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
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1919/CH1/EX1.4/Ex1_4.sce | 21 +++++++++++++++++++++
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create mode 100755 1919/CH1/EX1.4/Ex1_4.sce
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diff --git a/1919/CH1/EX1.4/Ex1_4.sce b/1919/CH1/EX1.4/Ex1_4.sce
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+// Theory and Problems of Thermodynamics
+// Chapter 1
+// Basic Concepts
+// Example 4
+
+clear ;clc;
+
+//Given data
+Pf = 0.4 //Pf = pressure of the gas in MPa
+Pa = 0.1 //Pa = atmospheric pressure in MPa
+A = 10^-2 // A = cross-sectional area of piston in m^2
+Vi = 0.1 // initial volume in m^3
+Vf = 0.2 // final volume in m^3
+
+//Calculate spring force constant
+Pf = Pf * 10^6; // units conversion MPa to Pa
+Pa = Pa * 10^6; // units conversion MPa to Pa
+K = (Pf-Pa)*A^2/(Vf-Vi); //spring force constant
+
+// Results
+mprintf('Spring force constant = %3.0f N/m', K)
--
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