From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 1226/CH17/EX17.12/EX17_12.jpg | Bin 0 -> 117481 bytes 1226/CH17/EX17.12/EX17_12.sce | 18 ++++++++++++++++++ 2 files changed, 18 insertions(+) create mode 100755 1226/CH17/EX17.12/EX17_12.jpg create mode 100755 1226/CH17/EX17.12/EX17_12.sce (limited to '1226/CH17/EX17.12') diff --git a/1226/CH17/EX17.12/EX17_12.jpg b/1226/CH17/EX17.12/EX17_12.jpg new file mode 100755 index 000000000..a29b4a202 Binary files /dev/null and b/1226/CH17/EX17.12/EX17_12.jpg differ diff --git a/1226/CH17/EX17.12/EX17_12.sce b/1226/CH17/EX17.12/EX17_12.sce new file mode 100755 index 000000000..7c1a49161 --- /dev/null +++ b/1226/CH17/EX17.12/EX17_12.sce @@ -0,0 +1,18 @@ +clc;funcprot(0);//EXAMPLE 7.12 +// Initialisation of Variables +N=1800;...................//Engine rpm +l=0.11;...................//Engine stroke in m +d=0.085;..................//Engine bore in m +ma=0.56;..................//Air flow rate in kg/min +BP=6;.....................//Brake power developed in kW +afr=20;...................//Air fuel ratio +C=42550;..................//Calorific value of fuel in kJ/kg +rhof=1.18;................//Density of fuel in kg/m^3 +//calculations +V=(%pi/4)*d*d*l*(N/2);.....................//Volume displacemt in m^3/min +Ma=V*rhof;.................................//Mass of air in kg/min +etaV=ma/Ma;................................//Volumetric efficiency +fc=ma/afr;.................................//Fuel concumption +bsfc=(fc*60)/BP;...........................//Brake specific fuel consumption in kg/kWh +disp(etaV*100,"The volumetric efficiency (in %):") +disp(bsfc,"Brake specific fuel consumption (in kg/kWh):") -- cgit