Why is the outlet stream temperature modified after performing a process simulation of the heat exchanger using HYSYS and then switching to rigorous calculations?

2021-02-27View Original

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Recently, a heat transfer process simulation was carried out using HYSYS, with the inlet temperature on the tube side at 20 degrees and the outlet temperature at 40 degrees. After the calculation is completed, it switches to strict calculation; after that, click on \"Accept Results\". Then a message appears stating that \"EDR strict calculation will set the outlet logistics conditions\". As shown in the diagram, clicking \"Yes\" modifies both outlet temperatures, setting them at 69 degrees. What is the reason for this? Is it possible to prevent the software from making these changes? :handshake

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Why is the outlet stream temperature modified after performing a process simulation of the heat exchanger using HYSYS and then switching to rigorous calculations?

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