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November 22, 2018, 03:11 |
hydrogen injection
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#1 |
Member
liyong
Join Date: Feb 2017
Posts: 66
Rep Power: 9 |
when I simulate the hydrogen injection, I found the mass flow rate and velocity of hydrogen are very low in injection duration(-128 ~ -118). the attachment is boundary and initial condition and geometry of injector. anyone can tell me what wrong is?
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November 22, 2018, 03:35 |
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#2 |
New Member
Kapil
Join Date: Apr 2018
Location: India
Posts: 16
Rep Power: 8 |
Your injection_volume REGION pressure is at 1 atm. It should be the injection pressure. Can you verify with that?
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November 22, 2018, 03:41 |
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#3 |
Member
liyong
Join Date: Feb 2017
Posts: 66
Rep Power: 9 |
that is initial condition, I think it should be 1atm because the injection has not started at begining. besides, I have tried to set it to be injection pressure, but it dosn't work
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November 26, 2018, 15:53 |
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#4 |
Senior Member
Sameera Wijeyakulasuriya
Join Date: Jan 2016
Location: Convergent Science, Madison WI
Posts: 117
Rep Power: 10 |
Can you confirm that the two regions are OPEN to each other via events?
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November 27, 2018, 02:13 |
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#5 |
Member
liyong
Join Date: Feb 2017
Posts: 66
Rep Power: 9 |
the problem has been solved, Thank you very much
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January 3, 2019, 07:56 |
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#6 |
Member
mohsin
Join Date: Dec 2018
Posts: 52
Rep Power: 7 |
Can you please tell me how did you flagged boundaries to injector and how did u put nozzles on it?
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Tags |
hydrogen injection |
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