Results 51 to 60 of about 139,892 (279)
Modeling of Knudsen Layer Effects in the Micro-Scale Backward-Facing Step in the Slip Flow Regime
Micromachines, 2019 The effect of the Knudsen layer in the thermal micro-scale gas flows has been investigated. The effective mean free path model has been implemented in the open source computational fluid dynamics (CFD) code, to extend its applicability up to slip and ...
Apurva Bhagat +2 more
doaj +1 more source
GKS and UGKS for High-Speed Flows
Aerospace, 2021 The gas-kinetic scheme (GKS) and the unified gas-kinetic scheme (UGKS) are numerical methods based on the gas-kinetic theory, which have been widely used in the numerical simulations of high-speed and non-equilibrium flows.
Yajun Zhu, Chengwen Zhong, Kun Xu
doaj +1 more source
, 2010 Taking into account of entropy generation during evolution of a viscous fluid, we have estimated inverse Knudsen number, ideal hydrodynamic limit for elliptic flow and QGP viscosity to entropy ratio in $\sqrt{s}$=62 and 200 GeV Cu+Cu/Au+Au collisions ...
Chaudhuri, A. K.
core +1 more source
Advanced Science, EarlyView.Based on orbital magnetic moment control, a material design strategy is proposed for a giant converse magnetoelectric effect in multiferroic heterostructures. This study will pioneer a promising route toward low‐power spintronic devices with an electric field.
Takamasa Usami +5 more
wiley +1 more source
Knudsen number and universal behavior of collective flows in conformal and non-conformal systems
Physics Letters BWe investigate the role of the Knudsen number (Kn) as a scaling parameter governing the emergence of collective behavior in relativistic heavy-ion collisions.
Vincenzo Nugara +3 more
doaj +1 more source
Thermophoresis of Janus particles at large Knudsen numbers [PDF]
Physical Review Fluids, 2018 The force and torque on a Janus sphere moving in a rarefied gas with a thermal gradient are calculated. The regime of large Knudsen number is considered, with the momenta of impinging gas molecules either obtained from a Chapman-Enskog distribution or from a binary Maxwellian distribution between two opposing parallel plates at different temperature ...
Baier, Tobias +4 more
openaire +2 more sources
Light‑Driven Propulsion of Graphene Aerogels in Microgravity
Advanced Science, EarlyView.Ultralight graphene aerogels convert laser light into thrust. Parabolic‐flight experiments directly compare their motion in microgravity and at 1 g, revealing order‐of‐magnitude enhancements in distance, velocity, and transient thrust when weight and friction are removed (∼50 times enhancement).
Omnia Khattab +10 more
wiley +1 more source
Gas Velosity and Mass Flowrate Scaling Modeling in Microelectronics’ Thermal Control Systems
Holodilʹnaâ Tehnika i Tehnologiâ, 2017 In the present research we investigate pressure driven flow in the transition and free-molecular flow regimes with the objective of developing unified flow models for microchannels.
B. V. Kosoy, Y. Utaka
doaj +1 more source
The Knudsen Paradox in Micro-Channel Poiseuille Flows with a Symmetric Particle
Applied Sciences, 2020 The Knudsen paradox—the non-monotonous variation of mass-flow rate with the Knudsen number—is a unique and well-established signature of micro-channel rarefied flows.
Ananda Subramani Kannan +7 more
doaj +1 more source
Hilbert Expansion from the Boltzmann equation to relativistic Fluids [PDF]
, 2010 We study the local-in-time hydrodynamic limit of the relativistic Boltzmann equation using a Hilbert expansion. More specifically, we prove the existence of local solutions to the relativistic Boltzmann equation that are nearby the local relativistic ...
A. De Masi +36 more
core +2 more sources