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Consider the following statements: 1) At low Reynolds numbers of any flow, viscous forces dominate over inertial forces. 2) Transition from laminar to turbulent flow occurs over a range of Reynolds numbers depending on the surface presented to the flow. Which of the above statements is/are correct?
Which of the following statements is/are CORRECT regarding the flow of fluid? a) All fluid layers are parallel to each other in case of turbulent flow. b) The Reynold’s number is less than 2000 for turbulent flow and greater than 4000 for laminar flow. c) Two fluid layers don’t cross each other in case of laminar flow
Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as
The Reynolds number is found out for a flow in a circular pipe. This circular pipe is moulded into a square pipe, keeping length of the pipe same. Ignore the thickness of the pipe. The Reynolds number changes by __________
Laminar flow of a Newtonion fluid ceases to exist, when the Reynolds number exceeds
For pipes, laminar flow occurs when Reynolds number is
Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is
The laminar flow is characterized by Reynolds number which is
What can be the maximum diameter of the pipe for the water flow of velocity 1 m/s (ν = 10-6) to be laminar in nature? Assume Lower critical Reynolds number to be 2100.
For laminar flow, Reynolds number should be