VDI Verlag eLibrary

Schwingungen von Windenergieanlagen 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2301 2017

Treffer in den folgenden Teilen:

J. M. Gallego-, J. Gardyn Secondary Damage Detection on Main Drive Train Meana, Components of WTGs – Lessons learnt from Field experience S. 61-76

„… Secondary Damage Detection on Main Drive Train Components of WTGs Lessons learnt from Field …” „… in Wind Turbine Generators in the market, and with a better understanding of the capabilities and …” „… wind turbines causing severe operational and economic consequences. The failure rate of non-primary …”

T. Schumacher Innovatives Schwingungstilgerkonzept zur Reduktion von Turmschwingungen S. 113-120

„… ausgedehnten Strukturen von Windenergieanlagen (WEA) können durch Wind, Wellen oder Kräfte aus dem Betrieb der …” „… large structures of wind turbines are subject to vibrations due to wind, waves and operational forces …” „… vibrations in the first tower bending mode. Especially the compact design of the RMA opens field of new …”

M. Zürcher, E. Schlücker, W. Holweger Experimentelle Untersuchung und Zustandsüberwachung des White Etching Crack Phänomens S. 77-88

„… bearing failures in wind turbines. However, the resulting pitting on the bearing raceway surfaces are the …” „… , 2015, 59: 37 [4] Evans, E.: An updated review: white etching cracks (WECs) and axial cracks in wind …” „… . [12] Esmaeili, K., Zuercher, M., Wang, L. et.al.: Advanced signal processing techniques for wind …”

doi.org/10.51202/9783181023013

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AgEng LAND.TECHNIK 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2406 2022

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S.-W. Lee, I.-H. Seo Evaluation of particulate matter concentrations by crop cultivation in reclaimed land – Reduction of particulate matter by crop cultivation S. 533-540

„… field, changes in the concentration of particulate matter are sensitive to wind. Wind directions were …” „… side of the field at a place located in a line with the main wind direction. VDI-Berichte Nr. 2406 …” „… the crop field. As a result of monitoring, In the early stage of crop growth, the concentrations of PM …”

H. Sahu, D. Janke, T. Amon, S. Hempel Investigation of the vertical distribution of ammonia, methane, and carbon dioxide in a naturally ventilated dairy barn – Evaluation of gaseous pollutants concentrations S. 601-610

„… , taking the wind direction and wind speed into account. A high-frequency Fourier-transform-infrared …” „… ground and an ultrasonic anemometer to estimate wind flow characteristics. Gas concentrations were …” „… concentrations were significantly different at each height under most wind flow conditions. However, under …”

K. A. Kibwika, I.-H. Seo A CFD study on Ventilation and Micro-environment in Tomato Greenhouse-complex Located on Saemangeum Reclaimed Land – Model design approach and validation procedure S. 611-616

„… owing to the ineficiencies in with open field agriculture. Conscequently, Korean government recently …” „… validating models with no field data. These methods will be used to to evaluate local natural ventilation …” „… tendencies[1]. This has rendered open field cultivation cost inefficient, un dependable and inconsistent in …”

E. M. Doumbia, T. Amon, S. Hempel Pressure drop of an animal occupied zone depending on the animals positioning S. 381-386

„… animal husbandry field, many questions regarding airflow and gas emission are still unanswered. This is …” „… the pressure drop for slow wind (below 3 m s-1) in general. For higher velocities, especially when the …” „… wind is coming in the front of the AOZ, the difference in pressure drop can be as high as 25% for 5 m s …”

M. Pokriefke, P. Müller Development of an innovative soil-cultivation-system for energy-saving straw conditioning and ultra-shallow tillage (“Grinder”) – Problems and challenges in stubble cultivation S. 573-580

„… the field, volunteer seeds remaining on the soil surface are permanently attacked by fungi …” „… significantly worse with increasing sowing depth. In field trials conducted over several years, Lamb und Johnson …” „… from sun and wind water will be conserved and water can rise up from deeper layers and can initialise …”

