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/CH7/EX7.2/Chapter7_Exampl2.sce | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 1808/CH7/EX7.2/Chapter7_Exampl2.sce

(limited to '1808/CH7/EX7.2')

diff --git a/1808/CH7/EX7.2/Chapter7_Exampl2.sce b/1808/CH7/EX7.2/Chapter7_Exampl2.sce
new file mode 100644
index 000000000..55b20da30
--- /dev/null
+++ b/1808/CH7/EX7.2/Chapter7_Exampl2.sce
@@ -0,0 +1,26 @@
+clc
+clear
+//INPUT DATA
+t=20;//Moist temperature in Degree c
+td=15;//Dew point temperature in Degree c
+pv=12.79;//vapour pressure in mm of Hg
+p2=17.52//pressure of water vapour in mm of Hg
+pa=727.21;//pressure of air in mm of Hg
+hfgt=2454.1;//Specific enthalpy in kJ/kgw.v.
+hfgd=2465.9;//Specific enthalpy in kJ/kgw.v.
+cpa=1.005;//specific pressure
+Ra=287.3;//gas constant
+
+//CALCULATIONS
+pv1=12.79*133.5;//prtial pressure in N/m^2
+x=(pv/p2)*100;//realtive humidity in percentage
+w=0.622*(pv/pa);//Specific humidity in kg w.v./kg d.a
+hv=((4.1868*td)+(hfgd)+(1.88*(t-td)));//Specific enthalpy of water vapour in kJ/kg w.v
+hv1=2500+1.8*(t);//Specific enthalpy of water vapour in kJ/kg w.v
+hv2=4.1868*t+2454.1;//Specific enthalpy of water vapour in kJ/kg w.v
+h=cpa*t+w*hv;//Enthalpy of air per kg of dry air in kJ/kg d.a
+va=(Ra*(t+273))/(pa*133.5);//Specific volume of air per kg of dry air in m^3/kg d.a
+
+//OUTPUT
+printf('(a)From steam tables partial pressure of water is %3.1f N/m^2 \n (b)Relative humidity is %3.2f percentage\n (c)Specific humidity %3.5f kg w.v./kg d.a \n(d)Specific enthalpy of water vapour is %3.3f kJ/kg w.v. \n (e)Enthalpy of air per kg of dry air is %3.2f kJ/kg d.a.\n (f)Specific volume of air per kg of dry air is %3.4f m^3/kg d.a.',pv1,x,w,hv,h,va)
+
-- 
cgit