt tht DDC offr mor ffctv nrgy mngmnt thn convntonl control but, untl vry rcntly, t pplcton to HVC ntllton h bn lmtd to lrg buldng complx. Mny mll- nd mdum z buldng ntllton do not u DDC mnly bcu of t hgh cot. n th followng cton typcl mll buldng nlyzd nd DDC comprd wth pnumtc control on cot nd pybck b. mll Buldng ytm Th cot of n HVC control ntllton gnrlly rltd to th numbr of pont t o b montord or controlld, whr ch pont dfnd n nlog or dgtl nput (.g., tmprtur nor, fn ttu wtch) or nlog or dgtl output (.g. dmpr poton or pump on/off control. ch buldng ytm, uch r hndlng, domtc hot wtr, or chlld wtr, nclud crtn numbr of pont. rcnt tudy whch ncludd dtld nly of r of buldng HVC ytm, howd tht mll- to mdum-z buldng of bout 37,175 m2 (400,000 q. ft .) would contn bout 180 pont, of whch 35% would b nlog nput, 19% nlog output, 25% dgtl nput nd 21% dgtl output. lthough dffrnt buldng confgurton nd mchncl dgn would ffct th dtrbuton of pont typ, th totl numbr of pont for buldng of th z would uully b clo to 180. Dgnng DDC ytm Gvn th buldng lyout nd th numbr of pont n HVC qupmnt, th ngl grtt dgn trd-off tht btwn cntrlzton nd dtrbuton of computr powr. t th fully cntrlzd xtrm ngl cntrl computr control ll functon drctly nd ll pont r wrd to t. t th othr xtrm (fully dtrbutd), mllr cntrl computr connctd t o myrd of othr mll computr, ch of whch wrd to 10 to 20 nrby pont, n th cond ntnc th cntrl mchn prd vr th whol ytm nd control th pont through th ntrmdry of th rmot procor. ch rmot procor cn control ngl HVC ytm (.g. r-hndlng unt, chllr) ndpndntly. mdn pproch to mploy modrt numbr of rmot unt ch of whch wrd to 50 t o 120 pont. lthough ll th pproch utlz th bnft of DDC, th thr lvl of cntrlzton/dtrbuton nvolv thr fctor tht mut b wghd gnt on nothr. Th frt fctor th cot of computr hrdwr. Th fully-cntrlzd pproch mploy ngl procor, whch th lt xpnv nc t combn ll th computng powr n on plc w t h on nclour nd no duplcton of functon. Th fully-dtrbutd pproch rqur th hvt cptl cot for computr hrdwr. Th cond fctor lctrcl ntllton cot. Th fully dtrbutd rrngmnt yld th lowt ntllton cot bcu ch rmot procor cn b loctd vry clo to t pont nd thu wrng run r hort. Th fully-cntrlzd rrngmnt my b qut xpnv unl ll pont r n on mchncl room. Th mdn rrngmnt (Fgur 4) my b th mot conomcl ovr-ll bcu four rmot procor cn b ud, on n pnthou, on n om othr logcl locton uch bmnt mchncl room, nd othr on vrou floor of th buldng. Th thrd fctor rlblty. Th fully-cntrlzd chm mot ntv to flur nc flur of th ngl computr cu th ntr ytm to fl. lthough th ytm cn b md to fl fly, ytm flur nconvnnt. Th fully-dtrbutd chm lt ntv nc ny componnt computr cn fl whl tll lvng ll th othr runnng, but, prvouly mntond, th cot of th computng qupmnt hght. mdn pproch for mll buldng mk good n; comprom on ll fctor tblhd by dgnng ytm contng of cntrl computr nd four rmot unt. Cot nly: DDC vru Pnumtc Control Th ntlld cot of DDC ytm h trdtonlly bn hghr thn for pnumtc y tn, pclly n mll ntllton, whr th cot of th DDC control procor prd ovr fwr pont. Th cot of pnumtc ytm tnd to r lnrly wth th numbr of pont, lrg ytm rqur mor ndpndnt locl controllr, whr wth DDC cntrl procor rqurd vn f o r ytm wth vry fw pont. Howvr, th rpdly fllng cot of computng hrdwr h rodd th htorcl prc dffrnc btwn DDC nd pnumtc ntllton. For pcfc buldng of 37,175 m2 (400,000 q. ft.), th ntlld cot of pnumtc ytm bout 75% of th cot of DDC ytm lthough th ntl cot of DDC ytm hghr thn for pnumtc ytm, t cn b rcovrd n urprngly hort tm . t rltc to um tht DDC ytm wll yld 10X% nrgy vng ovr nd bov convntonl pnumtc control, du mply to t mor ccurt nd ophtctd control, nd t o t blty to provd th buldng ownr wth nformton bout buldng prformnc nd r whr nrgy hould b bttr controlld. Ftur uch lod hd nd flxbl chdulng lon wll produc lrg nrgy vng, nd th vng wll ncr th ownr bcom mor fmlr wth th oprton of th buldng. f w um yrly mntnnc cot of $12,000 nd $10,000 for th DDC nd pnumtc ytm rpctvly, nd n nrgy ug of 322 quvlnt kWh/m2/yr. (30 kWh/q.ft./yr.) t $0.0275 pr kWh for both ytm, t wll tk 1.4 yr mor for th DDC to py f o r tlf thn t wll for th pnumtc ytm whn ud n th buldng undr condrton. ftr tht tm th DDC ytm wll v mony comprd wth th pnumtc control. nothr mpl clculton how tht for thr-yr pybck th DDC nrgy vng nd b only 5.7%, n ly ttnbl fgur. Concluon Drct dgtl control now cot compttv w t h pnumtc control for WC control n mll- to mdum-z buldng. Gvn th othr dvntg of DDC, prtculrly t blty t o ccommodt chng to control trtgy nd to provd dtld rport of buldng prformnc, DDC hould bcom th domnnt tchnology for buldng n th z rng. ddtonl dvlopmnt ndd to lowr th ct furthr. n th xmpl prntd n th ppr, ntrumntton th hght n g l cot, lrgly bcu ll pcfd ntrumntton ndutrl grd. Th dvlopmnt of commrcl-grd nor nd ctutor, prtculrly ll-lctronc typ, whch would obvt th nd f o r n ntrumnt r upply, wll contrbut grtly to th ccptnc of DDC. cond r of dvlopmnt l n dvng computr progrm for th cntrl nd rmot computr. nrgy mngr dmnd mor ophtcton nd th lbor cot for cutom dvlopmnt r, comprhnv nd flxbl oftwr pckg wll domnt th DDC/HVC mrkt.