C. Depenbrock, L. Frerichs Investigation and testing of a novel concept for straw management with the “Kombi-Mulcher” – How the decoupling of combine threshing and straw management by means of a “Kombi-Mulcher” contributes to e... S. 179-188

„… developments. For a more sustainable agriculture, it is desirable to achieve a humus build-up in the field and …” „… the complete straw incorporation or straw removal from the field. For optimal control of the nutrient …” „… and productively due to a lower straw content in the crop flow. The straw remaining in the field will …”

M. Geyer, K. Salama A procedure to recycle plastic film in asparagus cultivation without polluting the environment S. 509-516

„… against wind erosion, and reduction of herbicides. However, asparagus cultivation has an image problem in …” „… pockets that prevent the films from flying away due to wind during separation. Depending on the filling …” „… operating resources, and for rewinding the film on the field, and the intermediate dry storage. The average …”

H. Battke, L. Krause, J. Petri China’s spraying drone trend – a European opportunity? S. 217-234

„… . 2406, 2022 221Effectiveness in the fieldArea performanceEven though hundreds of thousands of spraying …” „… 4D released the first version of Pix4Dmapper, earlyadopters in agriculture flew drones over fields …” „… enter the market in the US.● We witnessed the large-scale professional operation of field robots and …”

A. Kavga, T. Petrakis, V. Thomopoulos The contribution of innovative semi-transparent photovoltaics for energy autonomy in the field of greenhouse systems S. 61-68

„… The contribution of innovative semi-transparent photovoltaics for energy autonomy in the field of …” „… greenhouses, as they are placed in open fields, without natural or man-made obstacles for the propagation of …” „… A-T7-WAW Rotronic AWS / Greenhouse Wind Speed A100K Vector Instruments AWS GHI CMP3 Kipp & Zonen AWS …”

O. Lagnelöv, G. Larsson, A. Larsolle, P.-A. Hansson Electric tractors – Sustainable and Profitable? Economic and environmental impact of autonomy and electric drivelines in agriculture S. 189-196

„… self-driving modes considered. For fuel, Swedish marginal electricity mix (41% natural gas, 35% wind power …” „… , "Life Cycle Assessment of Autonomous Electric Field Tractors in Swedish Agriculture," Sustainability …” „… . Larsson, D. Nilsson, A. Larsolle, and P.-A. Hansson, "Cost analysis of autonomous battery electric field …”

A. Kavga, T. Petrakis, I. Lycoskoufis, V. Thomopoulos The contribution of innovative semi-transparent photovoltaics for energy autonomy in the field of greenhouse systems S. 631-638

„… The contribution of innovative semi-transparent photovoltaics for energy autonomy in the field of …” „… in sunlight gives value to the greenhouses, as they are placed in open fields, without natural or …” „… Rotronic AWS / Greenhouse Relative Humidity MP101A-T7-WAW Rotronic AWS / Greenhouse Wind Speed A100K Vector …”

doi.org/10.51202/9783181024065

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International Conference on Gears 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2389 2022

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R. Chen, D. Qin, C. Liu Study on electromechanical coupled dynamic characteristics of transmission system of wind turbine S. 763-778

„… Study on Electromechanical Coupled Dynamic Characteristics of Transmission System of Wind Turbine …” „… University, China Abstract: With the rapid development of wind power generators, the operational …” „… reliability of the main drive systems of wind power generators has received extensive attention. The wind …”

S. Bill Efficiency improvement and surface protection by using particle-based phyllosilicate-additive S. 935-942

„… application (simulated by Sentient Science with real gearbox roughness values of a common wind turbine …” „… in the lab and in the field. The tribological performance was proven with different test bench …” „… wind turbine gear oil Castrol Optigear Sythetic X320 (gray curve) and in the same oil modified with …”

A. Alnahlaui, P. Tenberge Improved method for the determination of tooth root endurance strength S. 31-44

„… times, such as those used in wind turbines (WTGs), power plant technology or railroads, a significant …” „… the field of gear drives and is characterized by an extended fatigue strength branch with a reduced …” „… one sample. The fields marked in green correspond to the passed load levels, while the red fields …”

