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Convection driven by internal heat sources and sinks: heat transport beyond the mixing-length or 'ultimate' scaling regime

Autor: Miquel, B., Lepot, S., Bouillaut, V., Gallet, B.

Publikováno v: Phys. Rev. Fluids 4, 121501(R), Published 19 December 2019

Thermal convection driven by internal heat sources and sinks was recently shown experimentally to exhibit the mixing-length, or "ultimate", scaling-regime: the Nusselt number $Nu$ (dimensionless heat flux) increases as the square-root of the Rayleigh

Externí odkaz: http://arxiv.org/abs/2010.11507

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Transition to the ultimate regime in a radiatively driven convection experiment

Autor: Bouillaut, V., Lepot, S., Aumaître, S., Gallet, B.

Publikováno v: Journal of Fluid Mechanics, 861, R5 (2019)

We report on the transition between two regimes of heat transport in a radiatively driven convection experiment, where a fluid gets heated up within a tunable heating length $\ell$ in the vicinity of the bottom of the tank. The first regime is simila

Externí odkaz: http://arxiv.org/abs/2010.10936

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Coexistence of solitons and extreme events in deep water surface waves

Autor: Cazaubiel, A, Michel, G., Lepot, S, Semin, B, Aumaître, S, Berhanu, M, Bonnefoy, Félicien, Falcon, Eric

Publikováno v: Physical Review Fluids, American Physical Society, 2018

We study experimentally, in a large-scale basin, the propagation of unidirectional deep water gravity waves stochastically modulated in phase. We observe the emergence of nonlinear localized structures that evolve on a stochastic wave background. Suc

Externí odkaz: http://arxiv.org/abs/1810.07922

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A Framework for Assessing Ocean Mixed Layer Depth Evolution.

Autor: Legay, Alexandre¹ (AUTHOR) alexandre.legay@univ-grenoble-alpes.fr, Deremble, Bruno¹ (AUTHOR), Penduff, Thierry¹ (AUTHOR), Brasseur, Pierre¹ (AUTHOR), Molines, Jean‐Marc¹ (AUTHOR)

Publikováno v: Journal of Advances in Modeling Earth Systems. Oct2024, Vol. 16 Issue 10, p1-29. 29p.

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Radiative heating achieves the ultimate regime of thermal convection.

Autor: Lepot S; Service de Physique de l'Etat Condensé, Commissariat à l'Energie Atomique (CEA Saclay), CNRS UMR 3680, Université Paris-Saclay, 91191 Gif-sur-Yvette, France., Aumaître S; Service de Physique de l'Etat Condensé, Commissariat à l'Energie Atomique (CEA Saclay), CNRS UMR 3680, Université Paris-Saclay, 91191 Gif-sur-Yvette, France.; Laboratoire de Physique, Ecole Normale Supérieure de Lyon, UMR CNRS 5672, 69007 Lyon, France., Gallet B; Service de Physique de l'Etat Condensé, Commissariat à l'Energie Atomique (CEA Saclay), CNRS UMR 3680, Université Paris-Saclay, 91191 Gif-sur-Yvette, France; basile.gallet@cea.fr.

Publikováno v: Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2018 Sep 04; Vol. 115 (36), pp. 8937-8941. Date of Electronic Publication: 2018 Aug 22.

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Manipulation of Convection Using Infrared Light Emitted from Human Hands.

Autor: Zhu, Hanrui¹ (AUTHOR), Luo, Zhen¹ (AUTHOR), Zhang, Lifu^1,2 (AUTHOR), Shen, Qingchen^1,3 (AUTHOR), Yang, Runheng¹ (AUTHOR), Cheng, Weizheng¹ (AUTHOR), Zhang, Yingyue¹ (AUTHOR), Jiang, Modi¹ (AUTHOR), Guo, Chunzhi⁴ (AUTHOR), Fu, Benwei¹ (AUTHOR), Song, Chengyi¹ (AUTHOR), Tao, Peng¹ (AUTHOR), An, Shun¹ (AUTHOR) anshun@sjtu.edu.cn, Shang, Wen¹ (AUTHOR) shangwen@sjtu.edu.cn, Deng, Tao^1,5 (AUTHOR) dengtao@sjtu.edu.cn

Publikováno v: Advanced Science. 3/27/2024, Vol. 11 Issue 12, p1-10. 10p.

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