Mechanical Engineering Exam > Mechanical Engineering Videos > Topper Handwritten Notes & Videos for GATE ME > What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering
What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering Video Lecture | Topper Handwritten Notes & Videos for GATE ME
|
59 videos|204 docs
|
FAQs on What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering Video Lecture - Topper Handwritten Notes & Videos for GATE ME
| 1. What is radiation heat transfer in the context of mechanical engineering? |  |
Ans. Radiation heat transfer refers to the transfer of heat energy through electromagnetic waves. In mechanical engineering, it plays a crucial role in various applications such as power generation, heat exchangers, and thermal insulation. Unlike conduction and convection, radiation heat transfer does not require a medium for heat transfer and can occur even in a vacuum.
| 2. How is radiation heat transfer different from conduction and convection? | |
Ans. Radiation heat transfer differs from conduction and convection in several ways. While conduction involves heat transfer through direct contact between materials, convection involves heat transfer through the movement of fluid particles. On the other hand, radiation heat transfer occurs through electromagnetic waves and does not require a medium for heat transfer. It can even occur in a vacuum, unlike conduction and convection.
| 3. What are some common applications of radiation heat transfer in mechanical engineering? | |
Ans. Radiation heat transfer has various applications in mechanical engineering. Some common examples include:
1. Thermal radiation from the sun, which is utilized in solar power generation.
2. Heat exchangers, where radiation is used to transfer heat between two fluid streams without direct contact.
3. Thermal insulation, where radiation barriers are used to reduce heat transfer in buildings and industrial equipment.
4. Infrared heating systems, which utilize radiation to heat objects directly without heating the surrounding air.
5. Spacecraft thermal management, where radiation is used to dissipate heat generated by electronic components in space.
| 4. How is radiation heat transfer quantified and calculated? | |
Ans. The quantification and calculation of radiation heat transfer involve complex mathematical equations. The Stefan-Boltzmann law is commonly used to determine the total heat transfer rate through radiation from a surface. The law states that the heat transfer rate is proportional to the fourth power of the absolute temperature of the surface and is also influenced by the surface emissivity and view factors. Additionally, radiative heat transfer can be determined using methods such as the Radiosity method, Monte Carlo simulation, and finite difference schemes.
| 5. What are some factors that affect radiation heat transfer? | |
Ans. Several factors influence radiation heat transfer. Some key factors include:
1. Surface temperature: The heat transfer rate increases with an increase in surface temperature according to the Stefan-Boltzmann law.
2. Surface emissivity: Emissivity is a measure of how effectively a surface emits radiation. Higher emissivity leads to higher heat transfer rates.
3. Surface area and geometry: Larger surface areas and complex geometries can affect the view factor and alter the heat transfer rate.
4. Absorption and reflection: The ability of a surface to absorb or reflect radiation affects the overall heat transfer.
5. Presence of intervening media: The presence of gases, liquids, or solids between the radiating surface and the receiving surface can affect the radiation heat transfer through factors such as absorption and scattering.
Related Exams
About this Video
|
4.70/5 Rating |
|
Dec 24, 2024 Last updated |
Video Description: What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering for Mechanical Engineering 2024 is part of Topper Handwritten Notes & Videos for GATE ME preparation.
The notes and questions for What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering have been prepared according to the Mechanical Engineering exam syllabus.
Information about What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering covers all important topics for Mechanical Engineering 2024 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering.
Introduction of What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering in English is available as part of our Topper Handwritten Notes & Videos for GATE ME for Mechanical Engineering & What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering in
Hindi for Topper Handwritten Notes & Videos for GATE ME course. Download more important topics related with notes, lectures and mock test series for
Mechanical Engineering Exam by signing up for free.
Description
Video Lecture & Questions for What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering Video Lecture | Topper Handwritten Notes & Videos for GATE ME - Mechanical Engineering full syllabus preparation | Free video for Mechanical Engineering exam to prepare for Topper Handwritten Notes & Videos for GATE ME.
Information about What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering
Here you can find the meaning of What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering defined & explained in the simplest way possible.
Besides explaining types of What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering theory, EduRev gives you an ample number of questions to practice What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering tests,
examples and also practice Mechanical Engineering tests.
|
59 videos|204 docs
|
|
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.
Related Searches
past year papers
,Heat and Mass Transfer
,What is Radiation Heat and Mass Transfer Tutorial- 7
,Previous Year Questions with Solutions
,Heat and Mass Transfer
,Sample Paper
,practice quizzes
,Extra Questions
,Important questions
,video lectures
,study material
,Objective type Questions
,Summary
,Exam
,Viva Questions
,What is Radiation Heat and Mass Transfer Tutorial- 7
,What is Radiation Heat and Mass Transfer Tutorial- 7
,Semester Notes
,Heat and Mass Transfer
,MCQs
,Mechanical Engineering Video Lecture | Topper Handwritten Notes & Videos for GATE ME
,shortcuts and tricks
,ppt
,Mechanical Engineering Video Lecture | Topper Handwritten Notes & Videos for GATE ME
,mock tests for examination
,Mechanical Engineering Video Lecture | Topper Handwritten Notes & Videos for GATE ME
,Free
;
Study What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering on the App
Students of Mechanical Engineering can study What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of What is Radiation Heat and Mass Transfer Tutorial- 7, Heat and Mass Transfer, Mechanical Engineering is prepared as per the latest Mechanical Engineering syllabus.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup