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Bernhard Geringer, Hans-Peter Lenz - 41. Internationales Wiener Motorensymposium 22.-24. April 2020

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Bernhard Geringer (ed.), Hans-Peter Lenz (ed.)

41. Internationales Wiener Motorensymposium 22.-24. April 2020

Series: Verkehrstechnik/Fahrzeugtechnik

Volume 813 2020

Results in this title

T. Hamatani, T. Uehara, K. Akimoto, T. Hayashi, H. Kitadani, T. Aoki, K. Yamanaka, Y. Nishikawa, T. Okochi, M. Kanehara Neuentwicklung des Hybridsystems für die Kompaktklasse/New Development of Hybrid System for Compact Car

„… contributing to higher transmission efficiency, PCU with new power semiconductor and new control technology …” „… paper, performance of the newly developed hybrid system for next-generation compact vehicles and …” „… generation of compact vehicles. In this paper, performance of the newly developed 1.5L hybrid system and …”

H. Kitadani, R. Kaneda, S. Mizoguchi, Y. Shinohara, J. Takeuchi Der neue 1.5 Liter Benzinmotor aus der TNGA (Toyota New Global Architecture) Reihe /The New 1.5 L Gasoline Engine from the TNGA (Toyota New Global Architecture) Series

„… high speed combustion concept. This new engine has 2 variations, for conventional vehicle and hybrid …” „… engine combined with the new Direct shift-CVT transmission achieves 5 % better acceleration performance …” „… generation hybrid system achieves 15 % better acceleration performance for 0-100 kph and over 20 % fuel …”

M. Alt, F. Gouzonnat, P. Ramminger, R. Matthe, L. K. Cloos Die Multi-Energy Platform des Opel Corsa: rein elektrisch, Benzinoder Dieselantrieb /The Multi Energy Platform of the Opel Corsa: Pure Electric, Gasoline or Diesel Propulsion

„… . The degree of electrification ranges from 48 V mild hybrid systems up to high voltage plug-in hybrids …” „… electrified vehicles (100% electric or high voltage plug-in hybrid) will increase by a factor of 10 in less …” „… engine performance and a high efficiency in a wide range of engine operation. Lately, the second …”

H. Sandquist, P. Frejinger, S. Klacar, I. Scholten, S. Li System Engineering Methodik angewandt für Hybrid-Antriebssystementwicklung /Systems Engineering Methodology Applied for Hybrid Propulsion System Development

„… ICE hybrid propulsion system with electrified transmission. In most cases the vehicle/customer …” „… Engineering Methodology applied for Hybrid Propulsion System Development System Engineering Methodik …” „… angewandt für Hybrid- Antriebssystementwicklung Abstract These days, customers are expecting more from …”

K. Hwang, C. Yu, B. Min, Y. Kim, D. Lee, K. Ha, D. Chae, J. Yi Der neue Smartstream 1.0L DI-Turbo Ottomotor von Hyundai-Kia/The New Hyundai-Kia's Smartstream 1.0L Turbo GDi Engine

„… related with hybrid, plug-in hybrid and BEV including FCEV. However, due to the high production cost of …” „… belt-driven Hybrid Starter/Generator (HSG) is synergistic when combined with high efficiency technology …” „… performance. Thanks to the LP-EGR system, an additional fuel economy in the middle and high load condition …”

M. Bell, S. Kollamthodi, N. Hill, A. Greaney Die „Net-Zero-Herausforderung“ - Auswirkungen der Lebenszyklusanalyse auf Antriebssystemtechnologien, Lieferketten und die regulatorische Landschaft /The Net Zero Challenge - Life Cycle Impacts on Pro...

