Rayl
by Walel Chrandang on 06/13/05 at 06:51:57

Hi,

What is the conversion between Rayl and rayl?
It has to do with air flow resistance OR permeability (?)

Thanks for any help
W.

Re: Rayl
by Robert Fogt on 06/13/05 at 19:29:11

I have no idea which rayl is listed in uppercase and which lower, as neither the CGS or MKS systems specify that.

The MKS system defines a rayl as 1 newton-second per cubic meter.

The CGS system defines a rayl as 1 dyne-second per cubic centimeter

A dyne is 1.0e-5 newton, and a cubic centimeter is 1.0e-6 cubic meter

1.0e-5/1.0e-6 = 10

So 1 dyne-second per cubic centimeter = 10 newton-second per cubic meter

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