-²lZ˜ ã @s‰dZddlZddljZdZdddd„Zdddd d d „Zej d d dddƒ\Z Z dd„e DƒZ dd„e DƒZ dZdZejdeefƒeje e ddddddddƒeje e ddddddddƒeje e dd dd!ddd"d#dd$ƒejd%d&d'ƒejd(d&d'ƒejd)d*ƒejd+ƒejƒdS),a¨ @author: Ole Havik Bjoerkedal @copyright: Ole Havik Bjoerkedal @contact: ole.h.bjorkedal@ntnu.no @organization: Department of Chemical Engineering, NTNU, Norway @since: 2018-01-19 @purpose: Calculating and visualizing equations of state for gases Ideal Gas and van der Waal Support material for Exercise 3 in TKP4120 @requires: Python 3 matplotlib éNgT㥛Ġ @g r@gð?cCs|t||}|S)zå @parameters: ------------- V = Volume [m3] T = Temperature [K], default value is 298 K (25 C) n = Amount of gas [mol], default value is 1 mol @returns: ------------- Ideal pressure [Pa] )ÚR)ÚVÚTÚnÚP©rúE/Users/vegardjervell/Documents/2semester/Prossess/py_oving/Ex3_vdw.pyÚIdealGasPressures r g.ÿ!ýöuñ?gT?̹o?cCs,||}t|||||d}|S)aA @parameters: ------------- V = Volume [m3] T = Temperature [K], default value is 298 K (25 C) n = Amount of gas [mol], default value is 1 mol a = van der Waal parameter [J m3 mol-2] b = van der Waal parameter [m3 mol-1] @returns: ------------- van der Waal pressure [Pa] é)r)rrrÚaÚbZVmrrrrÚVanDerWaalPressure!s r zpropaneData_2.txtZcommentsú#ZunpackTcCsg|]}t|ƒ‘qSr)r )Ú.0rrrrú Bs rcCsg|]}t|ƒ‘qSr)r )rrrrrrCs g4@ZfigsizeZcolorr Z linestyleú-Zlwgà?Zlabelz Ideal GasÚrzvan der Waal GasÚgÚNoneZmarkerÚxzReal Gasz Volume [m3]Zfontsizeé z Pressure [Pa]Úlocz upper rightz pressure.pdf)Ú__doc__ZnumpyZnpZmatplotlib.pyplotZpyplotZpltrr r ZloadtxtZvolumeZ realPressureZ idealPressureZ vdwPressureÚwidthZheightZfigureZsemilogxZxlabelZylabelZlegendZsavefigZshowrrrrÚ s& !((.