Speed of Sound of Hydraulic fluids

[Prior]

I'm looking for a source to find the speed of sound of hydraulic fluids. I have the formula, sqr root of the Bulk modulus divided by the density, but I end up with a speed of sound of 225 ft/sec. This doesn't seem reasonableThanks,
Alex

 

[SooCS]

Doesnt seem right. Speed of sound in air is about 1000 ft/s. Expect speed of sound in liquid to be above 3000 ft/s

Accoustic Velocity = ((F22*144)/(F48*(1+(F22/F20)*(F24+F26)/(F24-F26))))^0.5


F22 = bulk modulas of fluid
F48 = Mass density of fluid
F20 = Pipe modulas of elasticity
F24 = Pipe OD
F26 = Pipe ID

 

[arto]

Didja forget "g?"

from Mark's Hdbk 8th ed pg.3-35: [for machine oil 0.907 S.G.]
E=189000#/in^2 isothermal
W =density = 0.907*62.4#/ft^3 = 56.6#/ft^3

a = 12*sqrt[Eg/W]
a= 12in/ft * sqrt [(189000#/in^2)*(32.2ft/s^2)/(56.6#/ft^3 )]
a=3935ft/sec

 

[Prior]

I recalculated and got 4347 ft/sec. I believe this to be reasonable. The error I made was in changing units of the the Bulk Modulus of the fluid. Thanks again for the help, I overlooked something minor.
Alex

 

[pennpoint]

Prior
Do you mean to say "Sonic Velocity" vs "speed of Sound" of fluids. These can mean different things.

Pennpoint