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Flow control for a ...
Flow control for a simplified truck using an array of streamwise synthetic jets
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- Minelli, Guglielmo, 1988 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Liu, Tanghong, 1976 (författare)
- Central South University
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- Zhang, Jie, 1987 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Chernoray, Valery, 1975 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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Basara, Branislav, 1964 (författare)
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- Krajnovic, Sinisa, 1970 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- ISBN 9781567004687
- 2018
- 2018
- Engelska.
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Ingår i: Proceedings of the International Symposium on Turbulence, Heat and Mass Transfer. - 2377-2816. - 9781567004687 ; 2018-July, s. 665-676
- Relaterad länk:
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- LES simulations at Re = 1 × 10^5 and wind tunnel experiments at Re = 5 × 10^5 were conducted to investigate the beneficial effect of an active flow control (AFC) technique on the aerodynamic performance of a simplified truck geometry. The paper involves the investigation of a synthetic jet actuator characterized by periodic blowing and suction that defines a zero net mass flux flow control mechanism. The actuation aims to suppress the flow separation occurring at the A-pillar (front rounded corner) of a truck cabin. The work flow is defined as follow. First, LES at low Reynolds number are conducted for different disposition of the actuation slots. The results show a beneficial effect when the actuation slots are positioned in streamwise direction compared to spanwise (vertical) direction. Second, based on the previous considerations, wind tunnel experiments are conducted to verify and support the numerical findings. Both numerical solutions and experimental data show the same trend and the superiority of streamwise aligned AFC slots.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Strömningsmekanik och akustik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Fluid Mechanics and Acoustics (hsv//eng)
Nyckelord
- synthetic jets
- LES
- flow control
- Wind tunnel
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)
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