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Christian Woitzik - Experimental testing and numerical simulation of granules as crash absorber for double hull structures

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Christian Woitzik

Experimental testing and numerical simulation of granules as crash absorber for double hull structures

Series: Mechanik/Bruchmechanik

Volume 356 2021

Results in this title

Titelei/Inhaltsverzeichnis

„… Fortschritt- Berichte VDI Experimental testing and numerical simulation of granules as crash …” „… · S ei te 2 L_211138_Reihe_18_356_Cover.pdf · Seite 2 2 2 Experimental testing and numerical …” „… – Experimental testing – Finite element method In the maritime sector, the collision safety is an essential …”

Introduction S. 1-5

„… description of the granular behaviour will be of particular interest. Therefore, experimental testing of the …” „… approach cannot be dismissed: It is cheaper than actual testing, and it can be used in an early design …” „… extension of the material models for the proposed use has to be verified. In order to do so, experimental …”

Bibliography S. 119-136

„… _211138_Reihe_18_356_Cover.pdf · Seite 2 2 2 Fortschritt- Berichte VDI Experimental testing and numerical …” „… Ships et al. [11], pp. 217–224, CorpusID:55030378. [18] T. Nakamura, T. Kuroiwa, Experimental study on …” „… , Experimental study on the collision strength of VLCC side structures, in: Proceedings of The Ninth …”

Conclusions and Outlook S. 113-115

„… experimental testing. A simplified side hull structure was designed in order to confine the granules in a box …” „… friction tests were performed. For the latter, an experimental setup was developed. These tests revealed …” „… material was considered in this experimental set: diatomaceous earth. Judging by the characterizing tests …”

Determination of bulk particle properties S. 40-63

„… Simulations Figure 4.1: Schematic view of experimental and numerical relations between the different tests and …” „… of this experiment is to determine the initial material parameters. Next, the experimental setup will …” „… be described, followed by the experimental results and, then, a numerical simulation based on the …”

Experimental investigation S. 64-87

„… 5 Experimental investigation In order to evaluate the granules as a filling material, a …” „… to obtain experimental results for the validation of numerical simulations. The setup used here is …” „… results, during the design process of the experimental test. There, a simplified double-bottom side …”

Numerical investigation S. 88-112

„… 6 Numerical investigation After obtaining the experimental results, the modelling of the collision …” „… resolution is favourable for comparisons with experimental data. The initial model used for the calculations …” „… is shown in Figure 6.1. This model has been used to design the experimental setup with material data …”

doi.org/10.51202/9783186356185

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

L. Braumann, H. Amri, V. S. Viteri, J. Ochoa LUBGEAR – Experimental Campaign for Aviation Gears in Loss-of- Lubrication S. 1063-1070

„… technologies to increase the life of aviation gears under LOL. Successful and efficient experimental testing …” „… under LOL requires special experimental methods and test article designs. Benefits of testing strategies …” „… loss of lubrication condition are mainly based on experimental testing. [1] [2] [3] [4] [5] Depending …”

B. Devaux, C. Hamon, S. Montani Evaluation of specialty polymer performances in gear applications and the bias between modeling and testing approaches S. 1515-1532

„… testing approachesB. Devaux, Solvay Material Science Application Center, Solvay Sa., Brussels, Belgium; C …” „… physical testing for future customer applications. This FE method involves the notion of wear energy …” „… here chosen to illustrate the different aspects of our work, starting with the experimental test …”

S. Matkovič, D. Šeruga, M. Nagode, M. Kalin Prediction of tooth root fatigue failure of polymer gears for dry and oil lubricated contact and its comparison to experimentally obtained results S. 1301-1318

„… prediction model is compared to experimental fatigue testing of polymer gears which are typically in the …” „… the chosen material need to be detailed study on the gear testing rigs to obtain lifetime curves and …” „… , especially at the practical level where the data for predictive models are generated, i.e. testing. If the …”

U. Cihak-Bayr, T. Wopelka, C. Wintersteiger Effect of LOL conditions under high velocity and high injection temperatures S. 763-778

