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采暖通风与空气调节术语标准(StandardTerminologyRelatingtoheatingventilationandairconditioning)StandardTerminologyRelatingtoheatingventilationandairconditioningChapterIGeneralProvisionsArticle1.0.1foruniformheatingventilationandairconditioningengineeringterminologyandinterpretation,toachievestandardizationofterminology,inordertopromotethedevelopmentofcommunicationtechnologyathomeandabroad,heatingventilationandairconditioningtechnology,speciallyformulatedstandards.Article1.0.2Thisstandardappliestothedesign,scientificresearch,construction,acceptance,teachingandmaintenancemanagementofheating,ventilationandairconditioningandrefrigerationengineering.1.0.3standardselectionofheating,ventilationandairconditioningworksinthecurrentterminology.Whenimplementingthisstandard,itshallcomplywiththecurrentrelevantstandardsofthestate.ThesecondchapteristheindoorandoutdoorcalculationparametersSection1generaltermsClause2.1.1calculationparameterdesignconditions
Thephysicalcharacteristicsoftheatmosphereortheprocessofchangeandtheamountofsolarradiationusedindesigncalculations.Thecommonlyusedparametersaredrybulbtemperature,wetbulbtemperature,moisturecontent,specificenthalpy,windspeedandpressure.Article2.1.2indoorandoutdoorcalculationparametersindoor,and,Outdoor-design,conditionsTheparametersofindooraircalculation,outdooraircalculationparametersandsolarirradianceparametersadoptedinthedesignandcalculationprocessaredescribedinthepaper.Article2.1.3airtemperatureairtemperatureThetemperatureindicatedbyathermometerthatisexposedtoairbutisnotsubjecttodirectradiation.Generallyreferstodrybulbtemperature.Article2.1.4drybulbtemperaturedry-bulbtemperatureThetemperatureindicatedbythedrybulbthermometer.Article2.1.5wetbulbtemperaturewet-bulbtemperatureThetemperatureindicatedbyawetbulbthermometer.Article2.1.6blackglobetemperatureglobetemperature
