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A reliable model of viscosity in liquids using a dual liquid model framework is developed. The analytical expression arrived at exhibits the correct T-dependence Arrhenius-like. It is compared with the values of viscosity for water with…

介观与纳米尺度物理 · 物理学 2024-12-04 Fabio Peluso

Ultrahigh lattice thermal conductivity materials hold great importance since they play a critical role in the thermal management of electronic and optical devices. Models using machine learning can search for materials with outstanding…

材料科学 · 物理学 2021-05-19 Shenghong Ju , Ryo Yoshida , Chang Liu , Kenta Hongo , Terumasa Tadano , Junichiro Shiomi

Electrophoresis has been shown as a novel methodology to enhance heat conduction capabilities of nanocolloidal dispersions. A thoroughly designed experimental system has been envisaged to solely probe heat conduction across nanofluids by…

应用物理 · 物理学 2018-07-10 Purbarun Dhar , Lakshmi Sirisha Maganti , A R Harikrishnan , Chandan Rajput

Based on deep neural networks (DNNs), deep learning has been successfully applied to many problems, but its mechanism is still not well understood -- especially the reason why over-parametrized DNNs can generalize. A recent statistical…

无序系统与神经网络 · 物理学 2025-06-10 Gang Huang , Lai Shun Chan , Hajime Yoshino , Ge Zhang , Yuliang Jin

Methane is considered being a good choice as a propellant for future reusable launch systems. However, the heat transfer prediction for supercritical methane flowing in cooling channels of a regeneratively cooled combustion chamber is…

机器学习 · 计算机科学 2020-02-07 Günther Waxenegger-Wilfing , Kai Dresia , Jan Christian Deeken , Michael Oschwald

Heat transport in low-dimensional solids can significantly differ from their bulk counterpart due to various size-related effects. This offers rich heat transport phenomena to emerge. However, finding an appropriate thermometry method for…

介观与纳米尺度物理 · 物理学 2025-06-12 T. Serkan Kasırga , Berke Köker

Mitigation of hot spots in MEMS employing in situ microchannel systems requires a comprehensive picture of the maldistribution of the working fluid and uniformity of cooling within the same. In this article, detailed simulations employing…

流体动力学 · 物理学 2016-05-03 Lakshmi Sirisha Maganti , Purbarun Dhar , T Sundararajan , Sarit K Das

In a well-dispersed nanofluid with strong cluster-fluid attraction, thermal conduction paths can arise through percolating amorphous-like interfacial structures. This results in a thermal conductivity enhancement beyond the Maxwell limit of…

材料科学 · 物理学 2008-12-31 Jacob Eapen , Ju Li , Sidney Yip

Nonlinear thermoelastic systems play a crucial role in understanding thermal conductivity, stresses, elasticity, and temperature interactions. This research focuses on finding solutions to these systems in their fractional forms, which is a…

偏微分方程分析 · 数学 2025-01-13 Qasim Khan

Understanding the thermal behavior of additive manufacturing (AM) processes is crucial for enhancing the quality control and enabling customized process design. Most purely physics-based computational models suffer from intensive…

机器学习 · 计算机科学 2023-01-20 Shuheng Liao , Tianju Xue , Jihoon Jeong , Samantha Webster , Kornel Ehmann , Jian Cao

We report on thermal transport properties in 2 and 3 dimensions interconnected nanowire networks (strings and nodes). The thermal conductivity of these nanostructures decreases in increasing the distance of the nodes, reaching ultra-low…

介观与纳米尺度物理 · 物理学 2018-10-31 Maxime Verdier , David Lacroix , Konstantinos Termentzidis

Nanoscale solid-solid contacts define a wealth of material behaviours from the electrical and thermal conductivity in modern electronic devices to friction and losses in micro- and nanoelectromechanical systems. For modern ultra-high…

介观与纳米尺度物理 · 物理学 2019-12-25 B. J. Robinson , M. E. Pumarol , O. V. Kolosov

Disordered forms of carbon are an important class of materials for applications such as thermal management. However, a comprehensive theoretical understanding of the structural dependence of thermal transport and the underlying microscopic…

材料科学 · 物理学 2024-12-13 Yanzhou Wang , Zheyong Fan , Ping Qian , Miguel A. Caro , Tapio Ala-Nissila

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 perform the analysis of predictions of a classical density functional theory for associating fluids with different association strength concerned with wetting of solid surfaces. The four associating sites water-like models with…

软凝聚态物质 · 物理学 2024-04-01 A. Kozina , M. Aguilar , O. Pizio , S. Sokołowski

Understanding thermal transport in silicon nanostructures is crucial for effective thermal management in semiconductor devices. In such nanostructures, boundary scattering can significantly reduce thermal conductivity. Diffusive boundary…

材料科学 · 物理学 2025-10-28 Michimasa Morita , Junichiro Shiomi

Transient processes generally constitute part of energy-system cycles. If skillfully manipulated, they actually are capable of assisting systems to behave beneficially to suit designers' needs. In the present study, behaviors related to…

计算物理 · 物理学 2014-10-22 Z. J. Gao , T. M. Shih , H. Merlitz , P. J. Pagni , Z. Chen

The use of nanoparticles for targeted drug delivery, especially in diseased arteries, is a novel procedure. We are incorporating nanoparticles into blood vessels using a catheter, which could potentially deliver drugs precisely to affected…

流体动力学 · 物理学 2023-08-31 Surabhi Rathore , Dasari Srikanth

The acoustic mismatch model and the diffuse mismatch model have been widely used to predict the thermal interface conductance. However, the acoustic mismatch model (diffuse mismatch model) is based on the hypothesis of a perfectly smooth…

介观与纳米尺度物理 · 物理学 2018-12-10 Yingying Zhang , Dengke Ma , Yi Zang , Nuo Yang

Recent microfluidic experiments have explored the precise positioning of micron-sized particles in liquid environments via laser-induced thermoviscous flow. From micro-robotics to biology at the subcellular scale, this versatile technique…

流体动力学 · 物理学 2025-10-01 Weida Liao , Eric Lauga