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categoryهندسة النفط schoolبكالوريوس event_available2026-07-15

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A stream of air at 450.0 °C and 835 torr with a dew point of 30.0 °C flowing at a rate of 1915 L/s is to be cooled in a spray cooler. A fine mist of liquid water at 15.0 °C is sprayed into the hot air at a rate of 110.0 g/s and evaporates completely. The cooled air emerges at 1 atm. Physical Property Tables Material Balances For the flow diagram below, use two material balances and three constraints to determine all unknowns except for the outlet temperature T3. A g H2O(l)/s n2 (mol H2O(l)/s) B °C CL air/s n₁ (mol/s) x₁ (mol H2O (v) /mol) (1-x) (mol DA/mol) D °C, E torr Tdp=F °C n3 (mol/s) X3 (mol H2O(v)/mol) (1-x3) (mol DA/mol) T3 (°C), 1 atm Assume A = 110.0 g, B = 15.0 °C, C = 1915 L, D = 450.0 °C, E = 835 torr, F = 30.0 °C. n₁ = i mol/s n2 = i mol/s n3 = i mol/s X1= i mol H2O(v)/mol X3= i mol H2O(v)/mol

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