Results 71 to 80 of about 10,096,677 (299)

A low-dissipation scheme based on OpenFoam designed for large eddy simulation in compressible flow

, 2017
To improve the large eddy simulation鈥檚 ability of simulating complex flow fields in the scramjet, a low-dissipation solver has been developed based on the original compressible solver rhoCentralFoam within the free open source computational fluid ...
Lee YC, Yao, Wei(weiyao@imech.ac.cn), 姚卫, 范学军   +3 more
core   +1 more source

Cryogenic Deformation Behavior of TiAl and Insights Into Embrittlement After High‐Temperature Exposure Combined With Secondary Ion Mass Spectroscopy of Near Surface Chemistry

Advanced Engineering Materials, EarlyView.
Near‐surface deuterium enrichment profiles for different microstructural types of TiAl after exposure at 700 °C in a heavy water‐containing environment. The deuterium levels are significantly higher than expected from natural occurrence, indicating that the heavy water dissociated during the exposure treatment and entered the specimens.
Jonathan D. H. Paul, Alexander Welle, Dirk Matthiessen, Michael Oehring, Fritz Appel, Florian Pyczak   +5 more
wiley   +1 more source

Multi-Scale evaluation of low-temperature performance in asphalt mixtures using not-notched semi-circular bending creep testing

Frontiers in Materials
To address the challenge of obtaining core samples directly from the field for low-temperature crack resistance tests of asphalt mixtures, this study utilizes the not-notched semi-circular bending (NN-SCB) creep test as a novel evaluation method.
Xinghao Xi, Xinghao Xi, Xinghao Xi, Dong Tang, Dong Tang, Zhenghe Wang, Zhenghe Wang, Naitian Zhang, Naitian Zhang   +8 more
doaj   +1 more source

Time, entropy generation, and optimization in low-dissipation heat devices

New Journal of Physics, 2015
We present new results obtained from the Carnot-like low-dissipation model of heat devices when size- and time-constraints are taken into account, in particular those obtained from the total cycle time and the contact times of the working system with the
A Calvo Hernández, A Medina, J M M Roco
doaj   +1 more source

Dissipation controls transport and phase transitions in active fluids: mobility, diffusion and biased ensembles

New Journal of Physics, 2020
Active fluids operate by constantly dissipating energy at the particle level to perform a directed motion, yielding dynamics and phases without any equilibrium equivalent.
Étienne Fodor, Takahiro Nemoto, Suriyanarayanan Vaikuntanathan   +2 more
doaj   +1 more source

Enhancement of the Through‐Thickness Electrical Conductivity of Carbon‐Fiber‐Reinforced Plastics Using Large Graphite Particles

Advanced Engineering Materials, EarlyView.
To enhance through‐thickness conductivity without sacrificing impregnation, large spherical graphite particles are intentionally employed in a low‐viscosity resin. Unlike finer conductive fillers, these particles remain outside the fiber bundles and accumulate in resin‐rich interlaminar regions during molding.
Keito Hosoe, Yu Zhou, Shintaro Kamiyama, Takao Okada, Tomohiro Yokozeki, Ryoma Tokonami, Tatsuhiro Takahashi   +6 more
wiley   +1 more source

Dissipation and discretization in time marching CFD calculation [PDF]

, 1995
This thesis concentrates on accuracy improvements for an existing software package that solves the three dimensional Reynolds Averaged Navier-Stokes equations in rotating coordinates. It is a cell centred explicit time marching code.
Alimin, E. K.
core   +3 more sources

Unsteady Flow Numerical Simulations on Internal Energy Dissipation for a Low-Head Centrifugal Pump at Part-Load Operating Conditions

Energies, 2019
Dredge pumps are usually operated at part-load conditions, in which the low-solidity centrifugal impeller could experience large internal energy dissipation, related to flow separation and vortices.
Xiaoran Zhao, Yongyao Luo, Zhengwei Wang, Yexiang Xiao, François Avellan   +4 more
doaj   +1 more source

Elastic–Plastic Modeling and Experimental Characterization of Granular Jamming Actuators

Advanced Engineering Materials, EarlyView.
Granular jamming enables rapid switching between soft and rigid mechanical states. Here, a reduced‐order elastic‐perfectly‐plastic beam framework captures pressure‐dependent loading, unloading, residual deformation, and hysteresis in jammed beams, while matching three‐point bending experiments across materials and geometries. The framework links design
Saheli Patel, Prashant K. Purohit, Jordan R. Raney   +2 more
wiley   +1 more source

Adaptive fabric with emissivity regulation for thermal management of humans

Nanophotonics
The heat generation of the human body dramatically varies between resting and active status, so dynamic heat dissipation is required to ensure optimal thermal comfort.
Li Xiansheng, Liu Meiling, Chen Ken, Li Lanxin, Pei Gang, Zhao Bin   +5 more
doaj   +1 more source