Mechanical Engineering Exam  >  Mechanical Engineering Videos  >  Topper Handwritten Notes & Videos for GATE ME  >  Parallel Flow Heat Exchanger and Counter Flow Heat Exchanger HMT Tutorial- 20, Heat and Mass Transfer, Mechanical Engineering, GATE

Parallel Flow Heat Exchanger and Counter Flow Heat Exchanger HMT Tutorial- 20, Heat and Mass Transfer, Mechanical Engineering, GATE Video Lecture | Topper Handwritten Notes & Videos for GATE ME

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FAQs on Parallel Flow Heat Exchanger and Counter Flow Heat Exchanger HMT Tutorial- 20, Heat and Mass Transfer, Mechanical Engineering, GATE Video Lecture - Topper Handwritten Notes & Videos for GATE ME

1. What is a parallel flow heat exchanger?
Ans. A parallel flow heat exchanger is a type of heat exchanger where both the hot and cold fluids flow in the same direction, parallel to each other. This arrangement allows for efficient heat transfer between the fluids.
2. What is a counter flow heat exchanger?
Ans. A counter flow heat exchanger is a type of heat exchanger where the hot and cold fluids flow in opposite directions, counter to each other. This arrangement maximizes the temperature difference between the two fluids, resulting in efficient heat transfer.
3. How does a parallel flow heat exchanger work?
Ans. In a parallel flow heat exchanger, the hot fluid enters the heat exchanger from one end, while the cold fluid enters from the opposite end. As the fluids flow in the same direction, heat is transferred from the hot fluid to the cold fluid. The fluids exit the heat exchanger from the respective ends.
4. How does a counter flow heat exchanger work?
Ans. In a counter flow heat exchanger, the hot fluid enters the heat exchanger from one end, while the cold fluid enters from the opposite end. As the fluids flow in opposite directions, heat is transferred from the hot fluid to the cold fluid. The fluids exit the heat exchanger from the respective ends.
5. Which type of heat exchanger is more efficient: parallel flow or counter flow?
Ans. Counter flow heat exchangers are generally more efficient compared to parallel flow heat exchangers. This is because counter flow allows for a larger temperature difference between the hot and cold fluids, resulting in a higher heat transfer rate. Additionally, counter flow heat exchangers have a more uniform temperature distribution along the length of the exchanger, further enhancing efficiency.
59 videos|189 docs
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