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# Carbon dioxide (CO2) at 1978C, 2 bar enters a chamber at ISBN: 9781118412930 139

## Solution for problem 12.30 Chapter 12

Fundamentals of Engineering Thermodynamics | 8th Edition

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Problem 12.30

Carbon dioxide (CO2) at 1978C, 2 bar enters a chamber at steady state with a molar flow rate of 2 kmol/s and mixes with nitrogen (N2) entering at 278C, 2 bar with a molar flow rate of 1 kmol/s. Heat transfer from the mixing chamber occurs at an average surface temperature of 1278C. A single stream exits the mixing chamber at 1278C, 2 bar and passes through a duct, where it cools at constant pressure to 428C through heat transfer with the surroundings at 278C. Kinetic and potential energy effects can be ignored. Determine the rates of heat transfer and exergy destruction, each in kW, for control volumes enclosing (a) the mixing chamber only. (b) the mixing chamber and enough of the nearby surroundings that heat transfer occurs at 278C. (c) the duct and enough of the nearby surroundings that heat transfer occurs at 278C. Let T0 5 278C.

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##### ISBN: 9781118412930

Fundamentals of Engineering Thermodynamics was written by and is associated to the ISBN: 9781118412930. The answer to “Carbon dioxide (CO2) at 1978C, 2 bar enters a chamber at steady state with a molar flow rate of 2 kmol/s and mixes with nitrogen (N2) entering at 278C, 2 bar with a molar flow rate of 1 kmol/s. Heat transfer from the mixing chamber occurs at an average surface temperature of 1278C. A single stream exits the mixing chamber at 1278C, 2 bar and passes through a duct, where it cools at constant pressure to 428C through heat transfer with the surroundings at 278C. Kinetic and potential energy effects can be ignored. Determine the rates of heat transfer and exergy destruction, each in kW, for control volumes enclosing (a) the mixing chamber only. (b) the mixing chamber and enough of the nearby surroundings that heat transfer occurs at 278C. (c) the duct and enough of the nearby surroundings that heat transfer occurs at 278C. Let T0 5 278C.” is broken down into a number of easy to follow steps, and 149 words. This full solution covers the following key subjects: chamber, heat, transfer, mixing, bar. This expansive textbook survival guide covers 14 chapters, and 1738 solutions. The full step-by-step solution to problem: 12.30 from chapter: 12 was answered by , our top Engineering and Tech solution expert on 11/14/17, 08:39PM. This textbook survival guide was created for the textbook: Fundamentals of Engineering Thermodynamics, edition: 8. Since the solution to 12.30 from 12 chapter was answered, more than 261 students have viewed the full step-by-step answer.

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