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1. Prandtl number effect on heat transfer and flow structures in Rayleigh-Benard convection modulated by an oscillatory bottom plate NSTL国家科技图书文献中心

Zheheng Liu |  Pan Jia... -  《International Journal of Heat and Mass Transfer》 - 2025,236(Jan. Pt.2) - 126380.1～126380.11 - 共11页

摘要： effect on Rayleigh-B6nard convection systems modulated |  Pr 4.6 and a fixed Rayleigh number of Ra = 10~8 |  convection system. | In this paper, we study the Prandtl number |  by an oscillatory bottom plate. Direct numerical
关键词： Rayleigh-Benard convection |  Prandtl number effect |  Boundary layer instability |  Modal analysis
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2. Flow state transition and bi-stability of spanwise flow structures in quasi-two-dimensional Rayleigh-Benard convection NSTL国家科技图书文献中心

Lu Li |  Ye Tian... -  《International Journal of Heat and Mass Transfer》 - 2025,240(May) - 126608.1～126608.13 - 共13页

摘要：, turbulent Rayleigh-Benard convection can undergo a |  structures in quasi-two-dimensional Rayleigh-Benard |  convection. The experiment was conducted in the vertical |  the Rayleigh number Ra varied from 2.5×10' to 1.2×10 | We report an experimental observation of flow
关键词： Thermal convection |  Spanwise flow structures |  Supercritical bifurcation |  Bi-stability |  Symmetry breaking
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3. Eliminating flow reversals and enhancing heat transport in turbulent thermal convection with sinusoidally heated plates NSTL国家科技图书文献中心

Yang Zhang |  Quan Zhou -  《International Journal of Heat and Mass Transfer》 - 2025,239(Apr.) - 126560.1～126560.11 - 共11页

摘要：-dimensional (2-D) turbulent Rayleigh-Benard convection (RBC |  1 Pr 10 and the Rayleigh number (Ra) range 10~7 | We report numerical investigations of two | ) in a square cavity with sinusoidal temperature |  distribution on the bottom and top plates. The numerical
关键词： Rayleigh-Benard convection |  Spatial temperature modulation |  Heat transport enhancement
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4. Investigation of asymmetric heating in Poiseuille-Rayleigh-Benard water flow: A numerical study NSTL国家科技图书文献中心

Aymen Benbeghila |  Riadh Ouzani... -  《International Communications in Heat and Mass Transfer》 - 2025,160(Jan.) - 108404.1～108404.15 - 共15页

摘要： convection in Poiseuille-Rayleigh-Benard water flow within |  = 1.28 × 10~4) and high (Ra = 1.4 × 10~5) Rayleigh |  Rayleigh numbers, asymmetric heating has a pronounced |  Rayleigh numbers. Numerical computations further reveal | . Regardless of Reynolds and Rayleigh numbers, flux ratios
关键词： Mixed convection |  Poiseuille-Rayleigh-Benard flow |  Heat transfer |  Asymmetric heating
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5. Direct numerical simulations of centrifugal convection: From gravitational to centrifugal buoyancy dominance NSTL国家科技图书文献中心

Zhongzhi Yao |  Mohammad S. Emran... -  《International Journal of Heat and Mass Transfer》 - 2025,236(Jan. Pt.2) - 126314.1～126314.15 - 共15页 - 被引量：1

摘要： annular centrifugal Rayleigh-Benard convection (ACRBC |  (gravitational buoyancy), to those typical for Rayleigh-Benard |  simulations (DNS) of centrifugal convection (CC) in an |  Rayleigh number Ra. Our DNS of CC cover the following |  typical for vertical convection, where the imposed
关键词： Thermal convection |  Centrifugal convection |  Rayleigh-Be'nard convection |  Vertical convection |  Natural convection |  Rotating convection |  Direct numerical simulations |  Turbulence
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6. Stability analysis of magneto-LTNE porous convection in Kelvin-Voigt fluid NSTL国家科技图书文献中心

