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09-11-2008, 03:28 PM #1
new to RE - want to analyze low pressure R134a cooling system
hello RE,
I'm a mechanical/thermal engineer. I have a task to evaluate a "low pressure" R134a system. The system is like that inside Liebert XDP models. There doesn't seem to be an expansion valve, the liguid gets heat and expands to a gas in the "evaporator". Where should I post questions/etc. on this?
I want to compare to using water for the same application and performance.
Thanks.
-Henry
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