RU2013134430A - METHOD FOR REDUCING GAS FLOW FRICTION ON A FLOWED SURFACE - Google Patents
METHOD FOR REDUCING GAS FLOW FRICTION ON A FLOWED SURFACE Download PDFInfo
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- RU2013134430A RU2013134430A RU2013134430/11A RU2013134430A RU2013134430A RU 2013134430 A RU2013134430 A RU 2013134430A RU 2013134430/11 A RU2013134430/11 A RU 2013134430/11A RU 2013134430 A RU2013134430 A RU 2013134430A RU 2013134430 A RU2013134430 A RU 2013134430A
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- suction
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- blowing
- streamlined surface
- velocity
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Abstract
1. Способ снижения трения газового потока на обтекаемой поверхности путем поперечного отсоса потока через перфорацию в обтекаемой поверхности, отличающийся тем, что поперечный отсос газа осуществляют дискретно на отдельных перфорированных участках, расположенных последовательно на обтекаемой поверхности вдоль направления потока, и периодически чередуют отсос с поперечным выдувом, при этом отсос и выдув проводят дифференцированно, со сдвигом фаз отсоса и выдува на соседних участках и создают таким образом у обтекаемой поверхности поперечные волны, бегущие в направлении потока.2. Способ по п.1, отличающийся тем, что величину скорости поперечных бегущих волн у обтекаемой поверхности создают равной или близкой скорости газового потока.3. Способ по п.1, отличающийся тем, что амплитуду поперечных бегущих волн создают близкой к толщине пограничного слоя на обтекаемой поверхности при прекращении отсоса и выдува.1. A method of reducing friction of a gas stream on a streamlined surface by means of a transverse suction of a stream through perforations in a streamlined surface, characterized in that the transverse suction of gas is carried out discretely on individual perforated sections arranged sequentially on the streamlined surface along the direction of flow, and periodically alternating suction with transverse blowing , while suction and blowing are carried out differentially, with a phase shift of the suction and blowing in adjacent sections and thus create a pop Shear waves traveling in the direction of flow. 2. The method according to claim 1, characterized in that the value of the velocity of the transverse traveling waves at the streamlined surface is created equal to or close to the velocity of the gas stream. The method according to claim 1, characterized in that the amplitude of the transverse traveling waves is created close to the thickness of the boundary layer on the streamlined surface upon termination of suction and blowing.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2013134430/11A RU2542824C2 (en) | 2013-07-24 | 2013-07-24 | Method of reduction of friction of gas flow on streamlined surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2013134430/11A RU2542824C2 (en) | 2013-07-24 | 2013-07-24 | Method of reduction of friction of gas flow on streamlined surface |
Publications (2)
Publication Number | Publication Date |
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RU2013134430A true RU2013134430A (en) | 2015-01-27 |
RU2542824C2 RU2542824C2 (en) | 2015-02-27 |
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Family Applications (1)
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RU2013134430/11A RU2542824C2 (en) | 2013-07-24 | 2013-07-24 | Method of reduction of friction of gas flow on streamlined surface |
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RU (1) | RU2542824C2 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2015941C1 (en) * | 1991-10-14 | 1994-07-15 | Научно-производственное предприятие "Триумф" | Method to control boundary layer on aerodynamic surface of aircraft |
DE102004024007B4 (en) * | 2004-05-13 | 2007-10-11 | Airbus Deutschland Gmbh | Aircraft component, in particular wings |
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2013
- 2013-07-24 RU RU2013134430/11A patent/RU2542824C2/en active
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RU2542824C2 (en) | 2015-02-27 |
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