You are using hard chromium electroplating on a sphere. Air at a temperature of 18°C (P = 1 atm) and a velocity of 18.2 m/sec flows over the sphere that was just removed from the electroplating process. The sphere has a diameter of 0.05 m, and is at a temperature of 62°C. a) Calculate the heat transfer rate (q). b) Calculate the drag force on the sphere.

You are using hard chromium electroplating on a sphere. Air at a temperature of 18°C (P = 1 atm) and a velocity of 18.2 m/sec flows over the sphere that was just removed from the electroplating process. The sphere has a diameter of 0.05 m, and is at a temperature of 62°C. a) Calculate the heat transfer rate (q). b) Calculate the drag force on the sphere.

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.

Chapter6: Forced Convection Over Exterior Surfaces

Section: Chapter Questions

Problem 6.22P

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a) Calculate the heat transfer rate (q).

b) Calculate the drag force on the sphere.

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