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Experiment on multi...
Experiment on multimode feedback control of non-linear thermocapillary convection in a half-zone liquid bridge
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- Kudo, M. (författare)
- Tokyo University of Science, Chiba, Japan
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- Shiomi, J. (författare)
- University of Tokyo, Tokyo, Japan
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- Ueno, I. (författare)
- Tokyo University of Science, Chiba, Japan
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- Amberg, Gustav (författare)
- KTH,Fysiokemisk strömningsmekanik
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- Kawamura, H. (författare)
- Tokyo University of Science, Chiba, Japan
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(creator_code:org_t)
- Elsevier BV, 2005
- 2005
- Engelska.
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Ingår i: LOW GRAVITY PHENOMENA AND CONDENSED MATTER EXPERIMENTS IN SPACE. - : Elsevier BV. ; 36:4, s. 57-63
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Feedback control on was carried out on non-linear thermocapillary convections in a half-zone liquid bridge of a high Prandtl number fluid. In the liquid bridge, the convection changes from a two-dimensional steady flow to a three-dimensional oscillatory one at a critical temperature difference. Feedback control was realized by locally modifying the free surface temperature using local temperature measured at different positions. The present study aims to develop a new control scheme by taking spatio-temporal azimuthal distribution of temperature fluctuation into account. The new control scheme achieved significant attenuation of the temperature oscillation compared with the previous one in a high Marangoni number range.
Nyckelord
- non-linear thermocapillary convection
- feedback control
- half-zone liquid bridge
- modal structure
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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