A. Zhang, J. Wei, M. Cao, B. Peng Dynamic modeling and accuracy evaluation method for complex irregular components of aviation transmission S. 573-584

„… M M ΦΛK K Φ M M Φ (2) To eliminate the slave DOFs field and neglect …” „… characteristics and experimental study on a wind turbine gearbox, Journal of Mechanical Science and Technology, 33 …” „… wind turbine gearbox considering tooth contact of internal gear system, Journal of Mechanical Science …”

A. Wedmann, M. Stein, K. Kniel Gear calibration in tactile scanning mode on CMMs S. 1539-1552

„… development in the field of coordinate measuring technology. In addition to the development of optical sensors …” „… ]. Especially with regard to large gears, such as those used in wind turbines, long single-point measurements …” „… improve the standards and calibration processes intended for this purpose. In the field of gear …”

L. Bonaiti, F. Rosa, P. Mahendra Rao, C. Gorla, F. Concli Gear root bending strength: statistical treatment of single tooth bending fatigue tests results S. 15-30

„… [33], wind turbine gearboxes [34], [35], generic applications [36] as well as additively manufactured …” „… field of welded joints. As in the adopted STBF test configuration, more than one possible failure point …” „… . Albertini, “Bending fatigue strength of innovative gear materials for wind turbines gearboxes: Effect of …”

N. Blech, T. Tobie, K. Stahl, C. Guntner, S. Schurer Material influence on mechanical properties of gears with alternative microstructures S. 265-280

„… field of load carrying capacity of gears identified microstructures of martensite with fine dispersed …” „… typically used for larger gear components, e.g. in wind turbines, because of its higher hardenability …”

doi.org/10.51202/9783181023891

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Technische Sicherheit

Alle Ausgaben: Technische Sicherheit

TeSi Jahrgang 13 (2023) Heft 03-04 ISSN Online: 2191-0073

Treffer in den folgenden Teilen:

Sebastian Schalau, Bernd Schalau, Simon Michel, Tobias Schalau Ein prognostisches Windfeldmodell für die neue VDI-Richtlinie 3783 Blatt 1/A prognostic wind field model for the new VDI guideline 3783 sheet 1 S. 24-29

„… Windfeldmodelle bei drei komplexen Bebauungssituationen untersucht.A prognostic wind field model for the new VDI …” „… change to a Lagrangian particle model taking place. A wind field is required for the calculation of gas …” „… propagation with buildings. With AUSTAL, the diagnostic wind field model TALdia is also made available, which …”

doi.org/10.37544/2191-0073-2023-03-04

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Schwingungen von Windenergieanlagen 2019

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2346 2019

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C. T. Geiss Predictive Maintenance für WEA-Strukturen S. 97-108

„… the future market environment of renewable energy sources – especially for onshore wind energy …” „… macro and micro economical frameworks, e.g. for the global environment as well as for the single wind …” „… through the tension field of energy transition from fossil and nuclear sources to renewable energy …”

A. Bustamante, A. Rieger, F. Peterek, B. Vera-Tudela Loads asymmetry estimation using fos4X turbine load control S. 229-240

„… field continuously sees the manufacturing of larger wind turbine blades, as well as the installation of …” „… have been various initiatives in the wind energy field aimed to highlight their relevance to decrease …” „… , 150 and 200 Kg) were used to create 10 turbulent wind fields at 8 and 14 m/s. Variations found were …”

C. Schwarz, C. Schulz Indirect Model Predictive Control and its Impact on the Fatigue Strength of the Drivetrain S. 171-182

„… of the drivetrain fatigue strength. Six representative different turbulent full-field wind speeds of …” „… and V t the scalar rotor effective wind speed. There exists several approaches to map the full-field …” „… applied to six different turbulent full-field wind speeds. They were generated by the NREL software …”

