Gas from a municipal incinerator flows in a square duct 3 m on a side at 800C

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Gas from a municipal incinerator flows in a square duct 3 m on a side at 800°C and about 1 atm. The viscosity and density are close to the values for air at 800°C. 

(a) For a gas velocity of 4.0 m/s, what is the pressure drop per unit length? 

(b) Estimate the thickness of the viscous sublayer and that of the buffer layer. 

(c) What fraction of the total flow is in each of these layers?

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Unit Operations Of Chemical Engineering

ISBN: 9780072848236

7th Edition

Authors: Warren McCabe, Julian Smith, Peter Harriott

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