Mahanthesh Basavaraj... |  Dambaru Bhatta -  《International Journal of Heat and Mass Transfer》 - 2025,239(Apr.) - 126540.1～126540.16 - 共16页

摘要：The stability of Darcy-Brinkman-Benard model |  convection are investigated. A systematic analysis is |  convection, examining the impact of the Darcy number, Darcy |  higher Darcy-Rayleigh numbers, which potentially | -Rayleigh numbers, potentially improving thermal stability
关键词： Magnetic field |  Subcritical instability |  Kelvin-Voigt fluid |  Local thermal non-equilibrium |  Energy method |  Spectral collocation-QZ method
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7. Effects of rough surfaces on annular centrifugal Rayleigh-Benard convection NSTL国家科技图书文献中心

Fan Xu |  Jun Zhong... -  《International Journal of Heat and Mass Transfer》 - 2024,232(Nov.) - 125929.1～125929.9 - 共9页 - 被引量：1

摘要： classical Rayleigh-Benard convection (Zhu et al., 2017 |  zonal flow in the annular centrifugal Rayleigh-Benard |  convection (ACRBC) with cold inner and hot outer cylinders |  co-rotating axially, up to a Rayleigh number of Ra |  enhanced heat transport at high Rayleigh numbers. Notably
关键词： Direct numerical simulation |  Annular centrifugal Rayleigh-Benard convection |  Rough surfaces |  Heat transport enhancement |  Zonal flow
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8. Rayleigh-Benard Convection With Multiple Solutions in Trapezoidal Closed Cavities NSTL国家科技图书文献中心

Maurya, Govind |  Ahmed, Nadeem... -  《Journal of Heat and Mass Transfer: Transactions of the ASME》 - 2024,146(6) - 062601～ - 共13页 - 被引量：1

摘要：Rayleigh-Benard convection (RBC) in symmetric |  convection even at a low Rayleigh number (Ra) due to the |  jumps in the convection, similar to square cavities |  jump in the convection, and the other is the one |  trapezoidal closed cavities with cavity angle phi = 70
关键词： natural convection |  Rayleigh-Benard convection |  multiple steady-states |  bifurcation analysis |  NATURAL-CONVECTION |  THERMAL-CONVECTION |  CUBICAL CAVITY |  BIFURCATION-ANALYSIS |  FLOW TRANSITIONS |  HEAT-TRANSFER...
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9. Effects of inclination angle on Rayleigh-Benard convection under non-Oberbeck-Boussinesq approximation in air NSTL国家科技图书文献中心

Xiaomin Pan |  Jung-Il Choi -  《International Communications in Heat and Mass Transfer: A Rapid Communications Journal》 - 2024,151(Feb.) - 107255.1～107255.11 - 共11页

摘要： Rayleigh-Benard convection (RBC). The simulations |  significant in the modest to moderate range of Rayleigh | This study employs direct numerical |  simulations to explore the combined effects of inclination |  angles (φ) and non-Oberbeck-Boussinesq (NOB) conditions
关键词： Inclination angle |  Non-Oberbeck-Boussinesq approximation |  Rayleigh-Benard convection
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10. Turbulent Rayleigh-Benard convection in a supercritical CO_2-based binary mixture with cross-diffusion effects NSTL国家科技图书文献中心

Mingfei Xiao |  Yangjian Ren... -  《International Journal of Heat and Mass Transfer》 - 2024,228(Aug.) - 125648.1～125648.15 - 共15页 - 被引量：1

摘要： Rayleigh-Benard convection in CO_2-C_2H_6 binary mixture |  buoyancy, which in turn reinforces the natural convection | CO_2 -based binary mixtures are promising in |  energy engineering to improve efficiencies of |  thermodynamic cycles where supercritical CO_2 prevails. Indeed
关键词： Binary mixtures |  Supercritical fluid |  Cross-diffusion effects |  Rayleigh-Benard convection
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