„… force, with higher targets for the deployment of renewable energy to be achieved by 2030 (32% overall …” „… ). An illustration of how future LCA regulation might impact vehicle lifecycle emissions performance is …” „… manufacturers are set using a mass-based utility function, that means a higher gCO2/km target for OEMs with …”

N. Andrisani, F. Contarin, A. Lorenzon, M. Nencioni, M. Scassa, F. Mallamo, T. Korfer, H. Busch Innovative Ventiltriebe als Beitrag zur Erfullung zukunftiger Emissionsanforderungen im Stadtbetrieb /Novel Valvetrain Design as Enabler for Compliance with Upcoming Stringent Emission Demands in Urba...

„… this preference are high mileage, low real-world fuel consumption, superior launch performance, good …” „… COMMERCIAL VEHICLE VEHICLE • Mass • Transmission 2270 kg 6 gears MT ENGINE • Architecture • Performance • EGR …” „… durability, high loading capability and therefore attractive total costs of ownership. Fig. 2: CO2 …”

S. Kweon, J. J. Park, S. H. Kim Der wasserstoffbetriebene Bus und LKW von Hyundai Motor Company/The Hydrogen-Powered Bus and Truck from Hyundai Motor Company

„… that is coupled to an automatic transmission to ensure high grade ability even in challenging …” „… systems making them clean, sustainable and high energy efficient. Heavy-duty vehicles; fuel cell bus and …” „… from the highest emitting HDV segments by 15% in 2025 and by 30% in 2030, both relative to a baseline …”

K. Togai Verhalten eines geschlossenen Regelkreises bestehend aus einem Antriebsstrang und einer menschlichen Steuerung und der Standpunkt einer Mensch-Maschine-Schnittstelle (HMI) /Behavior of Closed Loop Con...

„… , control performance deterioration is expected and the deterioration is to be quantitively shown. Desired …” „… training [2]. Feedback control performance, e.g. stability, in human driving is mainly governed by …” „… car equipped with an Internal Combustion engine and a transmission, a driver would find empirically …”

Z. J. Sroka, Z. Sadlak Einhaltung der CO2-Emissionsnormen als Herausforderung für eine thermische Aktivierung der Verbrennungskammern in Verbrennungsmotoren /CO2 Emission Standards as a Challenge for the Thermal Activation ...

„… new passenger cars in the European Union [1] Fig. 2. Performance of top-selling EU passenger …” „… also becoming a hybrid, connecting the combustion and electric sides - either in the form of hybrid …” „… concurrent performance of useful work through the resultant force on the piston, i.e. providing rated power …”

doi.org/10.51202/9783186813121

VDI Wissensform GmbH - Drivetrain Solutions for Commercial Vehicles

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VDI Wissensform GmbH (ed.)

Drivetrain Solutions for Commercial Vehicles

Series: VDI-Berichte

Volume 2421 2023

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A. Arnberger, H. Wancura, M. Wieser, H. Zhou, W. Gruber, J. Pell, C. Schörghuber Hybrid powertrain with hydrogen-engine – Technical solutions for future commercial vehicle powertrains S. 79-92

„… drive for highway operation will be needed. Thus, the challenge is to define a hybrid transmission …” „… control-complexity and higher product costs (higher number of components) compared to parallel hybrid. When it comes …” „… Hybrid powertrain with hydrogen-engine Technical solutions for future commercial vehicle …”

L. Vassieux, A Diop Valeo hybrid solutions for Commercial Vehicle – 48V and HV hybrid solution S. 93-108

„… . This presentation is focused on two optimized architectures for hybrid trucks: 48V and High Voltage …” „… vehicle (conventional, hybrid & electric) energy consumption and performance studies. The objective is to …” „… Voltage hybrid module uses a high voltage e-motor (400-Volt – 800-Volt) with a connection on the AMT …”

G. Wiche Voith Central Drive Concept for HD Trucks S. 181-190

„… missions of HD trucks with the highest efficiency. The specific profiles of garbage collectors, as well as …” „… long haul trucks, are considered. The high-speed electric PM-motor combines two cooling systems: the …” „… this drivetrain. In-stead of using a decentralized architecture (Inverter ECU, Transmission ECU, and …”

