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In some cases, 2-ø Flow&#153 changes the user-specified flow regime correlation or the pressure drop method selection. Why?

April 26, 2017cases changes correlation drop flow pressure regime user-specified

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In some cases, 2-ø Flow&#153 changes the user-specified flow regime correlation or the pressure drop method selection. Why?

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2-ø Flow&#153 does not allow a flow regime correlation or pressure drop method to be used for situations where the method is not applicable. If you inadvertently specify a flow regime correlation or pressure drop method that does not apply for a given pipe orientation, 2-ø Flow&#153 overrides the user-specified method. For example, consider the case where you specify that the Mandhane et al. flow regime map be used for a pipe that is inclined at an angle of 5 degrees upward. Since the Mandhane flow map is not applicable for pipes with this much inclination, the program overrides this selection and actually uses the Taitel and Dukler flow regime correlation for the calculations. Please examine the results reports to see the methods actually used during calculations.