„… or windmilling, which result in loss of lubrication conditions (LOL). An experimental campaign has …” „… to 30 m/s. The experimental campaign was complemented by a EHL simulation model, which can also …” „… topography, all based on 3D measurements. Experimental and simulation results showed that friction under full …”

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

„… being the driving factor for VHCF failures, demand is increasing for experimental fatigue data in the …” „… VHCF regime. This in turn creates a need for high-speed testing methodologies and an understanding of …” „… testing at matched strain rates are outlined …”

A. Drechsel, J. Pellkofer, K. Stahl Transferability of the scuffing load capacity of gear oils determined on spur gears to hypoid gears S. 881-896

„… of gears on the basis of physical or chemical oil data alone, experimental test methods are necessary …” „… test methods are reached. In order to ensure testing highly additivated hypoid oils as close as …” „… basis of physical or chemical oil data alone, experimental test methods are necessary. There are a large …”

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

„… Technology of the NTUA for their valuable assistance in experimental testing. 6. References [1] J. Kramberger …” „… conventional reinforcement A numerical and experimental comparative studyResearch Associate Dipl. Eng. G …” „… , experimental evaluation of the method was carried out, confirming the theoretical predictions. 1 …”

B. Černe, N. Vukašinović, D. Zorko In-situ experimental methods for measuring tooth meshing displacements and wear during polymer gear tests using a high-speed camera with microscopy optics S. 1563-1580

„… In-situ experimental methods for measuring tooth meshing displacements and wear during polymer gear …” „… methods provide a robust and powerful tool for quick and detailed experimental analysis of the mechanical …” „… accelerating gear wear testing, which is often tedious to perform and, in some cases, subjective to human …”

L. Bonaiti, M. Brambilla, P. Chiariotti, A. Cigada, C. Gorla, G. Boni, P. Codeluppi The effect of pinion axial positioning on noise and transmission error of face hobbed and face milled bevel gears S. 839-852

„… experimental campaign performed on two different bevel gear pairs manufactured with different techniques (face …” „… experimental campaign conducted on FH and FM gear pairs. The pair has been developed for an electric industrial …” „… , to enable testing gearboxes with two outputs, as it happens in vehicle axles. This reconfigurable …”

D. Zorko, N. Vukašinović, B. Černe The effect of gear manufacturing quality on the mechanical and thermal state of a plastic gear S. 1319-1332

„… . Experimental methods VDI-Berichte Nr. 2422, 2023 1323Experimental methods were employed in order to investigate …” „… grade was e25 (DIN 3967 [13]), with tooth thickness tolerances -0.03/-0.06 mm. Gear testing was …” „… conducted on a dedicated gear testing rig presented in Fig. 5. The gear testing rig was positioned in a …”

A. Alnahlaui, P. Tenberge Optimised statistical evaluation for the determination of tooth root endurance strength S. 19-32

„… testing of gears. To increase the accuracy by the determination of the gear reliability and in order to …” „… influences like the testing strategy, the number and standard deviation of the tested samples. Moreover, the …” „… several works on simulating experimental procedures such as by Hück [7] and Liu [8]. To perform a …”

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

„… . [25] ISO Standard. ISO/DIS 12107 Metallic materials-Fatigue testing-Statistical planning and analysis …” „… mode. Within this context, several testing methodologies can be found in literature, of which pulsator …” „… aspects and aims to analyse STBF experimental results using two different methodologies. Both of them have …”

J. Hongu, S. Hattori, J. Kato, T. Koide Gear friction coefficient estimation using directional parameter under ATF lubricated condition S. 753-762

„… ) and the obtained experimental friction values are compared with the estimation values obtained from …” „… experimental and estimated friction values in the case of the ATF was successfully improved, as with the MTF. 1 …” „… between their experimental and estimated gear friction values was significantly improved. Our previous …”

