I am using the latest version of DWSIM, namely, 6.4.6. I have followed every step exactly, I think. I get the minimum reflux Rmin to be 1.0352 (and not 1.65, as mentioned in the tutorial). As the reflux used is 1.5, which is higher than Rmin, I get the minimum number of stages to be 7.6 and the actual number of stages to be 15.013.Are the above values expected, or am I making any mistake?
I am about to enter the pressure as 1 atm. Unfortunately, only bar appears as the available unit for pressure. In the units input page, I did select C5 and pressure unit as atm. It is possible, however, that this section was accepted. Is it possible to tell DWSIM now that it should use atm? In other words, is it possible now to change the units?
I am unable to find "New Steady-state simulation" option under File Menu as displayed in the tutorial. I am using DWSIM Version 6.1 Update 1.
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Outline:Defining default units for variables using System of Units Adding shortcut distillation column to the flowsheet Connecting feed, output, energy streams to the column Specifying condenser type Specifying condenser and reboiler pressure Specifying desired product composition through key values Specifying a guess value of reflux ratio Simulate a shortcut distillation column Minimum and actual number of stages Minimum reflux ratio Optimal Feed stage location
Defining default units for variables using System of Units Adding shortcut distillation column to the flowsheet Connecting feed, output, energy streams to the column Specifying condenser type Specifying condenser and reboiler pressure Specifying desired product composition through key values Specifying a guess value of reflux ratio Simulate a shortcut distillation column Minimum and actual number of stages Minimum reflux ratio Optimal Feed stage location
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