نتایج جستجو برای: heat eddy diffusivity

تعداد نتایج: 226080  

Journal: :Journal of Physical Oceanography 2023

Abstract For eddy-permitting climate models, only eddies smaller than the smallest resolvable scale need to be parameterized. Therefore, it is important study diffusivities induced by a specific separation L * , that is, scale-dependent eddy diffusivities. Using submesoscale-permitting model solution (MITgcm llc4320), we estimate diffusivity in Kuroshio Extension. We find that, as increases, an...

2003
Tsuyoshi Nishi Hiroyuki Shibata Hiromichi Ohta

Thermal diffusivity values of molten germanium and silicon were measured by a laser flash method. Simple but useful sample cell systems were developed to keep the molten germanium and silicon shape uniform for a given thickness. In the present experimental condition, it is necessary to consider the effect of not only the radiative heat loss but also the conductive heat loss at the interface bet...

2012
PAUL SPENCE OLEG A. SAENKO CAROLINA O. DUFOUR JULIEN LE SOMMER MATTHEW H. ENGLAND

Meridional heat transport (MHT) in the Southern Ocean (SO) and its components are analyzed with two eddy-permitting climate models. The two models present a consistent picture of the MHT response to projected twenty-first-century changes in SO winds. In agreement with a recent analysis based on an ocean data synthesis product, much of the MHT in the SO is found to be due to the time-mean fields...

Journal: :Journal of the Mining and Metallurgical Institute of Japan 1956

Journal: :Journal of the Atmospheric Sciences 2016

2004
M. G. HADFIELD

We have conducted large-eddy simulations (LES) of the atmospheric boundary layer with surface heat Rux variations on a spatial scale comparable to the boundary layer depth. We first ran a simulation with a horizontally homogeneous heat flux. In general the results are similar to those of previous large-eddy simulations. The model simulates a field of convective eddies having approximately the c...

2007
R. BACHNAK T. NGUYEN

Eddy current methods have been successfully used in a variety of non-destructive evaluation applications including detection of cracks, measurements of material thickness, determining metal thinning due to corrosion, measurements of coating thickness, determining electrical conductivity, identification of materials, and detection of corrosion in heat exchanger tubes. This paper describes the de...

2016

1. Comments: (1) Authors state that they have implemented a multi-layer dry deposition model into SOSAA, which is a 1D chemical transport model. SOSAA is described in Section 2.3.1, which lists different modules and references but does not explain the model types or physical principles. The key elements of SOSAA relevant to the present study, especially turbulent mixing and the derivation of ed...

2009
Zhang Yang Peter H Stone Amy Solomon YANG ZHANG PETER H. STONE AMY SOLOMON

A b-plane multilevel quasigeostrophic channel model with interactive static stability and a simplified parameterization of atmospheric boundary layer physics is used to study the role of different boundary layer processes in eddy equilibration and their relative effect in maintaining the strong boundary layer potential vorticity (PV) gradient. The model results show that vertical thermal diffus...

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