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What about steam flow to the end of a pipe

What about steam flow to the end of a pipe

What about steam flow to the end of a pipe

(OP)
Dear specialists
A steam super heater consists of two identical collectors for in and outlet. Between both headers are a number of identical series of pipes. The inlet on the inlet collector is diagonal to the outlet on the outlet collector assuring the same distance between in and out for all tubes from inlet to outlet. On low boiler loads tubes start running dry always starting with the nearest to the inlet and progressing. Why does it start with the nearest tubes and not with the bottom tubes? Steam temperature in/out 195/225°C  flue gas temperature 350° C to 400°C.
raymond

RE: What about steam flow to the end of a pipe

Check this Thread378-90783 and go to the link provided by 25362. That should answer your question.

Regards,

Eng-Tips.com : Solving your problems before you get them.

RE: What about steam flow to the end of a pipe

(OP)
Thanks Quark, I must have overlooked that one.
raymond

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