A. Krimmer Vermeidung von fertigungs- und konstruktionsbedingten Schäden an Rotorblättern S. 209-210

„… conversion wind energy has become a competitive energy source. Experience of up to 20 years has been …” „… accumulated for wind energy converters (WEC) below 2 MW nominal power. The transition towards bidding system …” „… in field operation. This document proposes an approach how to feed the effect of waves and …”

J. Liersch, M. Wagner, M. Wegner, M. Mühlbauer, P. U. Thamsen Standortspezifische Erosionsmilieuermittlung als Grundlage für eine Vergleichsanalyse zum Schadensfortschritt an realen Rotorblattgeometrien von WEA mit Hilfe eines Erosionsprüfstandes S. 211-222

„… Composites.Doktorarbeit, Institut für Verbundwerkstoffe GmbH, Kaiserlautern, 2002. [3] FieldJ.E. et al.: „Cavitation in …” „… Detection for Rotor Blade LEP Dipl.-Ing. J. Liersch, Dipl.-Ing M. Wagner, B.Sc. M. Wegner, Key Wind …” „… erosion protection system for a wind turbine blade. These categories can then be mapped in test …”

C. Heilmann, A. Grunwald, M. Melsheimer Rotorauswuchten wird volljährig – was lernte die Windbranche in 18 Jahren? S. 85-96

„… reduction – how to assure it in the field?, WindEurope-Summit 2018, Hamburg [16] Alexander Donth, Anke …” „… , Dipl.-Ing. A. Grunwald, M. Melsheimer, BerlinWind GmbH, Berlin Kurzfassung Das mobile Auswuchten …” „… Messungen an anderen (Turbo)maschinen und Turbinen: - Der unbeeinflussbare, fluktuierende Wind ist der …”

L. Schubert, E. Schulze, B. Weihnacht, B. Frankenstein, T. Henker Zustandsüberwachung an Rotorblättern von Windkraftanlagen mittels Schallemissionsanalyse S. 57-84

„… Monitoring of wind turbine rotor blades using acoustic emission technique Dr.-Ing. L. Schubert …” „… parts of wind turbines. Every four years a failure occurs in Germany. It has been development taking …” „… systems based on optic cables are used in the field. This paper gives an overview over the present state …”

doi.org/10.51202/9783181023464

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Technische Zuverlässigkeit 2019

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2345 2019

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C. T. Geiss Prognostics & Health Monitoring von Windenergieanlagen als Baustein der Energiewende S. 29-42

„… Prognostics & Health Monitoring of Wind Turbines as Cornerstone for the Energy Transition Process Dr.-Ing …” „… environment of renewable energy sources – especially for onshore wind energy systems – economic and …” „… frameworks, e.g. for the global environment as well as for the single wind turbine operator. One of the …”

doi.org/10.51202/9783181023457

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LAND.TECHNIK 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2395 2022

Treffer in den folgenden Teilen:

A. Leenknegt, T. Mahieu, G. Nerinckx, B. Lenaerts, B. Missotten Automatic residue spreading control based on radar sensing technology on a combine harvester S. 87-96

„… more even residue coverage over the complete field, reducing tillage needs and contributes to better …” „… , yield, slope and wind, add up to the continuous challenge for the combine driver to adjust the residue …” „… nowadays is making this even more challenging. VDI-Berichte Nr. 2395, 2022 87 Fig. 1: Wind …”

N. Strieker, T. Kohmascher Increased Dynamics and System Efficiency with Position-Controlled Hydraulic Cylinder S. 125-132

„… compensation of alternating side wind. All this leads to the high level of requirements of performance and …” „… , 2022 125 deflectors allows for the compensation of various work widths, side wind and slopes. The …” „… save the farmer one additional cultivation step in the field. This newly developed CLAAS solution was …”

P. Riegler-Nurscher, J. Prankl, D. Schauer Stereo camera-based method for grassland yield estimation S. 301-308

„… plant species on the same field or grassland area. Current methods are based on ultrasound, radar …” „… matter yield prediction. The development of the method was accompanied by field trials under …” „… accuracy of 0.886 (IoU of 0.448). For yield estimation 300 samples on 10 fields have been drawn and split …”

doi.org/10.51202/9783181023952

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Partitioned Solution Strategies for Strongly-Coupled Fluid-Structure Interaction Problems in Maritime Applications

