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Posts Tagged ‘temperature and pressure’

Calculate a Four-Component ‘Flash’ – Problem Description

Reference: This is from E.M. Rosen and R. N. Adams, “A Review of Spreadsheet Usage in Chemical Engineering Calculations”, Computers and Chemical Engineering, Vol. 11, No. 6, pp. 723-736, but they took it from Henley and Seader, “Equilibrium Stage Separation Operations in Chemical Engineering”, Wiley, NY 1981 pg. 279. Problem Description: Rosen and Adams were […]

Fitting Polynomials and Correlation Equations to Vapor Pressure Data – Solution

Solve the problem: 1. Fit the Data to a Polynomial Below is the program output in IPython with values for the various data fits. It is a little confusing, but now you know why in the earlier post that the polynomial coefficients are ‘backwards’.   You see the polynomial defined as p = 0.0007449*x3 + 0.03945*x2 […]