Introduction to the German Sausage

When it comes to clichà ©s about the German way of living, just after Autobahn, punctuality, and beer, there will sooner or later be mentioned, Wurst. The Germans love of sausage is widely known, yet often misunderstood. Is it just a mean prejudice that Teutons just like to put chopped meat inside a long skin and boil, grill, fry them or–even worse–eat them raw? Prepare for a journey into the wonderful world of German Wurst. Just make things clear from the beginning of this text: It is true; Germany is the land of the Wurst. But not only one sausage is shining over the wide country inside the heart of Europe. Over 1,500 different styles of sausage are known, made and eaten in the country, and many of them have a very long tradition. Each Region Has a Specialty  Sausage Furthermore, every region has its very special type of sausage or even more than one. Especially in the south, mainly in Bavaria, you can find not only the best-known sausage-styles but also the strangest ones. Every part of the Republik has its very own Wurst. So dont you ever dare to visit Berlin without trying a Currywurst! Lets start with some basic information about this dish. First, there is a difference between sausages that are eaten in the form they are made in, such as hot dogs, and the other type, which is known as Aufschnitt in Germany. The Aufschnitt is a big, fat sausage that is cut into thin slices that are put on bread (mostly, of course, on a slice of good old German Graubrot). The so-called Wurstbrot is one of the basic dishes of Germany and is the kind of meal your mother would put in your lunchbox for school. The Aufschnitt, furthermore, is something many Germans link with their childhood memories: Every time you went to the butcher with your mother, the butcher gave you a slice of Gelbwurst (one of the mentioned 1.500 styles). Different Kinds of Sausage Most German sausages, no matter the style, contain pork. Of course, there are also some made of beef, lamb, or even deer. Vegetarian and vegan sausages are available, but thats another story. One of the most popular sausages in Germany might be the famous Bratwurst. It can not only be seen at any barbecue in the summertime but also occurs as one of the Germans most favorite street snacks (besides Dà ¶ner). Especially in the south, you can enjoy a Bratwurst in most of the city centers. It can also be widely found at football games and fairs. The most common way to eat this snack is inside a bread roll with some mustard. More Than Bratwursts Of course, there is not only that Bratwurst: There are many different regional styles. One of the best known is the Thà ¼ringer bratwurst which is rather long and spicy. The specialty of Nuremberg is the Nà ¼rnberger Bratwurst. It is just about five centimeters long and mainly comes as Drei im Weggla, which means you will get three of them inside a bread roll. What is called Frankfurter in America has many names in Germany. A Bockwurst is just a bit thicker, and a Wiener is long and thin. A Kà ¤sekrainer contains cheese and real Frankfurter beef. A delicacy of Bavaria is the Weißwurst, which must be traditionally eaten before noon. It is white and boiled and comes with Weißbier (wheat beer), sweet Bavarian mustard, and a pretzel as Weißwurstfrà ¼hstà ¼ck, a very satisfying breakfast. Unlike the well-known and tasty styles, you can also witness some very stubborn Wà ¼rste such as Blutwurst, which is just made of pigs blood and spices or Leberwurst made of liver—not to mix up with Leberkà ¤s, which doesnt contain liver or cheese but is also a very delightful dish put onto a bread roll. Leave all your prejudices behind and let the German Wurst convince you. There is a lot of sausages to try!

