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/EX3.30/Chapter3_Exampl30.sce | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 1808/CH3/EX3.30/Chapter3_Exampl30.sce (limited to '1808/CH3/EX3.30') diff --git a/1808/CH3/EX3.30/Chapter3_Exampl30.sce b/1808/CH3/EX3.30/Chapter3_Exampl30.sce new file mode 100644 index 000000000..eb1e72a8f --- /dev/null +++ b/1808/CH3/EX3.30/Chapter3_Exampl30.sce @@ -0,0 +1,27 @@ +clc +clear +//INPUT DATA +cp=1.005;//specific pressure +cv=0.718;//specific volume +R=0.287;//gas constant +p1=100;//Pressure in kPa +t1=30;//temperature in Degree C +t2=800;//temperature in Degree C +g=1.4;//constant +Rc=5;//compression ratio +Qs=900;//heat supplied in kJ/kg +nr=0.75;//regenerator efficiency in percentage + + +//CALCULATIONS +Qs1=R*(t2+273)*log(Rc)+(1-nr)*cv*(t2-t1);//heat supplied in kJ/kg +m=Qs/Qs1;//mass flow rate in kg/min +wn=(m/60)*R*log(Rc)*(t2-t1);//net work done in kW +ns=(wn/(Qs/60))*100;//Thermal efficiency in percentage +vs=((m)*R*(t1+273)*(1-(1/Rc)))/(p1*60);//swept volume in m^3/s +pm=wn/vs;//mean effective pressure in kN/m^2 +P=wn*1;//Power developed by the engine in kW + +//OUTPUT +printf('(i)The net work done is %3.2f kW \n (ii)Thermal efficiency is %3.2f percentage \n (iii)mean effective pressure is %3.2f kN/m^2 \n (iv)Power developed by the engine is %3.2f kW ',wn,ns,pm,P) + -- cgit