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1、JamesB.Bradfordetal.“HVACEquipmentandSystems”HandbookofHeating,Ventilation,andAirConditioningEd.JanF.KreiderBocaRaton,CRCPressLLC.2001?2001byCRCPressLLC4HVACEquipmentandSystems4.1HeatingSystemsNaturalGasandFuelOil-FiredEquipment?BoilersJamesB.Bradford?ServiceHotWater?
2、ElectricResistanceHeating?ElectricHeatPumps?LowTemperatureRadiantHeatingSchillerAssociates,Inc.?SolarHeatingJohnA.Bryant4.2AirConditioningSystemsTexasA&MUniversityVaporCompressionCycle?RefrigerantsUseandSelection?ChilledWaterSystems?PackagedEquipmentEllenM.Franconi?Ev
3、aporativeCoolingSchillerAssociates,Inc.4.3VentilationandAirHandlingSystemsMoncefKrartiAnatomyofAirHandlingSystems?Coils?Fans?Ducts?TerminalUnits?Diffusers?AirHandlingSystemUniversityofColoradoControl?SecondaryAirSystemDesign?AirSystemJanF.KreiderCommissioningandOperat
4、ion?De?nitionofTermsKreider&Associates,LLC4.4ElectricalSystemsReviewofBasics?ElectricalMotors?LightingSystemsDennisL.O’Neal?ElectricalDistributionSystems?PowerQualityTexasA&MUniversity?Summary4.1HeatingSystemsJanF.KreiderThischapterdiscussesequipmentusedforproducinghe
5、atfromfossilfuels,electricity,orsolarpower.Theemphasisisondesign-orientedinformation,includingsystemcharacteristics,operatingef?ciency,thesigni?canceofpartloadcharacteristics,andcriteriaforselectingfromamongthevastarrayofheatproducingequipmentavailable.Theheatingplant
6、sdiscussedinthischapterareoftencalledtheprimarysystems.Systemsintendedtodistributeheatproducedbytheprimarysystemsarecalledsecondarysystemsandincludeductsandpipes,fansandpumps,terminaldevices,andauxiliarycomponents.Suchsecondarysystemsforheatingandcoolingaredescribedin
7、Chapter4.3.ThetermsprimaryandsecondaryareequivalenttothetermsplantandsystemusedbysomebuildinganalystsandHVACsystemmodelers.Thegoalofthischapteristohavethereaderunderstandtheoperationofvariousheatgenerationortransfersystemsandtheirperformance:?Furnaces?Boilers?Heatpump
8、s?Heatexchangers?Partloadperformanceandenergycalculationsforeach?2001byCRCPressLLCTheprimarysourcesofheatforbuildingheatings