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VDI Wissensforum GmbH - Ventiltrieb und Zylinderkopf 2017

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VDI Wissensforum GmbH (ed.)

Ventiltrieb und Zylinderkopf 2017

Series: VDI-Berichte

Volume 2291 2017

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F. Himsel, W. Christgen, V. Schmidt Trends im Ventiltrieb – Variabilitäten für zukünftige Ottound Dieselanwendungen S. 7-26

„… : Whereas Mazda applies the switchable pivot element to its new 2.5l inline 4-cylinder (I4) SKYAC- TIVE-G …” „… CDA Fully Variable Va ria bi lit y Switchable Pivot Element Switchable Tappet Switchable Finger …” „… Follower Switchable Roller Tappet Cam Shifting System UniAir Schaeffler Systems OEM Systems OEM specific …”

doi.org/10.51202/9783181022917

VDI Wissensforum GmbH - International Conference on Gears 2019

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2019

Series: VDI-Berichte

Volume 2355 2019

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P. Falbriard Index hobbing for asymmetrical gears S. 1181-1186

„… vibration. These unfavorable elements lead to a loss of efficiency of the developed system. The shape of …” „… put the profile several times on the same cutter. This allows shifting or using a profile for …”

A. Mihailidis, A. Psarros FEM analysis of the load distribution over the face width of helical gear pairs considering deviations, misalignments and deformations S. 193-202

„… . of Machine Elements and Machine Design, Aristotle University of Thessaloniki, Greece Abstract …” „… and deformations are considered in an empirical way. Analysis using Finite Element Method seems to be …” „… element mesh is then created exploiting smart software features. Results are obtained by making extensive …”

C. Chevrel-Fraux, R. Fargere, J. Bruyere, P. Velex Modelling of high power geared transmissions, introduction of a filling material S. 903-914

„… substructures, lumped parameters and beam finite elements is developed. First, the gear bodies are generated …” „… using a hybrid shell/volumetric 3D finite elements model. After using a static and dynamic condensation …” „… lumped parameters elements which connect master nodes to a central nodal mass. The effect of added mass …”

T. Pinel, J. Bruyere, P.Velex, L. Billet Parametric Study of a 3D trochoidal reducer model with involute profile S. 437-448

„… arc profile), is divided into a finite number of discrete elements (index j) [13]. A stiffness …” „… element, , is attributed to each cell of contact. Fig. 4: Elemental contact force At each potential …” „… quasi-static model The use of a finite element software (Abaqus) has given clues to validate the contact …”

M. Keuthen REXS – Standardized gear unit model S. 701-712

„… simple as possible, depend on few meta-elements and be well documented Generic: The individual …” „… elements of the structure should be as generic as possible, allowing extensions of the model without …” „… xml-elements in a REXS file. Details regarding the specification of components and relations may be found in …”

M. Raabe Consideration of elastic deformations of gear bodies using a reduction on a fourier series S. 797-808

„… body is reduced to a Fourier series, which allows a simple consideration of large rotations by shifting …” „… models On diameter changes of a shaft beam elements are too stiff. There will be a deformation cone …” „… same color on the solid mesh over the angle difference for a beam element [7]. The shaft is loaded by …”

C. Natali, A. Rezayat, D. Park, P. Jiranek, T. Tamarozzi Analysis of manufacturing variability on the transmission error of an internal gear pair using a multibody framework S. 1099-1110

„… considered flexible. The shafts and pins are modeled using flexible beam elements. The beam element is …” „… effects. In addition, bearings that support the rotating shafts are considered as compliant elements. The …” „… the rigid model does. Center distance shifting and angular misalignment (of planet's shaft) have …”

C. Brecher, C. Lopenhaus, F. Goergen Transfer of the tooth flank stress into an analogy test concept to provoke the damage pattern tooth flank fracture (TFF) S. 25-36

