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Zeitschriftenartikel zum Thema "Plants, Effect of wind on – Congresses"

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Sineglazov, Victor. "Synergy Effect Using Vertical-axial Wind Power Plants." Electronics and Control Systems 1, no. 67 (2021): 40–46. http://dx.doi.org/10.18372/1990-5548.67.15588.

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The necessity of using a synergistic effect in energy systems that include vertical axial wind power plants is shown. The ways of achieving a synergistic effect at different levels of the system hierarchy are considered: at the lower level, this is the construction of wind farms, consisting of a group of vertical-axial rotors, located in a certain way in space, at the middle level, the inclusion of wind farms in a hybrid energy system, which may additionally include: solar power plant, wave energy plant, hydroelectric power plant, gas combustion plant, etc. at the upper level – synergies betwe
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Florou, Efterpi, Angela Politi, Evangelia Andreadaki, et al. "When Light Is Crucial, but Wind Is Rather Trivial: A Basil Case Study." Plants 13, no. 22 (2024): 3221. http://dx.doi.org/10.3390/plants13223221.

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Light intensity and wind are critical environmental factors of abiotic stress on plants, triggering a considerable number of morphological and physiological responses. This study tested the hypothesis that different light and wind conditions (full sunlight ± wind, shade ± wind) would affect the leaf content of photosynthetic pigments and anthocyanins, as well as the plant height, the fresh and dry weight of the aboveground part, and Water-Use Efficiency on Ocimum basilicum plants. About 16 days after the application of the different conditions, all leaf pigments of the shaded plants exhibited
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Al-Dousari, Noor, Mohamed Elrawy, Modi Ahmed, and Teena Sara William. "The Effect of Increased Vegetation on Dust in Ghudhai." E3S Web of Conferences 575 (2024): 07005. http://dx.doi.org/10.1051/e3sconf/202457507005.

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The most dominant wind in Kuwait is the north western wind. Ghudhai is an undulating area costal sabkha with smooth sand sheet. The area was fenced in 2019 and monitored for 44 months from September 2019 till April 2023. NDVI index was achieved showing significant enhanced vegetation cover in 2023 due to increased rain precipitation to 143 mm. Dust collectors were placed in the area to roughly estimate and demonstrate the settlement of dust over the area. A total of eight dust collectors were placed upwind and down wind. The most dominant plants in the area is Zygophyllum sp., Nitraria retusa
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Meglic, Antun, and Ranko Goic. "Impact of Time Resolution on Curtailment Losses in Hybrid Wind-Solar PV Plants." Energies 15, no. 16 (2022): 5968. http://dx.doi.org/10.3390/en15165968.

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Curtailment losses for large-scale hybrid wind–solar photovoltaic (PV) plants with a single grid connection point are often calculated in 1 h time resolution, underestimating the actual curtailment losses due to the flattening of power peaks occurring in shorter time frames. This paper analyses the curtailment losses in hybrid wind–PV plants by utilising different time resolutions of wind and PV production while varying the grid cut-off power, wind/solar PV farm sizes, and shares of wind/PV capacity. Highly resolved 1 s measurements from the operational wind farm and pyranometer are used as an
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Clemente, Hiphil S., and Thomas E. Marler. "245 Growth of Papaya Seedlings under Wind Load and Drought Stress." HortScience 34, no. 3 (1999): 484D—484. http://dx.doi.org/10.21273/hortsci.34.3.484d.

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Two studies were conducted with `Known You 1' and `Sunrise' papaya seedlings to determine the combined influence of wind and drought stress on growth. For each study, 4-week-old nursery plants were transplanted into 2.6-L containers and placed in a protected site with rain exclusion provided by polypropylene cover. Industrial fans were used to provide unidirectional wind of ≈2 m/s for 12 hours per day to half of the plants; the remaining half of the plants received no wind. One half of the plants for each cultivar and wind combination were designated as well-watered and received daily irrigati
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Tani, A., and M. Kiyota. "Effect of wind velocity on ethylene release from lettuce plants." Advances in Space Research 20, no. 10 (1997): 1923–26. http://dx.doi.org/10.1016/s0273-1177(97)00626-1.

