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+//Transport Processes and Seperation Process Principles
+//Chapter 3
+//Example 3.2-2
+//Principles of Momentum Transfer and Applications
+//given data
+delP=9.32e+4;//pressure diff in N/m2
+D1=0.1541;//external diameter in m
+D0=0.0566;//internal diameter in m
+Dr=D0/D1;
+Co=0.61;
+rho=878; //oil density in kg/m3
+v0=(Co/(sqrt(1-(Dr^4))))*sqrt((2*delP)/rho);//velocity calculation in m/s
+A=(%pi/4)*D0*D0;//cross section area
+V=A*v0;//volumetric flow rate
+mprintf("the volumetric flow rate is %f m3/s",V);
+//end