Results 211 to 220 of about 5,548 (262)

A mechanism-aided transformer may transform in-flight aviation safety. [PDF]

PNAS Nexus
Song J, Hou F, Wang X, Yue X.
europepmc   +1 more source

A global parametric rain model for landfalling tropical cyclones: a case study for the U.S. [PDF]

Nat Hazards (Dordr)
Lau KH, Czernichow S, Sparks N, Toumi R.
europepmc   +1 more source

Future changes in severe hail across Europe, including regional emergence of warm-type thunderstorms. [PDF]

Nat Commun
Kahraman A, Kendon EJ, Fowler HJ, Short CJ.   +3 more
europepmc   +1 more source

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Impact of vertical wind shear on wind turbine performance

2017 International Conference on Circuit ,Power and Computing Technologies (ICCPCT), 2017
This is paper presents significance of vertical wind shear. Voltage flicker that may be initiated in the output of the horizontal axis upwind wind turbine located at any given site for a given tower height and blade length. Vertical wind shear is one of the important parameters which instigate voltage flicker in wind turbine output voltage.
Datta Chavan, Anupama Singh, P B Karandikar   +2 more
exaly   +2 more sources

Investigation of Horizontal and Vertical Wind Shear Effects Using a Wind Turbine Emulator

IEEE Transactions on Sustainable Energy, 2019
This paper presents modeling and analysis of horizontal and vertical wind shear effects using a wind turbine emulator (WTE) with a comprehensive model. These periodic effects generate power fluctuations and mechanical stress on the wind turbine (WT) components during its operation.
Hamid Reza Naji, Roohollah Fadaeinedjad Bahramjerdi, Ebrahim Mohammadi   +2 more
exaly   +2 more sources

Effect of vertical wind shear on flicker in wind farm

2013 IEEE Global Humanitarian Technology Conference: South Asia Satellite (GHTC-SAS), 2013
Scarcity of electric power, in developing countries like India, demands more generation of electric power. The conventional means of generating power are much time consuming and hence it is necessary to utilize renewable energy sources like wind, solar etc. Wind is intermittent in nature.
Datta. S. Chavan, S. D. Bhide, P. B. Karandikar   +2 more
openaire   +1 more source

On the Classification of Vertical Wind Shear as Directional Shear versus Speed Shear

Weather and Forecasting, 2006
Abstract 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
openaire   +1 more source

Characteristics for wind energy and wind turbines by considering vertical wind shear

Journal of Central South University, 2015
The probability distributions of wind speeds and the availability of wind turbines were investigated by considering the vertical wind shear. Based on the wind speed data at the standard height observed at a wind farm, the power-law process was used to simulate the wind speeds at a hub height of 60 m.
Yu-qiao Zheng, Rong-zhen Zhao
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Effects of Vertical Wind Shear

2011
The effects of vertical wind shear on convective development have been examined for decades (e.g., Pastushkov 1975; Corbosiero and Molinari 2002; Lang et al. 2007; Ueno 2007). The delayed initiation of convection is associated with a strong vertical wind shear (e.g., Xu et al. 1992).
Xiaofan Li, Shouting Gao
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