Question: problem #3 is just a part 2 to problem #2 The space shuttle thermal protection system (TPS) is the barrier that protects the space shuttle

problem #3 is just a part 2 to problem #2

The space shuttle thermal protection system (TPS) is the barrier that protects the space shuttle from the extremely high heats (up to 3,000F ) of atmospheric reentry. The main part of the TPS are the small tiles that coat the space shuttle, which ensures that the maximum allowable temperature for the space shuttle of 160F (inside the TPS) is not exceeded. These tiles are 0.75 in thick and are primarily made up of silica (SiO2), and are specially designed for the TPS and have a thermal conductivity of 0.073BTU/fthrF under reentry conditions. If the surface area of the space shuttle is 11,900ft2, how quickly does heat move through the TPS? Give your answer in BTU/hr. Problem \#3 If the special silica tiles were replaced by stainless steel tiles, how thick would the tiles need to be to accomplish the same rate of heat transfer? Give your answers in inches

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