文档介绍：PresentedBy .******@-oolers NASAGSFCThermal&FluidsAnalysisWorkshop TFAWS2011 August15-19,2011NASALangleyResearchCenter NewportNews,VATFAWSShortCourseOverviewIntroductionPrinciplesofOperationSomebackgroundinsemiconductorsDesignInformationDesignConsiderationsWalk-throughExamplesRealLifeProjectsEarlyUseonSatelliteHubbleST-8LHPTFAWS–August15-19,2011*AcknowledgmentsFundamentalinformationonThermo-oolerspresentedhereinhasbeenextractedfromseveralsources,–August15-19,2011*(NASAGSFC)fortheinformationfromhispapersonthistopic,andtoDavidSteinfeldforhisgarage-builtTEC“experiment”.OverviewThethermoelectriceffectisthedirectconversionoftemperaturedifferencestoelectricvoltageandvice-,whenavoltageisappliedtoit,–August15-19,2011*WhyUseThem?Pros:pression/expansion-basedandStirlingcycle),thesedeviceshavenomovingpartsandworkinanyorientationsimple,pact,lowmass,andnoiseless,vibration--morethan100,000hoursoflifeforsteadystateoperationFunctioninenvironmentsthataretoosevere,toosensitive,,binedwithanappropriatecontrolloop,,°-,.-:forahotsidearoundroomtemperature,temperaturedifferencesofabout72°anbeachievedbysingle-stageandmu