Does vortex tube violate the second law of thermodynamics

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A company claims to be able to manufacture a vortex tube using air that reaches -250.°F cold side and +250.°F hot side (both at atmospheric pressure) with an inlet pressure of 20.0 psig and a hot side mass flow fraction of 50.0%.

Does their vortex tube violate the second law of thermodynamics? Assume constant specific heat ideal gas behavior and neglect any changes in kinetic and potential energy.

Reference no: EM131293947

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