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A steel radiant tube, that is 8 inches in diameter and 8 feet long, is placed inside of a convective oven. An electric element inside of the tube produces 33 kw of energy. If 5000 ft³/minute of air, at 500°C, is passed over the tube (flowing perpendicular to the length of the tube). What will be the surface temperature of the tube and the temperature of the air after passing over the tube?

A steel radiant tube, that is 8 inches in diameter and 8 feet long, is placed inside of a convective oven. An electric element inside of the tube produces 33 kw of energy. If 5000 ft³/minute of air, at 500°C, is passed over the tube (flowing perpendicular to the length of the tube). What will be the surface temperature of the tube and the temperature of the air after passing over the tube?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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**Problem Statement:** A steel radiant tube, with a diameter of 8 inches and a length of 8 feet, is placed inside a convective oven. Inside the tube, an electric element generates 33 kW of energy. Air at a temperature of 500°C is passed over the tube at a rate of 5000 cubic feet per minute, flowing perpendicular to the tube's length. Determine the surface temperature of the tube and the temperature of the air after it passes over the tube. (Note: The problem does not provide any diagrams or graphs.)
Transcribed Image Text:**Problem Statement:** A steel radiant tube, with a diameter of 8 inches and a length of 8 feet, is placed inside a convective oven. Inside the tube, an electric element generates 33 kW of energy. Air at a temperature of 500°C is passed over the tube at a rate of 5000 cubic feet per minute, flowing perpendicular to the tube's length. Determine the surface temperature of the tube and the temperature of the air after it passes over the tube. (Note: The problem does not provide any diagrams or graphs.)
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