A sphere of 74 mm diameter is moving through the air at a velocity of 0.035 m/s. The surface temperature of the sphere is uniform at 40◦C and the air temperature is 20◦C. What is the average convection coefficient between the sphere and air

A sphere of 74 mm diameter is moving through the air at a velocity of 0.035 m/s. The surface temperature of the sphere is uniform at 40◦C and the air temperature is 20◦C. What is the average convection coefficient between the sphere and air

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 1.18P: The heat transfer coefficient for a gas flowing over a thin float plate 3-m long and 0.3-m wide...

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Question

A sphere of 74 mm diameter is moving through the air at a velocity of 0.035 m/s. The surface temperature
of the sphere is uniform at 40◦C and the air temperature is 20◦C. What is the average convection coefficient
between the sphere and air

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