B. Wunderlich Development of an heavy duty eAxle for worldwide application within Daimler Truck portfolio S. 175-180

„… , development of the transmission topology and description of the components. An overview of the functionality …” „… trucks can be divided into three categories: frame mounted, hy-brid mounted and axle mounted. (Fehler …” „… concepts such as eAxle provide the following benefits: An integration of transmission with eMotor and …”

M. Trahand Drivetrain architectures and vehicle integration: The evolution and advantages of in-wheel propulsion for heavy-duty commercial vehicles S. 123-134

„… innovations in development include in-wheel motors for assets and routes with high energy demand, along with …” „… to maintain high-voltage systems. In North America, many fleets also feature refrigerated trailers …” „… inefficient. As power travels across the full transmission to the wheel, the power used to turn the wheels is …”

doi.org/10.51202/9783181024218

VDI Wissensforum GmbH - International Conference on Gears 2022

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2022

Series: VDI-Berichte

Volume 2389 2022

Results in this title

M. Steinbacher, T. Boyraz, R. Fechte-Heinen, G. Hellenbrand Heat treatment development for the new steel grade X20NiCrAlMoV6-5-2-1 for high performance gear wheel application S. 891-902

„… performance transmissions have characteristically higher energy input, thushigher rotational speed and …” „… high-performance transmissions. With increased temperatures, the hardness and microstructure of conventional …” „… AbstractIncreasing power density and rotational speed raise new challenges for high performance …”

S. Reitschuster, C. M. Illenberger, T. Tobie, K. Stahl Application of high performance polymer gears in light urban electric vehicle powertrains S. 1181-1196

„… Application of High Performance Polymer Gears in Light Urban Electric Vehicle Powertrains S …” „… Center (FZG), Technical University of Munich (TUM) 1. Abstract The application of high-performance …” „… possi-bilities of implementing high-performance polymer gears in the powertrain of a light electric vehicle. For …”

D. Park, A. Rezayat, Y. Gwen Gear design optimization for multi-mesh and multi-power flow transmissions under a broad torque range incorporated with multibody simulations S. 849-862

„… design of low-noise gear trains that also maintain high performance for efficiency, durability, and …” „… in the standards and gear handbooks, the design outcome to increase transmission performances at a …” „… multi-objectives that are taken as an important NVH performance criterion are the transmission error (weighted …”

B. Zhmud, M. Bengtsson, L. Everlid Improving the tribological and nhv behavior of gears by mechanochemical surface finishing S. 1365-1370

„… ) vehicles also bring up some new challenges, such as increased requirements for NVH performance in high …” „… advantages over traditional powertrains, the drivetrains of hybrid (HEV) and full battery electric (BEV …” „… speed e-drives, the need to deal with higher torques and loads while keeping an eye on the vehicle …”

D. Zorko, Z. Bergant, B. Černe Potential of woven carbon fiber reinforced polymer composite gears S. 1071-1082

„… high-performance gears available, and a significantly longer fatigue lifespan of laminated CFRP gears was observed …” „… load conditions to a very high-cycle fatigue regime. Based on a comparison with the performance …” „… -times-longer lifespan at the same fatigue load was observed for the woven CFRP gears over high-performance PEEK …”

Titelei/Inhaltsverzeichnis

„… DesignInternational Conference on Gears 20224th International Conference on High Performance Plastic Gears 20224th …” „… Conference onHigh Performance Plastic Gears 2022 f ApplicationsWeight and cost reduction potentials with high …” „… . Weinmann, KURARAY Europe GmbH, Hattersheim, GermanyHigh performance plastic gear solution in the engine …”

S. Ebrahimi, J. Langhart, D. Marano NVH calculations for drivetrains, a methodology for selection of the best suitable calculation approach for a specific purpose S. 75-90

„… to the minimum peak-to-peak transmission error (PPTE), and secondly the “worst-of-worst" (WOW) design …” „… peak-to-peak transmission error and subsequently lower excitations to the powertrain system. Introduction The …” „… performance evaluation of powertrains and their vibration characterization under dynamic loadings are becoming …”

