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Velocity Profile in Fluid Flow Video Lecture | Civil Engineering Optional Notes for UPSC
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FAQs on Velocity Profile in Fluid Flow Video Lecture - Civil Engineering Optional Notes for UPSC
| 1. What is a velocity profile in fluid flow? |  |
Ans. In fluid dynamics, a velocity profile refers to the distribution of velocity of fluid particles along a channel or pipe. It provides information on how the velocity of the fluid changes with respect to distance from the boundary.
| 2. How is a velocity profile measured in fluid flow? | |
Ans. Velocity profiles in fluid flow are often measured using techniques such as laser Doppler velocimetry, particle image velocimetry, or hot-wire anemometry. These methods allow researchers to visualize and quantify the velocity distribution in the fluid.
| 3. What factors affect the shape of a velocity profile in fluid flow? | |
Ans. The shape of a velocity profile in fluid flow is influenced by factors such as the type of flow (laminar or turbulent), the viscosity of the fluid, the roughness of the boundary, and the velocity of the flow. These factors can change the velocity distribution significantly.
| 4. Why is understanding the velocity profile important in fluid dynamics? | |
Ans. Understanding the velocity profile in fluid flow is crucial for various engineering applications, such as designing efficient pipelines, optimizing heat transfer processes, and predicting fluid behavior in different flow conditions. It helps engineers make informed decisions about fluid flow systems.
| 5. How does the velocity profile vary in laminar and turbulent flow? | |
Ans. In laminar flow, the velocity profile is typically parabolic, with the highest velocity at the center of the pipe and zero velocity at the walls. In turbulent flow, the velocity profile is flatter and more uniform, with greater mixing of fluid particles across the cross-section.
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Nov 22, 2024 Last updated |
Video Description: Velocity Profile in Fluid Flow for UPSC 2024 is part of Civil Engineering Optional Notes for UPSC preparation.
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