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 --- 2063/CH10/EX10.1/10_1.sce | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100755 2063/CH10/EX10.1/10_1.sce (limited to '2063/CH10/EX10.1') diff --git a/2063/CH10/EX10.1/10_1.sce b/2063/CH10/EX10.1/10_1.sce new file mode 100755 index 000000000..87633a106 --- /dev/null +++ b/2063/CH10/EX10.1/10_1.sce @@ -0,0 +1,21 @@ +clc +clear +//Input data +T1=273;//The temperature of ice in K +T2=298;//Temperature of water at room in K +COP=2.1;//Cop of the plant +ne=90;//Overall electrochemical efficiency in percentage +w=15;//Weight of ice produced per day in tonnes +cw=4.187;//Specific heat of water in kJ/kg degrees celcius +Li=335;//Latent heat of ice in kJ/kg +mi=1;//Mass of ice produced at 0 degrees celcius + +//Calculations +m=(w*1000)/(24*60);//Mass of ice produced in kg/min +h=(mi*cw*(T2-T1))+Li;//Heat extracted from 1kg of water at 25 degrees celcius to produce 1kg of ice at 0 degrees celcius in kJ/kg +Q=m*h;//Total heat extracted in kJ +W=Q/COP;//Work done by the compressor in kJ/kg +P=W/(60*(ne/100));//Power of compressor in kW + +//Output +printf('Power rating of the compressor-motor unit if the cop of the plant is 2.1 is %3.1f kW',P) -- cgit