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VDI Wissensforum GmbH - Schwingungsanalyse & Identifikation 2016

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VDI Wissensforum GmbH (ed.)

Schwingungsanalyse & Identifikation 2016

Series: VDI-Berichte

Volume 2259 2016

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G. Mikota, R. Haas, E. Lukachev, W. Berger Experimentelle Modalanalyse eines gekoppelten hydraulisch-mechanischen Systems S. 97-108

„… , an experimental modal analysis is performed. The excitation is constituted by a flow rate pulse …” „… response functions between flow rate and pressure or velocity are used to identify natural frequencies …” „… mechanischen Abstützung der Rohrleitung. Die Wechselwirkung zwischen Fluid und Struktur bei wasserführenden …”

doi.org/10.51202/9783181022597

Martin Weschta - Untersuchungen zur Wirkungsweise von Mikrotexturen in elastohydrodynamischen Gleit-/Wälzkontakten

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Martin Weschta

Untersuchungen zur Wirkungsweise von Mikrotexturen in elastohydrodynamischen Gleit-/Wälzkontakten

Series: Konstruktionstechnik/Maschinenelemente

Volume 448 2018

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Literaturverzeichnis S. 182-206

„… fluids: A new flow equation for pseudoplastic systems. Journal of Colloid Science, 1965, 20(5), 417-437 …” „… Parallel Bearings in Transient Flow Conditions. Tribology Transactions, 2013, 56(6), 953-967. [113 …” „… Analysis of the Incompressible Laminar Flow in a Macro-Roughness Cell. Journal of Tribology, 2003, 125(2 …”

doi.org/10.51202/9783186448019

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wt Werkstattstechnik online

Browse Volumes: wt Werkstattstechnik online

wt Volume 91 (2001) Issue 6 ISSN Online: 1436-4980

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E. Uhlmann, T. Frost, S. Piltz, H. Szulczynski Strömungssimulation von Bearbeitungsprozessen S. 320-324

„… beschrieben werden. Mit Hilfe von Strömungssimu-lationsprogrammen, der „CFD – Computational Fluid Dyna-mics …” „… der Wärmeübergang zwischen dem Fluid und dem Substrat und der Wärmeübergang zwi-schen einer möglichen …” „… . Die Software erlaubte nicht die gemeinsame Darstel-lung der Temperaturen von Substrat und dem Fluid im …”

doi.org/10.37544/1436-4980-2001-6

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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M. Ruzek, F. Ville, P. Velex, Y. Marchesse Windage power loss reductions in high-speed gear pairs S. 91-100

„… pinion (Fig. 4.a). This is due to the radial ejection of the flow by the rotating teeth leading to flows …” „… )). Within the arrival of powerful computational methods, a “Computational fluid dynamics” (CFD) based on …” „… applied to a spur gear by Pallas (13). This worked helped to understand the air flow behavior around the …”

D. Mevissen, C. Lopenhaus, T. Bergs Calculation of mixed friction conditions in large-scale rolling-sliding contacts for different surface structures S. 555-568

„… as flow factors or solid contact pressure curves [3, 4]. The micro contact calculation based on …” „… integrated by look-up tables, such as regression equations for fluid film thickness. However, the …” „… influence of fluid pressure on the elastic deformation of the surface topography. 2. Calculation Method …”

F. Concli, L. Maccioni, C. Gorla Power loss analysis of different high-power density gearbox typologies: CFD analysis and experimental measurements on a cycloidal gear set S. 101-114

„… conditions and mostly to spur gears only. To overcome these limitations, the computational fluid dynamic and …” „… considers 2 incompressible fluids, capturing the interface using a VOF method with mesh motion. It relies …” „… (Fig. 2). Fig. 3: Flow chart of the GRA VDI-Berichte Nr. 2355, 2019106 Fig. 4: Example of mesh …”

Z. H. Wu, Y. Q. Xu, K. A. Liu The Analysis on Grease Lubrication at Two Tapered Bodies Contact Considering Surface Roughness S. 1223-1236

„… the contact, the grease will flow to sides and next to the contact over time. There may be very …” „… pressure spike for small values of the flow index. Zhang et al. [9] analyzed the change law of typical …” „… fluid and its rheological properties are usually described with the Herschel-Bulkley constitutive model …”

M. Uhlig, C. Pastor Simulation tool-chain for plastic gear design S. 1453-1460

„… on the Reynolds equation, elasticity equation and the fluid model, calculates contact pressure …” „… flow factors or real 3D topography measurements. Literature, e. g. [7], describes the theory behind the …” „… tribology assessment tool. Important parameters are topography and fluid characteristics. Fig. 4 …”

K. Stahl Foreword S. 1-2

„… dynamic behavior, on component level, like CFDsimulations of the oil flow and TEHL simulations and even on …” „… the application of tailored synthetic or even water based lubrication fluids are typical. Several …”

K. S. Ivanov, E. K. Yaroslavtseva Creation of gear self-controlled variator S. 1135-1144

„… and the hydro cylinder 2. The cylinder is filled by a viscous fluid. The dashpot procures …” „… and creates the resistance to an energy flow depending on its intensity. Fig. 4: Rotational …” „… enclosed external moments. Relative speed is connected with fluid consumption through drain ports 12 /v …”

