Wind Speed Modeling Articles & Analysis
33 articles found
In wind energy projects, obtaining precise and reliable wind resource data is crucial, yet the available data often remains limited in both time and space. To extend this data into the long term, integrating real-world measurements with model results becomes essential. This study demonstrates the process of improving modelled turbulence using observational data and calibrating high-resolution ...
This equipment was hired from Ashtead to avoid capital expenditure, and looking forward, the client is planning to add a Lufft wind monitor to the rental, because data on wind speed and direction helps with modelling and with the identification of dust pollution sources. ...
The WS600 is often used on solar systems and measures ambient temperature, relative humidity, precipitation intensity, precipitation type, precipitation quantity, air pressure, wind direction and wind speed. Other models such as the WS510 or the WS501 have an integrated Kipp & Zonen pyranometer. ...
For example, fuel present from a previous flight may lead to fuel-induced icing. MeteoGroup Energy Balance Model To model wing temperatures, MeteoGroup has developed a specific energy balance model. This energy balance model calculates wind temperature by computing the various energy fluxes on the wing surface ...
In an attempt to develop an improved model for the wind-speed profile valid for urban boundary layers, the role played by the roughness length z 0 , i.e., the constant of integration of the vertical gradient of the wind speed, is extended. z 0 is assumed here as a ‘dynamic’ variable rather than as a ...
The impact of the wind generation on the power systems is no longer negligible if high penetration levels are going to be achieved. ...
One–year (2006) WRF model simulations performed at a European scale and ECMWF–IFS forecasts are compared with 10 m wind speed and 2 m temperature observations from around 1,200 surface stations. ...
Three one–way nested domains have been used and the results for the innermost domain have been compared with surface and radiosonde meteorological measurements for pressure (PRES), air temperature (TMP), specific humidity (SPFH), wind speed (WIND) and direction (WDIR). The model results are in good agreement with the surface ...
This article investigates the use of a wind farm based on a doubly fed induction generators (DFIG) for reactive power compensation of a grid node. A wind speed variation sample is applied to the model of a wind power unit. ...
Daily reference evapotranspiration (ET0), as a dependent variable, was estimated for two weather stations in South Korea, using 8 years (1985–1992) of measurements of independent variables of air temperature, sunshine hours, wind speed and relative humidity. The model uses the adaptive neuro-fuzzy inference system (ANFIS) and artificial ...
The regression equations to easily evaluate the concentrations at the roadsides and at the crossroads were introduced as the functions of building height, road width, and wind speed from CFD simulations. The estimated concentrations showed that there were almost locations with the high concentrations exceeding the screening level to the probability of 10–5 ...
This study relates NOxconcentrations and wind (speed and direction) measured inside an asymmetric street canyon, with ambient wind. The monitoring site is located near a street intersection. The wind measured at the domestic airport located in the city, near the coast, has been considered as ambient wind. ...
Sampling locations were classified as zone1, zone2 and zone3. Wind speed was also recorded during sampling. Particle size was determined by using X–ray diffractometer (XRD). ...
The neutral terminal for the consumer loads is created using a zigzag transformer with an additional secondary winding. This additional secondary winding of zigzag transformer facilitates to select the optimum voltage rating of the battery system at DC bus. The control algorithm of the controller is developed for bidirectional flow capability of the active power ...
The present results showed that in the RS, the ratio of friction velocity to wind speed, u* /u, observed under unstable conditions of −4.2 w/u* were lower than the universal function presented by Panofsky et al. (1977). The cross correlation coefficients for u′w′ and T′w′ under neutral and unstable conditions were also studied.Keywords: correlation coefficient, ...
Parameters related with natural and traffic producing turbulences are estimated for four street canyons considering all wind directions. Available data include air pollution concentrations measured in Göttinger Strasse (Hannover, Germany), Schildhornstrasse (Berlin, Germany), Jagtvej (Copenhagen, Denmark) and Hornsgatan (Stockholm, Sweden), background pollution, ...
This paper describes a newly developed air pollution dispersion model for open roads and highways called WORM (Weak Wind Open Road Model), and give some results using this model at Nordbysletta, Norway, in the period 1 January 200215 April 2002. Generally, a good correspondence was found between observed and ...
It also allows to estimate the thermal impact and acoustic impact of existing or future flares. Flame tilting due to the wind speed can be modelled with a simple methodology and with the Brzustowski and Sommer (B&S) approach. ...
The proposed TSK fuzzy model allows the generator to track the optimal operation points of the wind turbine system under fluctuating wind conditions. This model does not require the knowledge of the wind speed. The TSK fuzzy model identification is based on subtractive clustering ...
In the present study, artificial neural network (ANN) models are developed to predict seven meteorological parameters such as maximum temperature, minimum temperature, relative humidity, wind speed, sunshine hours, dew point and evaporation individually. To predict each of the meteorological parameters, recurrent MISO-ANN network is used. Totally ...