PPRuNe Forums - Speed of Sound

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Faster

16th November 2001 22:55

Speed of Sound

Some time ago, someone posted a formula for figuring the local speed of sound, I believe in knots that was simple and useful.

I can't remember what it was!!

Something like 39 x square root of the temperature in Kelvin?

Could a helpful soul re-post that formula with the particulars? :confused:

GVI - SP

16th November 2001 23:42

a = 38.967854*sqrt(T+273.15)
where T is the OAT in celsius.

c.u.

Bellerophon

17th November 2001 21:15

Click on this useful site to have it worked out for you.

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