中文
相关论文

相关论文: Effect of thermal-bioconvection in a rotating phot…

200 篇论文

This article investigates the linear stability of thermal-bioconvection within a suspension containing phototactic microorganisms heated from below. In suspension, the upper surface is taken as stress-free, while the lower surface is taken…

流体动力学 · 物理学 2023-11-29 Sandeep Kumar , Shaowei Wang

This study investigates thermal phototactic bioconvection in an isotropic porous medium using the Darcy-Brinkman model. The top boundary of the medium is exposed to normal collimated light and subjected to heating. A linear analysis of…

动力系统 · 数学 2025-02-21 S. K. Rajput , M. K. Panda , A. Rathi

This study investigates the linear stability of phototactic bioconvection in a rotating porous medium under collimated light, incorporating the effects of critical intensity, Darcy number, and Taylor number. Using a mathematical model and…

流体动力学 · 物理学 2025-02-14 Sandeep Kumar , Suneet Singh

Examining phototactic bioconvection in non-scattering suspensions with upper heating and collimated irradiation, this study delves into the intricate dynamics influenced by light and microorganisms. The study focuses on the linear stability…

动力系统 · 数学 2024-03-13 Sandeep Kumar , Shaowei Wang

In this study, we investigate the effects of oblique collimated irradiation on the onset of phototaxis-driven bioconvection in an isotropic porous medium. A linear stability analysis is conducted to assess the system's stability under fixed…

软凝聚态物质 · 物理学 2025-03-14 S. K. Rajput , M. K. Panda

The primary objective of this article is to explore how rotation influences the initiation of phototactic bioconvection. This investigation is conducted through the application of linear stability theory to a suspension composed of…

软凝聚态物质 · 物理学 2023-09-21 S. K. Rajput

In this investigation, we explore the thermal effects on a suspension containing isotropic scattering phototactic microorganisms. The setup involves illuminating the suspension with collimated irradiation from the top, coupled with heating…

软凝聚态物质 · 物理学 2023-12-08 S. K. Rajput

In the present paper, the onset of thermal convection in a uniformly rotating Darcy-Brinkman porous medium saturated by a variable viscosity fluid is investigated and the competing interplay between rotation and temperature-dependent…

流体动力学 · 物理学 2024-10-15 Florinda Capone , Jacopo A. Gianfrani

In this article, the effect of rotation on the onset of phototactic bioconvection is investigated using linear stability theory for a suspension of forward-scattering phototactic algae in this article. The suspension is uniformly…

动力系统 · 数学 2023-06-28 S. K. Rajput

We study rotating homogeneous turbulent convection forced by a mean vertical temperature gradient by means of direct numerical simulations (DNS) in the Boussinesq approximation in a rotating frame. In the absence of rotationour results are…

流体动力学 · 物理学 2019-10-30 Francesco Toselli , Stefano Musacchio , Guido Boffetta

The linear stability of a suspension of phototactic algae is investigated numerically with particular emphasis on the effects of the angle of incidence of the illuminating oblique collimated irradiation with thermal effects. The suspension…

动力系统 · 数学 2024-03-12 S. K. Rajput , M. K. Panda

In this study, we investigate the impact of heating or cooling in a suspension experiencing phototactic bioconvection. The suspension is illuminated by collimated irradiation from the top and subjected to heating or cooling from the bottom.…

动力系统 · 数学 2023-12-01 S. K. Rajput , M. K. Panda

Turbulent convection in the interiors of the Sun and the Earth occurs at high Rayleigh numbers $Ra$, low Prandtl numbers $Pr$, and different levels of rotation rates. To understand the combined effects better, we study rotating turbulent…

流体动力学 · 物理学 2024-11-20 Ambrish Pandey , Katepalli R. Sreenivasan

The impact of rotation on the bio-convective instability in a phototactic algal suspension is investigated through a linear stability analysis in this article. The study primarily focuses on the suspension's phototactic behavior, which…

动力系统 · 数学 2023-06-27 S. K. Rajput

The impact of variable material properties, such as temperature-dependent thermal conductivity and dynamical viscosity, on the dynamics of a fully compressible turbulent convection flow beyond the anelastic limit are studied in the present…

流体动力学 · 物理学 2024-07-30 John Panickacheril John , Jörg Schumacher

We report an experimental study aiming to clarify the role of boundary conditions (BC) in high Rayleigh number $10^8 < {\rm{Ra}} < 3 \times 10^{12}$ turbulent thermal convection of cryogenic helium gas. We switch between BC closer to…

流体动力学 · 物理学 2021-08-11 P. Urban , T. Králík , M. Macek , P. Hanzelka , T. Věžník \and L. Skrbek

The previous investigation on Rayleigh-B\'enard convection of a dilute classical gas [T. Kita: J. Phys. Soc. Jpn. {\bf 75} (2006) 124005] is extended to calculate entropy change of the convective transition with the rigid boundaries. We…

统计力学 · 物理学 2009-11-13 Takafumi Kita

We employ a linear stability analysis and direct numerical simulations to study the characteristics of wall-modes in thermal convection in a rectangular box under strong and inclined magnetic fields. The walls of the convection cell are…

流体动力学 · 物理学 2023-09-06 Shashwat Bhattacharya , Thomas Boeck , Dmitry Krasnov , Jörg Schumacher

Bioconvection induced by phototaxis and thermal gradients in an anisotropic (forward) scattering algal suspension is investigated in this article. The suspension is illuminated by collimated irradiation from above and heated either from top…

生物物理 · 物理学 2025-07-01 S. K. Rajput , M. K. Panda , A. Rathi

We consider the onset of Boussinesq convection in a horizontal layer of electrically conducting incompressible fluid with rigid electrically insulating horizontal boundaries. The fluid is heated from below and rotates about a vertical axis;…

斑图形成与孤子 · 物理学 2011-02-22 Olga Podvigina
‹ 上一页 1 2 3 10 下一页 ›