Marcel König

Reihe: Mechanik/Bruchmechanik

Band 351 2018

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Introduction S. 1-4

„… flutter, the wind-induced vibration of bridges, or the blood flow in arterial vessels. Such kind of …” „… of the fields have influence on the respective other. In the context of FSI, problems are weakly …” „… area. In this thesis, the FSI of a floating offshore wind turbine and the landing maneuver of a crew …”

Advanced Applications S. 218-240

„… floating offshore wind turbine (OWT) and the berthing maneuver of a crew transfer vessel to an OWT are of …” „… problems. 7.1 Floating Offshore Wind Turbine In recent years, offshore wind energy has become an …” „… conventional energy sources. Many countries in the world have already identified the huge potential of wind …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… – Partitioned Solution Approach – Maritime Applications – Floating Offshore Wind Turbines – Landing Maneuver of …” „… regarding installation and maintenance of offshore wind turbines, funded by the Hamburg Research and Science …” „… offshore wind turbines, financed by the Federal Ministry for Economic Affairs and Energy, which I conducted …”

Bibliography S. 252-266

„… non-matching discretizations, and with application to wind turbines”. In: Computer Methods in Applied Mechanics …” „… wind turbine rotors at full scale. Part II: Fluidstructure interaction modeling with composite blades …” „… , 2003. [25] H.-J. Bungartz et al. “A plug-and-play coupling approach for parallel multi-field …”

Benchmark Problems S. 158-217

„… exchanged field quantities, a mesh-dependent interpolation according to Section 4.5.5 and 4.5.6 is performed …” „… unless stated otherwise. This ensures both an effective and accurate transfer of the relevant fields …” „… fluid problem, and the generalized-α scheme with spectral radius ρ∞ = 0.8 for the structural field. The …”

doi.org/10.51202/9783186351180

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Gefahrstoffe

Alle Ausgaben: Gefahrstoffe

GrdL Jahrgang 82 (2022) Heft 11-12 ISSN Online: 0949-8036

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Fabrizio Innocenti, Rod Robinson Differential Absorption Lidar (DIAL) Measurements of Pollutants and Greenhouse Gases from Industrial Emissions S. 310-312

„… obstacles such as buil-dings. The calculated wind field is then combined with the mea-sured gas …” „… are combined with wind data.The mobile DIAL systems developed at NPL for the remote measurements of …” „… varies from day to day and can also change throughout the day.Wind data is collected using a fixed …”

doi.org/10.37544/0949-8036-2022-11-12

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International Conference on Gears 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2294 2017

Treffer in den folgenden Teilen:

D. Strasser, S. Troll, R. Sperlich, J. Münch Reliability safeguarding for an 8 MW wind energy gearbox in serial production – Prototype and process development ensuring stable quality at the highest level S. 1085-1100

„… Reliability Safeguarding for an 8 MW Wind Energy Gearbox in Serial Production Prototype and …” „… given on ZF’s actions regarding field monitoring as well as on gearbox concepts for future turbine …” „… wind, e.g. Dutch Borssele III & IV with 54.5 EUR/MWh. Therefore, offshore has potential of reducing …”

S. Grützner Holistic simulation of gearboxes – system simulation S. 51-60

„… machines or generators (e.g. wind energy plants (WEP)) and therefore its life span. Reference [3 …” „… system. 4. Outlook – WindTwin project – New ways of monitoring the maintenance condition of wind …” „… turbines using virtual plants Research has shown that preventive maintenance of wind turbines cost 25 …”

H. B. Endeshaw, S. Ekwaro-Osire, F. M. Alemayehu, J. P. Dias Estimation of remaining useful life of gears with uncertainties in loading and material parameters S. 1063-1072

„… power, 27.4 m rotor diameter and 42 m hub height) wind turbine. A full field wind model for a 42m hub …” „… Remaining useful life (RUL) prediction of wind turbine gearboxes is especially important since the failure …” „… causes of the premature fault of wind turbine gearboxes is attributed to the fatigue fracture of gear …”

