Supersonic Simulation

nizhantiw · July 5, 2017, 01:35

Dear Community, Do any one have any idea of finding out the initial gauge pressure while simulating a supersonic flow is there any formula or something from which I could find that thing out.
Please help
Advance thanks

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Abhinand · July 20, 2017, 08:41

Hello,
If you know the stagnation pressure at the inlet of your domain you can use the isentropic relations to calculate the static pressure. This is the supersonic gauge pressure in fluent provided you set the operating conditions to 0Pa

Cheers

nizhantiw · July 21, 2017, 01:51

Thanks for the reply abhinand but how can one know the stangation pressure at inlet

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Abhinand · July 21, 2017, 07:01

Please provide more details of the information of the problem you have got. Only then possible equations or ideas will come to people here

Cheers

nizhantiw · July 22, 2017, 02:16

I am simulating a sonic flow in a nozzle with air ideal gas.

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July 5, 2017, 01:35	Supersonic Simulation	#1
nizhantiw New Member NISHANT Join Date: Nov 2016 Posts: 22 Rep Power: 10	Dear Community, Do any one have any idea of finding out the initial gauge pressure while simulating a supersonic flow is there any formula or something from which I could find that thing out. Please help Advance thanks Sent from my Tab2A7-20F using CFD Online Forum mobile app

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July 20, 2017, 08:41		#2
Abhinand Member Abhinand Join Date: Jun 2016 Posts: 75 Rep Power: 10	Hello, If you know the stagnation pressure at the inlet of your domain you can use the isentropic relations to calculate the static pressure. This is the supersonic gauge pressure in fluent provided you set the operating conditions to 0Pa Cheers

July 21, 2017, 01:51		#3
nizhantiw New Member NISHANT Join Date: Nov 2016 Posts: 22 Rep Power: 10	Thanks for the reply abhinand but how can one know the stangation pressure at inlet Sent from my Tab2A7-20F using CFD Online Forum mobile app

July 21, 2017, 07:01		#4
Abhinand Member Abhinand Join Date: Jun 2016 Posts: 75 Rep Power: 10	Please provide more details of the information of the problem you have got. Only then possible equations or ideas will come to people here Cheers

July 22, 2017, 02:16		#5
nizhantiw New Member NISHANT Join Date: Nov 2016 Posts: 22 Rep Power: 10	I am simulating a sonic flow in a nozzle with air ideal gas. Sent from my Tab2A7-20F using CFD Online Forum mobile app