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hi..how to get right answer about drag measurment? |
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October 25, 2013, 10:20 |
hi..how to get right answer about drag measurment?
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#1 |
New Member
saeed
Join Date: Feb 2013
Posts: 19
Rep Power: 13 |
im trying to do an exprimental work and then simulate that in CFX and too calculate the drag using formulas MYSELF next to result from CFX.which method i have to use to reach drag(for a submarine model.DARPA SUBOFF).I DONT HAVE ANY INFORMATION about the value of Cd in formula.
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October 26, 2013, 07:51 |
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#2 |
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Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,665
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The equation for Cd is described in any basic fluid mechanics textbook. Even a google search would find that one.
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October 27, 2013, 08:57 |
thanks alot but
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#3 |
New Member
saeed
Join Date: Feb 2013
Posts: 19
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what do you mean by that.we have a formula that is F=1/2*Cd*ro*A*V^2 and i dont have Cd for a submarine model and i dont have F in this formula.pls help me completely.........................best regards
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October 27, 2013, 17:36 |
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#4 |
Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,665
Rep Power: 143 |
Let me help you: http://en.wikipedia.org/wiki/Drag_coefficient
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October 28, 2013, 16:33 |
let tell my question simply..........:)
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#5 |
New Member
saeed
Join Date: Feb 2013
Posts: 19
Rep Power: 13 |
i want information about drag coefficient for a suboff model..only its my question..information that are in wikipedia about mercedes ls and sphere and etc...THNAKS
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