B. Schlecht, T. Schulze, K. Riedel Tooth contact analysis under load on double helical-geared planetary gearboxes S. 83-96

„… standard constructions using one torque input and output, are summation and distribution gears. Wind …” „… turbines use these features to compensate the irregularity of the power input due to the changing wind …” „… directions and wind intensity and realize a stable rotational speed at the generator. Other design …”

J. Reißmann, E. Leidich Computation of the tooth root strength of Worm Wheels with a calculation program based on local stresses S. 373-394

„… important over the last years, especially for wind gearboxes. Usually a flank fracture leads to additional …” „… % failure rate in the field. It also has to be stated that the effect of material quality must be dependent …” „… wind gearbox. To account for the effect of nonmetallic inclusion and to more accurately cover the …”

M. Shuai, M. Shuai, J. Guoguang, Z. Yidu, L. Chao, H. Haruo Research on multiple-split load sharing characteristics of 2-stage external meshing star gearing system S. 769-782

„… meshing planetary transmission system is widely used in aviation and special precision transmission field …” „… characteristics of double-helical star Gearing System for GTF aero-engine and load sharing behavior of wind …” „… . Load Sharing Behavior of Wind Turbine Gearbox in Consideration of Multiple-errors[J]. Renewable Energy …”

Titelei/Inhaltsverzeichnis S. I-XXVII

„… saving potential in an expanded field of application M. Takahashi, Evaluation of developed micro-gear …” „… , Reliability safeguarding for an 8 MW wind energy 1085 S. Troll, gearbox in serial production – Prototype …”

Z. Roth, J. Opferkuch High load capacity gear root fillet contour with a bézier curve S. 719-732

„… natural shape transitions have adapted themselves naturally, for example to wind loads and growth. On …” „… the optimized safety degrees were compared with the original ones for this field of variants. The …”

M. Hein, T. Tobie, K. Stahl Test method for time-scaled fatigue tests of gear transmission systems S. 1073-1084

„… mechanism occurring in field application. The main damage mechanism is a decisive parameter to evaluate the …” „… geardrives with long running times like they are used in wind turbines or trains can be evaluated in a …”

doi.org/10.51202/9783181022948

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International Conference on Gears 2019

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2355 2019

Treffer in den folgenden Teilen:

S. Yokoyama A study of gear oil performances contributing to wind turbine lifetime extensions S. 845-856

„… field performance in Gear Oil A, there was no severe trouble in field use as wind turbine gear oil for …” „… environment like in wind turbine gearbox. Fig. 9: Field oil analysis measuring milli-pore filter value …” „… A study of gear oil performances contributing to wind turbine lifetime extensions Sho …”

R. Slatter Condition monitoring of gearboxes using magnetoresistive sensors S. 229-244

„… , for example in the case of gearboxes in offshore wind turbines. In both situations, the significance …” „… of condition monitoring is increasing and leading to more research in this field. The application …” „… are limited to applications in specific fields and are seldom used in broad industrial applications [5 …”

F. Concli, C. Gorla Dynamic models for planetary gearboxes SHM S. 471-480

„… fields of applications of this type of transmissions, including but not limited to automotive, aerospace …” „… , for instance, wind turbines, gearboxes are known to be among the weakest components (major failures …” „… accuracy of the results obtained. Yi Guo et al. [3] studied the load sharing in a 750kW wind turbine …”

D. Kurten, A. Kailer Hydrogen embrittlement of oil lubricated contacts S. 681-688

„… formation. Environmental influences (lubricant formulation, water, electric fields and currents) are partly …” „… also be found on the bearings and gears in wind turbines [15]. For the development of solutions for …” „… cracking associated with microstructural alterations in an ASIS 52100 failed wind turbine bearing using …”

M. Geitner, T. Tobie, K. Stahl, B. Zornek Investigations on the pitting load capacity of internal spur and helical gears S. 301-314

