Estimate the distance from the entrance


Discuss the below:

Q: Air at 20°C flows at 1 m/s between two parallel flat plates spaced 5 cm apart. Estimate the distance from the entrance where the hydrodynamic boundary layers meet.

GIVEN

Air flows between two parallel flat plates

Air speed (U) = 1m/s

Distance between the plates (D) = 5 cm = 0.05 m

Air temperature = 20°C

ASSUMPTIONS

Steady state

Laminarflow

282_Flat plate.jpg

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Mechanical Engineering: Estimate the distance from the entrance
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