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

---
 965/CH7/EX7.20/20.sci | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 965/CH7/EX7.20/20.sci

(limited to '965/CH7/EX7.20')

diff --git a/965/CH7/EX7.20/20.sci b/965/CH7/EX7.20/20.sci
new file mode 100644
index 000000000..9a42330bb
--- /dev/null
+++ b/965/CH7/EX7.20/20.sci
@@ -0,0 +1,28 @@
+clc;
+clear all;
+disp("Heat loss calculation")
+ta=30;//degree C
+ts=90;// degree C
+U=2.8;// m/s 
+v=18.97*10^(-6);// m^2/s
+kp=25;// W/m.C
+L=1;//m
+ka=0.02894;// W/m.C
+rho=1.06;//kg/m^3
+Cp=1005;//J/kg.K
+L=1;//m 
+B=600/1000;// m
+Pr=0.696;
+delta = 25/1000;//m
+disp("i)Heat lost by the plate :")
+Re = U*L/v;// Reynold's number at trailing edge
+Nu=0.664*(Re^0.5)*(Pr^(1/3));
+h=Nu*ka/L;// W/m^2.C
+As=1*0.6;//m^2;// W
+Q=h*As*(ts-ta);
+disp("W",Q,"Heat loss by the plate is ")
+disp("ii) Bottom temperature of plate, tb :")
+tb = -1*Q*delta/(kp*As)+ts;// degree C
+disp("degree C",tb,"Bottom temperature of the plate is ")
+
+
-- 
cgit