A. Miltenović, M. Banić, V. Miltenović Prediction of heat generation of crossed axis gearbox S. 583-594

„… computational techniques and resources, researchers used modelling and simulation of fluid flow in gearbox …” „… systems using Computational Fluid Dynamics (CFD). Also, it is possible to simulate friction heat …” „… thermo-fluids of gearbox systems, International Journal of Heat and Mass Transfer 2015, 81, pp. 337– 346 [6 …”

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

„… measure the current flow induced by hydrogen diffusion through the metal sample (Fig. 1a)). The sliding …” „… (MAC fluid) from Nye Lubrication with a viscosity of 108 cSt (40°C) and (ii) perfluoro-poly-ether …” „… (PFPE) from Klüber Lubrication with a viscosity of 100 cSt (40°C). The MAC fluid is a 1,2,4-Tris (2 …”

R. Beilicke, L. Bobach, D. Bartel Transient 3D TEHL simulation of spiral bevel gears under mixed friction conditions S. 529-540

„… the assessment of mixed friction conditions, non-Newtonian flow behavior and mass-conserving …” „… in [3] and [4]. A discrete mixed friction model is included as well as a non-Newtonian flow model …” „… on pressure and temperature. For the representation of non-Newtonian flow behavior a shear thinning …”

E. Maier, T. Lohner, K. Stahl, P. Sperka, M. Hartl Detailed analyses of film thickness and friction in thermoplastic EHL contacts S. 1391-1400

„… gears, fluid lubrication is required for effective heat removal and prevention from wear. The …” „… could be present even at fluid film lubrication. The elastic deformation of the thermoplastic surface …” „… ]. Most of the above studies have stressed a precise description of fluid behavior in soft EHL contacts …”

K. Takaki, M. Sugimoto Optimization of hypoid gear macro/micro geometries for high efficiency drives, taking into consideration NVH and strength S. 367-378

„… load-bearing area under fluid film lubrication, fs is the friction coefficient of the area under boundary …” „… , 2019368 3.1 Calculation of mesh friction loss Figure 3 is a flowchart of the procedure for calculating …” „… . ∬ , , , VDI-Berichte Nr. 2355, 2019 369 Fig. 3: Flowchart of simulation program for estimating mesh efficiency …”

doi.org/10.51202/9783181023556

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VDI Wissensforum GmbH (ed.)

SIMVEC 2022

Series: VDI-Berichte

Volume 2407 2022

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R. Winstanley, D. Flad, F. Menter, A. Main, Raunak Borker, Anand Singh, R. Jia, J. Maruszewski Next Generation Ansys GPU CFD Solver Technology for External Aerodynamic Applications S. 45-62

„… turbulent channel flow up to Re τ= 590. Physics of fluids, 11(4), 943-945. 12. Heft, A., Indinger, T., and …” „… its scalability for generic flow cases. In the applications section, results of simulations for the …” „… is added to the mass flow rate at mesh faces. Time-integration is carried out using the segregated …”

J. Lee, S. Rehfeldt, H. Klein, D. Bäder, A. Eisenträger, J. Kuhnert, I. Michel Two-phase water evaporation MESHFREE CFD method for wet automotive component dry-out time prediction S. 33-44

„… discretize the domain and is able to resolve both fluid dy-namics and continuum mechanics. In order to …” „… Fluids (VoF), the advantage of the meshfree approach is maximized with this newly developed feature …” „… . Fundamental conservation equations and physical models The flow in the GFDM is governed by three fundamental …”

A. Hüppe, D. Scholz, F. Menter, R. Winstanley, F. Muldoon Octree Meshing Technology for External Aerodynamic CFD Applications S. 21-32

„… Britain; Frank Muldoon, NTS, St. Petersburg, Russia Abstract For scale resolving flow simulations, the …” „… that no flow path gets unwillingly closed. The resolution limits are 3 cells in the gap which might …” „… a trailing edge of an airfoil as seen from the fluid. For concave corners on the other hand, the …”

M. Glensvig, C. Kozlik, D. Kreilinger Full Vehicle Virtual Calibration Platform – AVL Co-Simulation and SiL solution S. 629-646

„… Fluid injection (DEF). Vehicle model The vehicle model represents a typical long-haul truck with …” „… released in a chemical reaction in the catalyst after adding a Diesel Engine Fluid (DEF) containing urea …” „… presented in Figure 6. VDI-Berichte Nr. 2407, 2022640 Fig. 6: NOx (tail-pipe) and total fluid consumption …”

N. Klinke, F. Schewe, B. Scholemann On the application of machine learning for the prediction of feasibility and thermal performance of cooling plates for battery electric vehicles S. 543-554

„… well as the mass flow rate ? are given quantities. Fig. 8 depicts those quantities. Fig. 8. Cooling …” „… using a commercial computational fluid dynamic (CFD) code. Even though meshing, solving and …” „… / channel side) The engineer evaluates key performance indices (KPIs) like the maximum temperatures, fluid …”

M. Thiele, T. Gerlinger Simulation Data Management from CAD to Results for large LEGO® Crash Models S. 349-370

„… . 3.8.3 CFD – computational fluid dynamics One of the latest disciplines that has been added to our LEGO …” „… ® example in our SDM system is external aerodynamics using computational fluid dynamics (CFD). Running CFD …” „… even create a TensorFlow machine learning model and generate 3D visualizations for these meta models …”

doi.org/10.51202/9783181024072

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