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Derzaph, Tina L. M., and Howard J. Hamilton. "Effects of Wind on Virtual Plants in Animation." International Journal of Computer Games Technology 2013 (2013): 1–11. http://dx.doi.org/10.1155/2013/674848.

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This paper presents the Growth-Flow method for animating the effect of wind on the motion and growth of virtual plant branches and leaves. The method incorporates changes to the growth rate when a plant is exposed to winds with speeds higher than a threshold. In particular, growth rate is reduced in branch elongation, increased in the branch radius, reduced in leaf length, and increased in leaf thickness. In addition, when a plant is exposed to wind for long time periods, the branch growth angle is changed to align more closely with the wind vector. The Growth-Flow method incorporates all thes
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Trinh, Chuong Trong. "THE IMPACT OF A WIND POWER PLANT WITH DOUBLY FED INDUCTION GENERATOR ON THE POWER SYSTEMS." Science and Technology Development Journal 14, no. 1 (2011): 46–55. http://dx.doi.org/10.32508/stdj.v14i1.1860.

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In this paper the effect of the wind power plants with Double Fed Induction Generator (DFIG) on the electric power system operation is investigated. The important characteristics such as: voltage quality, grid voltage stability, active and reactive loss of a DFIG at different fault conditions are studied. The simulation results clealy show the effect of the wind power plants on the grid voltage stability and power quality of electric power system.
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Bogdan, Ovidiu, and Dan Creţu. "Wind Load Design of Photovoltaic Power Plants by Comparison of Design Codes and Wind Tunnel Tests." Mathematical Modelling in Civil Engineering 15, no. 3 (2019): 13–27. http://dx.doi.org/10.2478/mmce-2019-0008.

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Abstract Wind load design of the ground-mounted photovoltaic (PV) power plants requires interpretation of the design code considering the particularities of these structures. The PV power plants consist on systems of several solar panels. Wind load pressure coefficient evaluation, by design code, for a single solar panel considered as a canopy roof, neglect the group effect and the air permeability of the system. On the other hand, the canopy roofs are structures with medium serviceability, but the PV power plants are structures with low serviceability. This paper discuss the difficulties of t
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Privé, Jean-Pierre, and N. Allain. "The Effect of Wind on the Vegetative and Reproductive Growth of Four Primocane-fruiting Red Raspberries (Rubus idaeus L.) in the Establishment Year." HortScience 31, no. 4 (1996): 575e—575. http://dx.doi.org/10.21273/hortsci.31.4.575e.

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Four primocane fruiting (PP) red raspberry cultivars, `Bogong', `Cascade', `Heritage', and `Dinkum', were grown in exposed or sheltered (50% permeable artificial windbreak) sites fully exposed to prevailing westerly winds. The cultivars were evaluated to determine the effects of wind stress on vegetative and reproductive development and leaf gas exchange during the establishment year. The artificial windbreak resulted in an overall 35% reduction in wind velocity, increased the number of calm days (<5.4 km·h–1) and decreased the incidence of strong breezes (>36 km·h–1). Concurrently, the
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Dissertationen zum Thema "Plants, Effect of wind on – Congresses"

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Pinger, Andrew James. "Application of GIS and Spatial Analysis of Golden Eagle Fatalities Caused by Wind Turbines at the Altamont Pass Wind Resource." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/197.

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The Altamont Pass Wind Resource Area (Altamont) near Livermore, California is the oldest and largest wind farm in the United States. It is known as a location of high avian mortality, especially for diurnal raptors such as the Golden Eagle (Aquila chrysaetos). Using the avian monitoring data collected at Altamont for over thirteen years (1998-2003, 2005- 2011), records were analyzed of 134 golden eagle deaths caused by wind turbine collisions. All wind turbines present during the same temporal range were characterized according to turbine variables, and geographic placement characteristics. Va
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Lombard, Andrea. "Wind energy landscapes, place attachment and tourism in the Route 27/West Coast Region of South Africa." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/79872.

