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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

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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

„… diffusive term is added to the continuity equation [28]. To improve the particle distribution, a particle …” „… gear is too large due to the particle size of 1 mm. Overall, the coating thickness for both experiment …” „… loss signal larger than 10 %. For VDI-Berichte Nr. 2389, 2022 657this setup, particles sizes have been …”

L. Hildebrand, F. Dangl, M. Sedlmair, T. Lohner, K. Stahl CFD analysis on the oil flow of a gear stage with guide plate S. 677-694

„… acceleration ramp and mesh size needs to address the considered object of investigation and the desired depth …” „… distribution by a high-speed camera. 1. Introduction Within the development of modern powertrains, a deep …” „… increase of gearbox efficiency and operational safety. Experimental investigations on the oil distribution …”

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

„… gears was investigated. Test gears of size m = 1 mm, z = 20, and b = 2 mm were milled from a …” „… is with the results of our previous studies [10,15], in which polymer gears of the same size were …” „… heat partitioning, i.e. distribution of the generated heat, between both teeth in contact. The …”

W. Kassem, M. Oehler, B. Sauer, S. Schmidt, J. Hausmann Investigation of the time-dependent behavior of plastic gears with local tribological simulation S. 1281-1294

„… transmittable power for the same size. The most commonly cited damage mechanism is thermal overload, but plastic …” „… combines a finite element analysis to determine the gear deformation and temperature distribution with a …” „… different gear sizes. The “C20” gear pair was used in [10] and can therefore be used to compare the …”

E. Lamaj, J. Blomeke, F. Rudolph, J. Hermes A comprehensive, fully parametrized calculation model for improved helical-hypoid gearbox efficiency S. 825-836

„… analysis, the design of new gear-boxes is based on the obvious variation of bearing sizes, distances and …” „… load-independent churning losses of the spur and hypoid gear teeth. Oil distribution and surface wetting are also …” „… solves the load distribution problem in a spatially convex contact area much more efficiently than …”

K. Daubach, M. Oehler, B. Sauer Wear simulation of worm gears based on an energetic approach S. 329-342

„… , Technische Universität Kaiserslautern Abstract Wear phenomena in worm gears are dependent on the size of …” „… of material, material fractures and wear particles form. The critical energy level is given by the …” „… wheel has an effect on the flank pressure distri-bution within a single mesh position. During running-in …”

B. Reetz, T. Munch, W. Kappeler Challenges for lead-free brass alloys in worm gears S. 1467-1488

„… forming and machining. For bigger sizes it is possible to forge an outer mantle made of special brass …” „… -phase particles improve the wear resistance of tin bronze. Its moderate hardness is beneficial for the …” „… worm wheels (a), the two sizes of worm wheels applied for these tests with gear ratio i=12 (b) and i=75 …”

J. Vorgerd, P. Tenberge, M. Joop Scuffing of cylindrical gears with pitch line velocities up to 100 m/s S. 903-914

„… is extended. These experiments cover multiple gear design parameters and sizes. Calculating the …” „… contact temperature is done using Blok´s theory [8, 9] of quasi-stationary temperature distribution of the …” „… scuffed regions. The scuffed damages show a local material removal of particles which were torn apart due …”

S. Oberle, V. Labriola, E. Melnikov, G. Gariglio High performance plastic gear solution in the engine environment S. 1033-1044

„… by metal particles and other aggressive fluids present under bonnet of the car (lubrication oil …” „… plastic gear, the greater the dimension changes due to temperature and humidity. Depending on the size and …” „… place over the entire flank. This optimum force distribution over the entire tooth flank thus leads to a …”

doi.org/10.51202/9783181023891

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Gefahrstoffe

Browse Volumes: Gefahrstoffe

GrdL Volume 80 (2020) Issue 01-02 ISSN Online: 0949-8036

Results in this title

C. Asbach, T. A. J. Kuhlbusch, U. Quass, H. Kaminski Zehn Jahre Messungen der Anzahl- und lungendeponierbaren Oberflächenkonzentration ultrafeiner Partikel im städtischen Hintergrund im Ruhrgebiet/Ten years of measurements of the number and lung deposited surface concentration of ultrafine particles in the urban background in the Ruhr Area S. 25-32

