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

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 3751/CH2/EX2.33/Ex2_33.sce | 33 +++++++++++++++++++++++++++++++++
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+//Fluid system - By - Shiv Kumar
+//Chapter 2 - Impact of Jet
+//Example 2.33
+      clc
+     clear
+     
+//Given Data:-
+        a=0.72;          //Total cross-sectional area of Jets, m^2
+        Vr=12;         //Velocity through the Jet relative to ship, m/s
+        u=6;            //Speed of ship, m/s
+        eta_E=85/100;         //Efficiency of I.C. engine
+        eta_P=70/100;        //Efficiency of Centrifugal Pump
+        Pipe_Loss_per=8;       //Percentage of pipe losses (of the kinetic energy of Jet per sec)
+
+//Data Used:-
+        rho=1000;      //Density of water, kg/m^3
+
+//Computations:-
+        Pipe_Loss=(Pipe_Loss_per/100)*(rho*a*Vr^3/2);            //Pipe Losses, N-m/s
+        V=Vr-u;         //Absolute Velocity of the Jet, m/s
+    //(a)
+        F=rho*V*a*(V+u);            //N
+    //(b)
+        W=F*u;        //Work done by Jet per second, N-m/s
+        OE_P=rho*a*Vr^3/2+Pipe_Loss;           //Output energy of pump per sec, N-m/s
+        IP_P=OE_P/eta_P;            //Input Energy of pump per sec, N-m/s
+        OE_E=IP_P;        //Output of Engine is equal to Input to the pump
+        IE_E=OE_E/eta_E;          //Input Energy of Engine per sec, N-m/s
+        eta_o=W/IE_E*100;            //Overall Efficiency in percentage   
+
+//Results:-
+     printf("(a)Propelling Force=%.f N  \n", F)
+     printf("(b)Overall Efficiency, eta_o=%.2f percent", eta_o)      //The answer vary due to round off error
-- 
cgit