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Thesis (MA)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: The West Coast Region (WCR) of the Western Cape Province in South Africa is earmarked for at least 13 windfarm developments. These proposed developments represent an investment in and a movement towards cleaner and alternative ways of energy generation. All developments that will alter the environment or landscape are usually received with some sort of opposition. The aim of this study was to determine whether or not the presence of wind turbines in the form of wind farms will have any affect on the sense of place of insider
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Söderström, Hanna. "Semipermeable membrane devices as integrative tools for monitoring nonpolar aromatic compounds in air." Doctoral thesis, Umeå University, Chemistry, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-378.

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<p>Air pollutants pose a high risk for humans, and the environment, and this pollution is one of the major environmental problems facing modern society. Active air sampling is the technique that has been traditionally used to monitor nonpolar aromatic air pollutants. However, active high volume samplers (HiVols) require a power supply, maintenance and specialist operators, and the equipment is often expensive. Thus, there is a need to develop new, less complicated sampling techniques that can increase the monitoring frequency, the geographical distribution of the measurements, and the number o
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Bücher zum Thema "Plants, Effect of wind on – Congresses"

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P, Coutts M., and Grace J. 1945-, eds. Wind and trees. Cambridge University Press, 1995.

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Yabuki, Kazutoshi. Photosyntetic rate and dynamic environment. Kluwer Academic Pub., 2004.

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Powlesland, Ralph. Impacts of wind farms on birds: A review. Pub. Team, Dept. of Conservation, 2009.

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Maulbetsch, John S. Effect of wind on the performance of air-cooled condensers: Final project report. California Energy Commission, 2010.

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H, Nacfaire, and Commission of the European Communities. Directorate-General for Energy., eds. Autonomous and wind-diesel systems. Elsevier Applied Science, 1989.

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Helmut, Mayer. Baumschwingungen und Sturmgefährdung des Waldes. Lehrstuhl für Bioklimatologie und Angewandte Meteorologie, 1985.

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European Conference on Chemistry and the Environment (2nd 1984 Lindau, Bavaria, Germany). Air pollution and plants. VCH Publishers, 1985.

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Richard, Anderson, and National Wind Coordinating Committee (U.S.). Avian Subcommittee., eds. Studying wind energy/bird interactions: A guidance document. National Wind Coordinating Committee, 1999.

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Lanicci, John M. Sensitivity tests of a surface-layer windflow model to effects of stability and vegetation. Atmospheric Sciences Division, Air Force Geophysics Laboratory, 1985.

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International Conference on Plants and Environmental Pollution (2nd 2002 Lucknow, India). Second International Conference on Plants and Environmental Pollution (ICPEP-2). Edited by Krupa Sagar V. Elsevier, 2003.

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Buchteile zum Thema "Plants, Effect of wind on – Congresses"

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Yong, Lin, Wu Jun, Xia Mingchao, Wang Chen, and Ao Ran. "Study on Measurement and Simulation Evaluation of Large Wind Power Plant Caused Effects on Power Quality." In Proceedings of ISES World Congress 2007 (Vol. I – Vol. V). Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75997-3_469.

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Järvinen, Mika, Hanna Paulomäki, Rogier Ralph Floors, et al. "Wind Energy." In Green Energy and Technology. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69856-9_5.

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Abstract Wind power is a mature technology that has been harnessed by humans for millennia, offering numerous environmental advantages over the use of fossil fuels. This chapter on wind power focuses on horizontal axis technology, covering the technical operating principles, basic design of turbine blades, an analysis of wind as an energy resource, and aspects of turbine siting and wake effects in the design of on- and offshore wind-power plants. Additionally, the utilization of wind atlases is described, along with methodologies for estimating the capacity factor, defined as the proportion of
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Veith, Michael, Cosima Lindemann, Andreas Kiefer, and Martin Koch. "Windkraft und Fledermausschutz im Wald – eine kritische Betrachtung der Planungs- und Zulassungspraxis." In Evidenzbasiertes Wildtiermanagement. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65745-4_7.

