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+//clear//
+clear;
+clc;
+
+//Example 29.1
+//Given
+mdot = 100; //[ton/h]
+w1 = 0.80;
+w2 = 0.80;
+//Solution
+Wi = 12.74; //From Table 29.1
+Dpa = 2*25.4; //[mm]
+Dpb = 0.125*25.4; //[mm]
+//Using Eq.(29.10)
+P = mdot*0.3162*Wi*(1/Dpb^0.5-1/Dpa^0.5); //[kW]
+disp('kW',P,'Power required (P) = ');