Question

Can a mixture of 2 liquids show streamline flow?

SOURCE: NCERT Physics, Class 11, Mechanical Properties of Fluids

Answer 1

Answer:

yes a mixture of 2 liquids show streamline flow.

Answer 2

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✯ No a mixture of 2 liquids show streamline flow.

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Streamline flow in case of fluids is referred to as the type of flow where the fluids flow in separate layers without mixing or disruption occurring in between the layers at a particular point. The velocity of each fluid particle flowing will remain constant with time in streamline flow.

In case of low fluid velocities, the fluid will flow without any sort of lateral mixing because of lack of turbulent velocity fluctuations. The fluid particles tend to follow a particular order where the movement or motion of fluid particles will be on the basis of particles flowing in a straight line parallel to the pipe wall. The movement happens in a way that the adjacent layers of the fluid will smoothly slide past each other.

Examples of Streamline and Turbulent Flows

Notice water flowing from a tap at a different flow rate. You will observe that when the flow rate is low the water flowing from the tap will run smoothly and the water will have a smooth texture. However, if you gradually keep on increasing the flow rate you will begin to see the disturbances and voids after a particular point of increasing the flow rate.

Now, in both cases, the introduction of ink will give different results. When you will introduce a stream of ink in the first case where water is flowing smoothly, the ink will not mix with other layers. However, if we introduce the ink in case of turbulent flow, the ink will mix with other layers of water. The first type of condition is a streamline flow.

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