Water at 15°C is to be heated to 65°C by passing it over a bundle of 4-m-long, 1-cm-diameter resistance heater rods maintained at 90°C. Water approaches the heater rod bundle in normal direction at a mean velocity of 0.8 m/s. The rods are arranged in-line with longitudinal and transverse pitches of SL=4 cm and ST=3 cm. Determine the number of tube rows NL in the flow direction needed to achieve the indicated temperature rise. Please, I need the solution from fundamental concepts of how the heat flow behaves in the system. That it be answered with theory of the subject
Water at 15°C is to be heated to 65°C by passing it over a bundle of 4-m-long, 1-cm-diameter resistance heater rods maintained at 90°C. Water approaches the heater rod bundle in normal direction at a mean velocity of 0.8 m/s. The rods are arranged in-line with longitudinal and transverse pitches of SL=4 cm and ST=3 cm. Determine the number of tube rows NL in the flow direction needed to achieve the indicated temperature rise. Please, I need the solution from fundamental concepts of how the heat flow behaves in the system. That it be answered with theory of the subject
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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Water at 15°C is to be heated to 65°C by passing it over a bundle of 4-m-long, 1-cm-diameter resistance heater rods maintained at 90°C. Water approaches the heater rod bundle in normal direction at a mean velocity of 0.8 m/s. The rods are arranged in-line with longitudinal and transverse pitches of SL=4 cm and ST=3 cm.
Determine the number of tube rows NL in the flow direction needed to achieve the indicated temperature rise.
Please, I need the solution from fundamental concepts of how the heat flow behaves in the system. That it be answered with theory of the subject
Transcribed Image Text:Water
15°C
0.8 m/s
SL = 4 cm
+
D = 1 cm
S
= 90°C
ST = 3 cm
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