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+clear ;
+clc;
+// Example 10.2
+printf('Example 10.2\n\n');
+printf('Page No. 298\n\n');
+
+// given
+m1 = 0.75;// Percentage of fresh air mixture
+T1 = 31;// Dry Bulb Temperature of  fresh air in degree celcius
+w1 = 0.0140;// Humidity  of fresh air at temperature T1 in kg/kg
+m2 = 0.75;// Percentage of recirculated air mixture
+T2 = 22;// Dry Bulb Temperature of recirculated air in degree celcius
+w2 = 0.0080;// Humidity  of recirculated air at temperature T2 in kg/kg
+m = 1.50;// mass flow rate of final air mixture in kg/s
+T = 10;// Dew Point temperature in degree celcius
+
+//In air conditioning => m1*w1 + m2*w2 = m*w
+w = (m1*w1 + m2*w2)/m// in kg/kgs
+printf('The humidity of the air mixture  is %.4f kg/kg \n',w)
+
+
+// from the psychrometric chart, at w = 0.011kg/kg, the  dry bulb temperature is = 26.5 degree celcius  also the humidity of saturated air at 10 degree celcius is 0.0075kg/kg
+T_w = 26.5;// Dry Bulb temerature in degree celcius
+w_10 = 0.0075;// humidity at temperatue T in kg/kg
+
+//the specific enthalpy in J/kg can be calculated by the formula => h = (1.005*10^3*T) +(w*((2.50*10^6)+(1.87*10^3*T))); where the T is the temperature and w is the humidity at temperature T
+
+h_a = (1.005*10^3*T_w) +(w*((2.50*10^6)+(1.88*10^3*T_w)));// Specific enthalpy of recirculated  air in J/kg
+h_s = (1.005*10^3*T) +(w_10*((2.50*10^6)+(1.87*10^3*T)));// Specific enthalpy of saturated air at 10 degree celcius in J/kg
+
+Q = m*(h_a - h_s);// in Watts
+printf('The cooling load on the washer is %.0f W',Q)
+// Answer wrongly calculated in the book