Chemical Engineering - Fluid Mechanics - Discussion
Discussion Forum : Fluid Mechanics - Section 1 (Q.No. 46)
46.
For a particle settling in water at its terminal settling velocity, which of the following is true ?
Discussion:
2 comments Page 1 of 1.
Kasyap said:
4 months ago
When a particle falls in water, at first it speeds up. But after some time, it reaches a constant speed — this is called terminal settling velocity.
At this point;
Weight of the particle pulls it down.
Buoyant force (from water) pushes it up.
Drag force (resistance from water) also pushes it up.
At this point;
Weight of the particle pulls it down.
Buoyant force (from water) pushes it up.
Drag force (resistance from water) also pushes it up.
(1)
Rahul said:
3 years ago
Terminal velocity is the maximum velocity attainable by an object as it falls through a fluid. It occurs when the sum of the drag force and the buoyancy is equal to the downward force of gravity acting on the object.
(1)
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