Question: EXAMPLE 2 - 1 4 Heat Loss through a Steam Pipe Consider a steam pipe of length L = 2 0 m , inner radius

EXAMPLE

2 - 14

Heat Loss through a Steam Pipe

Consider a steam pipe of length

L = 20 m,

inner radius

r_{1} = 6 c m,

outer radius

r_{2} = 8 c m,

and thermal conductivity

k = 20 \frac{W}{m} * K,

as shown in Fig.

2 - 49 .

The inner and outer surfaces of the pipe are maintained at average temperatures of

T_{1} = 150 C

and

T_{2} = 60 C,

respectively. Obtain a general relation for the temperature distribution inside the pipe under steady conditions, and determine the rate of heat loss from the steam through the pipe.

EXAMPLE 2 - 1 4 Heat Loss through a Steam Pipe

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