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Laminar flow between closely spaced parallel plates is governed by the consideration of which one of the following pair of forces?
- a)Pressure and inertial forces
- b)Gravity and inertial forces
- c)Viscous and inertial forces
- d)Pressure and viscous forces
Correct answer is option 'D'. Can you explain this answer?
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Laminar flow between closely spaced parallel plates is governed by the...
Laminar flow between closely spaced parallel plates is governed by the consideration of pressure and viscous forces.
Pressure forces:
Pressure forces represent the force exerted by the fluid on the walls of the channel. In the case of laminar flow between closely spaced parallel plates, the pressure forces act perpendicular to the direction of flow. These forces are responsible for maintaining the flow of the fluid between the plates and ensuring that the fluid moves smoothly without any disruptions.
Viscous forces:
Viscous forces arise due to the internal friction between the layers of the fluid as they flow past each other. In laminar flow, the fluid flows in parallel layers, and the viscous forces act tangentially to these layers. These forces are responsible for the development of velocity gradients within the fluid, where the fluid near the walls moves slower than the fluid in the center.
Interaction between pressure and viscous forces:
In the case of laminar flow between closely spaced parallel plates, the pressure forces and viscous forces interact with each other. The pressure forces drive the fluid between the plates, while the viscous forces oppose the motion of the fluid by creating a resistance due to internal friction.
The balance between these two forces determines the behavior of the laminar flow. If the pressure forces dominate over the viscous forces, the fluid moves smoothly between the plates with a constant velocity profile. However, if the viscous forces become significant compared to the pressure forces, the fluid may experience significant velocity gradients and flow disturbances, leading to the transition from laminar to turbulent flow.
Conclusion:
In conclusion, the laminar flow between closely spaced parallel plates is governed by the consideration of both pressure and viscous forces. These forces interact with each other to determine the behavior of the flow and ensure the smooth movement of the fluid between the plates.
Pressure forces:
Pressure forces represent the force exerted by the fluid on the walls of the channel. In the case of laminar flow between closely spaced parallel plates, the pressure forces act perpendicular to the direction of flow. These forces are responsible for maintaining the flow of the fluid between the plates and ensuring that the fluid moves smoothly without any disruptions.
Viscous forces:
Viscous forces arise due to the internal friction between the layers of the fluid as they flow past each other. In laminar flow, the fluid flows in parallel layers, and the viscous forces act tangentially to these layers. These forces are responsible for the development of velocity gradients within the fluid, where the fluid near the walls moves slower than the fluid in the center.
Interaction between pressure and viscous forces:
In the case of laminar flow between closely spaced parallel plates, the pressure forces and viscous forces interact with each other. The pressure forces drive the fluid between the plates, while the viscous forces oppose the motion of the fluid by creating a resistance due to internal friction.
The balance between these two forces determines the behavior of the laminar flow. If the pressure forces dominate over the viscous forces, the fluid moves smoothly between the plates with a constant velocity profile. However, if the viscous forces become significant compared to the pressure forces, the fluid may experience significant velocity gradients and flow disturbances, leading to the transition from laminar to turbulent flow.
Conclusion:
In conclusion, the laminar flow between closely spaced parallel plates is governed by the consideration of both pressure and viscous forces. These forces interact with each other to determine the behavior of the flow and ensure the smooth movement of the fluid between the plates.
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Laminar flow between closely spaced parallel plates is governed by the...
Presure and viscous
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Laminar flow between closely spaced parallel plates is governed by the consideration of which one of the following pair of forces?a)Pressure and inertial forcesb)Gravity and inertial forcesc)Viscous and inertial forcesd)Pressure and viscous forcesCorrect answer is option 'D'. Can you explain this answer?
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