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HT in SS Pipe

HT in SS Pipe

HT in SS Pipe

(OP)
Can anyone help me with the following problem. Using compressed air to cool a 20 foot long annular SS pipe. Pipe is inserted into a hot (1600 degF) air stream.
Knowns:
1. mass flow of air into pipe,
2. temp of air into pipe,
3. dimensions of pipe,
4. mass flow and temp of hot gas flowing over pipe,

Unknown:
1. exit temp of cooling air leaving probe.

Any help would be appreciated.

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