The submarine in Question #4 |has now moved to the gulf of Mexico, where the water temperature is 12°C. Using the same nuclear-powered heater with the same heating capacity as in Q4 the steady state surface temperature of the submarine was measured to be 30°C. What is the average convection coefficient of the water current around the submarine in this condition?
The submarine in Question #4 |has now moved to the gulf of Mexico, where the water temperature is 12°C. Using the same nuclear-powered heater with the same heating capacity as in Q4 the steady state surface temperature of the submarine was measured to be 30°C. What is the average convection coefficient of the water current around the submarine in this condition?
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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Don't do number 4 but use as refer to it in other problem those part. Answer the other question NOT 4. Attempt Once Please. Answer all parts please
Transcribed Image Text:. The submarine in Question #4
|has now moved to the gulf of Mexico, where the water temperature is
Q4 the steady state
12°C. Using the same nuclear-powered heater with the same heating capacity as in
surface temperature of the submarine was measured to be 30°C. What is the average convection coefficient
of the water current around the submarine in this condition?
Transcribed Image Text:4.
This problem is an example. A small submarine is operating under the arctic sea, where the
water temperature is 4°C. The arctic current produce a convection coefficient of 22 W/m².K around
the submarine. The submarine can be approximated as a cylinder of 12 m diameter and 90 m length.
In order to maintain habitable conditions inside, the submarine has to maintain 25°C temperature
on its outer surface. To maintain this temperature, the submarine uses a large nuclear-powered
heater. Under steady conditions, what is the total heat generation rate for the heater to mainting
this condition?
Expert Solution
Step 1
Given:
for 4
Ts = 25 deg C
Tinf = 4 deg C
For new problem
Ts = 30 deg
Tinf = 12 deg C
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