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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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H.-J. Dennig, L. Zumofen, A. Kirchheim, S. Winterberg, D. Stierli Increasing the safety against scuffing of additive manufactured gear wheels by internal cooling channels S. 1345-1364

„… Overall Scuffing/mmTorque/NmScuffing Vs Applied Torqueaverage w/o cooling average w coolingStd. deviation w/o cooling Std. deviation w coolingsingle result w/o cooling …” „… Increasing the safety against scuffing of additive manufactured gear wheels by internal cooling …” „… example, integrating a cooling system can increase the safety against scuffing or reduce the amount of …”

P. Barreiro, S. Pfrimmer, G. Armutcu, J. Hermes Quality improvement of an aluminum gearbox housing by implementing additive manufacturing S. 1429-1446

„… this end, a new kind of die with integrated cooling channels was designed and evaluated using additive …” „… solidification cavities of the cast part as well as the cooling behavior of the standard die were analyzed. Thus …” „… , the areas to be cooled down in a controlled way were identified and the corresponding cooling system …”

T. Arndt, J. Klose, M. Gerstenmeyer, V. Schulze Tool wear development in gear skiving process of quenched and tempered internal gears S. 1331-1344

„… experiments the workpiece tensile strength, workpiece material (AISI 4340 and AISI 4140) as well as cooling …” „… single-tooth test setup. This shows the significant influence of different cooling and lubrication methods in …” „… windows [2]. Jansen used uncoated high speed steel tools and cooling lubricant in a gear skiving process …”

M. Zalfen, J. Lovenich, O. Malinowski, C. Brecher, J. Brimmers, S. Neus, S. Stark, D. Kruger Test rig concept for high power VHCF gear testing S. 485-498

„… of power and therefore losses, which have to be compensated by sufficient cooling systems. The …” „… . Conversely, the power of the cooling system needs to be in the same order. In comparison to existing concepts …” „… cooling system. 5.2 Bearings Due to the combination of high rotational speeds and high radial forces …”

M. Steinbacher, T. Boyraz, R. Fechte-Heinen, G. Hellenbrand Heat treatment development for the new steel grade X20NiCrAlMoV6-5-2-1 for high performance gear wheel application S. 891-902

„… specific series of acetylene boost steps with adjacent diffusion steps and a final cooling to RT in the …” „… cooling chamber using high pressure gas quenching. As an alternative for high temperature carburization an …” „… cooling to 60 °C in the cooling chamber using an agitated universal vacuum oil.Plasma Nitriding was …”

L. Maccioni, F. Concli, C. Paschold A Novel Concept of Nested Cycloidal Speed Reducer S. 969-984

„… . 2). No heating or cooling of the ISO VG 32 mineral oil was done. The pinion was rotating …” „… dissipation which only considers constant geometrical values of the housing and cooling air parameters such as …”

C. M. Illenberger, T. Tobie, K. Stahl Operating behavior and performance of oil-lubricated plastic gears S. 1117-1132

„… constant at the shaft cen-ter. Heating cartridges and cooling pipes al-low controlling the oil temperature …” „… 99oil injectionoil levelplastic test gear cooling pipeVDI-Berichte Nr. 2389, 2022 11195. Test …”

A. Gebhard, W. Kassem, M. Oehler Cylinder-on-ring model wear tests as an input data source for the simulation of friction and wear of plastic gears S. 1133-1148

„… heating system and a set of fans for forced cooling. In order to maintain nominal ring temperature, both …” „… plastic rings caused a temperature rise that could not be abated effectively by the forced air-cooling …”

K. Yanagisawa, A. Weinmann Weight and cost reduction potentials with high performance polymers for gears S. 1019-1032

„… track records, we are active in sliding, cooling, fuel, air intake, and other fields of appli-cations …”

K. J. Winkler, T. Tobie, K. Stahl Influence of grinding zones on the tooth root bending strength of case carburized cylindrical gears S. 287-304

„… subsequent quenching of the component results in a superposition of residual stresses due to the cooling of …” „… the material and the transformation of the microstructure [15, 19]. For component heating and cooling …”

A. Sitzmann, T. Tobie, K. Stahl, S. Hoja, S. Schurer Deep nitriding – contact and bending strength of gears with increased nitriding hardening depth S. 875-890

