A flat, circular silicon wafer is uniformly heated by a flat, circular surface located above it. The wafer's back side is perfectly insulated, and the heating occurs in vacuum. The power supplied to the hemispherical surface is 10 kW. Assume that all surfaces are gray, diffuse, and opaque, and that steady state exists. The view factor between the heater and the wafer, F13-0.1716. a) Draw the radiation network for this configuration. b) Determine F12- c) Determine the temperature of the heater surface. d) Determine the temperature of the wafer.

A flat, circular silicon wafer is uniformly heated by a flat, circular surface located above it. The wafer's back side is perfectly insulated, and the heating occurs in vacuum. The power supplied to the hemispherical surface is 10 kW. Assume that all surfaces are gray, diffuse, and opaque, and that steady state exists. The view factor between the heater and the wafer, F13-0.1716. a) Draw the radiation network for this configuration. b) Determine F12- c) Determine the temperature of the heater surface. d) Determine the temperature of the wafer.

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.

Chapter11: Heat Transfer By Radiation

Section: Chapter Questions

Problem 11.55P

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