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ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes

Tytuł artykułu

The relationship between the parameters of wind speed

Autorzy Halchak, V.  Syrotyuk, S.  Syrotyuk, V. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN This paper analyzes the methods of mapping the velocity of wind flow, and using them to measure the performance of wind turbines. The dependencies of the two-parameter Weibull distribution function on the scale parameter are analyzed. It should be noted that the parameters of the distribution function, and therefore the repeatability are probabilistic. The characteristics of Rayleigh distribution for different values of the scale are presented. The analytical-expressions and peculiar velocities of the integer and half-integer values for the shape parameters reflect the relationship between the mean, mean square, average-cubic, and estimated wind-speeds. It is shown that the ratio of the square of the average speed to the standard, regardless of the values of the shape-parameters and the scale-ratio can be replaced by the corresponding G-functions.The theoretical-calculation to design the medium-speed and its relation to the current and average speeds for the Weibull distribution with a half-integer values and the shape-parameter is presented. It is proved that the recommendation considers the speed of the medium design to be proportional to the mean, and permissible only if the distribution is close to normal. It has been established that the ratio between average wind velocities (in the case of Weilbull distribution parameter) are determined only by its form and the average velocity through the scale parameter. Weibull distribution allows to facilitate and simplify their calculation methodology so as to assess the energy parameters of wind turbines.
Słowa kluczowe
EN wind   wind speed   distribution function   mean values  
Wydawca Polish Academy of Sciences, Branch in Lublin
Czasopismo ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Rocznik 2015
Tom Vol. 4, No 4
Strony 95--100
Opis fizyczny Bibliogr. 20 poz., rys., tab.
autor Halchak, V.
  • Lviv National Agrarian University
autor Syrotyuk, S.
autor Syrotyuk, V.
  • Lviv National Agrarian University
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