HeatChap.docReviewProblemsAir,TfTw=500KThermocoupleTth=850Ke=-,,diffuse,=-,,diffuse,,TfTw=380KThermocoupleTth=530Ke1===,theradiationheattransferfromthesensorisdeterminedfromThentheactualtemperatureofthegascanbedeterminedfromaheattransferbalancetobe Withouttheshieldthetemperatureofthegaswouldbe12-==130°F12in12inAssumptions1Steadyoperatingconditionsexist2Thesurfacesareopaque,diffuse,= Thenthetemperatureofthesurroundingsurfacesisdeterminedtobe 12-91Adouble--==20°Ce2===0°Ce1=°CAssumptions1Steadyoperatingconditionsexist2Thesurfacesareopaque,diffuse,=e2=(a)Assumingtheconductionresistancesofthewallstobenegligible,therateofheattransfertotheicedwaterinthetankisdeterminedtobe(b)Theamountofheattransferduringa24-hourperiodis es 12
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