期刊
JOURNAL OF AIRCRAFT
卷 51, 期 5, 页码 1618-1631出版社
AMER INST AERONAUTICS ASTRONAUTICS
DOI: 10.2514/1.C032490
关键词
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资金
- NASA Langley Research Center Environmentally Responsible Aviation program [NNL12AA09C]
- Analytical Mechanics Associates, Inc
The Subsonic Aircraft Roughness Glove Experiment is an in-flight experiment designed to meet the NASA Environmentally Responsible Aviation project requirements. The goal of the experiment was to demonstrate the discrete-roughness-element technology to delay transition on a swept wing at transport-relevant conditions and subject to crossflow instability. In this paper, a redesign of that experiment is described for a different aircraft (Gulfstream-IIB), meeting the same requirements, but using a new methodology that promotes infinite-swept-wing flow on the glove test article. The new glove has the designation TAMU-0706. Increasing the demonstrated capabilities of both natural laminar flow and discrete roughness elements is a large step toward practical laminar flow on transport aircraft Moreover, the infinite-swept-wing flow methodology not only increases the effective test region of the wing glove, but is well adapted for code-validation studies of discrete roughness element and other laminar-flow-control technologies.
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