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Diffstat (limited to '534/CH7/EX7.3/7_3_Daily_water_loss.sce')
-rw-r--r-- | 534/CH7/EX7.3/7_3_Daily_water_loss.sce | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/534/CH7/EX7.3/7_3_Daily_water_loss.sce b/534/CH7/EX7.3/7_3_Daily_water_loss.sce new file mode 100644 index 000000000..aa0dd4c4b --- /dev/null +++ b/534/CH7/EX7.3/7_3_Daily_water_loss.sce @@ -0,0 +1,37 @@ +clear;
+clc;
+printf('FUNDAMENTALS OF HEAT AND MASS TRANSFER \n Incropera / Dewitt / Bergman / Lavine \n EXAMPLE 7.3 Page 417 \n'); //Example 7.2
+// Daily Water Loss
+
+//Operating Conditions
+v = 2; //[m/s] Air velocity
+Tsurr = 25+273; //[K] Surrounding Air Temperature
+H = .5; // Humidity
+w = 6; //[m] Width of pool
+L1 = 12; //[m] Length of pool
+e = 1.5; //[m] Deck Wide
+Ts = 25+273; //[K] Surface Temp of water
+
+//Table A.4 Air Properties at T = 298K
+uv = 15.7*10^-6; //[m^2/s] Kinematic Viscosity
+//Table A.8 Water vapor-Air Properties at T = 298K
+Dab = .26*10^-4; //[m^2/s] Diffusion Coefficient
+Sc = uv/Dab;
+//Table A.6 Air Properties at T = 298K
+rho = .0226; //[kg/m^3]
+
+L = L1+e;
+Re = v*L/uv; //Reynolds number
+
+//Equation 7.41 yields
+ShLe = .037*Re^.8*Sc^.3334;
+//Equation 7.44
+p = 8; //Turbulent Flow
+ShL = (L/(L-e))*ShLe*[1-(e/L)^((p+1)/(p+2))]^(p/(p+1));
+
+hmL = ShL*(Dab/L);
+n = hmL*(L1*w)*rho*(1-H);
+
+printf("\n Reynolds Number is %.2e. Hence for turbulent Flow p = 8 in Equation 7.44.\n Daily Water Loss due to evaporation is %i kg/day",Re,n*86400);
+
+//END
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