Chemistry, 23.11.2021 04:10 ciarra31

A-Air at a temperature of 134°C and atmospheric pressure flows with a velocity of 7 m/s over a smooth 5 m long and 1 m wide cast iron plate. Under steady-state conditions, the air-side

surface temperature of the plates is at 120°C. Under the described conditions, determine the

overall heat transfer rate through the plate.

B-If the flat plate in (A) is replaced with a cylinder with the same surface area (heat transfer

area) and the cylinder's length is the same as the width of the plate (1.0 m), what would be the

heat transfer rate for cross air flow over the outside surface of the cylinder?

C. If the flat plate in (A) is replaced with a sphere with the same surface area (heat transfer area),

what would be the heat transfer rate for cross air flow over the outside surface of the sphere?

D- Based on your results, discuss which surface configuration is more effective for heat

dissipation and why.

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A-Air at a temperature of 134°C and atmospheric pressure flows with a velocity of 7 m/s over a smo...

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