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

„… Transmission Research assistant Aiqiang Zhang, State Key Laboratory of Mechanical Transmissions, Chongqing …” „… University, Chongqing, China Abstract Due to designers' demanding pursuit of high power-to-weight ratio …” „… , most components in aviation transmission, including casing and shafting, are designed as irregular …”

H.-J. Dennig, L. Zumofen, A. Kirchheim, S. Winterberg, D. Stierli Increasing the safety against scuffing of additive manufactured gear wheels by internal cooling channels S. 1345-1364

„… ]. A high degree of efficiency in power transmission and, at the same time, a high power density of the …” „… . Introduction and motivation Transmission components must be made lighter and more efficient [1, 2]. Spur gears …” „… all. AM offers both cost and performance benefits [11]. The following paper shows the possibilities …”

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

„… al. Research on load sharing characteristics of planetary transmission for NW high-power wind turbine …” „… . Research on Electromechanical Coupling Nonlinear Vibration of Vehicle Electromechanical Hybrid Transmission …” „… Study on Electromechanical Coupled Dynamic Characteristics of Transmission System of Wind Turbine …”

J. Gotz, F. Siglmuller, M. Furst, M. Otto, K. Stahl Experimental investigation of the dynamic load sharing of planetary gearboxes S. 409-420

„… gearboxes are used for a wide range of high-performance applications in the automotive, aviation and marine …” „… with avoiding axial forces, double-helical planetary gear sets are used in modern high-performance and …” „… range. Especially additional dynamic forces, due to operation in high-speed ranges or near resonance …”

A. Gebhard, W. Kassem, M. Oehler Cylinder-on-ring model wear tests as an input data source for the simulation of friction and wear of plastic gears S. 1133-1148

„… International Conference on High Performance Plastic Gears (2021) [3] Fleischer G, Gröger H, Thum H (1980 …” „… Conference on High Performance Plastic Gears, VDI-Berichte Nr. 2355 (2019) pp. 1335-1344 [7] Sukumaran, J …” „… ., Van Wissen, B., and Nickel, R.: Relevant tribological testing method for high performance plastic …”

B. Legrady, M. Taesch, G. Tschirschnitz, C. F. Mieth Prediction of churning losses in an industrial gear box with spiral bevel gears using the smoothed particle hydrodynamic method S. 651-664

„… transmissions. With the advent of high-performance computing and the progress of computational fluid dynamic …” „… churning losses of a spiral bevel gear transmission using the novel meshless particle method, smoothed …” „… regulations regarding fuel consumption and emission. As of now, not only electrified engines and hybrid …”

doi.org/10.51202/9783181023891

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VDI Wissensforum GmbH (ed.)

Dritev 2022

Series: VDI-Berichte

Volume 2401 2022

Results in this title

F. Schuchter, M. Schönstein, K. Bause, A. Albers Temperature Modelling of a Dual Clutch with Artificial Neural Networks S. 335-346

„… clutch K1 of a dual clutch transmission and clutch K0 of a hybrid dual clutch transmission. The clutch K1 …” „… clutch K0 in a hybrid dual clutch transmission. Here, the temperature deviation is reduced by 43%. The …” „… transmission. The ANN can increase the model accuracy by 43%. The lower performance might be caused by the …”

J. Gindele, U. Franzmann, L. Herdle, A. Pawlenka The Magna 7HDT400 for BMW’s new 48V hybrid drive family S. 1-12

„… regulatory requirements. BMW has chosen the Magna 7HDT400 hybrid transmission to reach its targets while …” „… 1 and 2 series for about five years. The new 7HDT400 hybrid transmission is based on the same …” „… transmission architecture. Due to the P2.5 architecture with a side-by-side mounted high-speed e-machine (EM …”