Titelei/Inhaltsverzeichnis

„… University, Aachen, GermanyExperimental Investigation of the load carrying capacity of beveloid gears with …” „… mesh phasing: modelling and experimental validation 157G. Devaraj, DANA Incorporated, Lindley, United …” „… Industrial and Automotive Drivetrains (IFA), Ruhr-University Bochum, GermanyOn the Testing of Flank Fracture …”

M. Yilmaz, M. Ayar, F. Zerulli, K. Humm, J. König, B. Schwarz Gearbox efficiency of eDrives: correlation between measurement and calculation of load-dependent torque losses S. 985-994

„… forces can be absorbed. Fig. 1: eDrive with axially parallel design (left) and experimental testing …” „… (right) Fig. 1 (right) shows the experimental testing at a motor-generator test rig, where the mechanical …” „… and therefore for especially higher speeds. VDI-Berichte Nr. 2422, 20239862. Experimental Setup …”

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

„… reference rack was achieved, but the VDI-Berichte Nr. 2422, 20231548testing conditions barely replicate real …” „… allowing a free thermal expansion of the testing sample. The rack tooth is made of POM for all test …” „… restricting the movement. To establish the desired tooth flank testing position, a proper tool with a width …”

W. Ramdane, C. Changenet, S. S. Ouali, C. Chevrel-Fraux, P. Casanova Thermal model of a planetary gear set using an isothermal approach S. 451-466

„… experimental is presented to evaluate the accuracy of the developed thermalapproach. Good correlation between …” „… experimental and numerical temperatures is observed.Keywords: Isothermal model, Power losses, splash …” „… the most critical ones, in terms of temperature can be selected for experimental validation in order …”

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

„… testing. [15] Through normal operation of a transmission, changes in the viscosity and additive content …” „… for testing is necessary to determine the chemical and physical parameters. Furthermore, a method for …” „… chapter, the test plan for oil analysis, the experimental apparatuses and the experiments themselves are …”

J. Zhang, B. Shaw, A. Hammer, I. Sewell Effects of Surface Engineering on the Efficiency of Involute Helical Gears – An Experimental Investigation S. 995-1016

„… . Waight, “Basic principles of disc and gear testing-machine design,” Proc Instn Mech Engrs, vol. 182, no …” „… Effects of Surface Engineering on the Efficiency of Involute Helical Gears – An Experimental …” „… systems seen in electric vehicle and aviation industries. In this experimental investigation, a mechanical …”

N. Blech, C. Paschold, T. Lohner, T. Tobie, K. Stahl, L. Amar Review of different calculation approaches for the mean coefficient of friction in ISO 6336 S. 191-210

„… friction are used in the respective parts. These are each based on experimental investigations that were …” „… from different experimental investigations and with respect to one particular gear damage type. ISO/TS …” „… of friction is given in Equation (5). It was derived from experimental gear power loss tests of …”

J. D. M. Marafona, J. H. O. Seabra, P. M. T. Marques, R. C. Martins Effect of overlap ratio on gear dynamic behavior and noise level S. 1239-1256

„… work consists on a preliminary study, prior to experimental testing, on the effect of varying the …” „… can be manufactured and experimental tests can then be performed. A brief description of the algorithm …” „… high power loss and low dynamic effects allow for a better experimental torque measurement due to the …”

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

„… agreement with VDI-Berichte Nr. 2422, 2023502experimental measurements. Fondelli et al. [44] used such …” „… performance and churning losses displayed a good correlation with experimental data. Deshpande et al. [51 …” „… numerical results showed good agreement with experimental data. Following a similar approach, Liu et al …”

S. Sklenak, D. Mevissen, J. Brimmers, C. Brecher, B. Lenz, A. Mehner Analysis of Load Cycles and Local Wear of Dry and Solid-Lubricated Gears S. 727-740

„… . Therefore, the design is based on experimental investigations that are as close as possible to the …” „… behavior of a dry and solid-lubricated contact. Furthermore, the state of research in the experimental …” „… behavior can VDI-Berichte Nr. 2422, 2023 729be observed in experimental investigations [7]. The friction …”

M. Willecke, J. Brimmers, C. Brecher Experimental Investigation of the load carrying capacity of beveloid gears with optimized flank topography S. 125-138

