What is the Equilibrium State in Radiation Heat Transfer?

In summary, Body A with a temperature of 1000°C emits radiation which is absorbed by Body B at 22°C, increasing its internal energy. The time it takes for Body B to reach a higher temperature (such as 500 or 1000°C) depends on how fast heat energy is transferred and other factors such as the temperature difference between the two bodies and their surface area. Additionally, Body B may also lose heat to the surroundings.
  • #1
imselva
14
0
TL;DR Summary
I have two bodies, one at a higher temperature say 1000°C (Body A) and the other is at 22°C (Body B).
Body A emits Radiation (Surface to Surface interaction). The temperature of Body A is maintained by a constant supply of Energy.
The Body B will absorb the Radiation Energy from Body A, and its internal Energy is increased.
How long will it take for Body B to reach higher temperature (Say 500 or even 1000°C).
Please let me know the science behind this Radiation heat Transfer Equilibrium
I have two bodies, one at a higher temperature say 1000°C (Body A) and the other is at 22°C (Body B).
Body A emits Radiation (Surface to Surface interaction). The temperature of Body A is maintained by a constant supply of Energy.
The Body B will absorb the Radiation Energy from Body A, and its internal Energy is increased.

How long will it take for Body B to reach higher temperature (Say 500 or even 1000°C).

Please let me know the science behind this Radiation heat Transfer Equilibrium state.
 
Engineering news on Phys.org
  • #2
The time it takes will depend how fast heat energy is transferred, and some qualities of the materials. Amount of heat transferred depends on some factors: a couple are difference in temperature between the 2, surface area (those are not the only factors).
In general, the heat transfers faster if the temperature difference between the two is larger. Larger surface area facilitates faster transfer, as well.

Also, the "body B" may be losing heat to the surroundings, depending on the conditions.

I hope this helps.
 
  • Like
Likes imselva
  • #3
Thank you :)
 

1. What is the equilibrium state in radiation heat transfer?

The equilibrium state in radiation heat transfer refers to a state where the amount of energy being emitted by an object is equal to the amount of energy being absorbed by the same object. This means that there is no net flow of energy between the object and its surroundings, resulting in a constant temperature.

2. How is the equilibrium state achieved in radiation heat transfer?

The equilibrium state is achieved when the rate of energy absorption and emission by an object is equal. This can be achieved by adjusting the temperature of the object or its surroundings, or by changing the properties of the object such as its reflectivity or emissivity.

3. What factors affect the equilibrium state in radiation heat transfer?

The equilibrium state in radiation heat transfer is affected by several factors, including the temperature of the object and its surroundings, the properties of the object such as its reflectivity and emissivity, and the distance between the object and its surroundings.

4. How does the equilibrium state in radiation heat transfer impact the temperature of an object?

The equilibrium state in radiation heat transfer results in a constant temperature of an object. This means that the object will neither gain nor lose heat, resulting in a stable temperature. However, if the equilibrium state is disrupted, the temperature of the object may change.

5. Can the equilibrium state in radiation heat transfer be maintained indefinitely?

In theory, the equilibrium state in radiation heat transfer can be maintained indefinitely as long as the conditions remain constant. However, in practical applications, external factors such as changes in temperature or properties of the object may disrupt the equilibrium state over time.

Similar threads

Improving heat transfer in domestic hot water tank?
    • Mechanical Engineering
Replies
15
Views
2K
Heat Transfer Formulae for Charcoal-Concrete Experiment
    • Mechanical Engineering
Replies
1
Views
827
Differences between these materials for absorbing and radiating heat?
    • Mechanical Engineering
Replies
2
Views
1K
Calculating Transient Heat Transfer in Pipes with Thick Walls
    • Mechanical Engineering
Replies
15
Views
1K
Triangular cavity thermal radiation simulation
    • Mechanical Engineering
Replies
9
Views
1K
Heat transfer for an encapsulated circuit
    • Mechanical Engineering
Replies
1
Views
1K
I Equilibrium between objects at different temperatures?
    • Thermodynamics
3
Replies
101
Views
4K
Radiation heat transfer in channel flow
    • General Engineering
Replies
1
Views
2K
Help me heat up a powder coating oven (made out of an old steel cabinet)
    • Mechanical Engineering
Replies
9
Views
755
Clarification about Heat Conduction equations
    • Mechanical Engineering
Replies
1
Views
1K

Hot Threads

Recent Insights

Back
Top