V. Ludwig Life Cycle Assessments – Magna’s Path to Eco-Social Products S. 27-36

„… transmissions and drive solutions, this presentation looks at the measures the supplier is currently taking to …” „… due-diligence requirements into its development and sourcing processes. Furthermore, several hybrid drives and …” „… transmissions are used as examples to illustrate in detail the options available for minimizing CO2 emissions …”

A. Eßer, J. Mölleney, S. Rinderknecht Potentials to reduce the Energy Consumption of Electric Vehicles in Urban Traffic S. 133-152

„… significantly reduced by up-speeding the electric machine (EM) using a high 1st transmission ratio. But this …” „… high transmission ratio. This “up-speeding” of the EM in electric concepts for urban traffic in order …” „… with high efficiency in urban operation enabled by a high 1st transmission ratio and the fulfilment of …”

M. Hein, S. Prinke, A. Damm, P. Fischer Testing of shift elements – Standardized Methods, State of the Art and Future Challenges S. 73-94

„… optimized for highest performance, cost or efficiency. This paper will give a brief overview of currently …” „… *= inertia should be close to the reflected inertia for the synchronizer inside the gearbox** = Select cycletime so that specific energy/cycletime did not exceed 75 mW/mm²VDI-Berichte Nr. 2401, 202286Load step tests In manually shifted transmissions, higher …” „… on component basis. This is different to DCT transmissions, which significantly have a higher number …”

T. König, L. Stütz, L. Bauer, M. Kley Model-based simulation of a longitudinal dynamics vehicle model with a single-wheel drive S. 381-396

„… about the performance of vehicles. In the following application, a multifunctional implement carrier …” „… powertrain. The trans-mission efficiency is modelled accordingly. The whole efficiency model is measured on a …” „… driving scenarios. This improves the realistic esti-mation of the performance capability. 1. Introduction …”

F. Pfister, N. Hetzel, K. Büttner Objectified Evaluation of Fundamental Driveability Maneuvers at Powertrain-in-the-Loop Testbeds for Electric Drive Units S. 61-72

„… high-performance low-inertia dynamometer systems do not have a neutral direct-feed-through transfer behavior. The …” „… 10 to 100 times faster. Additionally, the mechanical transmission path from the motor to the wheel is …” „… the power electronics of electric drive units (EDUs). Due to their extremely high rate in the upper …”

G. Göppert, M. Adrian AI Approach to Wet Friction Torque Model Adaptation S. 321-334

„… requested performance is expected after higher mileage. Further, we see an intrinsic variation of 5% around …” „… of a friction system plays a central role for example in P2 hybrids to fulfill seamless shifts or …” „… are other exam-ples where high accuracy of the clutch system is required. In this work a novel …”

J. Kniel, M. Göckler, B. Müller Holistic thermal management as a “must have” for efficient BEV S. 397-406

„… bestmögliche thermische Performance zu realisieren. Abstract Especially for battery electric vehicles (BEV …” „… temperatures, enabling high charging power and make sure that every component is brought and kept in its …” „… model with our customer for realizing the best possible thermal performance together. Motivation for BEV …”

doi.org/10.51202/9783181024010

VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2023

Series: VDI-Berichte

Volume 2422 2023

Results in this title

S. Reitschuster, T. Tobie, K. Stahl Experimental Verification of High-Performance Polymer Gears in an Electric Vehicle Powertrain S. 1533-1534

„… Experimental Verification of High-Performance Polymer Gears in an Electric Vehicle Powertrain …” „… was completely substituted with high-performance polymer gears. Subsequently, the load-carrying …” „… capacity of the hybrid polymer-steel transmission is investigated for functional verification on a …”

T. König, L. Cadau, L. Steidle, M. Kley, D. Cansu Güney, J. Albrecht, K. Weber A concept for comparison of new and aged lubricants in transmissions of electric vehicles and a method of oil aging on a test rig S. 1195-1206

