In an experiment to determine the thermal conductivity of a new metal alloy, a bar of the metal is completely surrounded by insulation and exposed to 702 W of constant heat energy at one end. The bar has a radius of 0.071 m and a length of 0.337 m. The entire set-up is place in a cold room and once the system has reached steady state conditions, the temperature at the hot end is measured to be 64.2°C and the temperature at the cold end is measured to be 17.6°C. What is the thermal conductivity (in W/m-K) of the metal alloy [round your final answer to zero decimal places]? Insulation Tc TH

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter11: Energy In Thermal Processes
Section: Chapter Questions
Problem 40P: The thermal conductivities of human tissues vary greatly. Fat and skin have conductivities of about...
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In an experiment to determine the thermal conductivity of a new metal alloy, a
bar of the metal is completely surrounded by insulation and exposed to 702 W
of constant heat energy at one end. The bar has a radius of 0.071 m and a
length of 0.337 m. The entire set-up is place in a cold room and once the
system has reached steady state conditions, the temperature at the hot end is
measured to be 64.2°C and the temperature at the cold end is measured to be
17.6°C. What is the thermal conductivity (in W/m-K) of the metal alloy [round
your final answer to zero decimal places]?
Insulation
Tc
TH
L
Transcribed Image Text:In an experiment to determine the thermal conductivity of a new metal alloy, a bar of the metal is completely surrounded by insulation and exposed to 702 W of constant heat energy at one end. The bar has a radius of 0.071 m and a length of 0.337 m. The entire set-up is place in a cold room and once the system has reached steady state conditions, the temperature at the hot end is measured to be 64.2°C and the temperature at the cold end is measured to be 17.6°C. What is the thermal conductivity (in W/m-K) of the metal alloy [round your final answer to zero decimal places]? Insulation Tc TH L
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