Globethermometerindicatestemperature.Article2.1.7dewpointtemperaturedew-pointtomperatureThetemperatureatwhichtheunsaturatedairundercertainatmosphericpressureandcertainmoisturecontentreachessaturationasitcools.Article2.1.8airhumidityairhumidityDescribetheamountofwatervaporinair,ortheamountofmoistureanddrymatter.Article2.1.9absolutehumidityabsolutehumidityThequalityofthewatervaporinaunitvolumeofmoistair.Article2.1.10relativehumidityrelativehumidityTheratioofactualwatervaporpressuretothepartialpressureofwatervaporinthesaturatedairatthesametemperature,expressedinpercentage.Article2.1.11valueannual[value]Yearlyvalue.Theaverageorextremevalueofagivenperiodofayearinagivensuccessiveyear.Article2.1.12thevalueofnormalsMulti-yearvalue.Thecumulativeaverageorextremevalueof
agivenperiodoftimeinagivencontinuousyear.Article2.1.13annualcoldestmonthinthecoldestmonthThemonthwiththelowestmonthlyaveragetemperature.Article2.1.14annualhottestmonthoverthehottestmonthThemonthwiththehighestmonthlyaveragetemperature.Article2.1.15normalcoldestmonthinthecoldestmonthThemonthlyaverageminimumtemperatureinjanuary.Thefirst2.1.16条累年最热月normalhottestmonth累年逐月平均气温最高的月份.第2.1.17条累年最冷三个月normalcoldest3-monthperiod;normalthreewintermonths累年逐年平均气温最低的三个月.第2.1.18条累年最热三个月normalhottest3-monthperiod;normalthreesummermonths累年逐月平均气温最高的三个月.第四节太阳辐射
第2.4.1条太阳常数solarconstant地球尖位于日地平均距离处时,地球大气层顶界垂直于太阳光线平面上的太阳辐射照度.第2.4.2条太阳高度角solaraltitude;sum'saltitude太阳光线与其水平投影之间的夹角,也称太阳高度.第2.4.3条太阳方位角solarazimuth;sum'sazimuth太阳光线的水平投影与正南方向的夹角thelocal地方太阳时第2.4.4条sola.以太阳正对当地子午线的时刻为中午12时所推算出的时间.第2.4.5条太阳赤纬solardeclination太阳中心和地球中心的连线与此连线的赤道平面的投影之间的夹角.第2.4.6条太阳辐射solarradiation太阳以电磁波或粒子形式向周围空间放射的能量.第2.4.6条太阳辐射solarradiation太阳以电磁波或粒子形式向周围空间放射的能量.太阳直辐射第2.4.7条directsolarradiation
在与太阳辐射方向相垂直的平面上接收到的直接来自太阳即不包括经由大气散射的那部分太阳辐射.第2.4.8条天空散射辐射skyradiation由于大气的散射作用从半球天空的各个部分到达地面的那部分太阳辐射,也称太阳散射辐射.第2.4.9条总辐射globalradiation到达水平地面上的太阳直接辐射和天空散射辐射之和.第2.4.10条太阳辐射照度solarirradiance以太阳为辐射源,在某一表面上形成的辐射照度.第2.4.11条大气透明度atmospherictransparency;thecoefficientofatmospherictransparency在给定太阳高度角情况下,大气对直接太阳辐射的透射比,也称大敢透明系数.第三章采暖第3.1.1条采暖heating;spaceheating使室内获得热量并保持一定温度,以达到适宜的生活条件或工作条件的技术,也称供暖.集中采暖第3.1.2条centralheating,concentratedheating
热源和散热设备分别设置,由热源通过管道向各个房间或各个建筑物供给热量的采暖方式.第3.1.3条全面采暖为使整个采暖房间保持一定温度要求而设置的采暖.第3.1.4条局部采暖局部加热为使室内局部区域或局部工作地点保持一定温度要求而设置的采暖。第3.1.5条连续采暖间歇加热对于全天使用的建筑物,使其室内平均温度全天均能过到设计温度的采暖方式。第3.1.6条间歇采暖间歇加热对于非全天使用的建筑物,仅在其使用时间内使室内平均温度达到设计温度,而在非使用时间内可自然降温的采暖方式。第3.1.7条值班采暖备用加热在非工作时间或中断使用的时间内,为使建筑物保持最低室温要求而设置的采暖。第3.1.8条热水采暖热水加热
