A thin-film electrical heater dissipating 2000 W/m? is sandwiched between two 25 mm thick plates whose exposed surface experience convection with a fluid for which T- = 20°C and a = 200 W/m? K. The thermophysical properties of the plates' material are p= 2500 kg/m³, c= 700 J/kg K and 2 = 5 W/m K. a) On T-x coordinates, sketch the steady-state temperature distribution for - LsxsL. Calculate the temperatures at the surfaces, x = ± Land the midpoint, x = 0. I ahel this distribution as Case 1.

A thin-film electrical heater dissipating 2000 W/m? is sandwiched between two 25 mm thick plates whose exposed surface experience convection with a fluid for which T- = 20°C and a = 200 W/m? K. The thermophysical properties of the plates' material are p= 2500 kg/m³, c= 700 J/kg K and 2 = 5 W/m K. a) On T-x coordinates, sketch the steady-state temperature distribution for - LsxsL. Calculate the temperatures at the surfaces, x = ± Land the midpoint, x = 0. I ahel this distribution as Case 1.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.36P

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