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Thread: Cooling load Calculation
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01-10-2011, 05:42 AM #1
Cooling load Calculation
Hi - im a last year student in bach. of engineering electrical. Currently im doing a thesis on power saving design & analysis.
Air-conditioner contribute almost 50-60% power consumption, so i read some books on air conditioning, like book from C P ARORA.
But i cant understand most of it, since i dont have basic in thermodynamics.
I did some googling, i found some website to calculate cooling load. Like:
http://www.consumerreports.org/cro/a...ing-worksheet/
but i need formula to put in my thesis.
So here i am - reading threads on cooling load. I need help on formula for cooling load that take count of:
1) Solar radiation,
2) Type of roof & building material
3) Metabolism rate of occupants
4) Window & door opening leakage
5) Misc leakage like hole in room & etc.
Thx for reading my thread. My email is faridfauzi2009@gmail.com
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01-10-2011, 02:27 PM #2
Re: Cooling load Calculation
Hello Farid,
before begin calculations take a look at this site were u can find several Guides which contains recommendations to design a low-energy-use building and to significantly reduce energy consumptions in small to medium office buildings. This Guide aims to build energy-efficient buildings with 30- 50% energy savings. http://j.mp/AshraeEneDesGui
If you're looking for real energy savings in HVAC buildings, it demand more than simple formulas; it's required expert analysis and software tools to simplify an engineering procedure a "little" complex.
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01-10-2011, 03:07 PM #3
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01-10-2011, 03:11 PM #4
Re: Cooling load Calculation
farid is only on here to do his homework-maybe a library will help him.
also lighting contributes to a high power consumption, natural lighting helps but thus affects solar heat gain-can he not copy someone elses homework??
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01-10-2011, 03:14 PM #5
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01-10-2011, 03:17 PM #6
Re: Cooling load Calculation
If the World did not Suck, We would all fall off !
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01-10-2011, 03:32 PM #7
Re: Cooling load Calculation
1. Geographical location Select the city nearest to your location with a similar climate (continental US only). AL, BirminghamAL, EnterpriseAL, HuntsvilleAL, MontgomeryAR, BlythevilleAR, Fort SmithAR, Little RockAZ, FlagstaffAZ, Huachuca CityAZ, PhoenixAZ, TucsonAZ, WinslowAZ, YumaCA, AlamedaCA, BishopCA, EdwardsCA, FairfieldCA, Los AngelesCA, MercedCA, MontereyCA, NovatoCA, SacramentoCA, San BernardinoCA, San DiegoCA, San JoseCA, Yuba CityCO, Colorado SpringsCO, DenverCO, Grand JunctionCO, PuebloCO, TrinidadCT, HartfordDC, WashingtonDE, DoverDE, WilmingtonFL, Fort MyersFL, Ft. Walton BeachFL, JacksonvilleFL, Key WestFL, Melbourne BeachFL, Miami BeachFL, OrlandoFL, Panama CityFL, PensacolaFL, TampaGA, AlbanyGA, AtlantaGA, AugustaGA, BrunswickGA, ColumbusGA, MaconGA, SavannahGA, ValdostaIA, Des MoinesIA, Mason CityIA, Sioux CityID, BoiseID, Idaho FallsID, LewistonID, Mountain HomeID, PocatelloIL, Arlington HeightsIL, BellevilleIL, ChampaignIL, ChicagoIL, MolineIL, SpringfieldIN, ClarksvilleIN, ColumbusIN, EvansvilleIN, Ft. WayneIN, IndianapolisIN, KokomoIN, South BendIN, Terre HauteKS, Dodge CityKS, Fort RileyKS, GoodlandKS, Kansas CityKS, TopekaKS, WichitaKY, CovingtonKY, ElizabethtownKY, LouisvilleLA, AlexandriaLA, Lake CharlesLA, New OrleansLA, ShreveportMA, BostonMA, FalmouthMA, SpringfieldMD, BaltimoreMD, Lexington