Mechanical Engineering Exam  >  Mechanical Engineering Videos  >  Topper Handwritten Notes & Videos for GATE ME  >  Heat Exchanger and Types of Heat Exchanger HMT Tutorial- 19, Heat and Mass Transfer, Mechanical Engineering, GATE

Heat Exchanger and Types of Heat Exchanger HMT Tutorial- 19, Heat and Mass Transfer, Mechanical Engineering, GATE Video Lecture | Topper Handwritten Notes & Videos for GATE ME

59 videos|204 docs

Top Courses for Mechanical Engineering

FAQs on Heat Exchanger and Types of Heat Exchanger HMT Tutorial- 19, Heat and Mass Transfer, Mechanical Engineering, GATE Video Lecture - Topper Handwritten Notes & Videos for GATE ME

1. What is a heat exchanger?
Ans. A heat exchanger is a device used to transfer heat from one fluid to another without mixing them. It is commonly used in various industries to efficiently transfer heat between fluids, such as in HVAC systems, power plants, and chemical processes.
2. What are the types of heat exchangers?
Ans. There are several types of heat exchangers, including: - Shell and tube heat exchangers: Consisting of a shell with multiple tubes inside, these are commonly used in industrial applications. - Plate heat exchangers: These consist of multiple plates stacked together, allowing for efficient heat transfer. - Finned tube heat exchangers: These have extended surfaces (fins) on the tubes to increase heat transfer efficiency. - Double pipe heat exchangers: These have two concentric pipes, one inside the other, allowing for a compact design. - Spiral heat exchangers: These have two flat spiral-shaped plates that create two separate flow channels for the fluids.
3. How does a heat exchanger work?
Ans. A heat exchanger works by allowing two fluids to flow in separate channels, with one fluid being heated while the other is cooled. The hot fluid transfers heat to the colder fluid through the walls of the heat exchanger. This transfer of heat occurs due to the temperature difference and the conductive properties of the exchanger material.
4. What are the advantages of using a heat exchanger?
Ans. Some advantages of using a heat exchanger include: - Efficient heat transfer: Heat exchangers are designed to maximize heat transfer between fluids, resulting in efficient energy usage. - Compact design: Heat exchangers can be designed to have a small footprint, making them suitable for space-constrained applications. - Versatility: Heat exchangers can handle a wide range of temperatures, pressures, and flow rates, making them adaptable to various industrial processes. - Cost savings: By effectively transferring heat, heat exchangers can help reduce energy consumption and operating costs.
5. What factors should be considered when selecting a heat exchanger?
Ans. When selecting a heat exchanger, factors to consider include: - Heat transfer requirements: Determine the required heat transfer rate and temperature difference between the fluids to ensure the selected exchanger can meet the desired performance. - Fluid properties: Consider the specific heat capacity, viscosity, and fouling tendency of the fluids to select a suitable exchanger that can handle these properties. - Space limitations: Evaluate the available space for installation and choose a heat exchanger design that can fit within the given constraints. - Maintenance requirements: Consider the ease of cleaning and maintenance for the selected heat exchanger to ensure long-term efficiency and reliability.
Explore Courses for Mechanical Engineering exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

MCQs

,

past year papers

,

Free

,

Semester Notes

,

GATE Video Lecture | Topper Handwritten Notes & Videos for GATE ME

,

Heat Exchanger and Types of Heat Exchanger HMT Tutorial- 19

,

Important questions

,

Summary

,

ppt

,

Extra Questions

,

GATE Video Lecture | Topper Handwritten Notes & Videos for GATE ME

,

Heat Exchanger and Types of Heat Exchanger HMT Tutorial- 19

,

Objective type Questions

,

Viva Questions

,

Mechanical Engineering

,

Heat and Mass Transfer

,

Exam

,

Heat and Mass Transfer

,

Mechanical Engineering

,

GATE Video Lecture | Topper Handwritten Notes & Videos for GATE ME

,

Heat and Mass Transfer

,

Previous Year Questions with Solutions

,

video lectures

,

practice quizzes

,

Mechanical Engineering

,

Sample Paper

,

study material

,

Heat Exchanger and Types of Heat Exchanger HMT Tutorial- 19

,

pdf

,

mock tests for examination

,

shortcuts and tricks

;