The issue with throttling
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I simulated it using Aspen. The cryogenic liquid passes through a very long thin tube, resulting in a significant drop in pressure and the generation of a large amount of vaporized gas; however, the software shows that the temperature remains unchanged, which seems incorrect. Shouldn’t very thin and long tubes have the same effect as a throttle valve?
Is it a saturated liquid? It would be best to upload a file for a check.