„… Experimental Investigation of the load carrying capacity of beveloid gears with optimized flank …” „… in a special developed back-to-back test rig. The results of the durability testing were then …” „… regarding the calculation and the testing of the load caring capacity. The calculation process is described …”

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

„… reference value for gear units. In the past, many experimental tests were necessary to get a sufficient …” „… many studies that experimental and simulative results agree well both visually and in terms of power …” „… agreement of simulation and experimental results for both oil flow and power losses. With focus on …”

B. Morhard, T. Lohner, K. Stahl Influence of Surface and Material Technologies on Loss of Lubrication Performance of Gears S. 779-784

„… . Light microscope pictures before and after testing are used for damage analysis. The results show that …” „… conditions and material systems. Experimental setup The test rig considered is the FZG gear efficiency test …” „… , M.; Isaacson, A.; Black, B.; Sahay, V.: Loss of lubrication testing. AHS International 74th Annual …”

M. Geitner, S. Preintner, T. Tobie, K. Stahl Simulation Study on the Tribological Characteristics in the Meshing Contact in the Context of the Load Carrying Capacity Calculation of Internal Gears with Unbalanced Sliding Conditions S. 429-450

„… practical application and in accordance with manufactured test gears for comparable experimental …” „… influence of unbalanced sliding conditions on the flank load carrying capacity within experimental …” „… film thickness (calculated from testing with standardized test gears [1, 8]). Consequently, differences …”

B. van Wissen, L. Pastukhov, F. Mitsuzuka, K. Iwanaga, A. Hasanovic NVH performance of thermoplastic gears: modelling and measuring S. 1389-1402

„… measurements and modelling using an experimental case study. Gear noise data is obtained using sound level …” „… influence due to the short testing time. Gear specimensThe injection molded plastic gears were molded in a …” „… both the same geometry. VDI-Berichte Nr. 2422, 20231392Experimental setup Fig. 3: Noise measurement …”

T. Tra My Truong, S. Schumann, B. Schlecht On the Testing of Flank Fracture Calculations Based on 3D-Gears S. 243-256

„… On the Testing of Flank Fracture Calculations Based on 3D-Gears Dipl.-Ing. Thi Tra My Truong …” „… appearance of flank factures. In order to avoid the failure of experimental tests, the gear design process is …” „… match the experimental results. Furthermore the research project FVA 240 II [2] tried to reproduce the …”

J.-A. Meis Parametric system simulation of load sharing in planetary gearboxes S. 269-280

„… . Unfortunately, detailed experimental results are only available after prototype testing, which is usually too …” „… compared to Flender design limits based on field experience and material testing to make sure that no …”

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

„… modifications during the test are rarely possible. The main disadvantage of experimental testing, however, is …” „… . Since experimental investigation is rendered unfeasible, a CFD analysis is necessary to uncover those …”

I. Atanasovska, D. Momcilovic Analysis of new tooth profile design based on the biomimetics principles S. 945-956

„… Momcilovic, Institute for material testing IMS, Belgrade, Serbia AbstractDuring the last decades, the …” „… . IntroductionThe refinement of the results of extensive theoretical and experimental research is required in order …” „… errors of FFF printed spur gears using PLA and Nylon. Polymer Testing 117 (2023), 10786 https://doi.org …”

L. Becker, P. Tenberge Crossed helical gears – simulative studies and experimental results on non-involute geometries S. 1499-1514

„… Crossed helical gears – simulative studies and experimental results on non-involute geometries …” „… Mises stress, left: tooth deformation [1]4. Manufacturing and testing To introduce the new crossed …” „… ) and manufactured (colored) wheel contour4.2 ZC geometry in experimental tests The practical tests are …”

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

„… rolled on one side using special rollers in a specially developed experimental setup. Although an …” „… : Contact radius a0 at pin tip diameter d=1.60 mmPractical testing of the tool concept Bevor burnishing, the …” „… experimental machine is an Index V300 Sonder, which has been optimized for gear skiving. After pre-machining …”