以热水作热媒的采暖。第3.1.9条高温热水采暖高温高压热水采暖水加热;以温度高于100℃的热水作热媒的采暖,也称高温水采暖。第3.1.10条蒸汽采暖蒸汽加热以蒸汽作热媒的采暖。第3.1.11条高压蒸汽采暖高压蒸汽加热以工作压力高于70kpa的蒸汽作热媒的采暖。第3.1.12条低压蒸汽采暖低压蒸汽加热以工作压力低于或等于70kpa但高于当大气压力的蒸汽作热媒的采暖。第3.1.13条真空采暖真空加热工作压力低于当地大气压力的蒸汽采暖。第3.1.14条对流采暖对流加热利用对流换热或以对流换热为主的采暖方式。第3.1.15条散热器采暖散热器采暖借助于散热器向室内传热以达到室温要求的采暖方式。
第3.1.16条热风采暖暖空气加热;热空气加热利用热空气作媒质的对流采暖方式。第3.1.17条集中送风采暖局部送风空气加热在一定高度上,将热风从一处或几处以较大速度送出,使室内造成射流区和回流区的热风采暖。第五节水力计算第3.5.1条水力计算水力计算为使系统中各管段的流量符合设计要求,所进行的管径选择、阻力计算及压力平衡等一系列运算过程。第3.5.2条环路电路;环特指流体可在其中进行循环流动的闭合通路。第3.5.3条最不利环路指数电路系统中流体阻力最大的环路。第3.5.4条共同段共同段系统中各环路的共用部分。第3.5.5条非共同段非共同段系统中各环路的非共用部分。
第3.5.6条管段管段特指系统中流量不发生变化的管道段落。第3.5。管段7条管段长度长度管段实际延续的长度。第3.5.8条当量长度等效长度在系统在水力计算中,将局部阻力折算成与之相当的同一管径的摩擦阻力所对应的管段长度。第3.5.9条折算长度有效长度管段长度与当量长度之和。第3.5.10条摩擦阻力摩擦损失;摩擦阻力当流体沿管道流动时,由于流体分子间及其与管壁间的摩擦而引起的阻力。第3.5.11条比摩阻比摩抵抗单位长度管道的摩擦阻力。第3.5.12条摩擦系数摩擦系数
流体分子间及其与管壁间摩擦而产生阻力的无量纲数,也称摩擦阻力系数。第3.5.13条绝对粗糙度绝对粗糙度管道内表面不规则起伏中的峰谷平均高差。第3.5.14条相对粗糙度粗糙度因子管道的绝对粗糙度与该管道直径的比值。第3.5.15条局部阻力局部阻力当流体流经设备及管道中的三通、弯头等附件时,在边界急剧改变的区域,由于涡流和速度的重新分布而产生的阻力。第3.5.16条局部阻力系数局部阻力系数流体流经设备及管道附件所产生的局部阻力与相应动压的比值。其值为无量纲数。第3.5.17条当量局部阻力系数等值系数局部阻力在系统的水力计算中,将摩擦阻力折算成与之相当的局部阻力所对应的局部阻力系数。第3.5.18条折算局部阻力系数有效的局部阻力系数局部阻力系数与当量局部阻力系数之和。第3.5.19条阻力平衡阻力平衡
通过计算并采取相应措施,使系统各并联管路在设计流量下的阻力差额率控制在允许范围内。第3.5.20条压力损失压降流体在管道及设备中流动时,由于摩擦阻力和局部阻力而导致的压力降低。第3.5.21条水力失调水力失调系统中各并联管路的实际流量与设计流量的偏差超过允许范围。第3.5.22条极限流速极限速度在系统水力计算中所容许采用的流体最大流速。第3.5.23条经济流速经济速度在系统水力计算中,根据建设投资与运行费用钢材消耗与动力消耗等因素,经技术经济比较确定的流体流动速度。第3.5.24条系统阻力系统阻力系统最不利环路的摩擦阻力与局部阻力之和。第3.5.25条作用半径经营范围Effectiveservicerangeundercertainpressure.Article3.5.26fundingpressuresavailable,pressure
Apressurethatisusedtoovercomefluidflowresistanceinthesystem.Article3.5.27workingpressureworkingpressure;operatingpressureThepressurethatshouldbemaintainedduringnormaloperationofthesystem.Clause3.5.28staticpressurestaticpressure1.thepressureproducedbyafluidatrest.Thepressureproducedby2.fluidflowinginthedirectionperpendiculartothedirectionofmovementofthefluid.ThirdmechanicalventilationArticle4.3.1mechanicalventilationsystemsmechanical,ventilating,systemAsystemconsistingofventilatorsandventilationductsforventilation.Article4.3.2mechanicalairsupplysystemmechanical,air,supply,systemAmechanicalventilationsystemthatsendsoutdoorcleanairortreatedairintotheroom.
