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Title:
ELIMINATING TURBULENCE IN WALL-BOUNDED FLOWS BY DISTORTING THE FLOW VELOCITY DISTRIBUTION IN A DIRECTION PERPENDICULAR TO THE WALL
Document Type and Number:
WIPO Patent Application WO/2014/140373
Kind Code:
A3
Abstract:
For eliminating turbulence in a wall-bounded turbulent flow comprising a flow velocity distribution in a direction perpendicular to the wall, the flow velocity distribution in the direction perpendicular to the wall is distorted. This may be done by locally generating additional vortices in the turbulent flow close to the flow-bounding wall, which are distributed over a section of the flow-bounding wall extending in a main flow direction of the turbulent flow, and whose axes predominantly extend parallel to the flow-bounding wall. Distorting the flow velocity distribution in the direction perpendicular to the wall may also be achieved by increasing the flow velocity close to the flow-bounding wall by locally immersing a flow deviating structure in the turbulent flow, or by equalizing the flow velocity distribution in the direction perpendicular to the wall by locally immersing a flow dividing structure in the turbulent flow.

Inventors:
HOF BJÖRN (AT)
AVILA CANELLAS MARC (DE)
KÜHNEN JAKOB (AT)
SONG BAOFANG (AT)
Application Number:
PCT/EP2014/055329
Publication Date:
March 12, 2015
Filing Date:
March 17, 2014
Export Citation:
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Assignee:
INST OF SCIENCE AND TECHNOLOGY AUSTRIA (AT)
International Classes:
F15D1/02; F15D1/00
Domestic Patent References:
WO2001006134A12001-01-25
WO2009044764A12009-04-09
Foreign References:
US20120223190A12012-09-06
US5074324A1991-12-24
FR2461136A11981-01-30
JPS58146706A1983-09-01
DE202006009374U12006-10-05
EP0332942A11989-09-20
US20070137717A12007-06-21
Other References:
B. HOF ET AL: "Eliminating Turbulence in Spatially Intermittent Flows", SCIENCE, vol. 327, no. 5972, 19 March 2010 (2010-03-19), pages 1491 - 1494, XP055133778, ISSN: 0036-8075, DOI: 10.1126/science.1186091
Attorney, Agent or Firm:
REHBERG HÜPPE + PARTNER PATENTANWÄLTE PARTG MBB (Göttingen, DE)
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