scholarly journals Diffuse wave energy transport in multicoupled, one‐dimensional Anderson localizing systems

1995 ◽  
Vol 98 (5) ◽  
pp. 2963-2963 ◽  
Author(s):  
R. L. Weaver ◽  
John Burkhardt
Keyword(s):  
Wave Energy ◽  
Energy Transport ◽  
One Dimensional

scholarly journals Momentum and Energy Transport by Gravity Waves in Stochastically Driven Stratified Flows. Part I: Radiation of Gravity Waves from a Shear Layer

2007 ◽  
Vol 64 (5) ◽  
pp. 1509-1529 ◽  
Author(s):  
Nikolaos A. Bakas ◽  
Petros J. Ioannou
Keyword(s):  
Shear Flow ◽  
Shear Layer ◽  
Gravity Wave ◽  
Gravity Waves ◽  
Wave Energy ◽  
Energy Transport ◽  
Wave Spectrum ◽  
Internal Gravity Waves ◽  
Wave Interference ◽  
Wide Range

Abstract In this paper, the emission of internal gravity waves from a local westerly shear layer is studied. Thermal and/or vorticity forcing of the shear layer with a wide range of frequencies and scales can lead to strong emission of gravity waves in the region exterior to the shear layer. The shear flow not only passively filters and refracts the emitted wave spectrum, but also actively participates in the gravity wave emission in conjunction with the distributed forcing. This interaction leads to enhanced radiated momentum fluxes but more importantly to enhanced gravity wave energy fluxes. This enhanced emission power can be traced to the nonnormal growth of the perturbations in the shear region, that is, to the transfer of the kinetic energy of the mean shear flow to the emitted gravity waves. The emitted wave energy flux increases with shear and can become as large as 30 times greater than the corresponding flux emitted in the absence of a localized shear region. Waves that have horizontal wavelengths larger than the depth of the shear layer radiate easterly momentum away, whereas the shorter waves are trapped in the shear region and deposit their momentum at their critical levels. The observed spectrum, as well as the physical mechanisms influencing the spectrum such as wave interference and Doppler shifting effects, is discussed. While for large Richardson numbers there is equipartition of momentum among a wide range of frequencies, most of the energy is found to be carried by waves having vertical wavelengths in a narrow band around the value of twice the depth of the region. It is shown that the waves that are emitted from the shear region have vertical wavelengths of the size of the shear region.

scholarly journals Energy transport between critical one-dimensional systems with different central charges

2020 ◽  
Vol 101 (20) ◽  
Author(s):  
Sonja Fischer ◽  
Christoph Karrasch ◽  
Dirk Schuricht ◽  
Lars Fritz
Keyword(s):  
Energy Transport ◽  
One Dimensional

scholarly journals Energy transport in one-dimensional disordered granular solids

2016 ◽  
Vol 93 (2) ◽  
Author(s):  
V. Achilleos ◽  
G. Theocharis ◽  
Ch. Skokos
Keyword(s):  
Energy Transport ◽  
One Dimensional ◽  
Granular Solids

Three Dimensional Radiative Transfer in ICON-LEM

2020 ◽  
Author(s):  
Fabian Jakub ◽  
Bernhard Mayer
Keyword(s):  
Radiative Transfer ◽  
Detrimental Effect ◽  
Energy Transport ◽  
Three Dimensional ◽  
Cloud Formation ◽  
One Dimensional ◽  
3D Effects ◽  
Computational Simplicity ◽  
Boundary Layer Dynamics ◽  
Side Illumination

<pre class="moz-quote-pre">Recent studies have shown that the effects of three dimensional radiative transfer may impact cloud formation and precipitation. While one-dimensional solvers are favoured due to their computational simplicity, they do however neglect any horizontal energy transport. In particular, the 1D approximation neglects 3D effects such as cloud side illumination and the displacement of the cloud's shadow at the surface which are relevant whenever the sun is not in the zenith. This has a detrimental effect on the results of high resolution simulations. 3D radiative transfer has the potential to considerably change the boundary layer dynamics, the evolution of clouds, their lifetime and precipitation onset. To this date, studies that investigate the influence of 3D effects on realistic NWP settings are rare, primarily because there haven't been 3D radiative transfer solvers around that were fast enough to be run interactively in a forecast simulation. For that purpose we adapted the TenStream solver (parallel 3D radiative transfer solver for LES) to unstructured meshes and coupled it to ICON-LEM. We will present the new solver in the context of ICON-LEM simulations, the methodologies used and its characteristics.</pre>

scholarly journals Acoustic Bloch wave energy transport and group velocity

1991 ◽  
Vol 89 (4B) ◽  
pp. 1971-1971
Author(s):  
Charles E. Bradley ◽  
David T. Blackstock
Keyword(s):  
Group Velocity ◽  
Wave Energy ◽  
Energy Transport ◽  
Bloch Wave

Energy transport in one-dimensional thermoelectric systems

2006 ◽  
Vol 139 (9) ◽  
pp. 490-492 ◽  
Author(s):  
K.A. Chao ◽  
Magnus Larsson
Keyword(s):  
Energy Transport ◽  
One Dimensional ◽  
Thermoelectric Systems

scholarly journals Energy transport in a one-dimensional granular gas

2009 ◽  
Vol 79 (6) ◽  
Author(s):  
Ítalo’Ivo Lima Dias Pinto ◽  
Alexandre Rosas ◽  
Katja Lindenberg
Keyword(s):  
Energy Transport ◽  
One Dimensional ◽  
Granular Gas
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