„… . The cooling after nitriding was also carried out with the addition of ammonia (phase-controlled …” „… cooling) in order to avoid nitrogen effusion and subsequent denitration at the end of the process. In …”

A. Spatzig, N. Fujimura, P. de Oliveira Teixeira Practical analysis of productivity of grinding tools in the process of internal generating gear grinding S. 1319-1330

„… high sliding speed. A special internal cooling system minimizes spindle heat distortion and allows the …”

J. J. Zhang, Prof. Y. M. Hu, X. X Luan, Z. S. Zhang Research on the effectiveness of roelands formula with constant VPC in EHL of higher pair contact S. 119-132

„… . 593-605 [9] Reddyhoff, T., Spikes, H.A., Olver, A.V.: Compression Heating and Cooling in …”

S. Sklenak, J. Brimmers, C. Brecher Analysis of local wear within the dry lubricated rolling- sliding contact of coated surfaces S. 305-316

„… insufficient cooling of the rolling elements. Therefore, in the second step, the influence of interruptions on …”

Titelei/Inhaltsverzeichnis

„… cooling channels …”

F. Lagier, A. Bischofberger, K. Bause, S. Ott Suitability of additive manufactured PEEK gears as a means of gear sampling for automotive high-speed gearboxes S. 1045-1060

„… temperature of 250°C, allowing for heat peaks to be absorbed. Still, there is a high importance on the cooling …”

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

„… constant power. With that, the components that fulfil cooling tasks can be designed more compact. Less oil …”

D. Drummer, D. Schubert, C. Herzog In situ measurement of geometric and structural influences on the operating properties of polymer gears S. 1099-1116

„… / Cooling / Cycle time 1.5 / 6 / 20 / 35 Packing pressure 700 bars VDI-Berichte Nr. 2389, 202211023.2 …”

S. A. Bohme, J. Keski-Rahkonen, T. Komssi A standardizable approach to tooth flank fracture S. 371-388

„… , carburizing at multiple carbon potentials, the amount ofmartensitic transformation (i.e. the cooling rate …”

doi.org/10.51202/9783181023891

VDI Wissensforum GmbH - LAND.TECHNIK 2022

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VDI Wissensforum GmbH (ed.)

LAND.TECHNIK 2022

Series: VDI-Berichte

Volume 2395 2022

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D. Thute, J. Furmaniak, A. Alterbaum Compact cooling system set-up with an innovative pre-cleaning solution for a mid-range combine harvester application S. 243-250

„… Compact cooling system set-up with an innovative pre-cleaning solution for a mid-range combine …” „… of the cooling system of a combine harvester is essential for the reliable machine operation during …” „… machine environment of a combine harvester the setup of a cooling system with focus on an innovative …”

S. Prufling, B. Langer Latest technology solutions for Charging and e-Machines – how off-road and agriculture applications can benefit from automotive innovations S. 365-380

„… benefit from the direct oil cooling technology feature as well. Furthermore, charging is a key challenge …” „… indicators can be improved by the example of cooling. Since the cooling has a significant effect on power …” „… and torque density, there will be introduced a direct stator oil cooling method in detail. Finally …”

F. Pult, A. Stein, M. Geimer Challenges in the Use of Alternative Fuels: Solutions to handle Boil-Off Gas in Agricultural Machines S. 431-440

„… natural gas or, as in the ProBioLNG project, biogas. It is liquefied by cooling it to cryogenic …” „… to reduce the pressure in the tank caused by the BOG are either active cooling of the tank or …” „… electrical energy can either be stored in a battery or used to run the cooling system. In addition, the …”

A. Klein, M. Kissel, P. Pickel, F. de Moraes Boos, V. Kegel GridCON2 – Development of a Cable Drum Vehicle Concept to Power 1MW Fully Electric Agricultural Swarms S. 11-16

„… is chosen. Therefore, 1.6 kW of cooling-power is necessary to dissipate losses of estimated 40 W/m …” „… part of the development of such a vehicle, a novel cable drum cooling method along with preliminary …” „… dimensions and weight. Through cooling, about 2.5 times less cable weight is needed compared to an uncooled …”

F. Wohlfahrt, T. Gores, S. Terorde, L. Frerichs Applicability Evaluations of Methane based Powertrain and Energy Storage Systems on High Performance Harvesting Machine Applications S. 423-430

