Define thermal conductivity, Physics

Assignment Help:

In solids, heat is move from conduction. We will study conduction of heat energy by a solid bar in the following section.

Given a solid bar of thickness and area of cross-section A. The left side of the bar is get at a temperature ΦA and right side at ΦB.

Let us consider that ΦA > ΦB.     

Heat moves from high to low temperature i.e., from left side to right side, as given in fig.

After some time, temperature of each section becomes constant with time. This is called as steady state.

 

1879_22.png


Related Discussions:- Define thermal conductivity

Determine the superposition principle, Determine the Superposition Principl...

Determine the Superposition Principle The Superposition Principle for numerous electric potentials, unlike electric fields and forces, is summed algebraically.  Electric potent

What is raman shift, Q. What is Raman shift? In 1928 Sir C.V. Raman fi...

Q. What is Raman shift? In 1928 Sir C.V. Raman fined out experimentally that the monochromatic light is scattered when it is allowed to pass through a substance. The scattered

D- ultrasonic wave heating, D- Ultrasonic wave Heating These waves are...

D- Ultrasonic wave Heating These waves are different from electromagnetic waves . It produces mechanical vibration inside tissue. It is the same as the sound waves but it has

What is fusion, What is fusion? It is a nuclear reaction in which two n...

What is fusion? It is a nuclear reaction in which two nuclei join to form larger (with nearly combined mass) nuclei. It discharges lot of energy. Sun and stars discharge energy

What is fission and fusion, What is Fission and Fusion? Fission: The ...

What is Fission and Fusion? Fission: The breaking down of a Nucleus (not atom) into minute nuclei. It is usually induced by a neutron. For instance, a Helium nucleus (known a

Newtons ring.., why the centre of newton ring is black

why the centre of newton ring is black

Explain about cut-off or stopping potential, Q. What is cut-off or stopping...

Q. What is cut-off or stopping potential? The minimum negative (retarding) potential specified to the anode for which the photo electric current becomes zero is called the cut

Damped oscillation, what is the physical significance of damping constent

what is the physical significance of damping constent

Explain the natural frequencies and resonance, Explain the Natural Frequenc...

Explain the Natural Frequencies and Resonance Standing waves occur when the waves, like those in a vibrating piece of rope, are repeating so that there are places on the rope t

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd