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Wind Profiles and Wave Spectra for Potential Wind Farms in South China Sea. Part II: Wave Spectrum Model
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Energies 2017, 10(1), 125; doi:10.3390/en10010125

Wind Profiles and Wave Spectra for Potential Wind Farms in South China Sea. Part I: Wind Speed Profile Model

1,2
,
1,2
,
1,2
and
1,*
1
Division of Ocean Science and Technology, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China
2
School of Environment, Tsinghua University, Beijing 100084, China
*
Author to whom correspondence should be addressed.
Academic Editor: Frede Blaabjerg
Received: 1 October 2016 / Revised: 17 December 2016 / Accepted: 21 December 2016 / Published: 20 January 2017
View Full-Text   |   Download PDF [8015 KB, uploaded 20 January 2017]   |  

Abstract

With the setting of wind energy harvesting moving from coastal waters to deep waters, the South China Sea has been deemed to offer great potential for the construction of floating wind farms thanks to the abundance of wind energy resources. An engineering model describing the wind profiles and wave spectra specific to the South China Sea conditions, which is the precondition for offshore wind farm construction, has, however, not yet been proposed. In the present study, a series of numerical simulations have been conducted using the Weather Forecast and Research model. Through analyzing the wind and wave information extracted from the numerical simulation results, engineering models to calculate vertical profiles of wind speeds and wave spectra have been postulated. While the present paper focuses on the wind profile model, a companion paper articulates the wave spectrum model. For wind profiles under typhoon conditions, the power-law and log-law models have been found applicable under the condition that the Hellmann exponent α or the friction velocity u * are modified to vary with the wind strength. For wind profiles under non-typhoon conditions, the log-law model is revised to take into consideration the influence of the atmospheric stability. View Full-Text
Keywords: atmospheric stability; offshore wind farm; South China Sea; wind profile model atmospheric stability; offshore wind farm; South China Sea; wind profile model
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Liu, Y.; Chen, D.; Yi, Q.; Li, S. Wind Profiles and Wave Spectra for Potential Wind Farms in South China Sea. Part I: Wind Speed Profile Model. Energies 2017, 10, 125.

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