Understanding q: Lambda & S in the Equation

Fourier's_lawIn summary, the conversation discusses a formula involving q, λ, and S, which could potentially represent charge, vacuum permittivity, and surface area. The formula is related to the heating of a rod and the heat flux, and it is suggested that λ represents the coefficient of thermal conductivity and s represents the surface area for heat transfer. However, without further information, it is difficult to determine the exact meaning of the formula.
  • #1
velfr
2
0
TL;DR Summary
Unknown formula
What is this formula?
q=λ⋅S⋅∪_x
What does s and lambda mean?
 
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  • #2
Could be potential times vacuum permittivity times surface equals charge (electromagnetic field between to plates).
 
  • #3
I know that this formula is related to the heating of the rod and the heat flux.
In this case, can λ be the coefficient of thermal conductivity, and s is the surface area through which heat passes?
 
  • #4
velfr said:
I know that this formula is related to the heating of the rod and the heat flux.
In this case, can λ be the coefficient of thermal conductivity, and s is the surface area through which heat passes?
Sure. But without any description it remains guesswork. Thermal conductivity has plenty of similar formulas, see https://en.wikipedia.org/wiki/Thermal_conductivity
 
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Likes davenn

1. What is the equation for q: Lambda & S?

The equation for q: Lambda & S is q = λS, where q represents the heat transferred, λ represents the thermal conductivity, and S represents the cross-sectional area.

2. How do you calculate q: Lambda & S?

To calculate q: Lambda & S, you simply multiply the thermal conductivity (λ) by the cross-sectional area (S).

3. What is the significance of q: Lambda & S in thermodynamics?

q: Lambda & S is a fundamental equation in thermodynamics that helps us understand the transfer of heat between two objects. It is used to calculate the amount of heat transferred and is essential in many thermodynamic processes.

4. How does the value of q: Lambda & S affect the heat transfer?

The value of q: Lambda & S directly affects the heat transfer. A higher value of q indicates a greater amount of heat being transferred, while a lower value indicates less heat transfer. This equation also shows that the larger the cross-sectional area (S) or thermal conductivity (λ), the greater the heat transfer.

5. Can q: Lambda & S be applied to all types of heat transfer?

Yes, q: Lambda & S can be applied to all types of heat transfer, including conduction, convection, and radiation. However, it is important to note that the equation may need to be modified for certain situations, such as when dealing with non-uniform materials or complex geometries.

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