A. Hilligardt, V. Schulze Gear Skiving with Minimum Twist Errors S. 1749-1764

„… operational displacements of tool and workpiece. Fig. 6: Experimental twist analysis for the process from …” „… adaptation was practically implemented with the boundary conditions from the testing of the process from Tab …” „… : Simulative twist analysis with adaptive process kinematics Fig. 11: Experimental twist analysis with …”

F. Mieth, D. Tazir Local load capacity analysis for the design of a balanced flank modification for cylindrical gears according to bevel gear procedures S. 927-944

„… testing. The method is based on the calculation of the nominal contact stress at the pitch point H0 (0-1 …” „… roughness of RaH = 0.3 µm. The experimental running tests were performed using an FZG back-to-back gear test …”

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

„… Testing, Vol. 25, pp. 56–62, 2006. [16] Sharma, A., Aggarwal, M.L., and Singh, L.: Experimental …”

J. Lövenich, M. Zalfen, D. Mevissen, J. Brimmers, C. Brecher Crack growth based tooth root life prediction model – an influence quantity analysis S. 109-124

„… capacity in pulsator testing for elevated test temperatures of 130°C for the aerospace steels Lesco 53 (AMS …” „… , and Neil Anderson. 2021. An Experimental Evaluation of High-Cycle Gear Tooth Bending Fatigue Lives …”

L. Klee, T. Bergs, M. Solf, J. Brimmers Binder Jetting in Gears – Process Design and Tooth Bending Strength for Gears made of 17-4PH S. 1665-1680

„… analyzed. The results were summarized in a SN-curve. The experimental investigations of the ground gears …” „… component scaling and thus the curing process as well as the debinding and sintering process. Before testing …”

doi.org/10.51202/9783181024225

VDI Wissensforum GmbH - Schwingungsanalyse & Identifikation 2016

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VDI Wissensforum GmbH (ed.)

Schwingungsanalyse & Identifikation 2016

Series: VDI-Berichte

Volume 2259 2016

Results in this title

P. Blaschke, T. Teja Mallareddy, D. J. Alarcón Anwendung eines skalierbaren, automatischen Modalhammers und eines 3D Scanning- Laser-Doppler- Vibrometers an Turbinenschaufeln S. 85-96

„… validated through experimental vibration testing. The evolution of the testing methods has run in …” „… . [6] Sodano, H.A., Non-Contact Eddy Current Excitation Method for Vibration Testing. Experimental …” „… Doppler Vibrometer (3D SLDV) techniques represents now the highest degree of precision in experimental …”

A. Lenzen, M. Vollmering Vergleich verschiedener Ansätze zur Identifikation instationärer Eigenfrequenzen S. 179-196

„… . Moutinho. Recent perspectives in dynamic testing and monitoring of bridges. Structural Control and Health …” „… , E. G. Straser, A. S. Kiremidjian, K. H. Law, T. Meng. An experimental study of temperature effect …”

doi.org/10.51202/9783181022597

VDI Wissensforum GmbH - International Conference on Gears 2017

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2017

Series: VDI-Berichte

Volume 2294 2017

Results in this title

C. Peng, C. Li, B. Chen Development of a test rig for transmission performances of precision planetary reducer S. 1127-1132

„… of the reducer is becoming more and more important. A number of numerical and experimental …” „… comparator and digital micrometer. Kircanski, N. M. [2] performed experimental tests to study nonlinear …” „… for torsional rigidity and backlash testing of precision reducers with different types. The main …”

A. K. Shojaei, P. Volgers, M. Cassata Advanced modeling and experimental techniques for fatigue life prediction of plastic gears S. 1575-1582

„… gear experimental testing where only limited data is available in the literature for plastic gears …” „… assessment of its performance in capturing several experimental testing results. The developed design tool …” „… the developed methodology is investigated by through experimental testing. The CDM model captures …”

R. Nemoto, E. Tamura, N. Seyama, E. Tanaka Friction loss and surface durability of WN gears – A Comparison with involute gears S. 1133-1138