Article4.3.3mechanicalexhaustsystemmechanicalexhaustsystemAmechanicalventilationsystemthatcontainswasteheat,excesshumidity,orharmfulsubstancesfromthelocallocationorthewholeroom.Section4.3.4localairsupplysystemlocal,air,supply,system,local,relief,systemAventilationsystemdesignedtoachievelocalventilation.Article4.3.5localexhaustsystemlocalexhaustsystemAventilationsystemdesignedtoachievelocalventilation.Article4.3.6accidentventilationsystememergency,ventilat,on,systemMechanicalventilationsystemforemergencyventilation.Itincludesaccidentairsupplyandaccidentairsystem.Article4.3.7ventilationequipmentventilationequipment;ventilationFACILITISAgeneraltermforavarietyofequipmentrequiredforthepurposeofventilation.Suchasventilators,dustfilters,filtersandairheaters,etc..Article4.3.8blowersupplyfan
Blowerforairsupply.Rule4.3.9exhaustfanexhaustfanVentilatingfanforexhaustingair.Article4.3.10ventilatorsfanroom;fanhouseAprivateroomforthedispositionandinstallationofventilationequipment.Section4.3.11blowerroomsupplyfanroomAprivateroomforthedispositionandinstallationofventilationequipment.Article4.3.12exhaustfanroomexhaustfanroomAprivateroomforthedispositionandinstallationofexhaustequipment.Article4.3.13airinletairintakeAnorificeforcollectingoutdoorair.Rule4.3.14blindslouver;shutterAwindowtypetuyereconsistingofslopingslats.Article4.3.15insulationwindowsheat,insulating,window
Windowsashcapableofopeningandclosingwithcertainthermalinsulationproperty.Rule4.3.16[airheater]bypassvalveby-passdamperValvefordivertingair.Section4.3.17localhoodexhausthood;hoodInapartialexhaustsystem,aventilationcomponentisarrangedatthesourceofharmfulsubstancestocaptureandcontrolharmfulsubstancesinplace.Article4.3.18externalsuctionhoodcapturinghoodLocatednearthesourceofpollution,relyingonthesuctionofthehood,Acertainwindvelocityisformedatthecontrolpoint,andapartialexhausthoodforremovingharmfulsubstancesisformed.Article4.3.19acceptancehoodreceivinghoodLocatedinthevicinityofthepollutionsource,thelocalexhausthoodisusedtoacceptandeliminateharmfulsubstancesintheproductionprocess.Suchashightemperatureheatsource,umbrellacaps,grindingmachinesvacuumcleanersandsoon.Article4.3.20closedenclosuresexhaustedenclosure;enclosedhood
Alocalexhausthoodthatsealsallthehazardousmaterialsourcesinthehood.Article4.3.21partialclosedenclosurespartial,enclosureOnlythepartoftheequipmentthatreleasesharmfulsubstancesshallbepartlysealed.Article4.3.22integralenclosureintegralenclosureAnexhausthoodthatholdsmostoralloftheequipmentthatreleasesharmfulsubstances.Article4.3.23alargevolumeoflargespaceenclosureclosedclosedcover;boothInalargerrange,theentireventofharmfulsubstancesorequipmentrelatedtotheprocessofallclosedairhood.Article4.3.24exhaustcabinetlaboratoryhood;fumehoodAcabinetexhausthoodwiththreesidesforonesideoranopendoororanoperatingslidingdoor.Cap4.3.25umbrellacovercanopyhoodUmbrellashapedexhausthoodmountedabovepollutionsource.Article4.3.26sidesuctionhoodlateralhood;sidehoodExhausthooddisposedonthesideofthepollutionsource.
