A long, cylindrical electrically heated rod, 2 cam in diameter, is installed in a vacuum furnace as shown in Figure below. The surface of the heating rod has an emissivity of 0.9 and is naintained at 1000 K, while the interior walls of the furnace are black at 800 K. Calculate the ret rate at which heat is lost from the rod per unit length and the radiation heat transfer coefficient.

A long, cylindrical electrically heated rod, 2 cam in diameter, is installed in a vacuum furnace as shown in Figure below. The surface of the heating rod has an emissivity of 0.9 and is naintained at 1000 K, while the interior walls of the furnace are black at 800 K. Calculate the ret rate at which heat is lost from the rod per unit length and the radiation heat transfer coefficient.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter1: Temperature And Heat

Section: Chapter Questions

Problem 121AP: An infrared heater for a sauna has a surface area of 0.050 m2 and an emissivity of 0.84. What...

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