The ASPEN simulation pump transports an ethylene glycol aqueous solution; the temperature of the ethylene glycol has decreased

2017-03-30View Original

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I’m a beginner using ASPEN to simulate a 50% concentration ethylene glycol solution. The inlet conditions are -10 degrees and 170 KPA. According to the PENG-ROB calculation method, the outlet pressure should be 690 KPA, with a pump efficiency of 0.8 and a motor power of 1.0. The result obtained is that the temperature of the ethylene glycol decreases by 1.4 degrees. Is this result correct? Why does the temperature of the ethylene glycol aqueous solution drop instead of rising after passing through the pump?

Reply #22017-03-31

PR is not applicable; try NRTL

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The ASPEN simulation pump transports an ethylene glycol aqueous solution; the temperature of the ethylene glycol has decreased

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