„… ., Zhang, W. and Liang, H.: Performance Characteristics of Lubricants in Electric and Hybrid Vehicles: A …” „… A concept for comparison of new and aged lubricants in transmissions of electric vehicles and a …” „… environmentally friendly, there is the possibility to replace conventional transmission oils with sustainable …”

D. Park, A. Rezayat, Y. Gwon Design optimization of multi-stage gear trains with asymmetric teeth under a broad range of torques by incorporating multibody simulations S. 383-396

„… show that the use of asymmetric gears can be beneficial in performance enhancement by applying higher …” „… the performance benefit when a higher pressure angle side flank is used as the drive side that takes …” „… important NVH performance criterion are the transmission error and the total gear mesh power loss. • Since a …”

Titelei/Inhaltsverzeichnis

„… DRIVESYSTEMS GroupInternational Conference on Gears 20235th International Conference on High Performance …” „… gear drives for better transmission performances 537S.-J. Tsai, Q.-Y. Zhuang, L.-C. Chang, National …” „… Dynamic Modeling Method of High-Speed Thin-Rimmed Gear Transmission 1279J. Zheng, D. Qin, C. Liu, State …”

A. Beinstingel, F. Haringer, W. Sigmund, M. Heider, B. Pinnekamp, S. Marburg Investigation of Sound and Vibration Behavior of Cylindrical Gears S. 599-618

„… not relevant for this acoustic kind of high performance gears, the “arc-length method” is applied here …” „… increasing. This also includes the vibration behavior and the acoustic performance of gearboxes. Especially …” „… transmission process of the mating gear teeth, the transfer path of the structure-borne sound is a complex …”

O. Harris, C. Poyser, R. Patel, O. Shires Developing CAE solutions for Robotics gears: Cycloidal and Strain Wave Gear Drives S. 1111-1124

„… . VDI-Berichte Nr. 2422, 2023 11237. References [1] H. Wang et al., “Transmission Performance Analysis of RV …” „… understood to be a growth market. Robotic mechanical drivetrains often require a very high ratio to step down …” „… commonly used in the robotics industry for high ratios are Cycloidal and Strain Wave Gearing drives. The …”

M. Vivet, A. Rezayat, J. Verhoogen, K. Kucukcoskun, S. Donders Numerical analysis of bevel gear transmission acoustic emission using a 3D gear contact force model within a multibody system dynamics simulation environment S. 689-702

„… . Tamarozzi and D. Mundo, "Transmission Error and strain analysis of lightweight gears by using a hybrid …” „… Numerical analysis of bevel gear transmission acoustic emission using a 3D gear contact force model …” „… electric drives?”.NVH (noise, vibration, and harshness) performance is seen as a key differentiator since …”

F. Concli, M. N. Mastrone Latest advancements in the lubrication simulations of geared systems: a technology ready for industrial applications S. 499-518

„… results of high-speed helical gear trains,” in Volume 4: 9th International Power Transmission and Gearing …” „… geared transmissions—preliminary results,” Journal of Mechanical Design, vol. 129, pp. 128–133, 2007. [14 …” „… , with an increase in the power density and performances. Engineering tools allowing a comparison of …”

H. Jia, D. Qin, G. Hu, X. Xu, W. Bai Electromechanical Coupling Modeling and Torsional Vibration Analysis of Helicopter Electric Propulsion System S. 675-688

„… , 2023 675the fatigue damage of the transmission system, but also affect the handling performance of the …” „… excitation and its transmissionThe application factor is a factor that considers the additional dynamic load …” „… performance directly affects the safety and mission endurance of electric powered helicopter. In order to …”

K. Suzuki, K. Sakai, K. Sakai, T. Hara Considerations on Lubrication of High-Speed Rotating Gear (First Report) S. 741-752

„… transmission and 4WD transfer case, and has started mass production of hybrid (hereafter HEV) gearbox in 2005 …” „… Considerations on Lubrication of High-Speed Rotating Gear (First Report) Relationship between the …” „… high-speed rotation as experiments under conditions as close to the actual environment as possible. The …”

