Results 101 to 110 of about 949,903 (413)
Self-Similar Accretion Flows with Convection
, 1999 We consider height-integrated equations of an advection-dominated accretion flow (ADAF), assuming that there is no mass outflow. We include convection through a mixing length formalism.
Honma F. +5 more
core +2 more sources
Advanced Engineering Materials, EarlyView.The functional properties of Fe–Mn–Si–Cr‐based shape memory alloys are influenced, among other things, by their chemical composition. Here, the vaporization of Mn, the most volatile element of the alloy, is investigated. It is shown that the process parameters make noninterchangeable contributions to the vaporization and that vaporization differences ...
Maylin Homfeldt, Anastasiya Toenjes
wiley +1 more source
A model of rotating convection in stellar and planetary interiors: I - convective penetration [PDF]
, 2019 A monomodal model for stellar and planetary convection is derived for the magnitude of the rms velocity, degree of superadiabaticity, and characteristic length scale as a function of rotation rate as well as with thermal and viscous diffusivities. The convection model is used as a boundary condition for a linearization of the equations of motion in the
arxiv +1 more source
Efficient small-scale dynamo in solar convection zone
, 2015 We investigate small-scale dynamo action in the solar convection zone through a series of high resolution MHD simulations in a local Cartesian domain with 1$R_\odot$ (solar radius) of horizontal extent and a radial extent from 0.715 to 0.96$R_\odot$. The
Hotta, H., Rempel, M., Yokoyama, T.
core +1 more source
Propagation mechanisms for the Madden-Julian Oscillation [PDF]
, 2000 The Madden-Julian Oscillation (MJO) is examined using 20 years of outgoing longwave radiation and NCEP-NCAR reanalysis data. Two mechanisms for the eastward propagation and regeneration of the convective anomalies are suggested.
Matthews, AJ
core +1 more source
International Astronomical Union Colloquium, 1990 AbstractThe present knowledge of the dynamics and structure of the solar convection zone is reviewed with the aim of checking current assumptions and conjectures against laboratory experiments and numerical modeling of thermal convection. Buoyancy is the only forcing considered. Rotation and magnetic fields are explicitly avoided.
openaire +2 more sources
Residual Stress States in Microstructurally Graded PBF–LB/M Austenitic Steel Components
Advanced Engineering Materials, EarlyView.This study examines microstructurally graded 316L rectangular tube profiles fabricated via PBF–LB/M using a dual‐laser system. A 1 kW top‐hat and a 400 W Gaussian laser create distinct grain sizes and crystallographic texture. Mechanical properties are linked to microstructural evolution driven by processing conditions.
Nico Möller +5 more
wiley +1 more source
Effect of subcritical excitation of oscillations in stochastic systems with time delay. Part II. Control of fluid equilibrium [PDF]
Компьютерные исследования и моделирование, 2012 The problem of active control of the mechanical equilibrium of an inhomogeneously heated fluid in a thermosyphon is studied theoretically and experimentally. The control is performed by using a feedback subsystem which inhibits convection by changing the
Dmitry Anatolievich Bratsun +1 more
doaj +1 more source
The 2015 Plains Elevated Convection at Night Field Project
, 2017 The central Great Plains region in North America has a nocturnal maximum in warm-season precipitation. Much of this precipitation comes from organized mesoscale convective systems (MCSs).
B. Geerts +26 more
semanticscholar +1 more source
Advanced Engineering Materials, EarlyView.When realized as inserts in high‐pressure die casting, aluminum cooling channels for electric powertrain components and similar applications typically require a stabilizing filler to survive the process. The present study investigates relinquishing this filler using additively manufactured inserts promising performance improvements.
Dirk Lehmhus +9 more
wiley +1 more source