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/EX3.29/Chapter3_Exampl29.sce | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 1808/CH3/EX3.29/Chapter3_Exampl29.sce (limited to '1808/CH3/EX3.29') diff --git a/1808/CH3/EX3.29/Chapter3_Exampl29.sce b/1808/CH3/EX3.29/Chapter3_Exampl29.sce new file mode 100644 index 000000000..a89bcb8c3 --- /dev/null +++ b/1808/CH3/EX3.29/Chapter3_Exampl29.sce @@ -0,0 +1,26 @@ +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=303;//temperature in Degree C +g=1.4;//constant +t2=700;//temperature in Degree C +v1=0.05;//volume in m^3 +Rc=10;//compression ratio +nr=0.9;//regenerator efficiency in percentage +t=30 +//CALCULATIONS +m=p1*v1/(R*t1);//mass flow rate + +wn=m*R*log(Rc*(t2-t));//Net workdone in kJ +ns=(1-((t+273)/(t2+273)))*100;//Thermal efficiency with 100% refrigerator in percentage +Qs=m*cv*(t2-t)+(m*R*(273+t2)*log(Rc));//heat added in kJ +Qr=m*cv*(t2-t)+(m*R*(273+t)*log(Rc));//heat added in kJ +nso=(1-(Qr/Qs))*100;//Thermal efficiency without refrigerator in percentage +nsa=(((R*(t2-t)*log(Rc)))/((R*(273+t2)*log(Rc))+((1-nr)*cv*(t2-t))))*100;//Thermal efficiency with 90% refrigerator in percentage + +//OUTPUT +printf('(i)net workdone is %3.2f kJ \n (ii)Thermal efficiency with 100 percentage efficiency is %3.2f percentage \n (iii)Thermal efficiency without regenerator is %3.2f percentage \n (iv)Thermal efficiency with 90percentage efficiency is %3.2f percentage \n',wn,ns,nso,nsa ) -- cgit