Biology, 17.03.2022 14:00, Sanonymous
An apparatus for measuring thermal conductivity employs an electrical heater sandwiched between two identical samples of diameter 25 mm and length 60 mm, which are pressed between plates maintained at a uniform temperature To = 77°C by a circulating fluid. A conducting grease is placed between all the surfaces to ensure good thermal contact. Differential thermocouples are imbedded in the samples with a spacing of 15 mm. The lateral sides of the samples are insulated to ensure one-dimensional heat transfer through the samples.
Required:
a. What is the thermal conductivity of the stainless steel sample material?
b. What is the average temperature of the samples?
Answers: 1
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