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 --- 3843/CH6/EX6.9/Ex6_9.sce | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 3843/CH6/EX6.9/Ex6_9.sce (limited to '3843/CH6/EX6.9/Ex6_9.sce') diff --git a/3843/CH6/EX6.9/Ex6_9.sce b/3843/CH6/EX6.9/Ex6_9.sce new file mode 100644 index 000000000..ed478949d --- /dev/null +++ b/3843/CH6/EX6.9/Ex6_9.sce @@ -0,0 +1,23 @@ +// Example 6_9 +clc;funcprot(0); +// Given data +m_1=4;// kg/s +m_2=0.5;// kg/s +T_1=45;// °C +T_2=250;// °C +P=600;// kPa + +// Calculation +m_3=m_2+m_1;// kg/s +// From steam tables +h_2=2957.2;// kJ/kg +h_1=188.4;// kJ/kg +h_3=((m_2*h_2)+(m_1*h_1))/m_3;// kJ/kg +// The exiting water temperature is interpolated from the saturated steam tables +h_f=496;// kJ/kg +T_3=(((496-461.3)/(503.7-461.3))*(110-100))+110;// The exiting water temperature in °C +s_3=1.508;// kJ/kg.K +s_2=7.182;// The entropy of the entering superheated steam in kJ/kg.K +s_1=0.639;// The entering entropy of the subcooled water in kJ/kg.K +S_prod=(m_3*s_3)-(m_2*s_2)-(m_1*s_1);// kW/K +printf("\nThe rate of entropy production,S_prod=%0.3f kW/K",S_prod); -- cgit