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Helium at 200 kPa, 20 ∘C is heated by mixing it with argon at 200 kPa, 500 ∘C in an adiabatic chamber. Helium enters the chamber at 2 kg/s and argon at 0.6 kg/s. The mixture leaves at 200 kPa. (Figure 1) Part A Determine the temperature (T2) at the exit. Express your answer to four significant figures. Part B Determine the rate of entropy generation (S˙gen) due to mixing. Express your answer to three significant figures in kW/K.

Helium at 200 kPa, 20 ∘C is heated by mixing it with argon at 200 kPa, 500 ∘C in an adiabatic chamber. Helium enters the chamber at 2 kg/s and argon at 0.6 kg/s. The mixture leaves at 200 kPa. (Figure 1) Part A Determine the temperature (T2) at the exit. Express your answer to four significant figures. Part B Determine the rate of entropy generation (S˙gen) due to mixing. Express your answer to three significant figures in kW/K.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Helium at 200 kPa, 20 ∘C is heated by mixing it with argon at 200 kPa, 500 ∘C in an adiabatic chamber. Helium enters the chamber at 2 kg/s and argon at 0.6 kg/s. The mixture leaves at 200 kPa. (Figure 1)

Part A

Determine the temperature (T2) at the exit.
Express your answer to four significant figures.

Part B

Determine the rate of entropy generation (S˙gen) due to mixing.
Express your answer to three significant figures in kW/K.
The image illustrates a heat exchanger diagram. It shows two fluid streams entering a chamber: 1. The upper stream is labeled "Cold" and enters from the left. 2. The lower stream is labeled "Hot" and also enters from the left. Both streams appear to interact or exchange heat within a central chamber, represented by a dotted rectangle. The fluids then exit on the right side as two separate streams. This diagram represents the basic mechanism of a heat exchanger, where two fluids at different temperatures exchange heat without mixing directly. The cold fluid absorbs heat from the hot fluid, resulting in a temperature change in both streams.
Transcribed Image Text:The image illustrates a heat exchanger diagram. It shows two fluid streams entering a chamber: 1. The upper stream is labeled "Cold" and enters from the left. 2. The lower stream is labeled "Hot" and also enters from the left. Both streams appear to interact or exchange heat within a central chamber, represented by a dotted rectangle. The fluids then exit on the right side as two separate streams. This diagram represents the basic mechanism of a heat exchanger, where two fluids at different temperatures exchange heat without mixing directly. The cold fluid absorbs heat from the hot fluid, resulting in a temperature change in both streams.
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