thermal conductivity

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작성자맷지 조회 11회 작성일 2022-01-19 06:02:53 댓글 0

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Intuition behind formula for thermal conductivity | Physics | Khan Academy

Intuition behind formula for thermal conductivity.

Watch the next lesson: https://www.khanacademy.org/science/physics/thermodynamics/laws-of-thermodynamics/v/macrostates-and-microstates?utm_source=YT\u0026utm_medium=Desc\u0026utm_campaign=physics

Missed the previous lesson? https://www.khanacademy.org/science/physics/thermodynamics/specific-heat-and-heat-transfer/v/thermal-conductivity-of-metal-and-wood?utm_source=YT\u0026utm_medium=Desc\u0026utm_campaign=physics

Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.

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Aeon Productions : I must applaud you! Your videos are amazing! As are your explaination skills.
Keep up this fine work!
Knowledge Scroll : This is exactly the same way I teach it to my students...I love Khan Academy
Maily26 Hana : God bless you . Man you are way better than my professor
youJEAN : finally someone who can explain this clearly on youtube. thank you. this is great
CThermTechnologies : Great explanation of thermal conductivity. We have sensor solutions for measuring "k" and it's sometimes easy to overthink what W/mK truly means!

Thermal Conductivity, Stefan Boltzmann Law, Heat Transfer, Conduction, Convecton, Radiation, Physics

This physics video tutorial explains the concept of the different forms of heat transfer such as conduction, convection and radiation. It also shows how to calculate the rate of heat flow using thermal conductivity, emissivity, and the stefan boltzmann law of radiation equation. It shows the relationship between thermal conductivity and the insulation r-value of building materials. This video contains plenty of examples and practice problems.

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Arturo Saines : Interesting video. I have a question: Does an object lose its heat due to transfer of energy while time passes by? I mean, for each amount of energy a hot object transmits, it loses its heat too? If so, the faster it loses it energy, the faster it gets cold.

Sorry for my ignorance and my bad english. Thanks in advance.
Win Tutorials : You explain it so well. Thanks. I tried to explain it, and even though I’m being complemented on my explain-like-I’m-5 skills. I wasn’t able to explain this topic. Thanks
Nathan Nicolas : Thank you for the incredible help! However the amount of ads is extremely irritating when trying to focus on such subjects
yasmin : thank you it really helped me in physics, i have a physic test tomorrow and you are a life server thank you
syria : I love you so much, this helped me so much. You explain it better than my teacher suprisingly.

Understanding Thermal Conductivity in Solids

Conduction, thermal conductivity, heat transfer

Thermal conductivity is a transport property that provides an indication of the rate at which heat energy is transferred by the diffusion process. It depends on the physical structure of matter, atomic and molecular, which is related to the state of the matter.
A high value for thermal conductivity indicates that the material is a good heat conductor, and a low value indicates that the material is a poor heat conductor or insulator.

Chapters:
0:00 Introduction
0:23 Experiment
1:13 Fourier's Law
2:41 Conduction in solid
4:00 Conduction in metals
5:38 Conduction in non metals
6:28 Example from daily life
Janak Medicos : Thermal conductivity. Radiative transfer. Convection. Conduction.
Janak Medicos : Energy transfer. Mass transfer.
Kamalkishor kumar : Awesome ❤❤❤❤❤❤❤❤
Every thing : TQ u sir❤️
Janak Medicos : Elementary things . But Too much expensive , if you can't able to grasp basic underlying quantum concepts and theoritical foundation.

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#thermal conductivity

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