You are using hard chromium electroplating on the rod of a very large hydraulic cylinder. Air at a temperature of 18°C (P = 1 atm) and a velocity of 18.2 m/sec flows in cross-flow over the circular rod that was just removed from the electroplating process. The rod has a diameter of 0.15 m, is 1.45 m long, and is at a temperature of 62°C. a) Find the heat transfer rate from the rod to the air (q). b) Calculate the drag force on the rod due to the air flow.
You are using hard chromium electroplating on the rod of a very large hydraulic cylinder. Air at a temperature of 18°C (P = 1 atm) and a velocity of 18.2 m/sec flows in cross-flow over the circular rod that was just removed from the electroplating process. The rod has a diameter of 0.15 m, is 1.45 m long, and is at a temperature of 62°C. a) Find the heat transfer rate from the rod to the air (q). b) Calculate the drag force on the rod due to the air flow.
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.
Chapter7: Forced Convection Inside Tubes And Ducts
Section: Chapter Questions
Problem 7.41P
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You are using hard chromium electroplating on the rod of a very large hydraulic cylinder. Air at a temperature of 18°C (P = 1 atm) and a velocity of 18.2 m/sec flows in cross-flow over the circular rod that was just removed from the electroplating process. The rod has a diameter of 0.15 m, is 1.45 m long, and is at a temperature of 62°C.
a) Find the heat transfer rate from the rod to the air (q).
b) Calculate the drag force on the rod due to the air flow.
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