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
Question
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.
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