Title:
"SYSTEM AND METHOD USING A FLEXIBLE COMPOSITE SHEET FOR ENHANCED HEAT TRANSFER AND REDUCED FLOW DRAG"
Document Type and Number:
WIPO Patent Application WO2003067169
Kind Code:
A3
Abstract:
A flexible composite sheet or FCS (100) comprising a membrane (102), a substrate (106) coupled to the membrane (100), and a plurality of ridges (104) coupled between the membrane (102) and the substrate (106), wherein a vibratory motion (112) is induced from the flow (114) to at least one segment of the membrane (102) spanning a distance s, wherein the vibratory motion (112) is reflected from at least one segment of the membrane (102) to the flow (114), and wherein a reduction in fluctuations is caused in the flow pressure gradient and free stream velocity U at all frequencies except around f, where f = U/s. The flexible composite sheet of FCS (100) may be coupled to a heat exchanger, a heat sink (350), a wing (15) of an aircraft (140), or a fan.
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Inventors:
SINHA SUMON KUMAR (US)
Application Number:
PCT/US2003/003362
Publication Date:
July 28, 2005
Filing Date:
February 03, 2003
Export Citation:
Assignee:
SINHA SUMON KUMAR (US)
International Classes:
B64C21/10; F15D1/12; F28F3/02; F28F13/02; (IPC1-7): F28F7/00
Foreign References:
| US4279244A | 1981-07-21 | |||
| US4859265A | 1989-08-22 | |||
| US5345995A | 1994-09-13 | |||
| US5839133A | 1998-11-24 |
Other References:
See also references of EP 1579164A4
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