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 --- 1808/CH3/EX3.13/Chapter3_Exampl13.sce | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 1808/CH3/EX3.13/Chapter3_Exampl13.sce (limited to '1808/CH3/EX3.13/Chapter3_Exampl13.sce') diff --git a/1808/CH3/EX3.13/Chapter3_Exampl13.sce b/1808/CH3/EX3.13/Chapter3_Exampl13.sce new file mode 100644 index 000000000..d7b43d7b2 --- /dev/null +++ b/1808/CH3/EX3.13/Chapter3_Exampl13.sce @@ -0,0 +1,27 @@ +clc +clear +//INPUT DATA +v1=0.5;//volume in m^3 +p1=1;//pressure in bar +t1=303;//temperature in K +p2=12;//pressure in bar +Qs=250;//heat is added in kJ +wc=200;//working cycles in cycles/min +v2=0.085;//volume in m^3 +m=1;//mass of air +cv=0.7243;//calorific value + +//CALCULATIONS +Rc=(p2/p1)^(1/1.4);//compression ratio +t2=t1*((Rc)^(1.4-1));//temperature in K +pc=((v2/(v1-v2))*100);//percentage clearance +t3=(Qs/(m*cv))+t2;//temperature in K +t4=((1/Rc)^(1.4-1))*t3;//temperature in K +Qr=m*cv*(t4-t1);//heat rejected in kJ/kg +no=((Qs-Qr)/Qs)*100;//thermal efficiency in percentage +pm=((Qs-Qr)/(v1-v2));//mean effective pressure +p=((Qs-Qr)*wc)/60;//power developed in kJ/s + +//OUTPUT +printf('(a)percentage clearance is %3.2f percentage \n (b)the thermal efficiency is %3.2f percentage \n (c)mean effective pressure is %3.2f \n (d)power developed is %3.2f kJ/s',pc,no,pm,p) + -- cgit