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aspen error

2010-02-01View Original

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WARNING WHILE GENERATING REPORT FOR UNIT OPERATIONS BLOCK: “B1” (MODEL: “RADFRAC”) – THE SPECIFIED CONDITION IS IN THE ONE PHASE REGION. It was not possible to find a reasonable temperature that would satisfy the specified enthalpy value; there may be an error in the enthalpy value. The calculations related to feed flashing did not converge; therefore, the feed profile in the report might be incorrect. What is the reason for this?
Reply #22010-02-01
It would be best to post the BKP file so that everyone can analyze it
Reply #32010-02-01
I seem to have encountered this issue a few days ago; I referred to the error messages, such as the message \"SPECIFIED CONDITION IS IN THE ONE PHASE REGION.\" In other words, the design parameters set by the user fell right on the boundary. I tried to modify the design parameters of RADFRAC, such as the reflux ratio and the amount of product extracted……

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