Major: Mechanical Engineering , Course: ME322 ( Mechanical Engineering Systems Laboratory )Q: Which surface improves the least temperature difference with forced convection and which improves the most. Can you explain this? What does it say about the amount of heat transferred to the surrounding air?Write the related general equations or a fundamental reference that defines the amount of heat transferred from a flat and pinned surface to the air. State all the parameters in the equations clearly with their units in SI system. Power = 15 wAir Velocity, V = 0 (free convection)T2TiHeat TransferDifferenceSurfaceDuct Inlet (Ambient)SurfaceT3-Tin(°C)T:(°C)Tin(°C)Flat Plate73.821.252.6Pinned Plate46.221.125.1Finned Plate51.221.929.3Power = 15 WAir Velocity, V = 2 m/s (forced convection)T2T1Heat TransferDifferenceSurfaceDuct Inlet (Ambient)SurfaceT3-Tin(°C)T3('C)Tin(°C)Flat Plate66.821.944.9Pinned Plate34.821.413.4Finned Plate41.921.620.3

The pinned surface was expected to be the most beneficial when it comes to forced convection. Pins…

Answered: Major: Mechanical Engineering , Course:…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Major: Mechanical Engineering , Course: ME322 ( Mechanical Engineering Systems Laboratory )

Which surface improves the least temperature difference with forced convection and which improves the most. Can you explain this? What does it say about the amount of heat transferred to the surrounding air?
Write the related general equations or a fundamental reference that defines the amount of heat transferred from a flat and pinned surface to the air. State all the parameters in the equations clearly with their units in SI system.

Power = 15 w
Air Velocity, V = 0 (free convection)
T2
Ti
Heat Transfer
Difference
Surface
Duct Inlet (Ambient)
Surface
T3-Tin(°C)
T:(°C)
Tin(°C)
Flat Plate
73.8
21.2
52.6
Pinned Plate
46.2
21.1
25.1
Finned Plate
51.2
21.9
29.3
Power = 15 W
Air Velocity, V = 2 m/s (forced convection)
T2
T1
Heat Transfer
Difference
Surface
Duct Inlet (Ambient)
Surface
T3-Tin(°C)
T3('C)
Tin(°C)
Flat Plate
66.8
21.9
44.9
Pinned Plate
34.8
21.4
13.4
Finned Plate
41.9
21.6
20.3

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