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Diffstat (limited to '1808/CH7/EX7.14/Chapter7_Exampl14.sce')
-rw-r--r-- | 1808/CH7/EX7.14/Chapter7_Exampl14.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/1808/CH7/EX7.14/Chapter7_Exampl14.sce b/1808/CH7/EX7.14/Chapter7_Exampl14.sce new file mode 100644 index 000000000..5cbd58a7b --- /dev/null +++ b/1808/CH7/EX7.14/Chapter7_Exampl14.sce @@ -0,0 +1,26 @@ +clc
+clear
+//INPUT DATA
+t1=15;//dry bulb temperature in Degree C
+t3=41;//heating coil temperature in Degree C
+t11=11;//wet bulb temperature in Degree C
+p=760;//pressure in mm of Hg
+x=0.4;//realtive humidity in percentage
+pva=9.83;//Saturation pressure in mm Hg
+ps2=33.68;//Saturation pressure in mm Hg
+cp=1.005;//specific pressure
+
+//CALCULATIONS
+t2=t3-(x*(t3-t1));//dry bulb temperature in Degree c
+pv1=(pva-((p-pva)*(t1-t11)*1.8)/(2800-(1.3*(1.8*t1+32))));//Saturation pressure in mm Hg
+w1=0.622*(pv1/(p-pv1));//Specific humidity in kg w.v./kg d.a
+x2=(pv1/ps2)*100;//realtive humidity in percentage
+h1=cp*t1+w1*(2500+1.88*t1);//Enthalpy of air per kg of dry air in kJ/kg d.a.
+h2=cp*t2+w1*(2500+1.88*t2);//Enthalpy of air per kg of dry air in kJ/kg d.a.
+Qa=h2-h1;//Sensible heat addition in kJ/kg d.a.
+
+//OUTPUT
+printf('(a)DBT is %3.1f Degree C \n (b)WBT is from the chart equal to 16.8 Degree C \n (c)RH is %3.2f percentage \n (d)Sensible heat addition is %3.2f kJ/kg d.a ',t2,x2,Qa)
+
+
+
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