简介:ThispaperdealswithanexperimentalinvestigationofpinfinboilingofsaturatedandsubcooledHFE-7100underatmosphericpressure.Finbasetemperatureandheatfluxdataaremeasuredalongwiththefintiptemperature.ThebasicfeaturesofboilingstabilityofHFE-7100boilingonpinfinhadbeenreportedforthefirsttime.Foragivenliquid/heatingsurfacecombinationthereexistuppersteady-state(USS)branchandlowersteady-state(LSS)branch,andalarge,unstableregimelocatedinbetween.Zoneswithdifferentstabilitycharacteristicsaremappedaccordingtoboilingonfinswithdifferentaspectratios.Liquidsubcoolingcanlargelyenhanceheattransferperformance.Alongerfincanprovideasaferoperation.
简介:AstudyofcompatibilitybetweenSUVsandsedan-typevehiclesbasedonstatisticaldataoftrafficaccidents;Activerollcontroltoincreasehandlingandcomfort;AerodynamicsoftheNew5SeriesModel;Aluminumvehiclesideimpactdesign,testandCAE;ApplicationofanintegratedCAD/CAE/CAMsystemfordiecastingdies;……