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If the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant, the flow is _______.
- a)Uniform flow
- b)Steady flow
- c)Turbulent flow
- d)Laminar flow
Correct answer is option 'C'. Can you explain this answer?
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If the particles of a fluid attain such velocities that vary from poin...
In fluid dynamics, turbulent flow is characterized by the irregular movement of particles of the fluid. In contrast to laminar flow the fluid does not flow in parallel layers, the lateral mixing is very high, and there is a disruption between the layers. In turbulent flow the speed of the fluid at a point is continuously undergoing changes in both magnitude and direction.
Most Upvoted Answer
If the particles of a fluid attain such velocities that vary from poin...
Turbulent flow is the correct answer.
Explanation:
Turbulent flow refers to the flow of fluids in which the particles attain velocities that vary in magnitude and direction from point to point as well as from instant to instant. This type of flow is characterized by chaotic and irregular motion of fluid particles.
There are several key features of turbulent flow that differentiate it from other types of flow:
1. Random motion: In turbulent flow, fluid particles move in a random and unpredictable manner. This is in contrast to laminar flow, where particles move in a smooth and orderly fashion.
2. Mixing and diffusion: Turbulent flow promotes mixing and diffusion of fluid particles. The chaotic motion of particles causes them to mix with neighboring particles, leading to enhanced mixing and dispersion of fluid properties such as temperature and concentration.
3. High Reynolds number: Turbulent flow occurs at high Reynolds numbers, which is a dimensionless parameter that characterizes the flow regime. A high Reynolds number indicates that the flow is dominated by inertial forces, leading to turbulence.
4. Enhanced heat and mass transfer: Turbulent flow enhances heat and mass transfer between the fluid and its surroundings. The turbulent motion of particles increases the contact area between the fluid and solid surfaces, allowing for efficient transfer of heat and mass.
5. Increased fluid resistance: Turbulent flow is associated with increased fluid resistance compared to laminar flow. The irregular motion of particles creates more frictional drag, resulting in higher pressure drop and energy losses in the system.
Turbulent flow is commonly observed in many natural and industrial processes, such as river flows, atmospheric turbulence, combustion systems, and turbulent mixing in chemical reactors. Understanding and predicting turbulent flow behavior is important in various engineering applications, as it can significantly affect the performance and efficiency of fluid systems.
In conclusion, turbulent flow is characterized by the random and chaotic motion of fluid particles, and it occurs when the particles attain velocities that vary in magnitude and direction from point to point as well as from instant to instant.
Explanation:
Turbulent flow refers to the flow of fluids in which the particles attain velocities that vary in magnitude and direction from point to point as well as from instant to instant. This type of flow is characterized by chaotic and irregular motion of fluid particles.
There are several key features of turbulent flow that differentiate it from other types of flow:
1. Random motion: In turbulent flow, fluid particles move in a random and unpredictable manner. This is in contrast to laminar flow, where particles move in a smooth and orderly fashion.
2. Mixing and diffusion: Turbulent flow promotes mixing and diffusion of fluid particles. The chaotic motion of particles causes them to mix with neighboring particles, leading to enhanced mixing and dispersion of fluid properties such as temperature and concentration.
3. High Reynolds number: Turbulent flow occurs at high Reynolds numbers, which is a dimensionless parameter that characterizes the flow regime. A high Reynolds number indicates that the flow is dominated by inertial forces, leading to turbulence.
4. Enhanced heat and mass transfer: Turbulent flow enhances heat and mass transfer between the fluid and its surroundings. The turbulent motion of particles increases the contact area between the fluid and solid surfaces, allowing for efficient transfer of heat and mass.
5. Increased fluid resistance: Turbulent flow is associated with increased fluid resistance compared to laminar flow. The irregular motion of particles creates more frictional drag, resulting in higher pressure drop and energy losses in the system.
Turbulent flow is commonly observed in many natural and industrial processes, such as river flows, atmospheric turbulence, combustion systems, and turbulent mixing in chemical reactors. Understanding and predicting turbulent flow behavior is important in various engineering applications, as it can significantly affect the performance and efficiency of fluid systems.
In conclusion, turbulent flow is characterized by the random and chaotic motion of fluid particles, and it occurs when the particles attain velocities that vary in magnitude and direction from point to point as well as from instant to instant.
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If the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant, the flow is _______.a)Uniform flowb)Steady flowc)Turbulent flowd)Laminar flowCorrect answer is option 'C'. Can you explain this answer?
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