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Catch rate(gm/in2), in DPM

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Old   June 5, 2009, 13:13
Default Catch rate(gm/in2), in DPM
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Saima is an unknown quantity at this point

I have a problem in which a heater is on leading edge of an airfoil and this airfoil is placed in Icing wind tunnel. Air is inside the tunnel at -5C. And water spray by using atomizer is also there.

I want to calculate the catch rate of droplet on the leading edge of Airfoil.
(that means how much droplet impinge on leading edge)

I know, we can determine the Concentration(Kg/m3) but i don't know how to calculate Catch rate(gm/in2).
Can anybody help me.

Thanks in Advace!!

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Old   June 26, 2009, 07:18
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Hi Saima,

I have as well the same probleme... Did you find a way to calculate the local catch efficiciency using DPM.

To calculate the catch efficiency over an airfoil I use to export the droplet trajectories to a spreadsheet and then after a bit of data post processing I obtain the local catch efficiency curve. I am looking for a more straightforward method.


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