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[guoyinyanliner]

When using HYSYS to simulate an LNG heat exchanger, by what method is the composition ratio of the mixed refrigerant determined in order to achieve the optimal LNG heat-exchange performance?
Are there any guideline tutorials or instructional videos available on this topic?
Thank you

[Pilesar]

You want the hot side thermal curve to be as close as possible to the cold side curve for as long as possible while respecting the minimum internal temperature approach. I do not know of tutorials for this.