In the manufacture of nitric acid, air containing 10 percent ammonia is passed through a pack of

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In the manufacture of nitric acid, air containing 10 percent ammonia is passed through a pack of fine-mesh wire screens of Pt/Rh alloy.

(a) Calculate the heat- transfer coefficient for air at 500°C flowing at a superficial velocity of 20 ft/s past wires 0.5 mm in diameter.

(b) If the surface area of the wire screen is 3.7 cm²/cm² of cross section, what is the temperature change in air, initially at 500°C, flowing through one screen if the surface of the wires is at 900°C?

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Unit Operations Of Chemical Engineering

ISBN: 9780072848236

7th Edition

Authors: Warren McCabe, Julian Smith, Peter Harriott

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Question Posted: Oct 20, 2023 02:44 AM

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In the manufacture of nitric acid, air containing 10 percent ammonia is passed through a pack of

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a Calculation of heat transfer coefficient h Reynolds number Re Re v d where density of air at 500C ...View the full answer

Unit Operations Of Chemical Engineering

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