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Pressure Drop in outlet Vent

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Old   October 28, 2008, 01:04
Default Pressure Drop in outlet Vent
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Abdul
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Dear Friends, If i use 1 for KL in the outlet vent boundary condition, which pressure i have to take for calculating the pressure drop across a duct. I given 1 in view that all the dynamic head will be lost. is this assumption right? can i take static pressure at outlet and total pressure at inlet for calculating the pressure drop?

Thanks in Advance.
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Old   October 28, 2008, 09:16
Default Re: Pressure Drop in outlet Vent
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John S.
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I think if you're assuming your duct exhausts into a farfield-like condition then a headloss of 1 would be reasonable (e.g. water through a pipe which dumps onto the ground).
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Old   October 28, 2008, 13:13
Default Re: Pressure Drop in outlet Vent
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Abdul
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Yes john i am doing a similar case. In my case i am exhausting gas into atmosphere. Can i take static pressure at outlet and Total pressure at inlet for calculating pressure drop?

Thanks in advance
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