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 --- 1775/CH6/EX6.16/Chapter6_Example16.sce | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100755 1775/CH6/EX6.16/Chapter6_Example16.sce (limited to '1775/CH6/EX6.16/Chapter6_Example16.sce') diff --git a/1775/CH6/EX6.16/Chapter6_Example16.sce b/1775/CH6/EX6.16/Chapter6_Example16.sce new file mode 100755 index 000000000..57c2150e4 --- /dev/null +++ b/1775/CH6/EX6.16/Chapter6_Example16.sce @@ -0,0 +1,31 @@ +//Chapter-6, Illustration 16, Page 323 +//Title: Refrigeration cycles +//============================================================================= +clc +clear + +//INPUT DATA +P1=25;//Pressure at point 1 in bar +P2=60;//Pressure at point 2 in bar +h2=208.1;//Vapour enthalpy at P2 in kJ/kg +h3=61.9;//Liquid enthalpy at P2 in kJ/kg +h4=h3;//Liquid enthalpy at P2 in kJ/kg +s2=0.703;//Vapour entropy at P2 in kJ/kg-K +sf1=-0.075;//Liquid entropy at P1 in kJ/kg-K +sfg1=0.971;//Entropy in kJ/kg-K +hf1=-18.4;//Liquid Enthalpy at P1 in kJ/kg +hfg1=252.9;//Latent heat at P1 in kJ/kg +m=5;//Refrigerant flow in kg/min + +//CALCULATIONS +x1=(s2-sf1)/sfg1;//Quality factor 1 +h1=hf1+(x1*hfg1);//Enthalpy at point 1 in kJ/kg +COP=(h1-h4)/(h2-h1);//Co-efficient of performance +QL=(m*(h1-h4))/60;//Capacity of the refrigerator in kW + +//OUTPUT +mprintf('COP of refrigerator is %3.2f \n Capacity of refrigerator is %3.2f kW',COP,QL) + + + +//==============================END OF PROGRAM================================= -- cgit