磁制冷发展现状及趋势-磁制冷技术

:陈远富1陈云贵1滕保华2唐永柏1付浩1唐定骧3涂铭旌1(1,2610065)(3130022)简要介绍了磁制冷实现的原理,概括了磁制冷与气体压缩制冷的差异,比较了4种磁制冷循环的优缺点及适用场合,重点评述了室温温区磁制冷样机的研究进展,分析了磁制冷的关键技术,最后给出了磁制冷的潜在市场并展望了发展趋势磁制冷磁制冷机磁制冷循环0,,:2000,,,,,,::,;:30%~60%,5%~10%,;:,,;:,,,,,,1:(),,,;,,,20012No22001120CRYOGENICSSumNo120,,28,20001024[1](1)11),TS1,TS2,,,,2),TS1,TS2,,,,3),TS2,TS1,,HS4),TS2,TS1,,2,:;,:,,[2](23R,p1=01MPa,p2/p1=10224L,GGG(Gd3Ga5Ga12),143cm3,156,,,,1[3]1()()()324[4](1K),,Carnot;(1~20)K,,,;20K582001,,,Carnot20K;Stirling,Brayton,Ericsson20K~300K24[5,6]2424,,,,,20K,:B/T,()20K,,,,,,20K,20K,,20K592:4():1),,();2),;3),;(0K)(15K,)(15~77K,)(77K,)(15K),NASAMIT,Grenoble80,(15~77K),,LosAlamos1983LosAlamosBackley[7],20K;Zimm[8,9,10]:80K,(~60K~40K)(77K,),,,,,,;1976NASALewisGVBrown[1]:,Stiring,(7T),1molGd,400cm380%20%,50,(272K)(319K)47K;Brown,09kgGd60s80K6W,,,,LosAlamosWASteyert[12],Brayton,23kgGd150mm,,12T7K,500W,,9K,701977LosAlamosSteyert[13],,3K1W,1985[14],602001Ericsson,,,:,;,,,,046K;,Kirol[15]1987NdFeB,Ericsson,,270gGd11K,,199612CarlZimm[16]3kg,(),NbTi,(),,(30%)5T500~600W(15T150W),():,;,,:,,,,;,5,::,;;Kirol[15],:20K,Ericsson;20K,,()StiringEricssonBrayton:(15K),,(),:(15K),15K20K,!,612:,,,,6,,3[7]3/K/K15~20109231240273:265275(Cl2NH3)170~250:()288~300288~300288~300300~470295~31570~370250~37070~295,:,,,,,,,,,,1,,1991,(2):332:,1994:273:,1994:576220014,!,1991,(2):135,,1991,(2):76:,1994:547BarclayJA.Wheeltypemagneticrefrigerator.1982,U.S.Patent,44084638DeGregorialAJ,etal.Testresultsofanactivemagneticregenerativerefrigerator.AdvVryEng,1992,(37B):8759ZimmCB,etal.Materialsforregenerativemagneticcoolingspaning20Kto80K.AdvCryEng,1992,(37B):88310WangAA.JohosonJW,NiemiRW,etal.Experimentalresultsofanefficientactivemagneticregeneratorrefrigerator.Proceedingsofthe8thInternationalCrycoolersConference,Plenum,NewYork,1995:66511BrownGV.Magneticheatpumpingnearroomtemperature.JApplPhys,1976(47):367312SteyertWA,BarclayJA.Stiringcyclerotatingmagneticrefrigeratorsandheatenginesforusenearroomtemperature.JApplPhys,1978,(49):1216-122613SteyertWA.Acontinuousmagneticrefrigeratoroperatingnearroomtemperature,1977,LA658114,,1989,(4):5615KirolLanceD,DacusMichaelW.Rotaryrecuperativemagneticheatpump.AdvCryEng,1987,(33):75716ZimmCB,etal.Descriptionandperformanceofanearroomtemperaturemagneticrefrigerator.AdvCryEng,1998,(43):175917GschneidnerKAJr,PecharskyVK.RareEarths:Science,TechnologyandApplications∀,editedbyBautistaRG,etal.Theminerals,metalsandmaterialssociety,1997:209DEVELOPMENTOFMAGNETICREFRIGERATIONPART:MAGNETICREFRIGERATION1ChenYuanfu1ChenYungui2TengBaohu1TangYongbo1FuHao1TuMingjing3TangDingxinang(1Dept.ofMetallicMaterialsEngineering,2Dept.ofPhysics,SichuanUniversity,Chengdu610065China)(3ChangchunInstituteofAppliedChemistry,AcademiaSinica,Changchun130022China)ABSTRACTThebasicprincipleofmagneticrefrigerationhasbeenintroduced.Thedifferencebetweenmagneticrefrigerationandgascompressingrefrigerationhasbeengivenandthefourbasiccyclesofmagneticrefrigerationhavebeensummerized.Thenthedevelopmentofmagneticrefrigerators,especiallyroomtemperaturemagnmeticrefrigeratorhasbeenreviewed.Thekeytechnologyofmagneticrefrigerationhasbeenanalyzed.Thepotentioalmarketofmagneticrefrigerationandthedevelopmenttrendhavebeenprovided.KEYWORDSmagneticrefrigeration;magneticrefrigerator;magneticrefrigerationcycle632: