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 --- 1040/CH10/EX10.1/Chapter10_Ex1_Output.txt | 6 +++ 1040/CH10/EX10.1/Ex10_1.sce | 80 +++++++++++++++++++++++++++++++ 2 files changed, 86 insertions(+) create mode 100644 1040/CH10/EX10.1/Chapter10_Ex1_Output.txt create mode 100644 1040/CH10/EX10.1/Ex10_1.sce (limited to '1040/CH10/EX10.1') diff --git a/1040/CH10/EX10.1/Chapter10_Ex1_Output.txt b/1040/CH10/EX10.1/Chapter10_Ex1_Output.txt new file mode 100644 index 000000000..73778d525 --- /dev/null +++ b/1040/CH10/EX10.1/Chapter10_Ex1_Output.txt @@ -0,0 +1,6 @@ + + The Conversion expected for the given space velocities + Space Velocity (hr-1) Conversion (%) + ====================================================== + 60000 98.9 + 120000 91.9 \ No newline at end of file diff --git a/1040/CH10/EX10.1/Ex10_1.sce b/1040/CH10/EX10.1/Ex10_1.sce new file mode 100644 index 000000000..54dbd6722 --- /dev/null +++ b/1040/CH10/EX10.1/Ex10_1.sce @@ -0,0 +1,80 @@ +//Harriot P., 2003, Chemical Reactor Design (I-Edition), Marcel Dekker, Inc., USA, pp 436. +//Chapter-10 Ex10.1 Pg No. 408 +//Title:Fraction unconverted naphthalene based on model II +//=========================================================================================================== +clear +clc +//INPUT +T_ref=273;//Reference Temperature +T_feed=300+T_ref;//Temperature in (K) +SV_STP=[60000 120000];//Space velocity(Hr-1) +t_cell=0.04;//Thickness(cm) +cell_unit_area=100/(2.54^2);//No of cells per unit area(cells/cm2) +L_inch=6;// Length of monolithic converter (Inches) +Epsilon=0.68;//Porosity +myu=0.0284*(10^-2);//Viscosity of air(Poise) +rho=6.17*10^(-4);//Density of air (g/cm3) + + +//CALCULATION +d=sqrt(1/cell_unit_area)- t_cell; +Epsilon=(d^2/(d+t_cell)^2); + +//Assume the wash coating lowers d to 0.21 cm and Epsilon to 0.68: +d_new=0.21; +Epsilon_new =0.68 +a=4*Epsilon_new/d_new; +SV=SV_STP.*(T_feed/(T_ref*3600));//Refer equation 10.13 +L_cm=L_inch*2.54; +u0=SV.*(L_cm); +u=u0.*(1/Epsilon); +Nu=myu/rho;//Kinematic viscosity +D_CO_N2_1=0.192;//Diffusion coefficients for binary gas mixtures(cm2/sec) at 288K +D_CO_N2_2=D_CO_N2_1*(T_feed/288)^(1.7);////Diffusion coefficients for binary gas mixtures(cm2/sec) at 573K +Sc=Nu/D_CO_N2_2; +for i=1:2 +Re(i)=d_new*u(i)/Nu; +Re_Sc_d_by_L(i)=Re(i)*Sc*(d_new/L_cm); +Sh(i) = 3.66 *(1+0.095*Re_Sc_d_by_L(i))^(0.45);//Refer equation 10.7 +k_c(i)=Sh(i)*D_CO_N2_2/d_new; +X(i)=1-exp((-k_c(i)*a*L_cm*u0(i)^(-1)));//Refer equation10.12 +Percent_X(i)=X(i)*100; +end + +//OUTPUT +mprintf('\n The Conversion expected for the given space velocities '); +mprintf(' \n Space Velocity (hr-1)\t \t Conversion (%%)'); +mprintf('\n ======================================================'); +for i=1:2 + mprintf('\n %.0f \t \t \t \t %.1f',SV_STP(i),Percent_X(i)); +end + +//FILE OUTPUT +fid= mopen('.\Chapter10-Ex1-Output.txt','w'); +mfprintf(fid,'\n The Conversion expected for the given space velocities '); +mfprintf(fid,' \n Space Velocity (hr-1)\t \t Conversion (%%)'); +mfprintf(fid,'\n ======================================================'); +for i=1:2 + mfprintf(fid,'\n %.0f \t \t \t \t %.1f',SV_STP(i),Percent_X(i)); +end +mclose(fid); + + +//================================================END OF PROGRAM========================================================= + + + + + + + + + + + + + + + + + -- cgit