Oil flows between two very long parallel plates, separated from H, with width b. The bottom plate moves with speed U and is isolated. The upper plate is at rest and receives heat from the environment at a rate equal to qs". Consider laminar flow, thermally developed. Due to the high viscosity of the fluid, viscous dissipation is relevant H. U www isolada 1- Estimate the velocity profile considering the null pressure gradient and determine the average speed. 2. Determine dissipation per volume unit. 3. Set mixing temperature and determine the mixing temperature variation over the plates.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Oil flows between two very long parallel
plates, separated from H, with width b. The
bottom plate moves with speed U and is
isolated. The upper plate is at rest
and receives heat from the environment at
a rate equal to qs". Consider laminar flow,
thermally developed. Due to the high
viscosity of the fluid, viscous dissipation is
relevant
U
isolada
1 - Estimate the velocity profile considering
the null pressure gradient and determine the
average speed.
2. Determine dissipation per volume unit.
3. Set mixing temperature and determine the
mixing temperature variation over the plates.
Transcribed Image Text:Oil flows between two very long parallel plates, separated from H, with width b. The bottom plate moves with speed U and is isolated. The upper plate is at rest and receives heat from the environment at a rate equal to qs". Consider laminar flow, thermally developed. Due to the high viscosity of the fluid, viscous dissipation is relevant U isolada 1 - Estimate the velocity profile considering the null pressure gradient and determine the average speed. 2. Determine dissipation per volume unit. 3. Set mixing temperature and determine the mixing temperature variation over the plates.
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