Results 251 to 260 of about 24,309 (310)
Simulations of multi-phase gas in and around galaxies. [PDF]
Living Rev Comput AstrophysGronke M, E Schneider E.
europepmc +1 more source
A review of aeroelastic instabilities and resonance effects in wind turbine blade dynamics. [PDF]
Wind EngSaram MU, Yang J.
europepmc +1 more source
Frequency domain analysis of torsional vibration of single pile in orthotropic viscoelastic layered foundation. [PDF]
Sci RepLian Z, Zhu Y, Jiu Y.
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Lake‐size dependency of wind shear and convection as controls on gas exchange
Geophysical Research Letters, 2012 High‐frequency physical observations from 40 temperate lakes were used to examine the relative contributions of wind shear (u*) and convection (w*) to turbulence in the surface mixed layer.
Jordan S Read +2 more
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AIAA Guidance, Navigation, and Control Conference, 2011
This paper presents atmospheric Shear Wind phenomena models and develops a Particle Filter estimator to characterize the phenomena. We describe a model for the Surface Shear Wind and another for the Layer Shear Wind. The models are described and adjusted for Besian estimation. A Particle Filter was implemented and tested in simulation for Surface Shear
Bencatel, Ricardo +3 more
openaire +1 more source
This paper presents atmospheric Shear Wind phenomena models and develops a Particle Filter estimator to characterize the phenomena. We describe a model for the Surface Shear Wind and another for the Layer Shear Wind. The models are described and adjusted for Besian estimation. A Particle Filter was implemented and tested in simulation for Surface Shear
Bencatel, Ricardo +3 more
openaire +1 more source
Shearing wind helicity and thermal wind helicity
Advances in Atmospheric Sciences, 2006Helicity is defined as H = V · ω, where V and ω velocity and vorticity vectors, respectively. Many works have pointed out that the larger the helicity is, the longer the life cycle of the weather system is. However, the direct relationship of the helicity to the evolution of the weather system is not quite clear.
Ying Han, Rongsheng Wu, Juan Fang
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On the Classification of Vertical Wind Shear as Directional Shear versus Speed Shear
Weather and Forecasting, 2006Abstract Vertical wind shear is commonly classified as “directional” or “speed” shear. In this note, these classifications are reviewed and their relevance discussed with respect to the dynamics of convective storms. In the absence of surface drag, storm morphology and evolution only depend on the shape and length of a hodograph, on ...
Yvette Richardson, Paul Markowski
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1961
Abstract : Chapter 1 describes the background of the wind shear measuring technique. Chapter 2 describes the mechanical construction of the wind shear probe and gives some of the design criteria for the various sensors. Also described is the instrumentation package which contains the telemetering link and the electronic circuits necessary to measure ...
ROLAND L. PLANTE +2 more
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Abstract : Chapter 1 describes the background of the wind shear measuring technique. Chapter 2 describes the mechanical construction of the wind shear probe and gives some of the design criteria for the various sensors. Also described is the instrumentation package which contains the telemetering link and the electronic circuits necessary to measure ...
ROLAND L. PLANTE +2 more
openaire +1 more source