The tropical cyclone response to changing wind shear using the method of time-varying point-downscaling
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Advances in Modeling Earth Systems"
DOI: 10.1002/2016ms000796
Abstract: Previous studies using idealized numerical simulations to understand the tropical cyclone (TC) response to time-varying wind shear have applied instantaneous changes in the TC environment. This was typically accomplished by pausing the simulation, constructing a… read more here.
Keywords: wind; wind shear; response; time varying ... See more keywords
A new circulation index for the detection of monsoon intensity
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Climatology"
DOI: 10.1002/joc.6312
Abstract: The Asian summer monsoon is characterized by the presence of a low‐level westerly jet stream (LLJ) in the lower troposphere and a tropical easterly jet stream (TEJ) in the upper troposphere. It is interesting to… read more here.
Keywords: monsoon; circulation index; index; wind shear ... See more keywords
Baseline predictability of daily east Asian summer monsoon circulation indices
Sign Up to like & getrecommendations! Published in 2017 at "Asia-Pacific Journal of Atmospheric Sciences"
DOI: 10.1007/s13143-017-0031-6
Abstract: The nonlinear local Lyapunov exponent (NLLE) method is adopted to quantitatively determine the predictability limit of East Asian summer monsoon (EASM) intensity indices on a synoptic timescale. The predictability limit of EASM indices varies widely… read more here.
Keywords: wind shear; defined zonal; indices defined; easm indices ... See more keywords
Use of spatio-temporal calibrated wind shear model to improve accuracy of wind resource assessment
Sign Up to like & getrecommendations! Published in 2018 at "Applied Energy"
DOI: 10.1016/j.apenergy.2018.01.063
Abstract: Wind shear models are commonly used to predict the wind speed at wind turbine hub heights from the wind data collected at the elevation of the monitoring station. In many cases, the model parameters are… read more here.
Keywords: wind; model parameters; wind shear; spatio temporal ... See more keywords
Detection and compensation of anomalous conditions in a wind turbine
Sign Up to like & getrecommendations! Published in 2017 at "Energy"
DOI: 10.1016/j.energy.2017.02.036
Abstract: Anomalies in the wind field and structural anomalies can cause unbalanced loads on the components and structure of a wind turbine. For example, large unbalanced rotor loads could arise from blades sweeping through low level… read more here.
Keywords: anomalous conditions; wind shear; wind turbine; detection compensation ... See more keywords
Wind shear and turbulence on Titan: Huygens analysis
Sign Up to like & getrecommendations! Published in 2017 at "Icarus"
DOI: 10.1016/j.icarus.2017.06.010
Abstract: Abstract Wind shear measured by Doppler tracking of the Huygens probe is evaluated, and found to be within the range anticipated by pre-flight assessments (namely less than two times the Brunt–Vaisala frequency). The strongest large-scale… read more here.
Keywords: shear turbulence; turbulence titan; wind shear; turbulence ... See more keywords
Evaluation of Wind Shear Coefficients, Surface Roughness and Energy Yields over Inland Locations in Namibia ☆
Sign Up to like & getrecommendations! Published in 2017 at "Procedia Manufacturing"
DOI: 10.1016/j.promfg.2016.12.094
Abstract: Abstract Wind shear coefficients and roughness lengths over inland locations in southern Namibia were evaluated. Ten-minute average wind data collected at Korabib and Warmbad over a one year period were utilized. Mean values of wind… read more here.
Keywords: coefficients surface; wind shear; energy; evaluation wind ... See more keywords
Wind shear effect induced by the platform pitch motion of a spar-type floating wind turbine
Sign Up to like & getrecommendations! Published in 2019 at "Renewable Energy"
DOI: 10.1016/j.renene.2018.12.034
Abstract: Abstract The platform pitch motion of a Floating Wind Turbine (FWT) introduces additional relative wind speed to the rotor. This additional relative wind speed distributes linearly along the vertical altitude, which is similar to the… read more here.
Keywords: ppi wind; wind shear; platform pitch; wind ... See more keywords
Characterization of wind-shear effects on entrainment in a convective boundary layer
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2018.761
Abstract: Direct numerical simulations are used to characterize wind-shear effects on entrainment in a barotropic convective boundary layer (CBL) that grows into a linearly stratified atmosphere. We consider weakly to strongly unstable conditions $-z_{enc}/L_{Ob}\gtrsim 4$ ,… read more here.
Keywords: unicode stix; entrainment; wind shear; stix x0394 ... See more keywords
Optimal trajectory planning of a small UAV using solar energy and wind energy
Sign Up to like & getrecommendations! Published in 2023 at "AIP Advances"
DOI: 10.1063/5.0147263
Abstract: Due to size limitations and the working environment near the ground, small low-altitude unmanned aerial vehicles (UAVs) cannot carry large-area solar cells and energy storage devices. Solar energy alone has only a limited effect on… read more here.
Keywords: wind shear; energy; optimal trajectory; solar energy ... See more keywords
Performance Simulation Theory of Low-Level Wind Shear Detections Using an Airborne Coherent Doppler Lidar Based on RTCA DO-220
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3231848
Abstract: The performance simulation theory of low-level wind shear (LLWS) detection using an airborne coherent Doppler lidar (CDL) is shown. The simulation theory that this performance is based on is analogous to the turbulence and wind… read more here.
Keywords: wind shear; simulation theory; using airborne; simulation ... See more keywords