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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

C. M. C. G. Fernandes, J. M. A. Pinto, D. E. P. Gonçalves, A. R. Silva Reduction of root and flank temperature using a hybrid polymer-metal rack S. 1547-1562

„… HT1 sample. Each Region of Interest (T1B and T2B) highlighted in Figure 4 corresponds to the position …” „… (STD, HT1 and HT2) was compared in the region of interest where larger operating stresses are expected …” „… : Ambient temperature / °C A measurement of the contact region can be seen in Figure 4 for the case of the …”

M. Ruzek, R. Brun, F. Ville, P. Velex, Y. Marchesse On the reduction of windage power losses in gears by the modification of tooth geometry S. 785-800

„… ], particularly in aerospace applications. If there is a general agreement on the interest of enclosed gears …” „… wherein most of the windage losses occur. In spite of its potential interest, this finding with ramps on …” „… numerical results in this paper confirm the interest of a ramp manufactured on the teeth with regard to …”

P. Fischmann, A. Hilligardt, V. Schulze Tooth Root Burnishing in the Kinematics of Gear Skiving S. 1829-1844

„… well as too small radii. This leads to Fig. 2: Point & Area of InterestVDI-Berichte Nr. 2422, 2023 1833 …” „… took place until the tool reaches the maximum forces possible in the Point of Interest (PoI). The PoI …” „… to an Area of Interest (AoI), see Fig 2. For the design of the tool, the Hertzian stress (see [17, 18 …”

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

„… gained a lot of of interest also in industrial practice, leading to the reduction of time and costs of …” „… complex to perform. The main CFD approach relies on Finite Volumes (FV). The domain of interest …” „… regions. Differently from the MRF approximation, the motion is reproduced by rotating one portion of the …”

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

„… every chosen rotation speed with only a small amount of oil in other parts of the HSS region. The …” „… component of interest. This value is a measure for the amount of particles next to the surface. Figure 18 a …” „… Wetting and oil flow analysis of planetary gearboxes using oil flow simulations Dr.-Ing. Claus …”

T. Schmid-Schirling, N. Saum, C. Eberz de Oliveira Löhrer Marker-Free, Single Item Traceability in Gear Wheel Production Based on Inherent Surface Patterns S. 1877-XXIX

„… unique surface structure, can be identified on the basis of a defined region of interest (ROI) of their …” „… via Fingerprint. In a predefined region of interest (ROI) in the digital image of the part the unique …” „… PatternsClose-to-Production Investigations on Two Different Types of Gear WheelsDr. Tobias Schmid-Schirling, Norbert Saum …”

S. Ebrahimi, U. Kissling, C. S. Matkovič Evaluation of the NVH Characteristics of Gear Drives with Plastic Gears by the Forced Response Analysis S. 1403-1418

„… speeds. Accordingly, the speed of interest at which higher excitations can be perceived, is selected for …” „… . It is clearly seen that in both models, the region of the housing close to the output shaft has …” „… the dynamic factors of the gearbox model with plastic gears. It is interesting to notice that the …”

L.-C. Chang, Q. Y. Zhuang, S.-J. Tsai, J.-F. Hochrein, S. Landler, M. Otto, K. Stahl Comparing the contact characteristics of involute gear/ eccentric cycloidal gear calculated by various loaded tooth contact analysis models S. 397-412

„… deformation-displacement relation of two contact pair. (b) The mesh grid on estimated contact region of common tangent …” „… (1) Without modification Within the normal line of action AE, the region BD represents the one …” „… length of facewidth within the region, as calculated by the MDL model, is larger than from the FZG model …”

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

„… represent conic sections, which are of great interest in engineering applications. This is achieved with the …” „… where contact between the two bodies has occurred. In order to distinguish between the regions of the …” „… behaves as expected, oscillations of the stress are observed within the contact region, as is shown on …”

F. Eigner, S. Oberle, M. Berger A non-restrictive approach of gear geometry calculation for plastic gears S. 1469-1482

„… of teeth. In general, these invalid points can occur at all regions of the geometry, so that an …” „… all authors, the corresponding author states that there is no conflict of interest. 7. References in …” „… A non-restrictive approach of gear geometry calculation for plastic gears Florian Eigner, imk …”

