A highly corrosive liquid is cooled by passing it through a circular channel with a diameter of 5 cm drilled in a rectangular block of graphite (k = 800 W/mK). Ambient air is blown over the exterior of the block as shown in the sketch below. The heat-transfer coefficient for the air is 100 W/m² K, based on the total exterior surface area of the block. Calculate the rate of heat loss from the liquid per meter of channel length.

A highly corrosive liquid is cooled by passing it through a circular channel with a diameter of 5 cm drilled in a rectangular block of graphite (k = 800 W/mK). Ambient air is blown over the exterior of the block as shown in the sketch below. The heat-transfer coefficient for the air is 100 W/m² K, based on the total exterior surface area of the block. Calculate the rate of heat loss from the liquid per meter of channel length.

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 6.41P

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