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ZusammenfassungDer Ausbau der Windenergie findet zunehmend im Wald statt, da hier häufig windhöffige und damit ökonomisch attraktive Standorte zu finden sind. Allerdings ist hier der Konflikt mit dem Artenschutz im Allgemeinen und dem Fledermausschutz im Speziellen besonders hoch. In diesem Beitrag beleuchten wir vor dem Hintergrund des gesetzlich vorgegebenen normativen Rahmens den artenschutzrechtlichen Teil der Windkraftplanung im Wald mit Bezug auf Fledermäuse – von der Untersuchungsplanung über die eingesetzten Methoden bis zur Bewertung. Bezogen auf Fledermäuse stehen hier insbesondere d
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Li, Jie Jack. "Drugs of the Mind." In Laughing Gas, Viagra, and Lipitor. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195300994.003.0010.

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Alcohol produces a range of central-nervous-system-related biological effects, including anxiety reduction, euphoria, sedation, disinhibition, aggression, blackouts, tolerance, addiction, and withdrawal. The Chinese have used alcoholic drinks since 5000 B.C. Presumably, man ventured to drink the liquid from fermented grain, liked the intoxicating effect, and started to make it on purpose. Alcohol has been used as an anesthetic for millennia (see chapter 7). Alcohol is indispensable in medicine as a solvent. Laudanum, a staple of the medicine chest in the nineteenth century, was simply an alcoh
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Romanowska, Mirela. "Impact of Conventional and Wind Energy Production on Human Health." In Ochrona zdrowia i gospodarka. Przegląd współczesnych problemów systemu opieki zdrowotnej. Wydawnictwa Uniwersytetu Warszawskiego, Sekcja Wydawnicza Wydziału Zarządzania UW, 2022. http://dx.doi.org/10.7172/978-83-235-5874-3.swwz.11.9.

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The paper presents the impact of manufacturing electric energy on human health. The chosen method of eclectic energy production, on the one hand, is a factor facilitating the improvement of the standard of living; on the other hand, however, it may have a significantly adverse effect on the quality of life. The purpose of the article is to present the impact of energy production from conventional sources and wind turbines on human health and related health costs. ExternE methodology was used to present the health impact of manufacturing energy from conventional sources and to assess the health
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Hamida, Mallem. "The Role of Pre-Desert Vegetation in the Rehabilitation of Degraded Soil." In Vegetation Dynamics - Ecosystem Management, Conservation, and Protection [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1006659.

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In arid and Saharan zones, drought and human activities accentuate the risk of degradation of pre-desert rangelands. Some plants disappear, while others persist and adapt. In this study, we aimed to list the plants that can grow in a sandy environment and investigate their distribution levels and effect on sand dunes. We conducted vegetation inventories in Laghouat province in Algeria, and we calculated the ecological parameters using the transect method. The height of fixed windblown deposits was measured under all inventoried plants. Under three perennial plants (Retama raetam, Aristida pung
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Jelley, Nick. "7. Renewable electricity and energy storage." In Renewable Energy: A Very Short Introduction. Oxford University Press, 2020. http://dx.doi.org/10.1093/actrade/9780198825401.003.0007.

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‘Renewable electricity and energy storage’ addresses the transmission of electricity using high voltage alternating or direct current (HVAC or HVDC), the effect of the variability of renewable energy supplies, and the importance of energy storage. Solar and wind farms are now providing an increasing proportion of electricity on many electricity grids. This is changing the requirements on power plants, requiring fast-reacting generators, interconnectors to other grids, demand response, smart grids, and energy storage. There is a cost in accommodating the variability in supply of electricity fro
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Dubey, Ritambhara, and Neda Yaghoobian. "Effect of Spatiotemporally Varying Fuel Moisture Content on Turbulence Statistics During Fire Propagation." In Advances in Forest Fire Research 2022. Imprensa da Universidade de Coimbra, 2022. http://dx.doi.org/10.14195/978-989-26-2298-9_220.

