1) Draw the thermal resistance network representing heat transfer through the shell. 2) Determine the heat rate transfer under steady state conditions (W) 3) Determine the emissive power being emitted from the outside of the cylindrical tank (W). You can ignore emission from the top and bottom surfaces.
1) Draw the thermal resistance network representing heat transfer through the shell. 2) Determine the heat rate transfer under steady state conditions (W) 3) Determine the emissive power being emitted from the outside of the cylindrical tank (W). You can ignore emission from the top and bottom surfaces.
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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1) Draw the thermal resistance network representing heat transfer through the shell.
2) Determine the heat rate transfer under steady state conditions (W)
3) Determine the emissive power being emitted from the outside of the cylindrical tank (W). You can ignore emission from the top and bottom surfaces.
Transcribed Image Text:I T,
T3=70°C
1.5 m
T=25°C
(2)
100 kPa
2 cm
A pressurized cylindrical tank of water (p = 1000 kg/m³) has a 2 cm diameter orifice at the bottom
where water discharges to the atmosphere. The water level is 1.5 m above the outlet (this is also the
total height of the tank). The tank pressure at state 1 is 150 kPa (absolute) while atmospheric
%3D
pressure is 100 kPa. The inner diameter of the tank is 95 cm and the outer diameter is 100 cm.
The tank is made of stainless steel (k = 15 W/mK) and the outside wall is maintained at 70°C to keep
%3D
the water warm until discharged. The convection coefficient on the outside of the tank is 10 W/m2K
and its emissivity is 0.5. The ambient temperature is 25°C.
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