„… low speed. But only a few experimental results about their load carrying characteristics have been …” „… order to obtain the experimental results of the limiting load for pitting, the modified FZG test was …” „… 1133 1. Experimental equipment 1-1. Frictional loss grade Experimental equipment was used a power …”

K. Mao, V. Goodship, N. Madhav, R. Ramakrishnan, P. Langlois Experimental Investigations of Polymer Composite Gear Performance S. 1625-1636

„… Experimental Investigations of Polymer Composite Gear Performance K. Mao, V. Goodship, N …” „… transmission, especially within automotive engineering. This paper presents an extensive experimental …” „… gears are dominated by thermal factors. In most of the many experimental studies on gear running …”

C. Hasl, P. Oster, T. Tobie, K. Stahl Bending strength of oil-lubricated cylindrical plastic gears – Modified bending strength calculation based on VDI 2736 S. 1649-1660

„… plastic gears. Experimental results with steel-plastic spur gear pairings prove that load-induced …” „… 0.944 -0.498 0.147 -0.598 0.062 0.0442 5. Essential Results of Recent Gear Tests Experimental …” „… the injection molded test gears are reported in [7]. During testing, the test gears are lubricated …”

Titelei/Inhaltsverzeichnis

„… J. Yu, Design and experimental validation on a novel tow 97 L. Yao, speed transmission for …” „… of vibration for spur gears of tooth profile 527 H. Liu, modification and experimental validation of …” „… . Shaw J. Champain, Simultaneous experimental characterization of dynamic 953 S. Dalle, transmission …”

C. Brecher, C. Löpenhaus, F. Goergen, D. Mevissen Crack propagation analysis of pitting damages of high-strength material systems in gear applications S. 281-292

„… The approach to achieve the objective is presented in Fig. 2. First, the experimental investigations …” „… the experiment are compared with the results of the stress analysis. 3. Experimental Analysis …” „… Testing Conditions: The pitting load capacity tests in this report are carried out on a twoshaft back to …”

M. Kalin, A. Kupec Wear and Fatigue Behaviour of Polymer Gears under Controlled Temperature Conditions S. 1637-1648

„… Mechanical Engineering, University of Ljubljana, Slovenia Abstract The testing procedures and reported …” „… materials. However, the temperatures – even for the same load and velocity – vary greatly with testing …” „… sensitive to frictional heating; therefore, during the tribological testing, besides the load and velocity …”

B. Schlecht, F. Müller, S. Schumann Simulation and measurement of tooth flank deviations on bevel gears caused by pitting and micro pitting S. 293-304

„… addition, the simulation is validated by experimental results. In order to gain knowledge about the …” „… increasing damage a new measurement technique is introduced. Finally, the simulation and experimental results …” „… experimental results [3]. VDI-Berichte Nr. 2294, 2017 295 4. Experimental research In order to study the …”

D. Ghribi, C. Peyrac, M. Octrue Shot peening of gear tooth flanks: Search for an optimal surface topography against the micropitting S. 153-162

„… micropitting and results of experimental tests (two-disk Rolling-Sliding Contact Fatigue, RSCF, test …” „… affected area. A detailed analysis was conducted to follow during testing the evolution of the parameters …” „… for the different treatments 3. Experimental procedure Contact fatigue test Standard …”

A. K. Shojaei, P. Volgers An improved lifetime prediction technique for plastic gears through finite element analysis and continuum damage mechanics S. 1109-1112

„… investigated by through experimental testing. The CDM model captures well the fatigue data generated at the …” „… . Experimental data for DuPont™ Delrin® 100 are utilized to verify the performance of the proposed fatigue …”

T. Jurkschat, T. Lohner, K. Stahl Improved calculation method for load-dependent gear losses S. 893-904

„… , significant deviations compared to the state of the art can occur. Comprehensive experimental investigations …” „… experimental investigations at the FZG efficiency test rig. Test gears with a variation of different helix …” „… (6) Depending on the fluid load portion ξ, regression analyses of experimental results are made to …”