ThefifthchapterairconditioningSection1generaltermsArticle5.1.1airconditioningairconditioningTheparametersoftheair,humidity,cleanliness,andairflowspeedofaroomorenclosedspacetotherequiredspecifications.Article5.1.2comfortairconditioningcomfortairconditioningAirconditioningforthepurposeofmeetinghumancomfortrequirements.Article5.1.3processairconditioningindustrial,air,conditioning;process,air,conditioningInordertomeettherequirementsofairparametersintheprocessofproduction,theairconditioningsystemissetup.Article5.1.4localareaairconditioninglocal,air,conditioningAnairconditioningmodethatsatisfiesonlytheairparametersofapartoftheenclosedspace.Section5.1.5layeredairconditioningstratificatedairconditioning
Especiallytheairconditioningmodethatonlymeetstherequirementsoftheairparametersinthelowerpartofthelargespace.Article5.1.6airconditioningzoneconditionedzoneInaroomorenclosedspace,theareawheretheairparameteriskeptwithinagivenrange.Article5.1.7nonairconditioningzoneunconditionedzoneInroomsorenclosedspaces,noairconditioningareasareprovided.Article5.1.8air-conditioningroomconditionedspaceAroomthatmaintainsroomtemperature,humidity,andotherairparameterswithinagivenrange.Article5.1.9airconditioningroomair,conditioning,machine,room,air,handling,unit,roomAprivateroomfortheinstallationandoperationofairconditioningequipment.SecondsectionloadcalculationArticle5.2.1sensibleheatsensibleheatThequantityofheatthatchangesthetemperatureofasubstance
duringitsabsorptionorheatrelease.Article5.2.2latentheatlatentheatTheamountofheatabsorbedorreleasedbyasubstanceduringaphasetransitionunderacertaintemperatureandpressure.Article5.2.3fullheattotalheatSumofsensibleheatandlatentheat.Article5.2.4integratedtemperaturesol-airtemperatureInthecalculationofairconditioningroomenvelopeheat,usingahypotheticaloutdoorairtemperature,theeffectoftemperatureontheoutersurfaceoftheheatintotheenvelope,isunderthejointactionofenteringtheoutersurfaceoftheheatintheoutdoorairtemperatureandsolarradiation.Article5.2.5hourlycompositetemperaturehourly,sol-air,temperatureThetimevalueofthecombinedtemperature.Theaveragedailytemperatureofarticle5.2.6isaverage,daily,sol-air,temperatureAveragevalueofhourlycompositetemperature.Article5.2.7solarradiationheatsolarradiantheat
