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April 29, 2012, 23:23
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Pressure Drop due to Friction
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#1 |
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New Member
sam
Join Date: Nov 2011
Posts: 25
Rep Power: 14  |
Hi,
Let me Explain the conditions of problem. Pipe Ø4mm, Air velocity 50m/s, Turbulent flow, Dy viscosity 1.79E-5 N.S/m2, Density of Air 1.23kg/m3.Need of finding the Pressure Drop for 0.1m length. The Calculation value is 1.076kPa,but in STAR CCM+ got value as 1.255kPa.In software i specified the B.C as Inlet-Velocity inlet 50m/s and outlet-massflow outlet -7.539E-9 kg/s and mentioned Roughness Height also for account of friction factor. In physics continuum..Constant density/Segregated flow/Steady state/K-Epsilon Turbulence. Can u tell me what i did wrong in software? Thankyou
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Regards, Sam |
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April 30, 2012, 02:48
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#2 |
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Senior Member
Join Date: Oct 2009
Location: Germany
Posts: 636
Rep Power: 21 |
Is your mesh fine enough? Try to refine it and have a look what happens.
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We do three types of jobs here: GOOD, FAST AND CHEAP You may choose any two! |
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May 2, 2012, 02:04
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Pressure drop due to friction
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#3 | |
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New Member
sam
Join Date: Nov 2011
Posts: 25
Rep Power: 14 |
Quote:
Thankyou.let me try...
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Regards, Sam |
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