2LiYingjieExperimentalinvestigationofaThermallyDrivenHeatPumpbasedonadoubleOrganicRankineCycleandanoil-freeCompressor-TurbineUnit3

Content

1、Introduction

2、TheORC-ORCconcept

3、ORC-ORCprototypelayout

4、Compressor-turbineunitprototype

5、Measurements

6、Conclusionsandperspectives

41、IntroductionThispaperpresentstheexperimentalinvestigationofaconceptofThermallyDrivenHeatPump(TDHP),basedonthecouplingofavaporcompressionheatpumpcycleandanOrganicRankineCycle(ORC)。

ThestudiedsystemisanOrganicRankineCycle(ORC)drivenheatpump.ItconsistsofaHeatPump(HP)compressioncycleandanORCinwhichtheturbineisdirectlydrivingthecompressor.AstheHPcompressioncyclecanbeseenasareversedorganicRankinecycle,thissystemiscalledhereanORC-ORC。52、TheORC-ORCconceptThesystemstudiedinthisprojectusesasingle-stageradialinflowturbineandasingle-stagecentrifugalcompressor.Theyaredirectlycoupledthroughashaftsupportedongasbearings.AprototypeusingR134aasworkingfluidhasbeendevelopedtodemonstratethefeasibilityofthisconceptandidentifythetechnicaldifficulties(Demierreetal.,2012).673、ORC-ORCprototypelayoutTheORCcondenser(Condenser1)isaplateheatexchangerwhereastheORCevaporatoriscomposedofthreeDualTubeCoil(DTC)heatexchangers.Thedrivingheatisdeliveredtothesystembyahotthermaloil(Syltherm800)circuitwhichisdrivenbyanelectricheater.894、Compressor-turbineunitprototype

TheCompressor-TurbineUnit(CTU)hasbeendesignedbasedontheelectricallydrivenoil-freecompressorprototype(about3kW)developedbySchiffmannandFavrat(2009).Thecompressorstageandthebearingandrotordimensionswerekeptthesameexceptfortheelectricmotorthatwasreplacedwithasingle-stageradialinflowturbine.10115、Me盤as事ur占em慈en胡tsDu天ri嫩ng四t賴he司t潤es稈ts貿(mào),糖th谷e島va軌lv分es庭R5傳an付d后R6抬(s嚼ee法F遵ig筐.低4蔑)降we毛re只k腰ep兄t繩fu般ll灣y樸op桑en糠i梁n癥or昨de熟r里to另s榆im奔ul免at嶼e南a搜un奸iq趟ue茄c段on授de科ns慨er表a違nd掉t傘hu政s石to捐o蝦bt參ai均n涼th掛e凡sa稈me總c泊on繭de黃ns巖in謀g者te穴mp削er糠a-超tu薪re返a辭nd翠p驚re含ss慢ur碼e沒fo幟r葵bo撲th點t岡he痰O談RC鉗a珍nd芒t脂he唯H挑P炎cy誼cl覺e.12136、Co嗽nc術lu衡si霞on秀s弟an刻d輝pe邀rs妹pe塵ct釋iv矩esApr早ot歡ot岔yp拿e逼of牧a贊n捉OR刪Ce陪OR謝C顏he勸at痕p免um拿p濫wi桑th設a案n爪oi挑l拆fr附ee推c饞om旱pr底es必so壇r-北tu佛rb柴in缸e撓un捕it尤h突as急b姐ee笑n調(diào)de掉ve喇lo痛pe揉d釘an登d釋te膜st址ed鄰.悄Th利es翻e爽fi罩rs僻t譜te靠st樸s獲ha殘ve刊e曬na晉bl供ed捉t補o輛de黨mo呼ns后tr替at月e佩th績e養(yǎng)fe趴as嫁ib都il忽it捉y(tǒng)劉of耀t鎖he峰c礦on段ce粘pt據(jù)a未nd眠i險de遲nt內(nèi)if級y俯th如e串te淺ch描ni怒ca執(zhí)l范di搏ff漢ic觸ul進ti倘es漆.昂At拜t貝hi朋s章st川ag沉e,撲p雅ro默mi車si歸ng姨p尸er染fo嬸rm租an殘ce門s雜ha師ve幸b蘆ee很n觸ob渴ta茶in屬ed光w匙it崇h灰th照is喂f苗ir逝st泰p全ro耕to犬ty慕pe嬌.油Th角e貨ne啊xt士s必te噴p甩wi適ll始b盡e甚th遇e切te低st潔in秋g滔of怠t挺hi蜻s付pr近o-醬to羽ty驚pe堆w靠it孫h挖hi溜gh霜er秀t核ur榨bi影ne臣i快nl渣et奇t丹em勿pe批ra燦tu慢re駕a與nd尿O責RC貝e弱va賓p-省or映at貍io拐n乞pr咱es炕su嗚re孟,渡re煌du今ce類d違ti尋p找cl邊ea妙ra單nc級es去f抄or飽t盟he暗t辨ur醋bo裁ma深ch膚in粉es華a擱nd盯i亭mp辜ro霉ve眠d撤se烤al簡in桃g釀co走nc回ep合ts蛋.減Fu麗rt悲he江r久in皺v覽es較ti私ga田ti逮on拾s歷sh煉ou胳ld俊i什nc許lu族de角t沙es菜ts澤w體it餅h昌th宿e揀ne咳w補lo衣w欲GW躍P殼re坊fr恒ig瞞er婦an準t,煉R妙12拳34傭