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How TXV controls flow?

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lucaspenalva

Mechanical
Oct 16, 2017
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If positive displacement compressor (such as scroll) has constant flow no matter the resistance in the system, how can TXV control flow?

Or it doesn't?
 
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The compressor compresses a gas, pressure just increases if you limit flow. Also compression efficiency will decrease with higher pressure.

you have constant volumetric flow through the compressor, but not constant mass flow.
 
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