土壤源热泵埋地换热器的简便计算

:(2003209),(,061001):,,Foxpro:;;;Foxpro:TK172;TB24:A:1004-7948(2005)05-0022-031,:,;1,:,,,;,,,,,,1,,2,a,,112310m,,,,b,10100mU,:,()c,ab,,,,232(),(),,,:;,;,;,,22ENERGYCONSERVATION20055(274)©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,:q1=k1t=t1d1+121lnd2lnd1+122lnd3lnd2(1)q1,W;k1;d1,d2,d3,m;;1,2;t,3,,,,:(1),1:002:00,;,,1115m(2),3,7,,,,,,1525m(3)3,,(2):T(,z)=Tm+Ase-z2acos-z2a(2),h;z,m;T(,z)z,;Tm,;As,;,01000717h-1;T,T=8760h;a,m2/h30m,1,,(z/30),:T(,z)=T(,z)+z30(3)4,,,VisulaFoxpro610,,,(4),5511,530m2,370,-8,120;3412,100512,,3220055(274)ENERGYCONSERVATION©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.200479;20041112GB108704VisnlaFoxpro610513;(1)COP2004817-200481911t-1/P-1/MPat-2/P-2/MPaG/m3h-1t-1-/P-1-/MPat-2-/P-2-/MPaG-/m3h-1041811713016291201581018211501102615010691915183803104181181312016291101581014201501102514010610111517380300418119131401629140158101521180110271101069181614380321,22/kW/kW/kWCOP/0418117471731012571754168310418118491591013581894181300418119481851018601424152322:48kW,,58kW,m45W,COP416(2)COP2004125-200412733t1/P1/MPat2/P2/MPaG/m3h-1t1/P1/MPat2/P2/MPaG/m3h-104112158011041501069154512016249170158101625143800041121671801104120106915451201624918015810182611380-3150411217719011041301069154511016249170158101682518380-315:(1965-),,,,(:2005-02-26)42ENERGYCONSERVATION20055(274)©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.EnergyConservation(Monthly)Sponsor:LiaoningProvincialInstituteofScienceandTechnologyInformationPublisher:EnergyConservationMagazinePublishingHouseChiefEditor:ZHANGWei2huaAddress:No.274QingnianBoulevardShenyangCityLiaoningProvinceChinaPostCode:110016ABSTRACTSMay2005No.5TotalIssueNo.274Astudyofoptimaloperationaboutmulti2periodsteampowersystemsSONGXin2dong,YINHong2chao,ZHAIYong,etal.Thepaperstudiedoptimaloperationforsteampowersystemswithmulti2period.Inthemodel,thechangesofboilerefficiency,andthenon2linearperformanceofsteamturbineworkingandthecostofchangeoverbetweenperiodsofoperationwereconsidered.Andthemodelwassolvedwithmodifiedgeneticalgorithms.Numericalresultsshowedthattheal2gorithmwasefficientandthemodelwasmoresuitabletotheengineeringfacts.Keywords:multi2period;steampowersystems;optimaloperation10ThermodynamiccycleofexhaustheatrecoveryturbineandmethanoldecompositionfueledICEcombinationZHANGGuo2Qiang,QUYan2TaoTheinternalcombustionengine(ICE)wastes25%45%heatval2ueofitsfuelasitexhausts.A5%9%increaseofthermalefficiencyisgainedwithanaddedturbinedrivenbythehigh-pressuregasfromadecomposer,wherethecompressedmethanolisdecomposedbytheheatoftheexhaustairfromtheICE.Theeffectsofmethanolpressure,de2compositiontemperature,backpressureofturbine,compressionratioandair-fuelratioofICEarestudied.Thispaperprovidesthebasisofad2justmentandoptimizationofthecombinedcycleproposed.Keywords:engine;exhaustheat;methanol;decomposition;com2binedcycle14Etperimentalstudyonsmallsizedair2cooledheatpumpatdifferentconditionsLITing2yong,WANGWen2bin,YUXiao2ming,etal.Wehaveconductedcomprehensiveanalysisofperformanceofair2cooledheatpumpatdifferentconditionsbyexperimentaltestusingR22asrefrigerant.Weputforwardseveralmethodsofimprovingtheperfor2manceofsystemandobtainthefunctionsofcapacityandperformanceaswellasrelatedperformancecurve,thisworkhasanimportantsignifi2cancetothedesigning,matchingandchoosingtypeofunits.Keywords:air2cooledheatpump;performanceofconditions;ex2perimentalresearch17ThecomputingcharacteristicsofprimaryreturnairsystemforsupermarketWANGChun2hua,WANGGuo2hengThepaperanalysesthecharacteristicsofairconditioningloadofsu2permarketinsummer.Statestheviewsonselectingprimaryreturnairwithoutreheatingequipmentaccordingtothetemperatureandhumidi2ty.Onthebaseofthat,italsoanalysesthecomputingcharacteristicsofthissystem.Andoffersthereferenceofsavingenergy.Keywords:airconditioning;supermarket;primaryreturnairsys2tem20ThecalculationofsoilandburiedgroundheatexchangeringroundsourceheatpumpsystemGAOGui2zhi,WANGGui2juanGroundsourceheatpumpisair2conditioningtechniquewithenergysaving&envionmentprotectingusingearthenergy,andisdevelopedrapidlythesedays.Introducesheattransfermodelofsoilandburiedgroundheatexchanger,andthecalculationmethodsofusingFoxpro.Keywords:groundsourceheatpump;buriedheatexchange;cal2culation;Foxpro22ThenewtechnologyanduseofthereverseosmosisforthehighpressurebrainwaterenergyrecoveryYANGShou2zhi,LIShu2juan,WEIShuang2fengItisthegoalofthisarticletodiscussthepowerconsumptionofthereverseosmosisprocess.Thisarticlelooksatthehistoryofenergyrecov2ery,comparesthedifferentsystemsandobservesthat.Thisarticlede2scribestheprincipleandfeaturesofthenewpatenedenergyrecoverytechnologybytheauthorinvented.Keywords:reverseosmosis;highpressure;brainwater;energyrecovery25ThesimulatingofsolarenergyinphotovoltaicsystemtousecomputerWANGMo2hanSolarenergyinphotovoltaicsystemisamodeofelectricpowergen2erationdirectlywhichusesolarcellofelectronicdeviceofsemiconductortogeneratepowerbyabsorbingsolarradiationenergyeffectivelyandmakeittochangeelectricalenergy,itisaprincipalwayofdealingwithenergyshortagean