I Heat Conductivity with Aluminum Foil

AI Thread Summary
Using aluminum foil as a heat conductor with materials like pine and sheet rock may enhance conductivity due to its properties, but its effectiveness varies with different materials. The discussion explores whether aluminum foil could slow conduction with high-conductivity materials like glass while potentially increasing it with low-conductivity materials like plexiglass. The assembly of layers and heat flow dynamics are crucial in determining the overall conductivity in these scenarios. Additionally, aluminum foil is primarily utilized in construction as a vapor barrier and reflective insulation. The conversation highlights the complexities of heat transfer and material interaction in practical applications.
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When does Aluminum foil help conductivity and prevent it.
If aluminum foil were used to help conduct heat with pine and sheet rock (0.14 W▪m/m2▪°C and 0.43 W▪m/m2▪°C respectively) would it also help conductivity for glass and plexiglass (0.86 W▪m/m2▪°C and 0.19 W▪m/m2▪°C respectively)? When does the transition of insulator and conductor happen for aluminum foil?
 
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Welcome, John! :smile:

How is the assembly of layers, and how is the flow of heat to reduce or increase for each case?
 
For all materials, there is a simple sheet of aluminum foil covering the top. I am thinking in the case of conduction. I am assuming that maybe aluminum foil would act to slow conduction with materials that have high conductivity and increase conduction with those with low conductivity. But I am not sure.
 
So would that mean that it would reflect heat more likely with glass and plexiglass versus the pine and sheet rock? With the pine and sheet rock is it more likely to conduct the heat?
 

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