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Pressurized heat exchanger

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Old   December 5, 2006, 11:06
Default Pressurized heat exchanger
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jimmy
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i'm kinda new at using pressure in fluent so here's my problem : i'm trying to model a part of a tubular heat exchanger with the followings specs :

Te pipes (63mm diameter) are fed with air at 570K, speed 30m/s and with 10 bar absolute pressure in the pipe and oriented perpendicular to the main flow in the shell

the shell is fed with air at 1220K, under atmospheric pressure and with a speed of 10m/s.

the big problem is to specify the 10 bars of pressure in the pipes since the operating pressure is set a 1atm.

Can someone help me to adjust boundaries condition to correctly set my problem in the tubes.
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