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Smoke rising from a flame. At first the smoke rises with laminar flow before becoming turbulent just a few centimetres above the source.

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Why poiseuille equation not applied to turbulent flow?

Coz poiseuille eq is for poiseuille flow, which is a laminar flow, not turbulent flow. And it also need to be a fully developed , pressure driven flow.


Empirical equations used in a turbulent flow system?

there are many empirical constellations in turbulent flow depending upon the conditions like whether flow is internal or external, flow over a flat plate of pipe etc. so its better to refer a book on fluid mechanics.


What are examples of laminar and turbulent flow?

The Reynolds number, Re = VD/υ, can be used to measure the laminarity of flow. The smaller the Reynolds number, the more laminar the flow. Therefore, to achieve better laminar flow, V and D (velocity of fluid and diameter of pipe) should be small and υ, the kinematic viscosity of the fluid, should be large. Therefore, since pipe diameter and viscosity is fixed in this circumstance, the slower the velocity of the flow, the more laminar the flow. Open the faucet to a small degree and the flow will be laminar. Turn the facet open fully will (for some faucets) cause turbulent flow depending on the maximum velocity of water allowed by the faucet.


Give examples of objects are designed to reduce the amount turbulent flow of air or water over them.?

Objects designed to reduce turbulent flow include streamlined vehicles like airplanes and cars, which feature aerodynamic shapes that minimize drag. Boat hulls are also designed with smooth, elongated forms to promote laminar flow and reduce turbulence in water. Additionally, wind turbine blades are crafted to optimize airflow, enhancing efficiency by decreasing turbulence around the blades. These designs enhance performance and stability by ensuring smoother flow dynamics.


Is Bernoulli equation applicable for unsteady flow?

The equation assumes steady state or laminar flow and hence cannot be used for turbulent flows.

Related Questions

What is turbulent flow?

Turbulent flow


What are some examples of turbulent flow?

a block, Ping Pong ball or golf ball, kite, or simply running in the shallow pool. There are alot of things that have turbulent flow..... ping pong balls do not have turbulent flow nor does golf balls it has laminar flow things that have turbulent flow would be a bus, a hand out the window in a y axis or just a simple building or sky scrapper basically anything with a flat surface has turbulent flow


What are some examples of flow?

a block, Ping Pong ball or golf ball, kite, or simply running in the shallow pool. There are alot of things that have turbulent flow..... ping pong balls do not have turbulent flow nor does Golf balls it has laminar flow things that have turbulent flow would be a bus, a hand out the window in a y axis or just a simple building or sky scrapper basically anything with a flat surface has turbulent flow


What are three examples of turbulent flow?

Wind turbulence caused by changes in terrain or buildings. Ocean turbulence near the surface due to wave interactions. Turbulent flow in rivers and streams around bends or obstacles.


How is turbulent flow different from laminar flow?

gago..


Why poiseuille equation not applied to turbulent flow?

Coz poiseuille eq is for poiseuille flow, which is a laminar flow, not turbulent flow. And it also need to be a fully developed , pressure driven flow.


Which transports more sediment a laminar flow or a turbulent flow?

Turbulent flow transports more sediment than laminar flow due to the increased velocity and mixing of particles in turbulent flow. This helps to keep sediments suspended and advected downstream more effectively.


What measure will cause a laminar flow to become turbulent?

Increasing the velocity of the fluid will cause a laminar flow to become turbulent.


What are disadvantages and advantages of turbulent flow?

Advantage: objects in a turbulent flow experience less drag. Disadvantage: turbulent flows are unstable meaning velocity and pressures change rapidly. The objects in the flow have less stability. The flow also is more difficult to model then a laminar flow.


What are the Advantages and disadvantages for turbulent flow?

Advantages of turbulent flow include increased mixing and heat transfer rates, which can be beneficial in certain industrial processes. However, turbulent flow also requires higher energy inputs and can result in increased frictional losses compared to laminar flow. Additionally, it can be more challenging to predict and model turbulent flow behavior accurately.


Would you prefer turbulent flow or laminar flow for whitewater rafting?

As we know, whitewater rafting is in water, in which turbulent flow would be best in the case. Generally because the water will NOT be straight, and this activity is where the water flow is rather rough then smooth. Overall, turbulent flow is best used in this scenario.


What is the translation from laminar to turbulent flow?

Laminar flow refers to smooth, orderly flow with predictable patterns, while turbulent flow is characterized by chaotic, irregular movement with swirling vortices and mixing. The transition from laminar to turbulent flow occurs when the flow speed or viscosity of the fluid increases, leading to the breakdown of laminar layers and the onset of turbulence.