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Related papers: Interfacial thermal conductance between TiO2 nanop…

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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 dispersion stability and thermal conductivity of propylene glycol based nanofluids containing Al2O3 and TiO2 nanoparticles were studied in the temperature range of 20 to 80 {\deg}C. Nanofluids with different concentrations of…

Fluid Dynamics · Physics 2012-05-10 Ibrahim Palabiyik , Zenfira Musina , Sanjeeva Witharana , Yulong Ding

In this work, we investigated the effect of knots in the thermal transport of graphene nanoribbons through non-equilibrium molecular dynamics simulations. We considered the cases of one, two, and three knots are present. Temperature jumps…

Mesoscale and Nanoscale Physics · Physics 2022-08-04 Levi C. Felix , Alexandre F. Fonseca , Douglas S. Galvao

Interaction between engineered nanoparticles and natural organic matter is investigated by measuring the exchanged heat during binding process with isothermal titration calorimetry. TiO2 anatase nanoparticles and alginate are used as…

Materials Science · Physics 2021-09-21 Frédéric Loosli , Letícia Vitorazi , Jean-François Berret , Serge Stoll

Condensation and frost formation degrade the heat transfer performance of air-conditioners and refrigerators. Yet, the frost formation mechanism has not been fully understood. In the present study, we numerically investigated H2O droplets…

Mesoscale and Nanoscale Physics · Physics 2021-04-27 Yoshitaka Ueki , Yuta Tsutsumi , Masahiko Shibahara

Measuring the thermal conductivity ($\kappa$) of water at extreme conditions is a challenging task and few experimental data are available. We predict $\kappa$ for temperatures and pressures relevant to the conditions of the Earth mantle,…

Materials Science · Physics 2023-05-10 Cunzhi Zhang , Marcello Puligheddu , Linfeng Zhang , Roberto Car , Giulia Galli

We report the measurements of the thermal conductivity ($\kappa$) of iron (Fe) and nickel (Ni) at high pressures and high temperatures. $\kappa$ values are estimated from the temperature measurements across the sample surface in a laser…

Materials Science · Physics 2022-12-28 Pinku Saha , Goutam Dev Mukherjee

This research paper is intended to study the nanoparticles shapes on peristalsis of Casson fluid in a channel flow by considering Joule heating effects. The study of such flows has various relevance applications in biomedical engineering…

Fluid Dynamics · Physics 2021-12-01 Asha S K , Sunitha G

Understanding heat transfer across solid-liquid interfaces is central to thermal management and energy technologies, yet whether the interfacial thermal conductance (ITC) depends on the timescale of heating remains unclear. Here we use…

Materials Science · Physics 2026-03-25 Tao Chen , Puqing Jiang

We report in situ characterized TiO2 thin-films deposited on optical fiber, having thicknesses in the 20-100nm range, and having enhanced conductivity values of 700S/cm upon interacting with hydrogen. This conductivity was achieved in pure…

Materials Science · Physics 2020-10-01 Jacob L. Poole , Paul R. Ohodnicki , Yang Yu , Jian Liu , Bret Howard , Sittichai Natesakhawat

Heat transfer at the interface between two materials is becoming increasingly important as the size of electronic devices shrinks. Most studies concentrate on the interfacial thermal conductance between either crystalline-crystalline or…

Mesoscale and Nanoscale Physics · Physics 2024-09-09 Julien El Hajj , Christophe Adessi , Michaël de San Feliciano , Gilles Ledoux , Samy Merabia

Using equilibrium and nonequilibrium molecular dynamics simulations, we determine the Kapitza resistance (or thermal contact resistance) at a model liquid solid interface. The Kapitza resistance (or the associated Kapitza length) can reach…

Materials Science · Physics 2009-11-07 Jean-Louis Barrat , François Chiaruttini

Heat dissipation in electrically biased semiconducting carbon nanotubes (CNTs) on single crystal quartz and amorphous SiO2 is examined with temperature profiles obtained by spatially resolved Raman spectroscopy. Despite the differences in…

Mesoscale and Nanoscale Physics · Physics 2013-02-22 Cheng-Lin Tsai , Albert Liao , Eric Pop , Moonsub Shim

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

Although ubiquitous in nature and industrial processes, transport processes at the interface during evaporation and condensation are still poorly understood. Experiments have shown temperature discontinuities at the interface during…

Soft Condensed Matter · Physics 2023-08-01 Gang Chen

Radiative heat transfer in systems with core-shell nanoparticles may exhibit not only a combination of disparate physical properties of its components but also further enhanced properties that arise from the synergistic properties of the…

Applied Physics · Physics 2018-11-14 Moladad Nikbakht

Understanding thermal transport through nanoscale van der Waals interfaces is vital for addressing thermal management challenges in nanoelectronic devices. In this work, the interfacial thermal conductance (GCA) between copper…

Applied Physics · Physics 2019-06-24 Yucheng Xiong , Xiaoxiang Yu , Yajie Huang , Juekuan Yang , Liangliang Li , Nuo Yang , Dongyan Xu

The use of electrophoretic forces to tune friction at material-nanoparticle-liquid interfaces with static or low frequency (0.6-50 mHz) electric fields is reported for the first time. External electric fields were employed to reposition…

Soft Condensed Matter · Physics 2019-01-31 Biplav Acharya , Caitlin M. Seed , Donald W. Brenner , Alex I. Smirnov , Jacqueline Krim

Carbon nanotube (CNT) have been known to increase the heat transfer at the solid-liquid interfaces, but have a limitation due to the interfacial thermal resistance. Vibrational mismatch at the interface leads to this interfacial thermal…

Materials Science · Physics 2016-10-04 Ajinkya Sarode , Zeeshan Ahmed , Pratik Basarkar , Atul Bhargav , Debjyoti Banerjee

In this paper, we describe an experimental investigation into the effect of passivation layer thickness on heat dissipation between a quartz substrate and liquid helium. We have observed that by depositing SiN from 0 to 240 nm, the Kapitza…

Materials Science · Physics 2023-12-08 Babak Mohammadian , Mark A. McCulloch , Valerio Gilles , Thomas Sweetnam , Lucio Piccirilo