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Prescribed burns are valuable tools utilized for land management. They serve the purpose of reducing the risk of wildfires by lowering the build-up of dry fuels, improving forest health, and controlling the growth of plants and insects. One of the crucial components that affects the execution of prescribed burns and controls the fire behaviour and smoke dispersal thereafter is the fuel moisture content, which needs to be considered when planning prescribed burns. The fuel moisture content variation is dependent on the meteorological variables, fuel properties, and the local turbulent fire dyna
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Mamulashvili, George. "Hydro Power Tower (HYPOT)." In Hydropower [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.100107.

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Humanity has used the power of falling water for centuries to produce electrical energy, but there have been no significant changes in technology. Marine Energy has received an explosive development. Traditional technologies are passive and have low efficiency. It is not possible to use the effect of falling water in the ocean. The chapter considers the technology, which allows to convert not only the kinetic energy of a moving horizontal flow, but also the potential energy of water hammer in a combination of pressure drop between layers of water that have different hydrodynamic characteristic
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Benaradj, Abdelkrim, Hafidha Boucherit, Abdelkader Bouderbala, and Okkacha Hasnaoui. "Biophysical Effects of Evapotranspiration on Steppe Areas: A Case Study in Naâma Region (Algeria)." In Climate Issues in Asia and Africa - Examining Climate, Its Flux, the Consequences, and Society's Responses [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97614.

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The Algerian steppe is of great interest in terms of vegetation, mainly in the Naâma region. This steppe vegetation is generally composed of annual and perennial grasses and other herbaceous plants, as well as, bushes and small trees. It is characterized by an arid Mediterranean climate where the average annual precipitation (100 to 250 mm) is insufficient to ensure the maintenance of the vegetation, in which the potential evaporation always exceeds the precipitations. This aridity has strong hydrological effect and edaphic implications from which it is inseparable. Water losses are great than
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Konferenzberichte zum Thema "Plants, Effect of wind on – Congresses"

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Nag, Soumyadeep, S. M. Shafiul Alam, and Juan Gallego-Calderon. "Mitigating the Effect of Wind Ramp Events on Local Run-of-River Hydropower Plants Using Cooperative Control." In 2024 IEEE Power & Energy Society General Meeting (PESGM). IEEE, 2024. http://dx.doi.org/10.1109/pesgm51994.2024.10688932.

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Richards, Phillip, Todd Griffith, and Dewey Hodges. "Operating Strategies and Design Recommendations for Mitigating Local Damage Effects in Offshore Turbine Blades." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9690.

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Two major barriers to widespread US acceptance of offshore wind energy is reliability of rotor blades and the difficulty to access for inspection and maintenance. This work presents operation and design strategies aimed to increase blade reliability and maximize power production. Operating strategies that prolong blade life while optimizing energy output allow for smarter maintenance planning and lower maintenance costs. Offshore plants require significant balance of station costs associated with each turbine, leading to large rotor diameters to capture the most energy per turbine. Rotor diame
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Maulbetsch, John S., Michael N. DiFilippo, and Joseph O’Hagan. "Effect of Wind on Air-Cooled Condenser Performance." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63157.

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This paper documents the results of a field tests to determine the effect of wind on the performance of air-cooled condensers (ACCs) at power plants. Continuous measurements of wind speed, wind direction, cell inlet temperature and air flow and plant operating variables were made for several days at the El Dorado Energy Center. ACC performance was shown to be affected both by hot air recirculation and by fan performance degradation. Average recirculation, defined as the difference between the average cell inlet temperature and the far-field inlet temperature, was usually less than 3 °F. Occasi
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Lan, Chuanjin, Zhen Li, and Yanbao Ma. "Numerical Study of Sand Deposition and Control by Flat Solar Panels." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89648.

