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laminar velocity profile

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Old   July 14, 2010, 13:08
Default laminar velocity profile
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Hi
I need urgent help
I simulate a pipe with 100 micron diagonal, there is water inside pipe. the inlet velocity is 0.4 m/s, it's on laminar regime. when I plot velocity profile on output, it shows maximum velocity is 0.6 m/s. it's wrong because in laminar regime maximum velocity is 2*(Average velocity). plz help me to solve this problem

best regard
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