wind data Articles

  • Parameterisation of convective PBL using surface data for the wind and stability classes

    A simple two-layer model of convective planetary boundary layer (CPBL), consisting of a Surface Layer and an Ekman layer over it and developed in accordance with the similarity theory is used to obtain the vertical profiles of the temperature, wind velocity and the turbulent exchange coefficient in CPBL from the surface wind measurements and atmospheric stability data. As input to this model the ...


    By Inderscience Publishers

  • New methods for measuring the wind

    Although computer models of wind flow over terrain have improved dramatically in the past few years, there is still no substitute for data recorded at the site. So you want to build a wind farm. Good for you. With the global drive towards a low carbon economy, it is surely the right way to go for many individuals, companies and, indeed, Governments around the world. As information from the ...


  • Amassing Wind Information

    Wind is a variable resource, but not an indecipherable one. Second Wind encourages harnessing the full range of wind sensing technologies that are available today. When it comes to wind information, much attention is focused on the choice of wind measurement technology and data collection practices in wind resource assessment and project design. Right now, wind data plays a limited role in the ...


  • Weather claims and wind safety

    Anybody working in the construction industry either here in the UK or anywhere else in the world is likely to know that the weather can present us with particular hazards. While rain, ice and snow are particularly dangerous to work in, we must always be aware that the wind is also likely to make conditions unsafe, particularly for those who work at height and those who ...

  • Verification of Wind-Driven Volatilization Models

    Abstract  Mass-transfer processes of paramount importance, such as reaeration and volatilization, occur at the air–water interface. Particularly, volatilization is intensively studied because it can be a relevant removal process for toxic contaminants from flowing and standing surface waters. The paper provides a comparison among predictive equations available from literature for standing ...


    By Springer

  • Intrinsically safe ultrasonic wind sensor

    The Gill Instruments Intrinsically Safe WindObserver™ is an ultrasonic wind sensor, developed specifically for use in hazardous areas and in particular for offshore applications. The sensor has no moving parts, utilising Gill Instruments’ advanced ultrasonic measurement technology to accurately monitor wind speed and direction. Approved to EEx ia IIC T5, this ultrasonic wind sensor is a ...


    By Gill Instruments Limited

  • On the application of miniSoDAR technology to wind energy

    Introduction In the late 1990’s wind turbines with nacelle heights exceeding 60 meters were introduced to the wind energy community. Initially, wind prospecting and siting studies continued to use 50-meter wind towers and extrapolate the measurement to the nacelle heights. It was quickly determined that this approach was not sufficient for the placement of these tall turbines. The next ...

  • Weather Data for Noise Monitoring

    “Weather conditions are the single largest variable factor in how sound travels over large distances,” says Steve Bilawchuk principal partner and engineer at ACI Acoustical Consultants Inc. “Wind speed and wind direction are of crucial importance.” ACI is an acoustical engineering consulting company based in Alberta, Canada, which uses ...

  • Waterquality and meteorological data - Greece

    Background Thesprotia is one of the 51 prefectures in Greece and is located in the North-West of the country, 479 km from the capital Athens. The population of the prefecture is around 46,000 people. In the Pindos-Mountains arises the riverKalamas and empties after 115 km in the bay of Valtos (Ionian Sea). The river has large environmental influence on the area and is also in some areas ...


    By The OTT Hydromet Group

  • Data Mining Disaster

    Computer technology that can mine data from social media during times of natural or other disaster could provide invaluable insights for rescue workers and decision makers, according to an international team writing in the International Journal of Emergency Management. Adam Zagorecki of the Centre for Simulation and Analytics, at Cranfield University, Shrivenham, UK and David Johnson of Missouri ...


    By Inderscience Publishers

  • Compost Data Tracking And Analysis

    From tip fee invoice tracking to process control to compost product sampling, information gathering, analysis and reporting are key to successful facility operations.   COMPOSTING is a highly regulated component ...


    By BioCycle Magazine

  • A comparative study of prognostic MM5 meteorological modeling with aircraft, wind profiler, lidar, tethered balloon and RASS data over Philadelphia during a 1999 summer episode

    This study presents a comparative evaluation of the prognostic meteorological Fifth Generation NCAR Pennsylvania State University Mesoscale Model (MM5) using data from the Northeast Oxidant and Particle Study (NE-OPS) research program collected over Philadelphia, PA during a summer episode in 1999. A set of model simulations utilizing a nested grid of 36 km, 12 km and 4 km horizontal resolutions ...


    By Springer

  • Evaluation of the Lagrangian particle dispersion model DIPCOT against data from wind tunnel simulations of quasi two-dimensional turbulent flow

    The stochastic dispersion model DIPCOT was validated against data from wind tunnel experiments where heat, used as the tracer, was released in a quasi two-dimensional turbulent flow. Dispersion simulations, based on Langevin equation, were performed using measurements and the model predictions were quantitatively compared to the experimental data. Two approaches of the drift term in Langevin ...


    By Inderscience Publishers

  • Energy and exergy assessments for potential wind power in Turkey

    The main objective of the study is to estimate wind power potential of Turkey and provide suitable data for evaluating potential wind power by using the wind data collected at 23 different wind-monitoring stations. In this study, energy and exergy analyses of wind power are used to estimate wind power potential in these areas. Exergy analysis of wind power is investigated according to air ...


    By Inderscience Publishers

  • Dispersion modelling in complex terrain using wind climatologies

    If annual mean values of concentration in complex terrain have to be determined, a representative wind climatology, which reflects local flow characteristics, is needed. This gives rise to two problems. First, observational data representative of the dispersion area are frequently not to hand. Second, the flow in the dispersion area itself may show a significant spatial structure, so transport is ...


    By Inderscience Publishers

  • Verification of wind energy related measurements with a SODAR system

    Abstract Complex terrain and growing wind energy converters (WEC) in wind parks generate increasing interest in determining wind profiles and turbulence besides the general forecast of annual energy production. Increasing hub heights and growing rotor diameters of advanced WEC make SODAR systems a valuable alternative to meteorological towers. SODAR systems provide wind profiles as well as ...

  • Performing CALPUFF Analyses with Pseudo-station Data Derived from MM5 Data

    The U.S. Environmental Protection Agency (EPA) recommends that CALPUFF be used as the preferred model for long-range transport analyses in the proposed “Guideline on Air Quality Modeling” (April 2000). In practice, CALPUFF has been routinely required by the Federal Land Managers (FLM), EPA, and state regulatory agencies for Class I area analyses for several years. These analyses include regional ...

  • Seeking a data model to match turbine advances

    With turbines becoming more innovative, how can developers collect accurate wind data that is centered around lower heights and limited points of measurement? In order to sustain wind power’s leadership in renewable energy, developers and operators will need to build and manage wind farms that deliver competitive results over the long term. The most important driver of wind farm ...


  • Visualizing the stories data can tell

    Scientists and technologists are turning numbers about everything from condors to ocean-floor contours into visual representations of environmental issues. We’re living in an era of Big Data, but too often it’s nothing more than a fire hose of numbers and data sets that most would have difficulty understanding. Increasingly, though, entities such as non-governmental ...


    By Ensia

  • Intercomparison of Lagrangian dispersion models and validation with Lillestrom data

    Three different Lagrangian models (KLIMM-L, LASAT and STOER.LAG) are applied to the Lillestrom datasets. A pre-processing of the required vertical wind-profiles unifies the flow fields for the three models. In the framework of harmonisation the models show partial agreement with the datasets. The discrepancies are the same for all models. One reason for deviation of the datasets might be locally ...


    By Inderscience Publishers

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