Expander Throttling

2009-04-11View Original

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If expansion refrigeration is used, what is the lowest temperature that can be achieved at a given pressure and temperature? What about throttling? Please, everyone, help out.

Reply #22009-04-12

This depends on the pressure you set after the expander/throttle valve.

Reply #32009-04-12

First, check the efficiency of the expander; second, check the pressure difference before and after; third, check the inlet temperature! This is the basic reference for expanders! I don’t know if your expanding medium is air or something else!

Reply #42009-04-12

The medium is nitrogen-methane, with a pressure of 2.0 MPa and a temperature of -30 degrees Celsius.

Reply #52009-04-12

What is the outlet pressure of the expander, and what is its efficiency?!

Reply #62009-04-13

Output pressure 0.45, efficiency 78%

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Expander Throttling

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