„… high power density with coaxial in- and output. Especially in wind energy and industrial transmission …” „… Planetary gear stages commonly are part of numerous transmission applications, such as for example wind …” „… involute shape of each layer in the model, the contact lines equidistantly move in the field of action …”

P. Lopez Garcia, S. Crispel, T. Verstraten, E. Saerens, B. Vanderborght, D. Lefeber Wolfrom gearboxes for lightweight, human-centered robotics S. 753-764

„… with humans and promise to change radically not only industrial settings, but also fields like surgery …” „… gearboxes of automatic and hybrid cars, or in wind turbines [4, 5, 6], and they have contributed also to …” „… , but also fields like surgery, household, elderly care or the replacement of lost limbic functions [7 …”

L. Ryali, D. Talbot A gear load distribution model for planetary gear set with a flexible carrier S. 809-822

„… , rotorcraft gearboxes, wind turbine speed increasers, and several other mechanical systems. In spite of their …” „… flexibility. They are based on the original approach of Vijayakar [4] which relies on matching the far-field …” „… finite element results for structural parts with the near-field semi-analytical solutions for contact …”

M. Pillarz, A. von Freyberg, A. Fischer Multisensory measurement of the base circle radius as a fundamental shape parameter of large gears S. 1207-1214

„… approaches for large gears can be found in the field of large volume metrology and follow the paradigm of …” „… used in the field of multilateration [6], portable articulated arm coordinate systems [7], laser radar …” „… with micron accuracy: a mandatory basis for reliable wind energy systems. Engineering for a Changing …”

P. Schneyer Large ring gear milling technology on universal machines – Philosophy of complete machining concept on a universal machine S. 1603-1618

„… complete machining of internally toothed ring gears, which are mainly used in planet drives for wind power …” „… control technology in the field of large machine building industry. VDI-Berichte Nr. 2355, 2019 1611 The …”

X. Yang, N. Yue, Q. Yang, L. Wang, Y. Shao, H. Xiong Dynamic simulation for double input compound power-split mechanism of in-wheel motor driven EVs S. 481-492

„… widely used in the field of hybrid electric vehicles due to its high split efficiency and large …” „… characteristics of low speed high torque and high speed cruise, which can be used in a lot of fields such as …” „… analysis of planetary gears train of semi-direct drive wind turbine. 2015 IEEE ICIA. IEEE, 2015 [10 …”

Y. Cai, L. Yao, J. Ding, S. Ouyang, J. Zhang Analysis of dynamic transmission error for nutation drive with double circular arc gears under assembly errors and different loads S. 343-354

„… equipment and other fields. In this paper, a two-stage nutation drive mechanism of double circular arc (DCA …” „… is used in aerospace, ship, wind power equipment, household machinery and medical equipment and …” „… other fields. However, the study on the transmission characteristics of nutation gear drive is not …”

doi.org/10.51202/9783181023556

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Partitioned Fluid-Structure Interaction Simulation of Maritime Applications

Jorrid Lund

Reihe: Mechanik/Bruchmechanik

Band 360 2024

Treffer in den folgenden Teilen:

Introduction S. 1-4

„… acceleration techniques used in this work are presented.The first maritime application case is a floating wind …” „… should be considered.The effects of FSI are especially important in the field of marine engineering …” „… like wave energy converters or floating wind turbines under unsteady loads dueto waves and wind …”

Floating windturbine S. 49-61

„… processes is running, the other slaveprocesses are idle, awaiting new input before their corresponding field …” „… by up to 50% with this approach [79, p. 871].485 Floating wind turbineIn the next chapters, the …” „… obtained with FSIsimulations are presented. This chapter presents the first example from the field of …”

Fluid-structure interaction S. 35-48

„… fieldreset time stepinitialize problem start time stepfinal timecheckstop time stepnoyessolve fieldFigure 4.4 …” „… fieldreset time stepinitialize problem start time stepfinal timecheckstop time stepnoyessolve fieldFigure 4.4 …” „… example from the field of offshorerenewable energy: the floating wind turbine.5.1 IntroductionThe floating …”