L. Bonaiti, M. Monti, C. Gorla, M. Geitner, T. Tobie, K. Stahl The consequences of different methodologies for the elaboration of pulsator test results with respect to the load spectrum assessment of gears S. 33-52

„… simplification of the fatigue problems [22], which results in a strict distinction of the different regions of …” „… . VDI-Berichte Nr. 2422, 2023 37On the one hand, the long-life region is defined by means of a horizontal line …” „… limited-life region (with a limited number of load levels and data points each) is performed for comparison …”

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

„… fillet region of the drive side flank to find the root critical sections where the maximum root stress is …” „… Design optimization of multi-stage gear trains with asymmetric teeth under a broad range of torques …” „… show that the use of asymmetric gears can be beneficial in performance enhancement by applying higher …”

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

„… the region next to the spline mesh. Most of the oil is splattered into the gearbox and the spline mesh …” „… Lubrication improvement at the HS-IS spline shaft interface of a wind turbine gearbox using the …” „… relative motion is key to minimizing wear and ensuring a long lifetime of highly weight-optimized gearboxes …”

P. Romio Spur Gear Teeth Reconstruction via Direct Laser Deposition S. 1641-1664

„… hardness: a higher one at the top of the tooth, equal to 453 HV0.2, referring to AISI 413; a second region …” „… (16 MnCr 5), with an average value of 308 HV0.2. Interestingly, there is a slight difference between …” „… of Science and Innovation in Mechanical and Industrial Engineering, Porto, Portugal Zusammenfassung …”

doi.org/10.51202/9783181024225

VDI Wissensforum GmbH - 28. Deutscher Flammentag

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VDI Wissensforum GmbH (ed.)

28. Deutscher Flammentag

Series: VDI-Berichte

Volume 2302 2017

Results in this title

C.-P. Ding, A. Renaud, R. Honza, A. Dreizler, B. Böhm Characterization of near-wall flows in a SI engine using high-speed PIV and high-resolution PI S. 345-356

„… illuminate the region of interest. The laser sheet was expanded using a cylindrical lens (f=−50 mm) and …” „… fluctuations in the near-wall region are of particular interest for the study of the boundary layer as one can …” „… engine specific models. Because of constraints imposed by the optical access, the near wall region in IC …”

H.-P. Vietze Infrared Temperature Measurement of Flames for varying Combustion Conditions S. 421-430

„… vanishes in the fog. After a certain distance it gets completely invisible. For us the object of interest …” „… you are interested in measuring the temperature of the core of the flame or at a certain depth in the …” „… Infrared Temperature Measurement of Flames for varying Combustion Conditions Dr.Hans-Peter …”

S. Eckart, S. Voss, H. Krause Charakterisierung von Verlöschungsgrenzen an nicht vorgemischten Gegenstromflammen mit Hilfe der Streckungsratenanalyse S. 649-660

„… including premixed and non-premixed flames [6, 7]. These results are of high interest in the automotive …” „… mixtures, the extinction rates as one of the very interesting physico-chemical properties were …” „… Gegenstromflammen mit Hilfe der Streckungsratenanalyse Characterization of extinction limits in laminar …”

C. Chi, G. Janiga, K. Zähringer, D. Thévenin Indirekte Messung der Wärmefreisetzung in Wasserstoffflammen mittels Spezieskorrelationen S. 625-636

„… heat release region) was first characterized in experiments by chemiluminescence measurements of …” „… technology. Being carbon-free, hydrogen is especially interesting for mankind. Accurate measurements of heat …” „… Indirect measurement of heat release in hydrogen flames using species correlations Cheng Chi, Gábor …”

doi.org/10.51202/9783181023020

VDI Wissensforum GmbH - 16. Internationale VDI-Tagung Reifen-Fahrwerk-Fahrbahn 2017

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VDI Wissensforum GmbH (ed.)

