建筑环境与能源应用工程专业英语12

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1、·LessonFourAirConditioningSystemsanddevelopmenttrend ············Topics1Whatisairconditioningsystems?AnditsclassificationNewtechnologiesforfurthersystems23ConfigurationanddiscussionofCentral-stationsystem4Configurationanddiscussionofunitaryairconditioningsystems····5Textandkeywordslearni

2、ng2018/8/4Goodgoodstudy,daydayup!2 ········ ···· ···· ···· ···· ···· ···· ···· ···· ···· ········Frequentlyusedwordsandphrasesairconditioningsystem空气调节系统 humidify加湿dehumidify除湿 filter过滤过滤器central-stationsystem集中式系统 unitarysystem单元式系统mechanicalroom机房 radiant-heatsystems辐射采暖系统blower送风机 fac

3、evelocity迎面风速facearea迎风面积 mixingplenum混合箱damper闸板 directexpansion(DX)直接膨胀vibrationdamper减震器 ····acousticlining隔音层acousticboard隔音板 grilles格栅register送风口 thefan-coilunitsystem风机盘管系统 high-velocityconduitunitsystem高速送风系统2018/8/4Goodgoodstudy,daydayup!3 ············Topicone:Whatisairconditioni

4、ngsystemsAnairconditioningsystemisanassemblyof variouscomponentswhichoperateinacontrolled mannertoproduceaspecifiedconditionoftheair withinaspaceorbuilding.Toprovidecompleteair ····conditioningasystemmustaccomplishallthe following:heat,humidify,cool,dehumidify,ventilate, filter,andcircul

5、ate.2018/8/4Goodgoodstudy,daydayup!4 ········ ········Topicone:Classificationofairconditioning systemsAcentral-stationsystemisoneCentral-stationinwhichthecomponentsofthesystemareallgroupedtogetherConfigulationinonecentralmechanicalroomandtheconditionedairissentfromtheretothespacestobe···

6、·Unitarysystemconditionedthroughextensiveductwork.CoolsupplyTheseareusuallyinstalledinorFunctionalimmediatelyadjacenttoazoneorspacetobeconditioned.Heatsupply2018/8/4Goodgoodstudy,daydayup!5 ········ ···· ···· ···· ···· ···· ········TopicThree:ConfigurationandtypicalvariantsofCentral-stat

7、ionsystem-TypicalvariantsfordesignCapacity>25coolton;>10000cfm;>40000cfmor>100colltonPlant80000?Filter&mixboxMixingplenums/filterVerticalinstallationReuse····2018/8/4Goodgoodstudy,daydayup!6 ········ ···· ···· ···· ···· ···· ···· ···· ········TopicThree:Configurationandty