„… approximation of the bipolar charge distribution for particles in the submicron size range. J. Aerosol Sci. 19 …” „… ] Fissan, H.; Helsper, C. ; Thielen, H.: Determination of particle size distributions by means of an …” „… . Die dazu eingesetzten Messgeräte Scanning Mobility Particle Sizer (SMPS) und Nanoparticle Surface …”

W. Birmili, A. Pietsch, T. Niemeyer, J. Kura, S. Hoffmann, A. Daniels, J. Zhao, J. Sun, B. Wehner, A. Wiedensohler Vorkommen und Quellen ultrafeiner Partikel im Innenraum und in der Außenluft – Aktueller Kenntnisstand/Abundance and sources of ultrafine particles in indoor and ambient air – current state of knowledge S. 33-43

„… variability and principal components of the particle number size distribution in an urban atmosphere. Atmos …” „… atmospheric particle number size distributions. Atmos. Meas. Tech. 5 (2012), S. 657-685. [36] Asbach C …” „… . et al.: Particle number size distributions in urban air before and after volatilisation. Atmos. Chem …”

W. Frenzel, B. Kohnert Beiträge des Flugverkehrs zur Ultrafeinstaubbelastung – Ein Review/Contributions of aviation to ultrafine particulate matter – A review S. 7-18

„… , A.; Busen, R.; Fiebig, M.: Ultrafine particle size distributions measured in aircraft exhaust …” „… Differentielle Mobilitätsanalysatoren in Verbindung mit CPC (Scanning Mobility Particle Sizer, SMPS) oder …” „… Elektrometern (Fast Mobility Particle Sizer, FMPS) verwendet. Eine aus analytischer Sicht nach wie vor …”

M. Köhler, A. Ohle, M. Beckmann, S. Steinau, F. Tettich, S. Graf Ultrafeine Partikel im Abgas von Humankremationsanlagen/Ultra-fine particles in the flue gas of human crematories S. 19-24

„… mit einem Scanning Mobility Particle Sizer (SMPS+C) der Fa. Grimm Aerosol Technik Ainring GmbH & Co …” „… , 2001. [3] Schneider, F.; Spielvogel, J.; Hock, T.; Pesch, M.: On-line nanoparticle size distribution …” „… . Ultra-fine particles in the flue gas of human crematories A B S T R A C T In Germany, the amount of …”

M. Weißhaupt Fraktionierende Staubmessung an Arbeitsplätzen nach dem Impaktionsverfahren mit dem Kaskadenimpaktor S. 63-64

„… .; Cherrie, J.; Galea, K.: Protocol for Monitoring Particle Size Distributions with a (Modified) Marple …”

doi.org/10.37544/0949-8036-2020-01-02

VDI Wissensforum GmbH - LAND.TECHNIK AgEng 2019

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VDI Wissensforum GmbH (ed.)

LAND.TECHNIK AgEng 2019

Series: VDI-Berichte

Volume 2361 2019

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M. Trimmel, P. Riegler-Nurscher, R. Streimelweger Broadband SHF Radar measurements for soil moisture estimation in the range between 1 and 18 GHz S. 347-354

„… moisture level and soil particle size. Potential frequency ranges in the signal magnitude were found to be …” „… also influenced by other soil properties as soil type, surface roughness, size distribution and bulk …” „… mean-weight diameter (MWD) was calculated with the eight sieving fractions. Different soil particle sizes …”

M. L. Bilde, J. T. Andersen, A. Morrison New Cleaning system design for high capacity combine harvesters S. 537-544

„… and MOG1,. Secondly, the downstream air distribution in the cascade is designed to affect the MOG-rich …” „… . As combine harvesters of today have reached the limit for both weight and building size, the …” „… sub-process of distribution, stratification and pre-separation of the grain and MOG mixture upstream the …”