A Closer Look At Serial Killers - 2490 Words

A Closer Look at Serial Killers Jessica Simpson Writing in Criminal Justice: Dr. Crank Appalachian State University A Closer Look at Serial Killers What comes to mind when you hear the words â€Å"Homicide in American†? For most in society, an image of a bloody crime scene or a smoking gun comes to mind. However, there is a form of homicide that, due to its individuality, society has put it into a category of its very own; this is known as serial murder. Serial murder is the rarest form of homicide, although it has become widely popular (Haggerty Ellerbrok, 2001). From the very beginning society has been fascinated with serial killers and how their minds operate, but what is a serial murderer? There have been many definitions used†¦show more content†¦Another part of this paper will also discuss motives and look into the argument of whether serial killers are born or made. Myths about Serial Killers The phenomenon of serial killers has attracted immense attention from the public, to the media, and has even crawled its way into Hollywood. Unfortunately because of their glorified fame, many myths about serial murderers have surfaced. It is important that the facts are known instead of incorrect information that backslides the understanding of the problem itself. The following list is that of the more popular myths about serial murderers and the facts that correct these myths. 1. Everyone is at danger from a serial killer. The problem with this myth is that serial killers have a specific victim typology that they target. They do not just target victims at random, there is always some method to their madness. For example, the elderly is not normally targeted by serial murders and serial murders are known to be more prevalent in urban areas rather than in rural areas (Holmes Holmes, pg. 10). 2. The FBI is involved in a serial murder cases. This myth can be attributed to tel evision and the many shows that air showing the FBI and their specialized division, the Behavioral Analysis Unit, helping to solve serial murder cases. In truth,

The Origin of English free essay sample

The history of the English language really started with the arrival of three Germanic tribes who invaded Britain during the 5th century AD. These tribes, the Angles, the Saxons and the Jutes, crossed the North Sea from what today is Denmark and northern Germany. At that time the inhabitants of Britain spoke a Celtic language. But most of the Celtic speakers were pushed west and north by the invaders mainly into what is now Wales, Scotland and Ireland. The invading Germanic tribes spoke similar languages, which in Britain developed into what we now call Old English. Old English did not sound or look like English today. Native English speakers now would have great difficulty understanding Old English. The Angles and Saxons came from Englaland and their language was called Englisc from which the words England and English are derived. Initially,  Old English,  also known as Anglo-Frisian, was a diverse group of dialects, reflecting the varied origins of the  Anglo-Saxon kingdoms of England. We will write a custom essay sample on The Origin of English or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page English changed enormously in the Middle Ages. Written Old English of 1000 AD is similar in vocabulary and grammar to other old Germanic languages such as  Old High German  and  Old Norse, and completely unintelligible to modern speakers, while the modern language is already largely recognizable in written Middle English of 1400 AD. This was caused by two further waves of invasion: the first by speakers of the  Scandinavian branch  of the Germanic language family, who conquered and colonized parts of Britain in the 8th and 9th centuries; the second by the  French  Normans in the 11th century, who spoke  Old Norman  and ultimately developed an English variety of this called  Anglo-Norman. About 60% of the modern English vocabulary comes direct from  Old French. [1] Cohabitation with the  Scandinavians  resulted in a significant grammatical simplification and lexical enrichment of the  Anglo-Frisian  core of English. However, this had not reached southwest England by the 9th century AD, where Old English was developed into a fully-fledged literary language. This was completely disrupted by the Norman invasion in 1066. Normandy  is a region in northern France. The  Norman  conquest was a pivotal event in English history. It largely removed the native ruling class, replacing it with a foreign, French-speaking  monarchy,  aristocracy, and clerical hierarchy. By bringing England under the control of rulers originating in France, the Norman conquest linked the country more closely with continental Europe, lessened  Scandinavian influence and brought about a transformation of the  English language  and the  culture of England  in a new era often referred to as  Norman England. And when literary English rose anew in the 13th century, it was based on the speech of  London, much closer to the center of Scandinavian settlement. Technical and cultural vocabulary was largely derived from  Old French, with heavy influence from Norman French  in the courts and government. With the coming of the  Renaissance, as with most other developing European languages such as German and Dutch, latin and Ancient Greek supplanted French as the main source of new words. Thus, English developed into very much a borrowing language  with an enormously disparate  vocabulary.