Transcription of Heat Transfer - CSUN
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Heat Transfer - CSUN
Final ReviewMay 16, 2006ME 375 heat Transfer1 Review for Final ExamReview for Final ExamLarry CarettoMechanical Engineering 375 heat TransferHeat TransferMay 16, 20072 Outline Basic equations, thermal resistance heat sources Conduction, steady and unsteady Computing convection heat Transfer Forced convection, internal and external Natural convection Radiation properties Radiative Exchange3 Final Exam Wednesday, May 23, 3 5 pm Open textbook/one-page equation sheet Problems like homework, midterm and quiz problems Cumulative with emphasis on second half of course Complete basic approach to all problems rather than finishing details of algebra or arithmeticBasic Equations Fourier law for heat conduction (1D)()()LTTkAAqQorLTTkq2121 == =&&& Convection heat Transfer )( =TThAQssconv& Radiation (from small object, 1, in)
Heat and Mass Transfer 6 Rectangular Energy Balance gen x y z p e z q y q x q t T c & && + ... ρ = + Uses Fourier Law ∂ξ ∂ ξ =− T q& k. Final Review May 16, 2006 ME 375 – Heat Transfer 2 7 ... • Infinitely long fin • Heat transfer at end (L c = A/p) mL m L x T T mL m L x T T c b c c b cosh cosh ( )
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