flow separation वाक्य
उदाहरण वाक्य
मोबाइल
- At high speeds interference between the wing and pylon flow fields caused flow separation which limited the cruise Mn to 0.65.
- He investigated how flow separation on the undersurface channel could be influenced by boundary layer suction and divergence parameters of the underbody surface.
- Its expansion ratio can be designed for low ambient air pressures, without risking flow separation and flight instability during low-altitude flight.
- Tilting-disc valves have flow separation behind the valve struts and disc as a result of a combination of high velocity and stagnant flows.
- The development engine has " an expansion ratio of just 150, the maximum possible within Earth s atmosphere " to prevent flow separation problems.
- The cause of the crash was attributed to the onset of " Dutch roll " stemming from control instability as induced by flow separation.
- It may be desirable to reduce flow separation on fast vehicles to reduce the size of the wake ( streamlining ), which may reduce drag.
- This shape is in contrast to subsonic airfoils, which often have rounded leading edges to reduce flow separation over a wide range of angle of attack.
- If the flow separation occurs on the pressure side of the blade then it s known as negative stalling and this occurs due to negative incidence angle.
- The flow separation which occurs at high angles of attack enhances its turning ability, giving the missile a maximum turn rate of up to 150?per second.
- To reduce this drag, either the flow separation could be reduced or the surface area in contact with the fluid could be reduced ( to reduce friction drag ).
- It is found that the thin boundary layer detaches itself ( " flow separation " ) from the body at some point and this is where the wake begins to develop.
- The caged-ball designs experience high stresses at the walls that can damage cells, as well as flow separation due to high-velocity reverse flow surrounded by stagnant flow.
- Then, of course, you have to worry about flow separation and all those nice things . . . cool stuff ) 22 : 50, 21 September 2007 ( UTC)
- Consider for instance turbulence generated by the air flow around a tall building : the energy-containing eddies generated by flow separation have sizes of the order of tens of meters.
- The bottom edge of the bargeboard can also shed vortices that energize the airflow to the underbody, which can help delay flow separation and allow the use of more aggressive diffuser profiles.
- For a well designed aircraft, zero-lift drag ( or parasite drag ) is mostly made up of skin friction drag plus a small percentage of pressure drag caused by flow separation.
- This is because many vehicles have a fairly steep downward angle going from the rear edge of the roof down to the trunk or tail of the car which may cause air flow separation.
- At low flow rates the incidence angle or angle of attack increases and due to this there occurs the flow separation on the suction side of the blades which is known as positive stalling.
- Vortex generators are positioned obliquely so that they have an angle of attack with respect to the local airflow also delay flow separation at high angles of attack by re-energizing the boundary layer.
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