16. Internationale VDI-Tagung Reifen-Fahrwerk-Fahrbahn 2017

Series: VDI-Berichte

Volume 2296 2017

Results in this title

T. Raste, B. Hartmann, M. Kretschmann Assistance System for Aquaplaning Situations S. 1-20

„… processing a so called region of interest in the entire image has to be defined. The selection of an optimal …” „… footprint region, while the rest of the footprint region still has full wet grip on the road. Consequently …” „… purposes. This state was labelled in section 2.2 as pre-aquaplaning and is of special interest for the …”

A. Gallrein, M. Bäcker, F. Calabrese Einfluß der Dynamik des Füllgases des Reifens auf Betriebszustände S. 215-232

„… , which is due to the infinite ‘stiffness’ of these cavity models. Interestingly, a split in cavity …” „… Einfluß der Dynamik des Füllgases des Reifens auf Betriebszustände Influence of the inflation …” „… gas dynamics of a tire on operational conditions Dipl.-Ing. Dipl.-Math. Axel Gallrein, Dr. rer …”

doi.org/10.51202/9783181022962

Meysam Joulaian - The hierarchical finite cell method for problems in structural mechanics

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Meysam Joulaian

The hierarchical finite cell method for problems in structural mechanics

Series: Mechanik/Bruchmechanik

Volume 348 2017

Results in this title

Finite cell method for problems in solid mechanics S. 5-26

„… number of finite elements ne employed in partitioning the domain of interest, the polynomial degree of …” „… before, we need a proper geometrically conforming mesh that discretizes the domain of interest in order …” „… , 153]. Based on this method, the physical domain of interest Ω is embedded in a larger fictitious …”

Summary and Outlook S. 133-135

„… during the Newton-Raphson algorithm. Furthermore, the moment fitting method is also of high interest in …” „… designing the enrichment function in such a way that it vanishes at the boundary of the enrichment region …” „… moment fitting method for linear-elastic problems. It is of interest to investigate the performance of …”

Local enrichment of the FCM S. 72-110

„… depicted in Fig. 4.4. The domain of interest is discretized with the FCM, discarding all the cells that are …” „… underlying problem and the quantities of interest. Another possible approach to locally improve the …” „… phenomenon of interest more accurately than the standard smooth shape functions. This refinement strategy is …”

Numerical integration algorithms for the FCM S. 27-71

„… recursive quadrature based on the Fubini’s theorem to compute the integrals of interest on the cut cells …” „… with a smooth function whose integral on the whole domain is equal to the integral of interest. This …” „… is frequently used in the context of the FEM. In these methods, the integral of interest is …”

doi.org/10.51202/9783186348180

GJAE - German Journal of Agricultural Economics

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GJAE - German Journal of Agricultural Economics

Browse Volumes: GJAE - German Journal of Agricultural Economics

GJAE Volume 72 (2023) Issue 01 ISSN Online: 2191-4028

Results in this title

Janina Knuck An Analysis of Success Factors for German Farmstead Dairies S. 20-33

„… . (2018) confirms the positive impact of a good location in their analysis. Furthermore, the region and …” „… (DROSSE, 1995), risk diversification and preservation of jobs in the region. The importance of individual …” „… on our found data. Hence, in the sense of MLRA the success index SI(x) is the variable of interest …”

Sebastian Lakner, Sabrina Bethge Farmers’ Attitudes toward the Future of Direct Payments: An Empirical Study from Germany S. 34-46

„… between the estab-lished policy and farmers' interests, indicating the fundamental problem of balancing …” „… per-ceptions on that issue vary across regions. Overall, the statements highlight the political importance of …” „… Parliament, the Council, the European Economic, and Social Committee, and the Committee of the Regions: A …”

Verena Otter, Maximilian Deutsch Das Verhalten landwirtschaftlicher Entscheider*innen bei der Adoption nachhaltiger Prozessinnovationen in Deutschland / The Behavior of Agricultural Decision-Makers towards the Adoption of Sustainable Process Innovations in Germany S. 1-19

„… using agroforestry: Potential for the North Central Region of the United States. In: Agrofor-estry …” „… nachhaltiger Prozessinnovationen in Deutschland The Behavior of Agricultural Decision-Makers towards the …” „… Adoption of Sustainable Process Innovations in Germany Verena Otter Wageningen University, Wageningen …”

doi.org/10.51202/2191-4028-2023-01

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