Max Heat Transfer w/ Low Conductivity Brick & Copper

In summary, the question is whether the thermal conductivity of a layer of bricks will affect the heat transfer between a heat source and a layer of copper on top. The answer is that the maximum heat transfer will be 1.6 (W/m/°C) due to the low conductivity of the bricks, but it will be slightly reduced to approximately 1.59 (W/m/°C) due to the added thermal resistance of the copper sheet.
  • #1
space4092
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Hello,

Just a quick question if I have a let's say a heat source of under a layer of bricks that have a thermal conductivity of 1.6 (W/m/°C.) and on top of the brick a layer of copper with a thermal conductivity of 398 (W/m/°C.).

Is my assumption right that since the layer of brick has such a low conductivity that no matter what material I put on top of that brick, that the maximum heat transfer between the heat source and the copper will be 1.6 (W/m/°C.) due to the low conductivity of the bricks?

Thanks in advance!
 
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  • #2
Within 1%, yes.
The total conductance will reduce to ≅1.59(W/m/°C), because you have added a tiny bit of thermal resistance with the Copper Sheet.

Cheers,
Tom
 
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FAQ: Max Heat Transfer w/ Low Conductivity Brick & Copper

1. What is the purpose of using low conductivity brick and copper in heat transfer experiments?

The purpose of using low conductivity brick and copper is to minimize the amount of heat lost during the heat transfer process. Low conductivity materials are able to insulate and retain heat better, allowing for more accurate and efficient experiments.

2. How does the conductivity of brick and copper affect heat transfer?

The conductivity of brick and copper plays a crucial role in heat transfer experiments. Low conductivity materials act as barriers, preventing heat from escaping and maximizing the amount of heat transferred to the desired location.

3. Can other materials be used instead of brick and copper for heat transfer experiments?

Yes, there are many other materials that can be used for heat transfer experiments. However, brick and copper are popular choices because of their low conductivity and ability to withstand high temperatures.

4. How can the maximum heat transfer be achieved with low conductivity brick and copper?

The maximum heat transfer can be achieved by using proper insulation techniques and ensuring that there are no gaps or air pockets between the brick and copper materials. This allows for a more efficient and controlled transfer of heat.

5. Are there any limitations to using low conductivity brick and copper in heat transfer experiments?

While low conductivity brick and copper are effective for minimizing heat loss, they may not be suitable for all types of experiments. Some experiments may require higher conductivity materials for faster heat transfer. Additionally, low conductivity materials may be more expensive and require more specialized equipment for handling and installation.

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