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 --- 1073/CH3/EX3.6/3_6.sce | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100755 1073/CH3/EX3.6/3_6.sce (limited to '1073/CH3/EX3.6/3_6.sce') diff --git a/1073/CH3/EX3.6/3_6.sce b/1073/CH3/EX3.6/3_6.sce new file mode 100755 index 000000000..be2317b77 --- /dev/null +++ b/1073/CH3/EX3.6/3_6.sce @@ -0,0 +1,26 @@ + +clc; +clear; +//Example 3.6 +P1=101.325 //Pressure in [kPa] +mu1=30.8*10^-6 //Kinematic viscosity in[sq m /s] +k=36.4*10^-3 //[W/(m.K)] +Npr=0.69 +u_inf=8 //Velocity in [m/s] +Cp=1.08 //kJ/(kg.K) +L=1.5 //Length of plate in [m] +W=0.3 //Width in [m] +A=L*W //Area in [sq m] +//At constant temperature: mu1/mu2=P2/P1 +P2=8 //[kPa] +mu2=mu1*P1/P2 //Kinematic viscosity at P2 in [sq m/s] +Nre_l=u_inf*L/mu2 //Reynold's no. +//Since this is less than 3*10^5 +Nnu=0.664*sqrt(Nre_l)*(Npr^(1.0/3.0)) +h=Nnu*k/L // Heat transfer coeffficient in [W/sq m.K] +h=2.5 //Approximation in [W/sq m.K] +T_inf=523 //[K] +Tw=353 //[K] +Q=2*h*A*(T_inf-Tw) //Heat removed from both sides in [W] +printf("Rate of heat removed from both sides of plate is %f W",Q); + -- cgit