Can anybody enlighten me please!!!!!! How much air cooling is possible through a convergence divergence nozzle. I am trying to cool compressed air from 35 Deg C to around 5 Deg C. Is this possible through a CD nozzle with an air flow of around 50 LPM and a pressure of 5 barg. I have a pressure reduction of around 0.5 barg. I realise adiabatic expansion will give me a temp reduction, but would this be enough, given my conditions. Are there more efficient ways of cooling air. I have heard of the vortex tube but I have too much back pressure for that to work. I have no power to run cooling fans or utilise heat pipes etc.
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