Laminar and turbulent flow, the liquid or object?

AI Thread Summary
A low Reynolds number indicates that viscous forces dominate over inertial forces, resulting in laminar flow. The term "laminar flow" specifically applies to the fluid, not the object itself. The flow around the object can be described as laminar, while the object remains unaffected in terms of exhibiting flow characteristics. Therefore, it is correct to say that the fluid is in a laminar flow regime around the object. This distinction clarifies the relationship between the object and the fluid dynamics involved.
rwooduk
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Please could someone verify this statement as I understand things:

If an object has a low reynolds number (or the fluid is very viscous) then it is dominated by viscous forces and inertia plays no role. The object is in a laminar flow regime.

That last part, is it correct? What I'm asking is, is it the object laminar flowing or is it the liquid that is laminar flowing?

Thanks for any help clearing this up.
 
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rwooduk said:
Please could someone verify this statement as I understand things:

If an object has a low reynolds number (or the fluid is very viscous) then it is dominated by viscous forces and inertia plays no role. The object is in a laminar flow regime.

That last part, is it correct? What I'm asking is, is it the object laminar flowing or is it the liquid that is laminar flowing?

Thanks for any help clearing this up.
The term laminar flow applies only to fluids, not objects.

Chet
 
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Chestermiller said:
The term laminar flow applies only to fluids, not objects.

Chet

Thanks for the reply.

So you would say, the object is subject to a laminar flow regime?
 
rwooduk said:
Thanks for the reply.

So you would say, the object is subject to a laminar flow regime?
No. If I understand you correctly, rigid objects to not exhibit laminar flow.

Chet
 
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You would say the flow around the object is laminar.
 
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That's great many thanks all.
 
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