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/CH1/EX1.23/Chapter1_Example23.sce | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 1808/CH1/EX1.23/Chapter1_Example23.sce (limited to '1808/CH1/EX1.23') diff --git a/1808/CH1/EX1.23/Chapter1_Example23.sce b/1808/CH1/EX1.23/Chapter1_Example23.sce new file mode 100644 index 000000000..bcb75693c --- /dev/null +++ b/1808/CH1/EX1.23/Chapter1_Example23.sce @@ -0,0 +1,23 @@ +clc +clear +//INPUT DATA +Vs=1.5*10^-3;//capacity of cylinder in m^3 +N=3000;//speed in rpm +BP=48;//break power in kW +nv=0.92;//volumetric efficiency in percentage +P=101.325;//atmospheric pressure in kPa +Ra=0.287;//gas constant +Ta=303;//atm.temperature in K +x=21;//airfuel ratio + + +//CALCULATIONS +Roa=(P/(Ra*Ta));//Density of air in kg/m^3 +ma=(nv*Roa*Vs*N/(2*60));//mass of air in kg/s +mf=ma/x;//mass of fuel in kg/s +bsfc=mf*3600/BP;//Brake specific fuel consumption in kg/kWh +me=ma+mf;;//mass rate of exhaust flow in kg/s +bpo=(BP/Vs)/1000;//Brake output per displacement in kW/litres + +//OUTPUT +printf('(i)Rate of air flowinto engine %3.5f kg/s \n (ii)Brake specific fuel consumption is %3.3f kg/kWh \n (iii)mass rate of exhaust flow is %3.5f kg/s \n (iv)Brake output per displacement is %3.i kW/litres',ma,bsfc,me,bpo) -- cgit