Study on the Thermal Insulation Performance of a New Seabed Sediment Fidelity Sampler Based on ANSYS

(整期优先)网络出版时间:2009-03-13
/ 1
Anewseabedsedimentfidelitysamplerwasdevelopedanditsthermalinsulationperformancewasstudiedandanalyzed.Thetemperaturedistributionsimulationindicatedthatthesamplequalitycouldbeinsuredbyusingthisnewsampler.BasedonANSYS10,thetemperaturefiniteelementmodelofthesamplecylinderwasestablished.Accordingtothelawofconservationofenergy,theunsteadyheattransmitequationofthesamplerundersolid-liquidcouplingconditionwasderived,thenthemathematicalmodelcalculationwascarriedoutbyusingamixedfinite-elementfinite-differencemethod,andtwothermalinsulationmethodswereused.Thesimulationwascarriedoutbyusingthethicknessofthethermalinsulationlayerandheatconductivityasthevariableparametersandthetemperaturedistributionofthesamplerandrelatedinfluencingfactorswereobtained.Optimizationanalysiswasconductedusingthesimulationdataandrelatedparametersandthemagnituderangesoftheparameterswereobtainedthatcouldmeetthedesigntemperaturerequirements.Theexperimentaldataandsimulationresultsindicatedthattheresultswereingoodagreementwiththerealities,andthissamplermightbeofvalueforseabedsedimentsamplerdesignandmanufacture.