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

---
 3681/CH4/EX4.17/Ex4_17.sce | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 3681/CH4/EX4.17/Ex4_17.sce

(limited to '3681/CH4/EX4.17/Ex4_17.sce')

diff --git a/3681/CH4/EX4.17/Ex4_17.sce b/3681/CH4/EX4.17/Ex4_17.sce
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+++ b/3681/CH4/EX4.17/Ex4_17.sce
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+// Calculating the temperature of machine after one hour of its final steady temperature rise
+clc;
+disp('Example 4.17, Page No. = 4.24')
+// Given Data
+Ti = 40;// Initial temperature (in degree celsius)
+T_ambient = 30;// Ambient temperature (in degree celsius)
+Tm = 80;// Final steady temperature rise (in degree celsius)
+Th = 2;// Heating time constant (in hours)
+t = 1;// Since we have to calculate temperature of machine after one hour of its final steady temperture rise (in hours)
+// Calculation of the final steady temperature rise of coil surface and hot spot temperature rise
+Ti_rise = Ti-T_ambient;// Initial temperature rise (in degree celsius)
+T = Tm*(1-%e^(-t/Th))+(Ti_rise*%e^(-t/Th));// Temperature rise after one hour (in degree celsius)
+disp(T+T_ambient,'Temperature of machine after one hour (degree celsius)=');
+//in book answer is 67.54 (degree celsius).  The answers vary due to round off error
+
-- 
cgit