From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 534/CH6/EX6.4/6_4_Convection_Coeff_Plate.sce | 37 ++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 534/CH6/EX6.4/6_4_Convection_Coeff_Plate.sce (limited to '534/CH6/EX6.4') diff --git a/534/CH6/EX6.4/6_4_Convection_Coeff_Plate.sce b/534/CH6/EX6.4/6_4_Convection_Coeff_Plate.sce new file mode 100644 index 000000000..276c4b2f0 --- /dev/null +++ b/534/CH6/EX6.4/6_4_Convection_Coeff_Plate.sce @@ -0,0 +1,37 @@ +clear; +clc; +printf('FUNDAMENTALS OF HEAT AND MASS TRANSFER \n Incropera / Dewitt / Bergman / Lavine \n EXAMPLE 6.4 Page 362 \n'); //Example 6.4 +// Convection Mass Transfer coefficient + +//Operating Conditions +v = 1; //[m/s] Velocity of water +L = 0.6; //[m] Plate length +Tw1 = 300; //[K] +Tw2 = 350; //[K] +//Coefficients [W/m^1.5 . K] +Clam1 = 395; +Cturb1 = 2330; +Clam2 = 477; +Cturb2 = 3600; + +//Water Properties at T = 300K +p1 = 997; //[kg/m^3] Density +u1 = 855*10^-6; //[N.s/m^2] Viscosity +//Water Properties at T = 350K +p2 = 974; //[kg/m^3] Density +u2 = 365*10^-6; //[N.s/m^2] Viscosity + + +Rec = 5*10^5; //Transititon Reynolds Number +xc1 = Rec*u1/(p1*v); //[m]Transition length at 300K +xc2 = Rec*u2/(p2*v); //[m]Transition length at 350K + +//Integrating eqn 6.14 +//At 300 K +h1 = [Clam1*xc1^.5/.5 + Cturb1*(L^.8-xc1^.8)/.8]/L; + +//At 350 K +h2 = [Clam2*xc2^.5/.5 + Cturb2*(L^.8-xc2^.8)/.8]/L; + +printf("\n\n Average Convection Coefficient over the entire plate for the two temperatures at 300K = %.2f W/m^2.K and at 350K = %.2f W/m^2.K", h1,h2); +//END \ No newline at end of file -- cgit