Results 71 to 80 of about 9,644,141 (271)
"Ultimate state" of two-dimensional Rayleigh-Benard convection between free-slip fixed temperature boundaries [PDF]
, 2011 Rigorous upper limits on the vertical heat transport in two dimensional Rayleigh-Benard convection between stress-free isothermal boundaries are derived from the Boussinesq approximation of the Navier-Stokes equations. The Nusselt number Nu is bounded in terms of the Rayleigh number Ra according to $Nu \leq 0.2295 Ra^{5/12}$ uniformly in the Prandtl ...
arxiv +1 more source
Battery Energy, EarlyView.For a Casson flow which is under consideration here, its rheological equation is adopted with the assumptions of viscous dissipation properties of flow and all the constant properties. By Nakamura and Sawada, the model proposed, which is biviscosity, is implemented and is mostly used for the representation of Casson electrolytes in LIB.
Tareq Manzoor +5 more
wiley +1 more source
Energies, 2019 The study utilizes the energy-flux-vector method to analyze the heat transfer characteristics of natural convection in a wavy-wall porous square cavity with a partially-heated bottom surface.
Yan-Ting Lin, Ching-Chang Cho
doaj +1 more source
Analysis of the Nusselt number in pulsating pipe flow
International Journal of Heat and Mass Transfer, 1997 기계공학전공
GUO, ZHIXIONG +1 more
openaire +3 more sources
Using a Two‐Stage Microcapillary Reactor for the Kinetic Investigation of Esterification Reactions
Chemie Ingenieur Technik, EarlyView.For determining kinetic data of exothermic reactions, a two‐stage stainless‐steel microcapillary reactor equipped with NIR and GC analysis was developed, showing excellent mass and heat transfer properties. The system successfully investigated the esterification of acetic acid and acetic anhydride with methanol, yielding kinetic data consistent with ...
Pascal Desel +5 more
wiley +1 more source
Highly efficient spray cooling enabled by acoustic microdroplet atomizer
Droplet, EarlyView.Spray cooling is a highly efficient cooling strategy for high‐power miniaturized electronic devices. In this work, we proposed an acoustic atomization cooling approach, which is able to generate high‐density microdroplets that vertically impact on the heating surface.
Tianhua Chen, Wenming Li
wiley +1 more source
Case Studies in Thermal Engineering, 2021 A numerical investigation is conducted to study the heat transfer characteristics of laminar flow in three-dimensional rectangular microchannels with aspect ratios of 0.1–1 and Reynolds numbers of 5–400.
Hao Ma +3 more
doaj
Energy Science &Engineering, EarlyView.Numerical analysis of double‐diffusive convection in a curvilinear cavity with SiO2/H2O nanofluid, focusing on mesh, validation, results, and optimisation. ABSTRACT This paper investigates numerically the effect of MHD and entropy generation on double‐diffusive combined convection in an inclined enclosure filled with Si2O/H2O and heated fins.
Mohammed A. Alomari +6 more
wiley +1 more source
Energy Science &Engineering, EarlyView.ABSTRACT The overheating phenomenon is a common issue in molten salt electric heaters (MSEHs), significantly limiting their application in large‐scale energy storage systems. To address this, a three‐dimensional analysis model of a high‐voltage resistance MSEH is developed using ANSYS Fluent.
Yujie Qiu +4 more
wiley +1 more source
Influence of Ocean Conditions on Heat and Mass Transfer Performance of Heat Exchangers: A Review
Energy Science &Engineering, EarlyView.ABSTRACT The research reviews the study on the thermo‐mass transfer performance of heat exchangers under sloshing conditions in marine environments, aiming to promote the efficient utilization of new energy sources. It discusses the progress in the study of heat exchangers under different sloshing conditions, including theoretical models and ...
Haitao Jiang +3 more
wiley +1 more source