Results 21 to 30 of about 1,223 (180)

MOSFET Selection for a 18ka modular power converter for HL-LHC inner triplet

Power Electronic Devices and Components, 2023
The upgrade of the Large Hadron Collider (LHC) at CERN towards the High Luminosity-LHC (HL-LHC) presents different challenges, among them, the upgrade of the power converters associated to the inner triplet magnets to reach the required rated current of ...
N. Wassinger, S. Maestri, R. Garcia Retegui, M. Funes, P. Antoszczuk, S. Pittet   +5 more
doaj   +1 more source

Optomechanical cooling and self-stabilization of a waveguide coupled to a whispering-gallery-mode resonator [PDF]

Photonics Research, 2020
Laser cooling of mechanical degrees of freedom is one of the most significant achievements in the field of optomechanics. Here, we report, for the first time to the best of our knowledge, efficient passive optomechanical cooling of the motion of a freestanding waveguide coupled to a whispering-gallery-mode (WGM) resonator. The waveguide is an 8 mm long
Riccardo Pennetta, Shangran Xie, Richard Zeltner, Jonas Hammer, Philip St. J. Russell   +4 more
openaire   +3 more sources

The Building That Teaches: Exploring Augmented Reality Affordances in Academic Incubators

Journal of Interior Design, EarlyView., 2022
ABSTRACT Efforts to enhance the experience of interior environments have led to experimentation with augmented reality (AR) technology to encourage users to participate in the built space using their mobile devices. To investigate the role of AR technologies in interior design experiences, we highlight the interdisciplinary design of a mobile AR ...
Leah Scolere, Laura Malinin
wiley   +1 more source

Visualization experiment study on oscillatory flow characteristics of two-phase flow [PDF]

Journal of Hebei University of Science and Technology
In order to solve the oscillatory heat transfer problem of gas-liquid two-phase flow of cooling oil gallery of piston, a reciprocating oscillatory experimental device reformed by diesel engine was designed and established. The oscillatory flow process of
Hairong ZHU, Xu XIAO, Kailun ZHANG, Lin LI, Zhao WANG   +4 more
doaj   +1 more source

Thermal Characteristics Investigation of the Internal Combustion Engine Cooling-Combustion System Using Thermal Boundary Dynamic Coupling Method and Experimental Verification

Energies, 2018
The engine cooling system must be able to match up with the stable operating conditions so as to guarantee the engine performance. On the working cycle level, however, the dynamic thermo-state of engines has not been considered in the cooling strategy ...
Junhong Zhang, Zhexuan Xu, Jiewei Lin, Zefeng Lin, Jingchao Wang, Tianshu Xu   +5 more
doaj   +1 more source

Spin bath maser in a cryogenically cooled sapphire whispering gallery mode resonator [PDF]

Physical Review B, 2013
We report the observation of a mechanism of maser generation in an ensemble of inter-coupled, inhomogeneously broadened two-level systems, enhanced by high quality factor electromagnetic cavity modes. In this previously unobserved form of population inversion, an inseparable quantum system leads to cavity-enhanced stimulated emission arising from ...
Bourhill, J., Benmessai, K., Goryachev, M., Creedon, D. L., Farr, W. G., Tobar, M. E.   +5 more
openaire   +2 more sources

Fluid-Structure Interaction Heat Transfer of Piston with Consideration of Oil Oscillating Cooling and In-Cylinder Local Heat Transfer

Chemical Engineering Transactions, 2017
Taking the piston of heavy commercial vehicle as an example, in-cylinder local heat transfer boundary condition is obtained through the calculation of intake, spray, combustion and exhaust process; the heat transfer boundaries of the inner oil gallery ...
X. Liu, D. Cheng, J. Zhou, Q. Zheng, X. Mi   +4 more
doaj   +1 more source

Coordinated Architectural and Chemical Reinforcement in the Crushing Mandible of a Soldier Termite

Advanced Functional Materials, EarlyView.
The crushing mandible of a soldier termite withstands substantial biting loads despite lacking mineral. Its cuticle is partitioned: convex teeth pair hardness and zinc enrichment with aligned chitin fibers for contact durability, while stiffer concave regions between teeth carry bending loads.
Andrew Tran Nguyen, Patryk Wąsik, Juan Fernando Cucuyame Morales, Marie Kate Palau, Adrian Francisco Duran Ornelas, Phani Saketh Dasika, Jin Hee Kim, Radhika Laxminarayana, Eric Hintsala, Greta Chang, Junzhi Liao, Lizhi Sun, Nathan Lord, Atsushi Arakaki, Paul Bardunias, Pablo Zavattieri, David Kisailus   +16 more
wiley   +1 more source

Comparison of the effects on heat transfer through oil oscillation in a steel piston cooling gallery: Friction welding versus laser welding

Case Studies in Thermal Engineering
Piston cooling gallery plays a critical role in managing the temperature of the piston and its performance. This paper aims to study the effect of oscillatory heat transfer within the cooling galleries, focusing on two distinct types: flanged (friction ...
Min Li, Yao hui Yin, Ya hui Liu, Hui yong Du, Xin Wang, Zeng hui Yin   +5 more
doaj   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

Advanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades, Pedro Hidalgo, David Maestre, Ruth Martínez‐Casado, Emilio Nogales, Beatriz Rodríguez, G. Cristian Vásquez, Bianchi Méndez   +7 more
wiley   +1 more source