A warning appears when changing Aspen heat exchangers from design to simulation
Thread Content
It turns out that the calculation was carried out using a shortcut, with a cold/hot temperature approach of 3K, which resulted in a heat exchange area of 0.1936 sqm. Since I wanted to optimize the proportions of various substances and needed to choose a specific type of heat exchanger, I changed the value to a heat exchange area of 0.2, with a minimum temperature approach of 3°C. After running the calculation, the following warning appeared: “WARNING: The absolute area tolerance of 0.1000E-01 is too large for the specified area of 0.2000E+00”. Please help me understand what’s going on here ? ? Is the heat exchange area too small? ? Can the ABSOLUTE AREA TOLERANCE be modified? ? ? Thank you! ! !
I urge all experts to help! ! Thank you!