Air at 358C, 1 bar, and 10% relative humidity enters an
Chapter 12, Problem 12.92(choose chapter or problem)
Air at \(35^{\circ} \mathrm{C}\), 1 bar, and 10% relative humidity enters an evaporative cooler operating at steady state. The volumetric flow rate of the incoming air is \(50 \mathrm{m}^{3} / \mathrm{min}\). Liquid water at \(20^{\circ} \mathrm{C}\) enters the cooler and fully evaporates. Moist air exits the cooler at \(25^{\circ} \mathrm{C}\), 1 bar. If there is no significant heat transfer between the device and its surroundings, determine
(a) the rate at which liquid enters, in kg/min.
(b) the relative humidity at the exit.
(c) the rate of exergy destruction, in kJ/min, for \(T_{0}=-20^{\circ} \mathrm{C}\).
Neglect kinetic and potential energy effects.
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