Mechanical Engineering Exam  >  Mechanical Engineering Videos  >  Heat Transfer  >  Introduction of Heat Exchangers

Introduction of Heat Exchangers Video Lecture | Heat Transfer - Mechanical Engineering

57 videos|77 docs|86 tests

Top Courses for Mechanical Engineering

FAQs on Introduction of Heat Exchangers Video Lecture - Heat Transfer - Mechanical Engineering

1. What is the purpose of a heat exchanger in chemical engineering?
Ans. A heat exchanger is a device used in chemical engineering to transfer heat between two or more fluids. Its purpose is to efficiently transfer thermal energy from one fluid to another, without mixing them, in order to control the temperature of a process or system.
2. How does a heat exchanger work?
Ans. A heat exchanger works by having two or more fluids flow in close proximity to each other, separated by a conductive surface. Heat is transferred from the hotter fluid to the cooler fluid through conduction, resulting in the exchange of thermal energy between the fluids. The conductive surface, often in the form of tubes or plates, maximizes the surface area available for heat transfer.
3. What are the different types of heat exchangers used in chemical engineering?
Ans. There are several types of heat exchangers used in chemical engineering, including shell and tube heat exchangers, plate heat exchangers, finned tube heat exchangers, and spiral heat exchangers. Each type has its own advantages and is suitable for different applications based on factors such as fluid properties, temperature ranges, and pressure requirements.
4. What factors should be considered when selecting a heat exchanger for a chemical process?
Ans. When selecting a heat exchanger for a chemical process, several factors should be considered. These include the required heat transfer rate, the temperature and pressure ranges of the fluids, the fluid properties (such as viscosity and fouling tendency), the available space for installation, the cost, and the maintenance requirements. It is important to choose a heat exchanger that can efficiently meet the process requirements while considering these factors.
5. How can the performance of a heat exchanger be improved in chemical engineering?
Ans. The performance of a heat exchanger in chemical engineering can be improved by several methods. These include increasing the heat transfer surface area, enhancing the fluid flow patterns through design modifications, improving the heat transfer coefficient through the use of high-performance materials or coatings, optimizing the flow rates and temperatures of the fluids, and minimizing fouling or scaling by proper maintenance and cleaning procedures. These measures can help maximize the heat transfer efficiency and ensure the optimal operation of the heat exchanger.
57 videos|77 docs|86 tests
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

practice quizzes

,

Introduction of Heat Exchangers Video Lecture | Heat Transfer - Mechanical Engineering

,

mock tests for examination

,

Semester Notes

,

Important questions

,

study material

,

Introduction of Heat Exchangers Video Lecture | Heat Transfer - Mechanical Engineering

,

Objective type Questions

,

Extra Questions

,

Previous Year Questions with Solutions

,

Sample Paper

,

Summary

,

pdf

,

shortcuts and tricks

,

ppt

,

Exam

,

Free

,

past year papers

,

Viva Questions

,

video lectures

,

Introduction of Heat Exchangers Video Lecture | Heat Transfer - Mechanical Engineering

,

MCQs

;