Results 31 to 40 of about 1,492,145 (327)

Globally- and hemispherically-integrated Joule heating rates during the 17 March 2015 geomagnetic storm, according to physics-based and empirical models [PDF]

Annales Geophysicae
Joule heating is a primary energy dissipation mechanism of the solar wind in the Earth's upper atmosphere. However there are large discrepancies in the computation of Joule heating between models.
S. Tourgaidis, D. Baloukidis, P. Pirnaris, T. Sarris, A. Ridley, G. Lu   +5 more
doaj   +1 more source

Phase controlled synthesis of transition metal carbide nanocrystals by ultrafast flash Joule heating

Nature Communications, 2022
Nanoscale carbides enhance ultra-strong ceramics and show activity as high-performance catalysts. Traditional lengthy carburization methods for carbide syntheses usually result in coked surface, large particle size, and uncontrolled phase.
Bing Deng, Zhe Wang, Weiyin Chen, J. Li, D. Luong, R. Carter, Guan-Hui Gao, B. Yakobson, Yufeng Zhao, J. Tour   +9 more
semanticscholar   +1 more source

Improved heating method for shape-memory alloy using carbon nanotube and silver paste

Fashion and Textiles, 2023
Shape memory alloys (SMAs) have a special ability to remember their initial shape and return from operating temperature. For this special ability, there are many studies in the field of smart wearables to replace rigid, heavy, and large electric ...
Sang Jin Kim, Sang Un Kim, Chi Cuong Vu, Joo Yong Kim   +3 more
doaj   +1 more source

Ice-Prevention and De-Icing Capacity of Epoxy Resin Filled with Hybrid Carbon-Nanostructured Forms: Self-Heating by Joule Effect

Nanomaterials, 2021
In this study, CNTs and graphite have been incorporated to provide electrical conductivity and self-heating capacity by Joule effect to an epoxy matrix.
Catalina Farcas, Oscar Galao, Luigi Vertuccio, Liberata Guadagno, M. Dolores Romero-Sánchez, Iluminada Rodríguez-Pastor, Pedro Garcés   +6 more
doaj   +1 more source

Gas Heating Mechanisms in Atmospheric Pressure Helium Dielectric-Barrier Discharges Driven by a kHz Power Source

Applied Sciences, 2020
The present work investigates contributions of different heating mechanisms and power efficiency of atmospheric-pressure helium dielectric-barrier discharges (APHeDBDs) containing a small amount of N2 for temperature measurements by developing the ...
Kun-Mo Lin, Kai-Cheng Wang, Yao-Sheng Chang, Shun-Yu Chuang   +3 more
doaj   +1 more source

Microstructure dependent electroplastic effect in AA 6063 alloy and its nanocomposites

Journal of Materials Research and Technology, 2021
The flow stress reduction during plastic deformation superposed with electric current, commonly referred as ‘electroplasticity’ has been actively researched over the past few decades.
Jai Tiwari, Padma Pratheesh, O.B. Bembalge, Hariharan Krishnaswamy, Murugaiyan Amirthalingam, S.K. Panigrahi   +5 more
doaj   +1 more source

A Comparative Assessment of the Distribution of Joule Heating in Altitude as Estimated in TIE‐GCM and EISCAT Over One Solar Cycle

Journal of Geophysical Research - Space Physics, 2023
During geomagnetically active times, Joule (or frictional) heating in the Lower Thermosphere‐Ionosphere is a significant source of thermal energy, greatly affecting density, temperature, composition and circulation.
Dimitris Baloukidis, Theodore Sarris, Stelios Tourgaidis, P. Pirnaris, A. Aikio, I. Virtanen, Stephan C. Buchert, Konstantinos Papadakis   +7 more
semanticscholar   +1 more source

Modeling Joule Heating Effect on Thermal Efficiency of Photovoltaic Thermal (PVT) Collectors with Operation Mode Factor (OMF)

Applied Sciences, 2022
The purpose of the present study is developing the operation mode factor (OMF) by remodeling the thermal efficiency model of a hybrid PVT collector during steady state.
Erkata Yandri
doaj   +1 more source

Flash Joule heating for synthesis, upcycling and remediation

Nature Reviews Clean Technology
Electric heating methods are being developed and used to electrify industrial applications and lower their carbon emissions. Direct Joule resistive heating is an energy-efficient electric heating technique that has been widely tested at the bench scale ...
Bing Deng, Lucas J Eddy, K. Wyss, Chandra Sekhar Tiwary, James M. Tour   +4 more
semanticscholar   +1 more source

Statistics of Joule heating in the auroral zone and polar cap using Astrid-2 satellite Poynting flux [PDF]

Annales Geophysicae, 2004
We make a statistical study of ionospheric Joule heating with the Poynting flux method using six months of Astrid-2/EMMA electric and magnetic field data during 1999 (solar maximum year). For the background magnetic field we use the IGRF model.
A. Olsson, P. Janhunen, T. Karlsson, N. Ivchenko, L. G. Blomberg   +4 more
doaj   +1 more source