A long heat-treating furnace has a rectangular cross section 3 m in height and 4 m in width. The surface of the roof is at 1000°C, the side walls are at 800°C, the floor is at 400°C, and all the surfaces have an emissivity of 0.8. Calculate the radiant heat transfer to the floor of the furnace per meter of length.
A long heat-treating furnace has a rectangular cross section 3 m in height and 4 m in width. The surface of the roof is at 1000°C, the side walls are at 800°C, the floor is at 400°C, and all the surfaces have an emissivity of 0.8. Calculate the radiant heat transfer to the floor of the furnace per meter of length.
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.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.32P: A long wire 0.7 mm in diameter with an emissivity of 0.9 is placed in a large quiescent air space at...
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