lambdaLoverD
Oct2-08, 01:08 PM
Hello everyone.
How do you do ! - this is my first post here.
A fluid dynamics question : do you know if the famous Joukowsky equation (\Delta P = \rho a \Delta V ) applies to gases too ?
I have found a huge number of publications which mention the Joukowsky equation in relation to water hammer, i.e. the pressure wave(s) generated by a sudden closure of a valve in a water pipe.
On the other hand a similar phenomenon occurs with gases (although the pressure wave has lower amplitude). e.g. steam hammer. But very few publications mention it 0_o.
Does it have another name ? a different mathematical description (since gases are compressible) ?
This paper seems to indicate that the equation works for liquid+gas mixtures
http://www.ipt.ntnu.no/~jsg/publikasjoner/papers2002/Houston2002PressurePulse.pdf
But how about gas only ?
Any hint is welcome
Thanks
How do you do ! - this is my first post here.
A fluid dynamics question : do you know if the famous Joukowsky equation (\Delta P = \rho a \Delta V ) applies to gases too ?
I have found a huge number of publications which mention the Joukowsky equation in relation to water hammer, i.e. the pressure wave(s) generated by a sudden closure of a valve in a water pipe.
On the other hand a similar phenomenon occurs with gases (although the pressure wave has lower amplitude). e.g. steam hammer. But very few publications mention it 0_o.
Does it have another name ? a different mathematical description (since gases are compressible) ?
This paper seems to indicate that the equation works for liquid+gas mixtures
http://www.ipt.ntnu.no/~jsg/publikasjoner/papers2002/Houston2002PressurePulse.pdf
But how about gas only ?
Any hint is welcome
Thanks