From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 389/CH8/EX8.9/Example8_9.sce | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100755 389/CH8/EX8.9/Example8_9.sce (limited to '389/CH8/EX8.9/Example8_9.sce') diff --git a/389/CH8/EX8.9/Example8_9.sce b/389/CH8/EX8.9/Example8_9.sce new file mode 100755 index 000000000..40345e67c --- /dev/null +++ b/389/CH8/EX8.9/Example8_9.sce @@ -0,0 +1,36 @@ +clear; +clc; + +// Illustration 8.9 +// Page: 327 + +printf('Illustration 8.9 - Page: 327\n\n'); + +// solution + +//****Data****// +// C1=CH4 C2=C2H6 C3=n-C3H8 C4=C4H10 +Abs=0.15;// [Total absorption,kmol] +T=25;// [OC] +y1=0.7;// [mol fraction] +y2=0.15;// [mol fraction] +y3=0.10;// [mol fraction] +y4=0.05;// [mol fraction] +x1=0.01;// [mol fraction] +x_involatile=0.99;// [mol fraction] +L_by_G=3.5;// [mol liquid/mol entering gas] +//******// + +LbyG_top=L_by_G/(1-y2); +LbyG_bottom=(L_by_G+y2)/1; +LbyG_av=(LbyG_top+LbyG_bottom)/2; +// The number of eqb. trays is fixed by C3 absorption: +// For C3 at 25 OC; +m=4.10; +A=LbyG_av/m; +Frabs=0.7;// [Fractional absorption] +X0=0; +// From Eqn. 8.109: +deff('[y]=f43(Np)','y=Frabs-((A^Np)-A)/((A^Np)-1)'); +Np=fsolve(2,f43); +printf("Number of trays required is %f \n",Np); \ No newline at end of file -- cgit