What is hydrodynamic entry region? - Heat Transfer

Q.  Assume fluid flowing in a tube forcefully. The velocity boundary layer develops along the tube. Thickness of this boundary layer increases in the flow direction until the boundary layer reaches the tube centre. This region from the tube inlet to the point at which the boundary layers merge at the centerline is called as
- Published on 12 Aug 15

a. laminar entry region
b. hydraulic entry region
c. hydrostatic entry region
d. hydrodynamic entry region

ANSWER: hydrodynamic entry region

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