Theamountofheatgainedbyreceivingradiationfromthesun.Article5.2.8solarradiationheatabsorptioncoefficientabsorptance,for,solar,radiationTheratioofsurfaceabsorbedsolarradiationtotheheatofsolarradiationreceived.Article5.2.9sunshadingfactorshadingcoefficientUndergivenconditions,theratioofheatobtainedbysolarradiationthroughthewindowglasstothesolarradiationcreatedbystandardglassunderthesameconditions.Article5.2.10theroomhasheatspaceheatgainTheheatflowintoandintotheroom.Article5.2.11heatdissipationofthehumanbodyheatgainfromoccupantRoomheatgainfromheatdissipation.Article5.2.12equipmentheatdissipationheat,gain,from,appliance,and,equipmentRoomheatgainfromequipmentandequipmentheatdissipation.Article5.2.13lightingheatdissipationheatgainfromlighting
Roomheatgainfromlampheatdissipation.Article5.2.14thermalstorageheatstorage;thermalstorageeffectBecauseofthecertainheatcapacityofobjectssuchasthestructureofenclosureandfurniture,theroomproducestheaccumulationandreleaseofheat.Becauseofthecertainheatcapacityofobjectssuchasthestructureofenclosureandfurniture,theroomproducestheaccumulationandreleaseofheat.Article5.2.15thermalstoragecharacteristicsheat,storage,capacity;thermalsoragecharacteristicTheinherentheatreleasecapacityoftheroom.Thiscapabilitydeterminestheroomimpedance,theperformanceofthermalinterference,andthequantityconversionrelationshipbetweenheatgainandload.Article5.2.16wetmassmoisturegainThewetflowfromthewetsourceintotheroom.ThesixthchapterrefrigerationSection1generaltermsArticle6.1.1refrigerationrefrigeration
Removalofheatfromasubstanceorspacebyartificialmeansofprovidingcoldsourcesforairconditioning,refrigeration,andscientificresearch.Article6.1.2refrigerationengineeringrefrigeratingengineeringThedesign,manufacture,applicationandoperationtechnologyofchilleranditsmainequipmentandsystem.Thefirst6.1.3条制冷量制冷效果单位时间内,由制冷机蒸发器中的制冷剂所移出的热量。第6.1.4条标准制冷量标准评级评级机[制冷]P>第6.1.5条空调工况制冷量评级空调条件下在规定的空气调节工作状况下,制冷机的制冷量。第6.1.6条冷凝压力冷凝压力制冷剂蒸气冷凝时的压力。第6.1.7条冷凝温度condenoing温度制冷剂蒸气在冷凝器中冷凝时,对应于冷凝压力下的饱和温度。
第6.1.8条蒸发压力蒸发压力制冷剂液体在蒸发器内蒸发时的压力。第6.1.9条蒸发温度蒸发温度制冷剂液体在蒸发器内气化时,对应于蒸发压力五的饱和温度。第6.1.10条吸气压力吸入压力压缩机进口处吸气管内制冷剂气体的压力。第6.1.11条吸气温度吸气温度压缩机进口处吸气管内制冷剂气体的温度。第6.1.12条排气压力排放压力压缩机出口处排气管内制冷剂气体的压力。第6.1.13条排气温度排气温度压缩机出口处排气管内制冷剂气体的温度。第6.1.14条标准工况标准条件符合标准规定的制冷机运行条件。第6.1.15条空调工况空调条件
为适应空气调节要求而规定的制冷机的运行条件。第6.1.16条[制冷][]性能系数制冷性能系数(COP)在指定工况下,制冷机的制冷量与其净输入能量之比。第6.1.17条冷水冷冻水指制冷机制出的低温水或天然冷源水。第6.1.18条冷却水冷却水制冷装置的冷却用水。第6.1.19条焓焓物质所具有的一种热力学性质。定义为该物质的体积、压力的乘积与内能的总和。第6.1.20条熵熵一个热力状态函数。对于经历由状态1到状态2的可逆过程的封闭体系来说,其变化值用积分给定。其中DQ表示温度为T时,体系和环境之间可逆交换热量的基本单位。第6.1.21条火用火用能量中可能转换为最大有用功的部分。第6.1.22条火无无能
能量中不能转化为有用功的部分。第度6.1.23条压焓图压焓图以压力和焓值为坐标,表示物质状态变化的热力状态图。第6.1.24条焓熵图焓熵图以焓和熵为坐标,表示物质状态变化的热力状态图。第6.1.25条压容图压容图以压力和比容为坐标,表示物质状态变化的热力状态图。第6.1.26条制冷机房制冷站;制冷机房安装制冷机及其附属设备的房间,也称冷冻站。第二节制冷剂与制冷循环第6.2.1条工质工作物质在热力循环中工作的物质。第6.2.2条制冷剂制冷剂制冷系统中,完成制冷循环的工作物质。第6.2.3条共沸溶液制冷剂共沸混合制冷剂
