Problem

Forming Mixtures Air at 50°C, 1 atm and a volumetric flow rate of 60 m3/min enter...

Forming Mixtures

Air at 50°C, 1 atm and a volumetric flow rate of 60 m3/min enters an insulated control volume operating at steady state and mixes with helium entering as a separate stream at 120°C, 1 atm and a volumetric flow rate of 25 m3/min. A single mixed stream exits at 1 atm. Ignoring kinetic and potential energy effects, determine for the control volume

(a) the temperature of the exiting mixture, in °C.

(b) the rate of entropy production, in kW/K.

(c) the rate of exergy destruction, in kW, for T0 = 295 K.

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