M. Sax, R. Latsch, T. Anken, V. Moser, P. Krummenacher Automated site-specific overseeding of grassland S. 165-228

„… therefore proportional to the radar cross section (RCS) σ of the spray which varies with the particle size …” „… carried out showed that the spread of particle sizes should not be finer than P45S (DIN EN 17255). On …” „… has been tested on several fields. On each test field three test areas in the size of 3x20m were …”

L. Levato, C. De Marco, P. Tamamidis, G. Monacelli, S. Panunzio Development of a compact After-Treatment System for agricultural tractors S. 295-304

„… contained in exhaust gases. To develop a well-performing ATS system, the size of the substrates and the …” „… non-road engines between 19 kW and 560 kW whose limits are reported in Table 1. Also, PN (Particle Number …” „… inlet of the ATS (turbo outlet) and distribution of the evaporated injected material at the inlet of …”

A. Biswas, E. Eising SoilReader: A new in-situ multi-depth, multi-constituent, on-the-go precision soil analyzer S. 355-376

„… inferences of varying particle size and light scattering [26]. Partial least square regression (PLSR) and …” „… manufactured at any size) and allows for the collection of spectra for different depths – in our case 6 depths …” „… soil properties. Fig 2: Boxplot showing the distribution of 9 soil properties (Dataset 1) Overall …”

doi.org/10.51202/9783181023617

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Gefahrstoffe

Browse Volumes: Gefahrstoffe

GrdL Volume 81 (2021) Issue 11-12 ISSN Online: 0949-8036

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Christian Lehmann, Remus Rainer, Günter Noll, Wolf-Dieter Kalkoff, Ernst Wusterhausen, Christian Ehrlich Emission measurement campaigns of Respirable Crystalline Silica (RCS) at industrial plants/Emissionsmessungen von alveolengängigem kristallinen Siliziumdioxid (RCS) an Industrieanlagen S. 425-434

„… on the Total Particulate Matter concentration and the particle size distribution in the stack gas …” „… of the particle size). The processes of drying, crushing and grading produce similar distributions …” „… E M I S S I O N S M E S S U N G E N Figure 3 Evaluation of particle size distributions of both …”

doi.org/10.37544/0949-8036-2021-11-12

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Gefahrstoffe

Browse Volumes: Gefahrstoffe

GrdL Volume 80 (2020) Issue 05 ISSN Online: 0949-8036

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K. W. Hanley, R. N. Andrews, S. Bertke, T. Carter, K. Navarro, K. Ashley Manganese fractionation using a sequential extraction method to evaluate welders’ flux core arc welding exposures in a shipyard, structural steel and custom parts manufacturers/Studie zur Bewertung der Exposition am Arbeitsplatz gegenüber Mangan (Mn) im Schweißrauch beim Fülldraht-Lichtbogenschweißen (flux core arc welding, FCAW) mithilfe eines sequentiellen Extraktionsverfahrens in einer Werft, bei Baustahl und Anlagen für Sonderteile S. 185-193

„… the inhalable levels (conversion factor = 1.0) because of the very small particle size distribution …” „… particle size selectors. Table 5. Number and distribution of Mn(sum) measurements exceeding the OELs …” „… samples. Grinding dust produces larger particle size distributions than WF. Given that the welders in …”

U. Teipel, J. Barthel, O. Befolo, E. Dionysiadis, F. Götz, T. Hanke, T. Hartmann, C. Hofberger, J. Kleemann, C. Lemberger, L. Michels, J. Pflaum, S. Hogekamp, C. Reichel Neuer Probennahmekopf für die Feinstaubmessung/New sampling head for fine dust measurements S. 195-200

„… distribution, which results in improved sedimentation of the dust particles in the sample collector. Finally …” „… , the separable limiting particle size is discussed as a function of the inflow of the outside air. New …” „… particles. Mineola (New York): Dover Publication 1978. P r o f . D r . - I n g . U l r i c h T e i p e …”

doi.org/10.37544/0949-8036-2020-05

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