MadSci Network: Physics

Subject: Joule-Thomson effect on water

Date: Fri May 5 15:22:41 2000
Posted by Peter Kowski
Grade level: undergrad School: University of Edinburgh
City: Edinburgh State/Province: No state entered. Country: Scotland
Area of science: Physics
ID: 957558161.Ph

Is it possible to cool water which is at normal 'pipe temperature' (c. 8-
10 degrees celsius) to close to freezing point purely by the Joule-Thomson 
effect? It would obviously have to be pressurized and passed through some 
sort of an expanding nozzle. Is there an ideal (or optimized) design for 
such a special "water Joule-Thomson" nozzle? 

Re: Joule-Thomson effect on water

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