D. Gallagher, E. Wiita, R. Weidig Improved Method for Validation of Root Stress in Polymer Gears S. 1333-1350

„… reductions in cost, weight and noise has led to rapid developments in high-performance polymers for use in …” „… short history of high-performance polymer gears, it is not surprising that calculation standards …” „… highest performance in polymer gears. VDI-Berichte Nr. 2422, 2023 1347References [1] Shenyang Hanwei …”

J. Sanchez-Espiga, A. Diez-Ibarbia, M. Iglesias, A. Fernandez-del-Rincon, F. Viadero, J. Calvo-Irisarri, A. Fernandez-Sison Statistical study of the mesh load factor of planetary gear transmissions affected by inherent manufacturing errors S. 139-156

„… gear transmissions performance represented by the mesh load factor (K ) affected by inherent …” „… transmission’s performance both from quasi-static and dynamic points of view. Furthermore, these works analyse …” „… Statistical study of the mesh load factor of planetary gear transmissions affected by inherent …”

E. Grabovic, A. Artoni, M. Gabiccini, E. Ciulli Exploration of trade-offs between NVH and efficiency in bevel gear design S. 853-880

„… accuracy, especially at high loads. Cao et al. [6] evaluated the lubrication performance under different …” „… ., He, X.: Design and dynamic performance analysis of high-contact-ratio spiral bevel gear based on the …” „… Minimizing NVH and friction-induced power losses is becoming paramount in the design of geared transmissions …”

G. Vasileiou, C. Vakouftsis, C. Kalligeros, V. Spitas, C. Papalexis, A. Tsolakis, P. Zalimidis Continuous prestressed reinforcement of plastic gear teeth and its effect on bending strength vs conventional reinforcement S. 1375-1388

„… . IntroductionMetallic gears are widely used in power transmissions due to their high strength and reliability. They …” „… high module values and reach even higher reduction percentages for low module values. Finally …” „… selection depends on specific application requirements including mechanical performance, cost considerations …”

I. Hong, D. Talbot Tooth Bending Strain Rate Analysis in a Counter Shaft Drivetrain and Implications on Fatigue Strength S. 53-66

„… microstructures of large volume and high-quality gearing. Most gears made for power transmission purposes are made …” „… Strength Isaac Hong, David Talbot, Gear and Power Transmission Research Laboratory Department of Mechanical …” „… fatigue. Engineers are expected to ensure that the gear can survive well into the very high cycle fatigue …”

C. Kunik, J. Kunert Wetting and oil flow analysis of planetary gearboxes using oil flow simulations S. 467-484

„… advances in high performance computing, two methods have become established. The most widely used approach …” „… flow rate in every gear contact of the sun wheel of the high-speed shaft shows the reliability of the …” „… fluid flow characteristics in a gear unit. Additionally, a higher efficiency means a higher thermal …”

C. Karampatzakis, A. Mihailidis, A. Mantzaflaris, C. Provatidis Contact simulation of tooth flanks using Isogeometric Analysis S. 413-428

„… Contact simulation of tooth flanks using Isogeometric AnalysisLeveraging the power of high order …” „… transmission systems. Power is transmitted from one gear to its mating one through the contacting teeth. Thus …” „… . In [12], the contact between a 2D pair of gears was modelled using a hybrid IGA - meshless …”

M. Gebhardt, A. Rhode, B. Legrady Lubrication improvement at the HS-IS spline shaft interface of a wind turbine gearbox using the smooth particle hydrodynamic method S. 519-536

„… . Moritz Gebhardt, Dr.-Ing. Alexander Rhode, NGC Transmission Europe GmbH, Duisburg; Dipl.-Ing. Benjamin …” „… interface of the high-speed intermediate shaft of a typical Planet-Planet-Helical (PPH) wind turbine gearbox …” „… . While nearly half of the wind turbine main gearbox faults are attributed to the high-speed stage …”

doi.org/10.51202/9783181024225

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