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In a two-dimensional flow of a viscous fluid, couette flow is defined for
- a)pressure-gradient-driven laminar flow between fixed parallel plates
- b)pressure-gradient-driven laminar flow through non-circular duct
- c)pressure-gradient driven laminar flow through pipe
- d)laminar flow between a fixed and a moving plate
Correct answer is option 'D'. Can you explain this answer?
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In a two-dimensional flow of a viscous fluid, couette flow is defined ...
Coutte flow is characterized as flow of very low value of Reynolds number between two parallel
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In a two-dimensional flow of a viscous fluid, couette flow is defined ...
Couette flow:
Couette flow is a type of two-dimensional flow of a viscous fluid. It occurs between two parallel plates, where one plate is fixed and the other plate is moving at a constant velocity. This flow is characterized by the shearing motion of the fluid layers between the plates.
Options:
Let's analyze each option to determine the correct answer.
a) Pressure-gradient-driven laminar flow between fixed parallel plates:
In this scenario, the flow between the parallel plates is driven by a pressure gradient. However, both plates are fixed, which contradicts the definition of Couette flow where one plate is moving. Therefore, option (a) is incorrect.
b) Pressure-gradient-driven laminar flow through non-circular duct:
This option refers to the flow through a non-circular duct. Couette flow specifically occurs between parallel plates and does not involve a duct. Hence, option (b) is incorrect.
c) Pressure-gradient driven laminar flow through pipe:
Similar to option (b), this option refers to flow through a pipe. Couette flow does not occur in a pipe but between parallel plates. Therefore, option (c) is incorrect.
d) Laminar flow between a fixed and a moving plate:
This option exactly describes Couette flow. It involves laminar flow between two parallel plates, where one plate is fixed and the other plate is moving. The velocity difference between the plates creates a shearing motion, resulting in the Couette flow. Hence, option (d) is the correct answer.
Conclusion:
Couette flow is a specific type of two-dimensional flow that occurs between two parallel plates, where one plate is fixed and the other plate is moving. Among the given options, option (d) is the correct definition of Couette flow.
Couette flow is a type of two-dimensional flow of a viscous fluid. It occurs between two parallel plates, where one plate is fixed and the other plate is moving at a constant velocity. This flow is characterized by the shearing motion of the fluid layers between the plates.
Options:
Let's analyze each option to determine the correct answer.
a) Pressure-gradient-driven laminar flow between fixed parallel plates:
In this scenario, the flow between the parallel plates is driven by a pressure gradient. However, both plates are fixed, which contradicts the definition of Couette flow where one plate is moving. Therefore, option (a) is incorrect.
b) Pressure-gradient-driven laminar flow through non-circular duct:
This option refers to the flow through a non-circular duct. Couette flow specifically occurs between parallel plates and does not involve a duct. Hence, option (b) is incorrect.
c) Pressure-gradient driven laminar flow through pipe:
Similar to option (b), this option refers to flow through a pipe. Couette flow does not occur in a pipe but between parallel plates. Therefore, option (c) is incorrect.
d) Laminar flow between a fixed and a moving plate:
This option exactly describes Couette flow. It involves laminar flow between two parallel plates, where one plate is fixed and the other plate is moving. The velocity difference between the plates creates a shearing motion, resulting in the Couette flow. Hence, option (d) is the correct answer.
Conclusion:
Couette flow is a specific type of two-dimensional flow that occurs between two parallel plates, where one plate is fixed and the other plate is moving. Among the given options, option (d) is the correct definition of Couette flow.
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In a two-dimensional flow of a viscous fluid, couette flow is defined fora)pressure-gradient-driven laminar flow between fixed parallel platesb)pressure-gradient-driven laminar flow through non-circular ductc)pressure-gradient driven laminar flow through piped)laminar flow between a fixed and a moving plateCorrect answer is option 'D'. Can you explain this answer?
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