Titelei/Inhaltsverzeichnis S. I-VIII

„… , computational fluid dynamics, mariti-me applications, floating wind turbine, wave energy converter, submersible …” „… : Simulations of a floating offshore wind turbine and a wave energy converter are used to analyze dynamic …” „… , computational fluid dynamics, mariti-me applications, floating wind turbine, wave energy converter, submersible …”

Bibliography S. 124-138

„… .2010.11.037.[2] D. Y. Leung, Y. Yang, Wind energy development and its environmental impact:A review, Renewable …” „… floating offshore wind turbines, Computers& Fluids 141 (2016) 155–174. doi:10.1016/j.compfluid …” „… .2016.03.008.[16] M.-C. Hsu, Y. Bazilevs, Fluid–structure interaction modeling of wind turbines:simulating the full …”

Summary and outlook S. 118-123

„… of the applicationcases stem from the field of renewable energy production. Increasing demand for …” „… structural andthe fluid field in every time step. To this end, static condensation was employed for theFWT …” „… is enabled by the accurate solution of thecomplete interaction between the fluid and structural field …”

Structural mechanics S. 5-20

„… presented in Chapter 5 are the core of this thesis. Amongthese applications are two examples from the field …” „… of offshore renewable energies – whichis one of the fastest-growing areas in the field of marine …” „… engineering. The examples area self-aligning floating offshore wind turbine and a point wave energy converter …”

doi.org/10.51202/9783186360182

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Pendelendanschläge bei Zweiblatt-Windenergieanlagen

Vera Schorbach

Reihe: Konstruktionstechnik/Maschinenelemente

Band 433 2016

Treffer in den folgenden Teilen:

Literatur S. 178-188

„… velocity field«. In: Journal of wind engineering and industrial aerodynamics 17.1, S. 71–88. Arimond, J …” „… Literatur Ackermann, T. (2012). Wind Power in Power Systems. Wiley. Anderson, MB, AD Garrad und U …” „… Hassan (1984). »Teeter excursions of a two-bladed horizontal-axis wind-turbine rotor in a turbulent …”

doi.org/10.51202/9783186433015

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Gerüche in der Umwelt 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2315 2017

Treffer in den folgenden Teilen:

B. Mannebeck, H. Hauschildt, S. Schmid Vergleich der Ergebnisse von Fahnenbegehungen an der Nachklärung einer Kläranlage mit den Ergebnissen einer Ausbreitungsrechnung S. 89-102

„… . We also measure the odour impact on basis of field analyses by grid or plume measurements. In …” „… as all experts working in the field of odour modelling know the results of the modelling depend a lot …” „… situation the experts can be to perform field inspections as plume measurement with a panel of tested …”

D. Öttl, E. Ferrero Ein neues Modell zur Berechnung von Geruchsstunden im Rahmen von Genehmigungsverfahren S. 31-44

„… T. Strong : Joint Urban 2003 (JU03) atmospheric tracer field tests. NOAA Technical Memorandum OAR …” „… modeling of passive scalar dispersion in an urban canopy layer. J Wind Eng Ind Aerodyn (2007) 95 …”

doi.org/10.51202/9783181023150

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Gefahrstoffe

Alle Ausgaben: Gefahrstoffe

GrdL Jahrgang 82 (2022) Heft 09-10 ISSN Online: 0949-8036

Treffer in den folgenden Teilen:

Dietmar Öttl, Luzi Bergamin Windfeldsimulationen mit GRAMM-SCI in herausfordernden topografischen Verhältnissen in der Schweiz/Flow-field simulations with GRAMM-SCI in challenging topographical conditions in Switzerland S. 231-238

„… C T In this study highly-resolved wind-field simu- lations utilizing the newly developed mesoscale …” „… wird hierzu eine lokale meteorologische Messung (Wind und Stabilitätsklasse) verwendet, welche die …” „… local wind systems and synoptic- scale flows which was evident from the observations at differ- ent sea …”

doi.org/10.37544/0949-8036-2022-09-10

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