# Energy of an axisymmetric fluid jet

1. Jan 17, 2012

### neyganesh

Can someone give me an go ahead of how I can calculate the energy associated with an axis symmetric jet? I have included the schematic of the flow as an attachment.

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2. Jan 17, 2012

### Andy Resnick

I'm not sure that's a well-posed problem. At least, I can calculate the (steady state) flow velocity, mass flow rate, and (say) the reaction force on a nozzle, but I don't see how to turn any of those into *the* energy- power, maybe.

3. Jan 18, 2012

### neyganesh

I suppose you could look at $\Delta KE$ at a given x-location in the jet to get an estimate of how much has been lost to the surroundings, but this certainly isn't perfect.