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Collective spins in thermal gases are at the core of a multitude of science and technology applications. In most of them, the random thermal motion of the particles is considered detrimental as it is responsible for decoherence and noise.…

Quantum Physics · Physics 2024-02-27 P. Bevington , J. Nicholson , J. D. Zipfel , W. Chalupczak , C. Mishra , V. Guarrera

Recent advances in our understanding of thermal transport in nanocrystalline systems are responsible for the integration of new technologies into advanced energy systems, including thermoelectric refrigeration systems and renewable energy…

Mesoscale and Nanoscale Physics · Physics 2019-08-12 Brian F. Donovan , Ronald J. Warzoha , R. Bharath Venkatesh , Nicholas T. Vu , Jay Wallen , Daeyeon Lee

Inspired by some recent molecular dynamics (MD) simulations and experiments on suspended graphene nanoribbons, we study a simplified model where the atoms are disposed in a rectangular lattice coupled by nearest neighbor interactions which…

Mesoscale and Nanoscale Physics · Physics 2015-10-20 R. Barreto , M. F. Carusela , A. Mancardo Viotti , A. G. Monastra

This study compares different methods to predict the simultaneous effects of conductive and radiative heat transfer in a Polymethylmethacrylate (PMMA) sample. PMMA is a kind of polymer utilized in various sensors and actuator devices.…

Machine Learning · Computer Science 2022-04-20 Mahsa Dehghan Manshadi , Nima Alafchi , Alireza Taat , Milad Mousavi , Amir Mosavi

In fire spread simulations, heat transfer and pyrolysis are processes to describe the thermal degradation of solid material. In general, the necessary material parameters cannot be directly measured. They are implicitly deduced from micro-…

Fluid Dynamics · Physics 2023-06-28 Tristan Hehnen , Lukas Arnold

Investigating properties of phase change materials (PCMs) is an important issue due to their extensive use in heat storage systems and thermal regulation devices. Improvement of the efficiency of such systems should be based on a better…

Applied Physics · Physics 2022-07-18 L. Klochko , J. Noel , N. R. Sgreva , S. Leclerc , C. Métivier , D. Lacroix , M. Isaiev

Metallic glasses are promising materials with unique mechanical and thermal properties, but their atomic-scale dynamics remain challenging to understand. In this work, we develop a unified approach to investigate the glass transition and…

Materials Science · Physics 2025-02-07 Anh D. Phan , Do T. Nga , Ngo T. Que , Hailong Peng , Thongchanh Norhourmour , Le M. Tu

Hybrid composites, mixtures of organic and inorganic materials frequently achieve their final properties after thermal treatment involving partial or complete decomposition and chemical reactions. Three examples are presented to demonstrate…

Materials Science · Physics 2018-06-27 Gyorgy Banhegyi , Zsuzsanna Matyas-Karacsony , Eva Fazakas , Miklos Mohai , Richard Bak

In this study, a newly pillared black phosphorene hybrid nanostructures (PBP) is constructed with its thermal stability as well as thermal conductivity are studied by performing equilibrium molecular dynamics simulation (EMD). The results…

Mesoscale and Nanoscale Physics · Physics 2020-10-23 Jiaxin Wu , Suxin Chen , Changpeng Chen , Yihan Ma , Yongshang Tian

The Synchronized Molecular-Dynamics simulation which was recently proposed by authors [Phys. Rev. X {\bf 4}, 041011 (2014)] is applied to the analysis of polymer lubrication between parallel plates. The rheological properties,…

Fluid Dynamics · Physics 2016-12-23 Shugo Yasuda , Ryoichi Yamamoto

We collected literature data of thermal conductivity experimentally measured in ethylene glycol-based nanofluids and investigated the influence of concentration, temperature and nanoparticle size. We implemented statistical linear…

Soft Condensed Matter · Physics 2021-07-30 Julia Tielke , Marc Avila

Thermal conduction in polymer nanocomposites depends on several parameters including the thermal conductivity and geometrical features of the nanoparticles, the particle loading, their degree of dispersion and formation of a percolating…

Applied Physics · Physics 2021-01-25 Alessandro di Pierro , Alberto Fina

Further development of nuclear power plant technology relies heavily on materials durability under operating conditions. Estimating the materials performance in the operando tests is crucial. In this paper, the mechanical behavior of thin…

In this work we present a molecular dynamics investigation of thermal transport in a silica-gallium nitride nanocomposite. A surprising enhancement of the thermal conductivity for crystalline volume fractions larger than 5% is found, which…

The physical approach of a small particle (virus, medical drug) to the cell membrane represents the crucial first step before active internalization and is governed by thermal diffusion. Using a fully analytical theory we show that the…

Fluid Dynamics · Physics 2016-02-17 Abdallah Daddi-Moussa-Ider , Achim Guckenberger , Stephan Gekle

Thermal transport properties of amorphous carbon has attracted increasing attention due to its extreme thermal properties: It has been reported to have among the highest thermal conductivity for bulk amorphous solids up to $\sim$ 37…

Disordered Systems and Neural Networks · Physics 2024-05-14 Jaeyun Moon , Zhiting Tian

The ability of metallic nanoparticles to supply heat to a liquid environment under exposure to an external optical field has attracted growing interest for biomedical applications. Controlling the thermal transport properties at a…

Chemical Physics · Physics 2017-08-14 Shenghong Ju , Bruno Palpant , Yann Chalopin

Controlling the temperature in architectures involving nanoparticles and substrates is a key issue for applications involving micro and nanoscale heat transfer. We study the thermal behavior of a single nanoparticle interacting with a flat…

Optics · Physics 2017-03-03 Houssem Kallel , Rémi Carminati , Karl Joulain

The current work examines regimes of the hydrogen-oxygen flame propagation and ignition of mixtures heated by radiation emitted from the flame. The gaseous phase is assumed to be transparent for the radiation, while the suspended particles…

Fluid Dynamics · Physics 2015-11-24 Michael A. Liberman M. FIvanov , A. D. Kiverin

In freeze drying, thermal radiation has a significant effect on the drying process of vials located near the corner and edge of the trays, resulting in non-uniformity of the products. Understanding and being able to predict the impact of…

Computational Engineering, Finance, and Science · Computer Science 2024-07-22 Prakitr Srisuma , George Barbastathis , Richard D. Braatz