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/EX3.38/Chapter3_Exampl38.sce | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 1808/CH3/EX3.38/Chapter3_Exampl38.sce (limited to '1808/CH3/EX3.38/Chapter3_Exampl38.sce') diff --git a/1808/CH3/EX3.38/Chapter3_Exampl38.sce b/1808/CH3/EX3.38/Chapter3_Exampl38.sce new file mode 100644 index 000000000..1ca7bcf58 --- /dev/null +++ b/1808/CH3/EX3.38/Chapter3_Exampl38.sce @@ -0,0 +1,31 @@ +clc +clear +//INPUT DATA +cp=1.005;//specific pressure +cv=42000;//calorific value +R=0.287;//gas constant +g=1.35;//constant +t1=293;//temperature in K +t3=973;//temperature in K +nc=0.85;//compressor efficiency in percentage +Rp=5;//pressure ratio +nt=0.8;//turbine efficiency in percentage +p=1000;//power in mW + +//CALCULATIONS +t2=t1*(Rp^((g-1)/g));//Temperature in K +t4=t3/(Rp^((g-1)/g));//Temperature in K +t21=t1+((t2-t1)/nc);//Temperature in K +t41=t3-((t3-t4)*nt);//Temperature in K +wna=cp*((t3-t41)-(t2-t1));//net work done in kJ/kg +m=p/wna;//Quantity of air circulation +Qsa=cp*(t3-t21)/(nc);//Heat supplied in kJ/kg +nba=(wna/Qsa)*100;//Thermal efficiency in percentage + +//OUTPUT +printf('(i)Quantity of air circulation is %3.3f kg/s \n(ii)Heat supplied is %3.2f kJ/kg \n (iii)Thermal efficiency is %3.2f percentage',m,Qsa,nba) + + + + + -- cgit