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To make the best use of solar energy, most solar plants are located in deserts or dry and sandy areas, where most of the sand originate in sandstorms and desertification. For large scale solar plants, the structure of the solar panels can reduce the mean wind speed greatly, thus having a great effect on the deposition and entrainment process of the sand and dust. To study the effect of installment of solar panels on wind flow, numerical simulations are applied to get the turbulent flow field in the lee of the solar panels, with inclination angles ranging from 15° to 30° and at different spacin
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Li, Zhen, Chuanjin Lan, and Yanbao Ma. "Effects on Dust Emission From an Inclined Flat Solar Panel." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89463.

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Flat solar panels array is one of the typical geometries used in photovoltaic (PV) power plants. The presence of these inclined solar panels can significantly accelerate or decelerate wind speed and distort the wind velocity profiles near the ground when wind flows around, which leads to considerable changes in dust emissions determined by shear stress at ground surface. To understand the fundamental principle of the effects of a flat solar panel on the dust emission rate at ground surface, the incompressible viscous flow past an inclined flat plate with ground effect was numerically investiga
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Kruger, Sunita, and Leon Pretorius. "The Effect of Time-Varying Wind Direction on the Indoor Climate of a Naturally Ventilated Greenhouse." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38907.

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This paper presents a numerical investigation into the indoor climate of a four span naturally ventilated, four span greenhouse subject to a time-varying wind direction. The effect of transient wind conditions on the temperature and velocity distribution inside the greenhouse is numerically determined using Computational Fluid Dynamics (CFD). The research in this paper is an extension of work previously conducted on two-dimensional models of greenhouses. Current work concentrates on the three-dimensional effect of external winds. Results indicate that for a wind direction of 22.5 degrees, the
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Wang, Biyang, Xifan Wang, Xiuli Wang, and Chengcheng Shao. "Reliability evaluation of offshore wind power plants considering environmental effect." In 2017 IEEE Power & Energy Society General Meeting (PESGM). IEEE, 2017. http://dx.doi.org/10.1109/pesgm.2017.8274120.

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F. Merjan, Ali, Hala Jumaah Asree, and Hanan Ali Kareem. "The Effect of Moringa Oleifera Powder On the Ability of Fusarium Spp Isolates to Produce Toxic Metabolites On Wild Eggplant, Atropa Belladonna." In IX. International Scientific Congress of Pure, Applied and Technological Sciences. Rimar Academy, 2023. http://dx.doi.org/10.47832/minarcongress9-14.

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This study was conducted to estimate Fusarium spp ability to produce toxin metabolite, and evaluatethem by using Atropa belladonna leaf as detcror plant, F. graminearum was the most significantly isolate who effect in phytotoxicitly to Atropa belladonna leaf plants 67 %, also to evaluate efficiency of Moringa oleifera powder plant in inhibition radial growth Fusarium spp in agar plates, F. verticillioides, F. moniliforme were the biggest isolates affected by of Moringa oleifera powder plant 67 %. Results revealed that Moringa oleifera had significant effect in inhibiting phytotoxicity metaboli
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Stephan, Melanie, Jens O. Weber, Ulrich Wuttke, and Christina Berger. "Fasteners at Low Temperatures: Characterization and Methods for Design." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63570.

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Bolted joints are a major part of wind energy plants. Due to climatic conditions, they are often exposed to temperatures far below the freezing point. Together with the multiaxial state of stress, which results from the notch effect of the thread, and possible dynamic overloads during operation, sufficient ductility of the material is needed. The state of the art method to investigate the ductile behavior of fasteners is the Charpy pendulum impact test with a V-notched specimen. According to international standard DIN EN ISO 898-1 [1] respectively ASTM F568M-07 [2], fasteners made of carbon st
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Sozen, Derya, and Mesut Kartal. "Scatter and Doppler Effect of Wind Power Plants to Land Radars." In 2012 UKSim 14th International Conference on Computer Modelling and Simulation (UKSim). IEEE, 2012. http://dx.doi.org/10.1109/uksim.2012.68.

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