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 Posted: Tue 19:06, 24 May 2011 Post subject: ed hardy mexico Water multi-level compression refr |
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| Water multi-level compression refrigeration cycle theory
ree-· stagecompressionrefrigerationcy - clewasdevek ~ pedinthelightofthecharacteristicsofwaterasrefrigerant. 1eCOP (coefficientofperformance), dischargetemlperatureandthesuctionvolumeratioofthecyclewasca1. culatedandanalyzed. _IeresuItsshowstheCOPoftherefrig. erationcycleofthewaterishigherthanthatofthehaIocar-borisrefrigerants (forexample, R22andR134a). Inthemedi-umandhightemperatureheatpumparea, thewaterasaworkingsubstanceisthemostcompetitiveduetothehigherdischargetemperatureofthesystem. * National Natural Science Foundation of China (59 Jian 60) gas engine-driven heating and air conditioning system capacity in the regulation of Yang Cheng-heng Sun Zheng Wang Weigang Zhao (Tianjin University,tory burch uk, Tianjin,christian louboutin københavn, thermal energy 3001T / 2) Summary of the introduction of cooling load coefficient Calculation of Typical Meteorological region on the basis of the load distribution on the gas engine driven compressor heating and air conditioning systems in different working conditions variable speed features, energy saving variable speed capacity control mechanism and its analysis,gorras ed hardy, the search for the outdoor temperature on the capacity of gas engine heat pump system for real-time control of compressor speed changes of the effective methods. InvestigationofcapacitycontrolofgasenginedrivedheatpumpAbstractTheseasonalcharacteristicofheatingandcoolingIoadofbuildingshaeenanalyzed. Thebehaviorsoftheca. pacitycontrolbyvaryingthespeedofgasengineandcorn-pressorofgasdrivenheatpumphavebeeninvestigated. _IeresearchresuItsshowthatwecannotonlyremoveorreducetheo11 A offlossofordinaryheatpumputcanalsoimproveitsEnergyEfficiencyRatioinpart-k) adoperatingconditionsandreducethefluctuationofroomtemperature. Natural Science Foundation of Tianjin (9938 ∞ 2l1) ternary mixture model analysis of thermal parameters R407C Bo Gu Pei Yonghua Zheng Gang (Shanghai Jiaotong University,ed hardy mexico, Shanghai Power and Energy Engineering 2OOO3O) Abstract R407C is a promising alternative to R22 The new refrigerant, Peng-Robinson equation using the new refrigerant thermodynamic properties of R407C a comprehensive calculation and experimental data according to a new migration characteristics of the working fluid formula. According to the result gives a new R407C refrigerant temperature and pressure enthalpy diagram and a entropy diagram. Correlations of high accuracy, thermodynamic parameter calculation error is less than 1%,christian louboutin shoes, migration parameters error of less than 4%. The results of this paper is a new refrigerant R407C 56 analysis and computation system provides accurate and reliable physical properties of the thermodynamic properties and thermal analysis results. Analysisonthethermodynamicpropertiesandthen ~  physicalpropertiesofR407Cmixtureworkingfluid
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