wind recorder Articles

  • Warmest Decade on Record Brings Record Temperatures and Weather Extremes

    In recent years weather events have whiplashed between the extremes of heat and cold, flooding and drought. Carbon dioxide and other greenhouse gases—largely from the burning of coal, oil, and natural gas—have loaded up in the atmosphere, heating the planet and pushing humanity onto a climatic seesaw of weather irregularities. High-temperature records in many places are already being ...


    By Earth Policy Institute

  • Record breaking formula one fan noise control

    Problem: an extract system fan drone creating a potential environmental noise problem. Solution: aerodynamic engineering instead of silencers – in keeping with the Red Bull Technology ethos. The conventional technique used to reduce fan tones like this is a silencer – a large, palliative silencer that doesn’t tackle the source of 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 ...


  • 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 ...


  • Pro`Bat Project with Ultrasonic Wind Sensor

    Sens Of Life, who is an Engineering office, use our ultrasonic wind sensor to develop a new system to reduce bat mortality in wind farms. ProBat’ project is based on the combination of two idea: system of activity prediction and system of activity in real time. For this purpose, Sens Of Life use sensors network throughout Europe. Benefits of ProBat: Efficiency modelable before ...


    By LCJ Capteurs

  • Estimates of lateral dispersion parameters in low wind speed conditions

    Wind speed time series recorded during stable low wind speed conditions are typically non–stationary, with large horizontal oscillations, commonly known as meandering. In this paper, two wavelet–based methods are proposed to obtain lateral dispersion coefficients from such time series. These methods, associated with a specific wind model, have been tested by using wind velocities recorded, with ...


    By Inderscience Publishers

  • Detecting and evaluating climate change effect on frequency analysis of wind speed

    The purpose of this study is to detect an existing trend in wind speed and to evaluate the effect of climate change on frequency analysis of wind speed in Iran. Twenty-two stations with a length of records higher than 50 years have been selected. Five statistical methods that were used to detect the trends are Mann-Kendall, Spearman-Conley, cumulative deviation, autocorrelation coefficient and ...


    By Inderscience Publishers

  • Control of the phytoplankton distribution in the Strait of Gibraltar by wind and fortnightly tides

    CTDefluorescenceeturbidity profiles from two surveys conducted in June and September 1997 were examined in order to evaluate the influence of the predictable fortnightly (spring/neap) tidal cycle and the less predictable wind on the phytoplankton distribution in the Strait of Gibraltar. The injection of the nutrient-rich North Atlantic Water (NACW) in the Atlantic inflowing current is associated ...


  • 3D stream and vortexes in the urban canopy layer and transport of motor vehicles exhaust gas

    Wind-tunnel experiments were conducted to investigate the transport of motor vehicle exhaust gas in the vicinity of a street. The stream and the vertical and horizontal vortexes in 2D and 3D street canyons were visualised using smoke. They were recorded by video camera and the transport of the exhaust gas by vortexes was then investigated. The vertical vortex plays a significant role in the ...


    By Inderscience Publishers

  • High SO2 concentrations in the Norwegian Russian border areas

    Very high concentrations of SO2 were recorded in the border area between Norway and Russia during the first two weeks of July 2007. Concentrations exceeding 20 times the EU limit concentration value were recorded in the town of Nikel. The reason for this was a combination of meteorological conditions with low wind blowing from the nikel smelter towards the monitoring station for almost one week. ...

  • Multiple floating porous absorbers type solar still: annual performance evaluation

    This paper describes an experimental work conducted in order to evaluate the annual performance of a modified single sloped basin type solar still. The modified still consists of a multiple number of blackened porous jute cloth absorbers, which are being floated on the basin water with the help of thermo–col insulations. Higher absorber surface temperatures are rapidly reached in this design, ...


    By Inderscience Publishers

  • ADMS 5 Buildings & Complex Terrain Validation Martins Creek Steam Electric Station

    1 Introduction The Martins Creek Steam Electric Station1 [1] is located in a rural area along the Delaware River on the Pennsylvania/New Jersey border, approximately 30 km north-east of Allentown, PA and 95 km north of Philadelphia, PA. The area can be characterised by complex terrain rising above the stacks. Sources included multiple tall stacks ranging from 122 to 183 ...

  • Case Study Port of Hamburg/Germany

    LOG_aLevel Storm Tide Network at the Port of Hamburg, Germany Since 2003 a Storm Tide Network from General Acoustics GmbH (GA) has been satisfactory operating at the Port of Hamburg. In a first test phase of two years a LOG_aLevel station was successfully tested by the Hamburg Port Authority (HPA) against its conventional gauges. Due to the good results in terms of accuracy and ...


    By General Acoustics e.K.

  • A study of radiation shield effectiveness

    A brief comparison of temperature readings in two passively-ventilated and three fan-aspirated radiation shields under conditions of low wind and relatively high insolation is presented. From each of two periods of study, two days were chosen for conditions of high insolation and low wind to illustrate a reasonable sample of the performance of the shields. A single sample of each shield was used ...


    By Davis Instruments Corp.

  • Smart solar monitoring / PV monitoring with smart weather sensors - Case Study

    When selecting a suitable pyranometer for photovoltaic monitoring the company Solare Datensysteme GmbH decided for the Lufft WS501-UMB All-in-one weather station. According to the company the Pyranometer delivers the most precise measurements for the overall irradiance and serves to measure the exact local prevailing overall irradiance at large plants. The Pyranometer is installed ...

  • Study of particulates and metallic elements at a farm sampling site in central Taiwan

    The total suspended particle (TSP) concentration, dry deposition and wind speed were measured with a PS-1 sampler, a dry deposition plate and a Weather Monitor II (#7440), respectively, at the Experimental Farm of Thunghai University in Taiwan. Taiching Industrial Park, Taichung Cong Road (traffic) and a hospital incinerator are close to the sampling site. The sampling time was from August 2001 ...


    By Inderscience Publishers

  • Estimation of daily dew point temperature using genetic programming and neural networks approaches

    The present study investigates the ability of two different artificial neural network (ANN) models and gene expression programming (GEP) technique for estimating daily dew point temperature by using recorded weather data. The weather data used consist of 8 years of daily records of air temperature, wind speed, relative humidity, atmospheric pressure, incoming solar radiation and dew point ...


    By IWA Publishing

  • Black Box for Electrical Machines

    Abstract This article describes a specific monitoring system for electrical machines, called black box for electrical machines (Electrical Machines Black Box, EMBB).  Detailed analysis about problems of harmful working conditions that can occur on all electrical machines has been made. Based on these data and on measurement and control ...

  • Inverting time dependent concentration signals to estimate pollutant emissions in case of accidental or deliberate release

    We test the reliability of an inverse model to estimate the amount of mass released instantaneously by a source of pollutant in a turbulent boundary layer. To that purpose we use wind tunnel experiments simulating the dispersion of puffs due to the impulsive release of pollutant. For each of these emissions we recorded time dependent signals at fixed receptors. These single signals have been ...


    By Inderscience Publishers

  • Development of dry deposition velocity model for a typical medium level Indian city Karaikudi

    In this study, day and night dry deposition samples were collected with Eagle II arrangement of dry deposition plates. Karaikudi, one of the medium level city in India has been the chosen as area of study. 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). Relation between ...


    By Inderscience Publishers

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