两种或两种以上的制冷剂,按一定的组分相互溶解生成的混合制冷剂。在恒定的压力下,该制冷剂具有恒定不变的蒸发温度和冷凝温度,而且气相和液相具有相同的组分。第6.2.4条非共沸溶液制冷剂非共沸混合制冷剂两种或两种以上的制冷剂,按一定的组分相互溶解生成的混合制冷剂。在恒定的压力下,该制冷剂的蒸发温度和冷凝温度不能保持恒定,而且气相和液相具有相同的组分。>第6.2.5条氟利昂氟利昂用作制冷剂的饱和烃类碳氢化合物的卤族衍生物。>第6.2.6条氨氨一种分子式为NH3的无机化合物制冷剂。>第6.2.7条溴化锂溴化锂溴化锂吸收式制冷的吸收剂一种分子式为溴化锂的固态盐结晶体。>第6.2.8条冷剂水水作为制冷剂在吸收式制冷中,作为制冷剂的水。>第6.2.9条载冷剂制冷剂;制冷剂间接制冷系统中,用以吸收被制冷空间或介质的热量,并将其转移给制冷剂的一种流体,也称冷媒。>第6.2.10条浓溶液强解;强白酒类
溶质组分较高的溶液。第6.2.11条稀溶液弱解溶质组分较低的溶液。第6.2.12条snhibitor缓蚀剂腐蚀;防腐加入液体中以降低凝固点的一种添加剂。第6.2.13条防冻剂防冻剂;防冻剂加入液体中以降低凝固点的一种添加剂。第6.2.14条闪发气体闪蒸气体液态制冷剂由于突然降压而形成的部分蒸发气体。第6.2.15条不凝性气体不凝性气体;恶臭气体在冷凝温度和压力下不凝结而存在于制冷系统中的气体。第6.2.16条热力循环热力循环工质经过若干热力变化又恢复到初始状态的一系列热力过程的总合。]第6.2.17条可逆循环可逆循环
由一系列可逆过程所组成的理想热力循环。第6.2。18条卡诺循环卡诺循环包括两个等温过程和两个绝热过程,将热能最大程度地转化为机械能的一种理想的可逆循环。第6.2.19条逆卡诺循环逆卡诺循环与卡诺循环的过程相同而方向相反的循环。第6.2.20条制冷循环制冷循环制冷系统中,制冷剂所经历的一系列热力过程所组成的热力循环。第6.2.21条压缩式制冷循环压缩式制冷循环由制冷剂液体的气化、蒸气的机械压缩、蒸气的液化和液体的膨胀等四个环节组成的制冷循环。第6.2.22条压缩压缩压缩式制冷系统中,提升制冷剂压力的过程。第6.2.23条膨胀膨胀使流体压力降低、体积增大的过程。第6.2.24条节流膨胀节流膨胀
制冷剂通过任何降压元件的膨胀。过程中同外界无机械功的传递。第6.2.25条冷凝凝结气态制冷剂通过冷却变成液态的过程。第6.2.26条过冷冷液态制冷剂的温度降低到相应压力的冷凝温度以下的现象。第6.2.27条过冷度过冷度冷凝温度与过冷温度之差。第6.2.28条过热supeheat气态制冷剂的温度上升到相应压力的饱和温度以上的现象。第6.2.29条过热度热度过热温度与饱和温度之差。第6.2.30条吸收式制冷循环吸收式制冷循环以热能为动力,由制冷剂气化、蒸气被吸收液吸收、加热吸收液取出制冷剂蒸气以及制冷剂冷凝、膨胀等过程组成的制冷循环。第6.2.31条蒸气喷射式制冷循环蒸汽喷射制冷循环
利用喷射将制冷剂蒸气从蒸发器引射到冷凝器,使制冷剂完成循环的过程。第三节制冷方式与制冷系统第6.3.1条压缩式制冷压缩式制冷将电能转换成机械能,通过压缩式制冷循环达到制冷目的的制冷方式。第6.3.2条热力制冷热力制冷直接以热能为动力,通过吸收式或蒸汽喷射式制冷循环达到制冷目的的制冷方式。第6.3.3条制冷系统制冷系统以制冷为目的,由有关设备、装置、管道及附件组成的系统。第6.3.4条直接制冷系统直接制冷系统制冷系统中的蒸发器直接和被冷却介质或空间相接触进行热交换的制冷系统。第6.3.5条间接制冷系统间接制冷系统载冷剂先被制冷剂冷却,Acoolingsystemthatisthenusedtocoolthecoolingmediumorspace.Article6.3.6compressionrefrigerationsystemcompression-typerefrigeratingsystem
Refrigeratingsystemforrefrigeratingcyclebymechanicalcompressionofrefrigerantsteam.Article6.3.7thermodynamicrefrigerationsystemheat-operatedrefrigeratingsystemRefrigeratingsystemusingheatenergytocompleterefrigerationcycle.Article6.3.8pumpschilledsystem,water,with,secondary,primary,pumps,Coldwatersystemwithtwostagecirculatingwaterpump.Asinglepumppushesthecoldwaterthroughtheevaporator;thetwopumpsuppliescoldwatertotheuser.FourthrefrigerationequipmentandaccessoriesArticle6.4.1refrigeratorsrefrigeratingmachineTheoriginalmotivation,includingthecombinedrefrigerationcyclewithcompleteequipment,accessoriesandconnectingpipeetc..6.4.2compressorrefrigeratorscompression-type,refrigerating,machineRefrigeratingmachineusingmechanicalcompressionrefrigerantsteamtocompleterefrigerationcycle.