Question
Download Solution PDFIf the velocity of the fluid does NOT change with respect to time, the flow is said to be a/an:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Uniform flow is defined as the type of flow in which the velocity at any given time does not change with respect to space.
\({\left( {\frac{{\partial V}}{{\partial s}}} \right)_{t = const}} = 0\)
Non-Uniform Flow is defined as the type of flow in which the velocity at any given time changes with respect to space.
\({\left( {\frac{{\partial V}}{{\partial s}}} \right)_{t = const}} \ne 0\)
When the velocity and other hydrodynamic parameters changes from one point to another the flow is defined as non-uniform.Non - uniform Flow: When the fluid properties change with respect to space, the type of flow is known as Non - uniform flow.
Steady Flow: When the fluid properties do not change with respect to time, then the flow is known as steady flow.
Unsteady flow: When the fluid properties change with respect to time, then the flow is known as unsteady flow.
Rotational flow: When the fluid particles rotate about their centre of mass, then the flow is known as rotational flow.
- The flow of liquid through a long pipe of constant diameter at a constant rate is a steady uniform flow
- The flow of liquid through a long pipeline of constant diameter, at either increasing or decreasing rate, is unsteady – uniform flow
- The flow of liquid through a tapering pipe at a constant rate is a steady non – uniform flow
- The flow through a tapering pipe at either increasing or decreasing rate is unsteady – non – uniform flow.
Last updated on May 28, 2025
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