ParkME, BangorME, BrunswickME, CaribouME, PortlandME, Presque IsleMI, Au SableMI, Battle CreekMI, DetroitMI, LansingMI, MarquetteMI, MuskegonMI, Sault Sainte MarieMI, Traverse CityMN, DuluthMN, International FallsMN, MinneapolisMN, St. CloudMO, ColumbiaMO, Ft. Leonard WoodMO, Kansas CityMO, RollaMO, SpringfieldMO, St. LouisMS, BiloxiMS, ColumbusMS, GreenvilleMS, JacksonMS, MeridianMT, BillingsMT, Cut BankMT, GlasgowMT, Great FallsMT, HelenaMT, MissoulaNC, Cherry PointNC, Elizabeth CityNC, FayettevilleNC, GoldsboroNC, GreensboroND, BismarckND, Grand ForksND, MinotND, WillistonNE, Grand IslandNE, North PlatteNE, OmahaNE, ScottsbluffNH, ManchesterNH, PortsmouthNJ, NewarkNJ, TrentonNM, AlamogordoNM, AlbuquerqueNM, ClaytonNM, ClovisNM, FarmingtonNM, RoswellNM, Silver CityNM, ZuniNV, ElyNV, FallonNV, Las VegasNV, RenoNV, TonopahNV, WinnemuccaNY, AlbanyNY, BinghamtonNY, New YorkNY, NewburghNY, Niagara FallsNY, PlattsburgNY, RomeNY, SyracuseNY, Westhampton BeachOH, AkronOH, CincinnatiOH, DaytonOH, ToledoOK, AltusOK, ClintonOK, EnidOK, LawtonOK, Oklahoma CityOK, TulsaOR, BurnsOR, EugeneOR, Klamath FallsOR, MedfordOR, PendletonOR, PortlandPA, HarrisburgPA, PhiladelphiaPA, PittsburghPA, ScrantonPA, WilliamsportRI, ProvidenceSC, CharlestonSC, GreenvilleSC, Myrtle BeachSC, SumterSD, HuronSD, Rapid CitySD, Sioux FallsTN, BristolTN, KnoxvilleTN, MemphisTN, MurfreesboroTX, AbileneTX, AmarilloTX, AustinTX, Big SpringsTX, BrownsvilleTX, BryanTX, Corpus ChristiTX, DallasTX, Del RioTX, El PasoTX, Ft. WorthTX, HarlingenTX, HoustonTX, LaredoTX, LubbockTX, MarfaTX, MidlandTX, San AngeloTX, San AntonioTX, ShermanTX, TempleTX, VictoriaTX, WacoTX, Wichita FallsUT, Cedar CityUT, Dugway Proving GroundUT, MilfordUT, OgdenUT, WendoverVA, AlexandriaVA, BlackstoneVA, NorfolkVA, RichmondVA, RoanokeVT, BurlingtonWA, EverettWA, Moses LakeWA, SeattleWA, SpokaneWA, TacomaWI, Green BayWI, LaCrosseWI, MadisonWV, CharlestonWV, ElkinsWV, HuntingtonWY, CasperWY, CheyenneWY, LanderWY, Rock SpringsWY, Sheridan very handy if ur a yank!!
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01-10-2011, 06:48 PM #8
Re: Cooling load Calculation
Install
what is that you have posted hahahaIf the World did not Suck, We would all fall off !
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01-10-2011, 07:08 PM #9
Re: Cooling load Calculation
http://www.consumerreports.org/cro/a...ing-worksheet/
farid link-handy if u live in one of the 53 states otherwise useless
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30-11-2011, 09:45 AM #10
Re: Cooling load Calculation
Is this a good number y12an44a92? A friend of mine is working on
an HVAC unit in Savannah, Georgia, but I don’t get any hits on
that.
Thanks,
Bill
www.aactionair.net
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11-12-2011, 04:20 PM #11
Re: Cooling load Calculation
you can dowload iit lecture lesson which explains the basic formulas of heat load estimation procedures.
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11-12-2011, 04:26 PM #12
Re: Cooling load Calculation
are u going to prepare energy audit report for any building???
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15-12-2011, 12:47 PM #13
Re: Cooling load Calculation
Google CIBSE Guide 'A' Environmental Design. In this guide you'll find a calculation called "the CIBSE admittance method", this is a standard manual way of calculating cooling load in a building although it is proven to not be very accurate with the industry now exclusively using dynamic simulation modelling software like IES. There is no one equation or formula to calculate the cooling requirement as there a number of different elements that need to be quantified. The CIBSE method is long winded but if will give you the formula your looking for.
Best regards