wind direction Articles

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Hourly NOx concentrations and wind direction in the vicinity of a street intersection

by Inderscience Publishers  (Oct. 13, 2012)

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. Wind direction at the monitoring site ...

2nd Generation Wind Turbines

by SolarPanels4u  (Jan. 16, 2014)

2nd generation wind turbines are better, more effective, than its predecessor, and succeed in generating more electricity with smaller wind volumes. These wind turbines incorporate two newer technologies, that make them more efficient. Self starting vertical blades and magnetically suspended bearings, which makes them superior to any other. The ...

Influence of exogenous and endogenous factors on the exergy analysis of 3–column array wind farm

by Inderscience Publishers  (Feb. 28, 2014)

Influence of exogenous and endogenous factors on the exergy analysis of 3 column array wind farm for two different layouts are highlighted in this paper. Nine turbines were placed in two different layouts to analyse the influence of exogenous factors such as wind velocity, wind direction, wind distribution and distance between turbines. Endogenous ...

Wind power prefeasibility study for agricultural applications in Kerman, Iran: a case study

by Inderscience Publishers  (Mar. 6, 2014)

In the present paper, wind characteristics have been analysed for three agricultural sectors in Kerman (30°15'N,56°58'E), Iran. Wind data collected from three synoptic stations for the period of July 2006 to June 2011 at the height of 40 m has been used to study the monthly and annual wind energy potential. Two statistical methods (Meteorological ...

ADMS 5 Buildings Validation Lee Power Plant Wind Tunnel Study

by Cambridge Environmental Research Consultants (CERC)  (Jun. 15, 2013)

1 Introduction The Lee Power Plant wind tunnel study1 [1] featured releases from steam boiler stacks with a common height of 64.8 m affected by a building tier with a height of 42.6 m. The world's largest fluid modelling study chamber at Monash University in Australia was used for these experiments (see plan view in Figure 1). Stable ...

Amassing Wind Information

by Second Wind  (May 1, 2011)

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. ...

Gill WindSonic used on robotic mower case study

by Gill Instruments Ltd.  (Jul. 19, 2011)

Gill WindSonic ultrasonic wind sensor provides wind speed and direction data for positioning system on robotic mower. Since its launch in 2002 the Gill WindSonic ultrasonic wind sensor has been used in a wide range of applications and has recently been selected by Precise Path Robotics, Inc. based in Indianapolis, IN USA to form an essential part ...

Intrinsically safe ultrasonic wind sensor

by Gill Instruments Ltd.  (Dec. 2, 2009)

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 ...

Method for comparison of large eddy simulation generated wind fluctuations with short–range observations

by Inderscience Publishers  (Oct. 13, 2012)

The often prohibitive costs of comprehensive field trials coupled with relatively cheap and abundant computational power leads to a strong desire to use modelling tools to supplement field testing of system components. These modelling tools must be capable of reproducing key environmental variables present during field testing and require rigorous ...

CU-Boulder leading study of wind turbine wakes

by Second Wind  (Apr. 26, 2011)

While wind turbines primarily are a source of renewable energy, they also produce wakes of invisible ripples that can affect the atmosphere and influence wind turbines downstream -- an issue being researched in a newly launched study led by the University of Colorado Boulder's Julie Lundquist, assistant professor in the atmospheric and oceanic ...

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