M. Nakagawa, D. Nishida, D. Sah, T. Hirogaki Development of novel test stand for three-axis driving planetary gear train control and analysis of novel PGT for noise reduction S. 331-340

„… for studies on PGT is increasing. Several experimental studies have been conducted on PGT [9], [10 …” „… . The theoretical inertia is calculated by CAD and experimental inertia is estimated by acceleration …” „… follow this inertia ratio. EXPERIMENTAL RESULTS AND DISCUSSIONS Tables 3 and 4 show the comparison of …”

M. Baar, P. Oster, T. Tobie, K. Stahl Theoretical investigations of the load distribution of small sized crown gear sets different material pairings S. 1593-1610

„… distribution is illustrated. Experimental tests were made to determine the load carrying capacity of small …” „… bases on experimental or FEM based inhouse know-how of individual companies. Existing approximations for …” „… also be mentored in reality. The calculation results align with the experimental results carried …”

M. Kanters, B. van Wissen, R. Nickel Relevant tribological testing method for high performance plastic gears S. 1507-1518

„… Relevant tribological testing method for high performance plastic gears Dr.ir. Marc Kanters …” „… . Experimental Materials Two DSM Stanyl® grades were used: TW241F10 (GF50), TW271F6J10 (GF30). Both consist …” „… driven gear were acquired, correlated, and averaged before and after testing using a wide-area 3D …”

J. Lohmiller, J. Hoffmeister, J. Hermes, M. Ansorg, H. Dhonau Development and investigation of austempered ductile iron (ADI) for thick-walled gear components S. 963-976

„… % ± 3.4%). 4. Discussion In addition to the experimental results from mechanical testing, the …” „… techniques and heat treatment was applied. Both materials show comparable quasi-static properties testing …” „… ” and “reference”. 2. Experimental Processing the Dhonau-SEW ADI, 3 tons of liquid iron were melted …”

M. Oehler, B. Magyar, B. Sauer A new standardizable calculation method to predict the efficiency of worm gear drives S. 363-372

„… verified by experimental results in order to reliably determine the efficiency of worm gear drives. The …” „… of the gears PVZ,0 according to [6]. 3. Validation by experimental Results For the validation …” „… of the tribological simulation software extensive experimental investigations are carried out with …”

C. Weber, T. Tobie, K. Stahl Investigation on the flank surface durability of gears with increased pressure angle S. 173-184

„… results of experimental and test accompanying studies are shown. They allow a direct comparison between …” „… available. These calculation methods are based on extensive theoretical and experimental studies on …” „… the load-carrying capacities is needed for such toothings. This also requires an experimental …”

G. Hlebanja, S. Kulovec, D. Zorko, J. Hlebanja, J. Duhovnik Influence of the tooth flank shape on thermal load of the gear S. 1583-1592

„… properties of S gears, then discuss analytical computations and finally experimental results with polymer …” „… . Experimental results The experimental system and layout has already been described in detail e.g. in [10 …” „… ., Schlosser, P. (2016) “A new experimental approach for measuring thermal behaviour in the case of nylon 6/6 …”

C. Gorla, E. Conrado, F. Rosa, F. Concli Austempered Ductile Iron (ADI) for gears: manufacturing, performances and tests S. 977-988

„… available for such a material, a testing campaign has been performed in order to obtain strength data for …” „… performances of which must be granted accurately, a research program aimed at the experimental investigation of …” „… 12107:2012(E) Metallic materials - Fatigue testing - Statistical planning and analysis of data. [13 …”

M. Hein, T. Tobie, K. Stahl Test method for time-scaled fatigue tests of gear transmission systems S. 1073-1084

„… consuming. The use of shortened test methods can reduce the required testing time and lead to cost savings …” „… economic risk in case of early failures. An extensive product testing is therefore essential to confirm …” „… systems [3] can reduce the required testing time and lead to cost savings. As early failures cause high …”

M. Takahashi, T. Itagaki, N. Maeda, H. Takahashi Evaluation of developed micro-gear endurance test system and basic study on load-carrying characteristics of micro-spur-gears S. 243-252