„… element can be characterized by three phases, cf. Fig. 1. If there is no external load, the volume …” „… element has a constant residual stress state, phase 1. In active tooth flank contact, compressive …” „… stresses are predominantly generated in the volume element as a result of HERTZIAN contact flattening …”

K. Holder, C. Salander, S. Rudolph, R. Stetter Automated requirements-driven design synthesis of gearboxes with graph-based design languages using state of the art tools S. 713-726

„… gearboxes and drive trains. Also for the other machine elements in gearboxes such as shafts and bearings …” „… internal knowledge. The mentioned tools are partly not only specialized in one or a few machine elements …” „… into account couplings, shifting positions etc. Usually gears are designed iteratively, based on …”

B. Karpuschewski, T. Lierse, S. Schulze Inline-deep rolling – a new approach to increase tooth root load capacity S. 1787-1798

„… . Introduction Gear wheels are among the oldest mechanical engineering elements in the world [1]. However, even …” „… freedom and thus enable continuous self-centering of the rolling elements in the tooth space. The roll …” „… to be made possible by shifting the holder by the helix angle β of 21.9° (Fig. 8). Due to the …”

doi.org/10.51202/9783181023556

Björn Jakob Müller - Improvement of Cu ( In,Ga) (S,Se)2 thin film Solar Cells with the help of Gallium and Sulfur Gradients

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Björn Jakob Müller

Improvement of Cu ( In,Ga) (S,Se)2 thin film Solar Cells with the help of Gallium and Sulfur Gradients

Series: Elektronik/Mikro- und Nanotechnik

Volume 396 2018

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Experimental procedure S. 32-50

„… case X-rays) and the e− at higher energy levels (E2) fill the holes by emitting element-specific …” „… dispersive X-ray spectroscopy: For an element-specific analysis the excitation of inner shells with incoming …” „… with the help of a spectrometer, 48 3 Experimental procedure which makes the element-specific …”

Results and discussion S. 51-163

„… ) also the element compositions, extracted from EDX, are shown for CGI, CGI and Se/metal. In order to …” „… reflection becomes more pronounced, which indicates a shifting compound ratio towards Cu9(In,Ga)4 rich phases …” „… for different Se amounts ranging from 1 μm to 3 μm. Furthermore, the element ratios GGI and CGI are …”

Fundamentals of chalcopyrite solar cell devices S. 4-31

„… element of the thin film solar cell is the CIGSSe absorber [17,18]. CIGSSe solar cells belong to the …” „… different elements AI (Cu), BII (In) and CV I (Se) can be described. The phase triangle is intersected by …” „… solar cell surface. An increasing absorber Eg (C → A) results in a shifting band edge to lower values …”

doi.org/10.51202/9783186396099

VDI Wissensforum GmbH - LAND.TECHNIK 2020

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VDI Wissensforum GmbH (ed.)

LAND.TECHNIK 2020

Series: VDI-Berichte

Volume 2374 2020

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M. Lang Design and analysis of a magnetic-electrical power split gearbox for application in an agricultural vehicle S. 17-22

„… controlling element for superpositioning of speed. As of today, this controlling element usually is formed by …” „… shifting event. Only a single magnetic-electrical recirculating gearset combination should be used to keep …” „… to develop a transmission whose shifting points are not fully seamless. If future tractors will at …”

doi.org/10.51202/9783181023747

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VDI Wissensforum GmbH (ed.)

ELIV 2017

Series: VDI-Berichte

Volume 2299 2017

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B. Hermann, K. Krumbiegel, M. Richter-Friedel, B. Schonlau Interaktive Spezifizierung und Validierung hochautomatisierter Fahrfunktionen in einer Mixed- Reality-Umgebung /Interactive specification and validation of highly automated driving functions in a mixe... S. 101-102

„… interacting with its elements. All components, from pre- to post-processing the process chain of mixed …” „… driving is shifting responsibility from the driver to the vehicle. Besides the actual tasks involved in …”

doi.org/10.51202/9783181022993

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