Temperature different between two plate

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SUMMARY

The discussion centers on calculating the temperature of a steel plate beneath a cement plate, with the cement plate heated to 1000 degrees Celsius and exposed to room temperature air at 20 degrees Celsius. Participants emphasize the need for additional information, such as thermal conductivity values and heat transfer coefficients, to accurately determine the temperature of the steel plate. The lack of sufficient data prevents any definitive calculations or formula recommendations.

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Askara
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can anyone tell me what formulae i can use to calculate the temperature of two plate?

eg i have a cement plate on top of a steel plate. each plate say 0.5cm thick. on one side of the cement plate is at 1000 degree c. in still air of room temperature 20 degree c. what's the temperature of the steel plate?
 
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There is not nearly enough information in that question to even begin calculations.
 
i uploaded an image to explain better. but that information you need? it doesn't have to be a calculation, just a formula will do.
 

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