„… was evaluated. In addition, we proposed a method of endurance testing that maintains appropriate …” „… VDI-Berichte Nr. 2294, 2017 245 2.3 A method of endurance testing that maintains appropriate center distance …” „… is cantilever. In the case of endurance testing of the micro-gear the deflection is relatively low …”

T. Nagumo, M. Ishizuka, Y. Satou, S. Matsumura, H. Houjoh Estimation of loaded static transmission error using vibration measurement under operating conditions in a two-stage helical gear reducer S. 857-868

„… assembled gearbox. However, since measurement of the loaded STE requires a dedicated testing apparatus [3 …” „… . 3. Experimental setup 3.1 Test setup A two-stage helical gear reducer used in this experiment was …” „… corresponds to the tooth contact pattern in the experimental result. Fig. 6: Estimation result of …”

B. Kianian, C. Andersson Sustainability-conscious Powder Metallurgy gear manufacturing – An analysis of current manufacturing challenges S. 1251-1264

„… gear design experimental confirmation. Despite the improved sustainability aspects and financial …” „… re-designing the gearbox into PM for testing in demo cars. During these case studies, many material properties …” „… testing and full transmission validation testing (e.g. bench testing on the FZG rig, structure bone …”

M. Brumm, H. Müller Cyber physical gear production system – Vision of industry 4.0 gear production S. 1209-1218

„… between different gear design is possible. Also if the effort for simulation is reduced by testing gears …” „… : 978-3-540-71859-8 [4] Brecher, C.,Brumm, M.,Carl, C.: Experimental analysis and numerical simulation of the …”

S. Vonderschmidt, A. Vonderschmidt, R. Vonderschmidt A novel magnetic angular transmission S. 591-602

„… function and applications of coaxial magnetic gearboxes, the design and experimental results of an …” „… magnetic gearbox 7 Measurings For testing, two right-angled magnetic gearboxes were constructed. The …”

K. Tsujii, R. Ishikura, K. Inoue, Y. Tanaka, T. Morita Effect of alloying elements on edge part over-carburizing in vacuum carburizing S. 1415-1426

„… used in the tests. Using a hydraulic-servo tensile and compression testing machine, 4-point bending …” „… .) 3. EXPERIMENTAL RESULTS AND DISCUSSION 3.1 Microstructures and Vickers hardness Fig.3 and Fig.4 …”

G. Goch, K. Ni, Y. Peng, A. Günther Paradigm change in cylindrical gear metrology using areal measurement and evaluation S. 1025-1038

„… Experimental verification Conventional line evaluations as well as areal evaluations were applied to the same …” „… ] VDI/VDE 2612-Guidline “Measurement and testing of gears”; Chapter 5.2.1., (Final draft for ballot …”

doi.org/10.51202/9783181022948

VDI Wissensforum GmbH - Gleit- und Wälzlagerungen 2017

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VDI Wissensforum GmbH (ed.)

Gleit- und Wälzlagerungen 2017

Series: VDI-Berichte

Volume 2308 2017

Results in this title

X. Ai, J. Rhodes, T. Klaehn, E.-D. Oprescu Virtual Bearing Life Test S. 97-102

„… rolling contact fatigue. For this reason, bearing endurance testing is routinely performed to establish …” „… testing is often cost prohibitive. Virtual bearing life test (VBLT) becomes increasingly appealing not …” „… physical testing. VBLT provides a costeffective means for bearing manufacturers to conduct bearing …”

D. Vaes, P. Tesini, K. Stadler Evaluation of roller slip losses in wind turbine gearbox high speed shaft bearings S. 283-298

„… TRB-arrangement used in wind turbine gearboxes are evaluated both by testing and advanced simulations. A typical …” „… . VDI-Berichte Nr. 2308, 2017 291 The comparison of numerical and experimental results focusses on the roller …” „… experimental results to be set up correctly. Therefore, the model is accurate only for the current set-up of …”

doi.org/10.51202/9783181023082

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