„… to additional fan-power-demand and limited compatibility to modular cooling-systems for …” „… into the tank at longer standing times. This evokes an (without active cooling) unavoidable …” „… on-road-applications, the cooling airstream needs to be generated actively by a fan consuming significant amounts of …”

Titelei/Inhaltsverzeichnis

„… Erntemaschinen GmbH, Harsewinkel Compact cooling system set-up with an innovative pre-cleaning solution for a …”

A. Opgenoorth, K. Schmitz Development of hydraulic drive systems in the context of electrified work machines S. 133-146

„… solutions, therefore reducing the fuel consumption and the required oil cooling. An example for a topology …”

doi.org/10.51202/9783181023952

VDI Wissensforum GmbH - Dritev – Drivetrain for Vehicles 2020

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VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain for Vehicles 2020

Series: VDI-Berichte

Volume 2373 2020

Results in this title

S. Worrall, J. Foulsham, I. Stone, T. Gassmann CeDrive – Electric drive technology for a new era – Advanced cooling and control of high-speed eDrive

„… CeDrive – Electric Drive Technology for a new era Advanced Cooling and control of high-speed …” „… Cooling and control of high-speed eDrive” und wird von der Englischen Regierung gefördert. GKN Automotive …” „… stands for “Advanced Cooling and control of high-speed eDrive”. It is a UK funded project led by GKN …”

S. Reuter, H. De Keyser, M. Doppelbauer Performance study of a PMSM with molded stator and composite housing With internal slot cooling – resulting in high continuous power

„… cooling – resulting in high continuous power M. Sc. S. Reuter, Fraunhofer ICT, Karlsruhe; H. De Keyser …” „… with a filled, high thermal conductive epoxy compound, cooling channels are created in the stator …” „… conductive metallic housing, necessary for a cooling sleeve. Simulations and experiments on the testbench …”

V. Null A new generation of thermal fluid technology for high performance charging of electric vehicles – How new thermal fluids can enhance battery performance in EVs

„… require a step change in thermal management performance. We studied how conventional cooling concepts …” „… with water/glycol compare to immersive cooling designs with CFD modelling. With a partner we developed …” „… . The simplest and cheapest cooling technologies utilise air, but these are becoming obsolete as the …”

P. Lück, K. Bennewitz, J. Tousen, J. Peter The front-axle drive of the MEB – Volkswagen expands the e-drive portfolio

„… cooling. This means that it is relatively easy to integrate it into the various ID. models performance …” „… . A powerful cooling system ensures that operation remains in the optimal temperature range of 25 to …” „… integrated in a cast housing in which the cooling system of the drive is also integrated. The rotor bearings …”

M. Deiml High speed electric drive system – A solution for the next generation E-cars

„… density in the conductors. Cooling A direct oil cooling system, like the one integrated in the AVL …” „… the torque ripple. With the direct cooling concept, the continuous power output of this small but …” „… powerful machine can be drastically improved compared to water jacket cooling. Direct cooling improves …”

A. Riegauf Transferability of economic electrification concepts in heavy goods traffic to mobile machinery

„… and the cell contacting potentials for modularization strategies can be tapped Cooling plate Nesting …” „… of cooling plates Modular thermal management ● Transfer of the cooling plate from the battery tray …” „… cooling plate for each module ● Connection of the module cooling plates to enable the overall thermal …”

G. Gardner Ford MACH-E Primary Electric Drive Unit

„… maximum power density as shown in Figure 2. To provide for efficient cooling the Mach-E PDU features an …” „… lubrication and cooling to the mechanical gear box components and cooling ot the motor assembly. To provide …” „… cooling functions. To keep cost low the e-pump is based off of the 10R80MHT pump design with a unique …”

P. Schwanemann, T. Pfund Market-driven electric motor designs from Schaeffler – Optimized electric motor design process via technology and production kits

„… 40 kW 65 kW Max active speed 7000 rpm Cooling system Active oil cooling Intuitively the very …” „… a better NVH behavior, and cooling a bar wound stator with oil is more effective than cooling a …” „… prioritized than NVH and the cooling concept (as seen in Figure 6). Base for this assumption is that The …”

C. A. Spangler Borg Warner’s P1 and P2 hybrid drive modules – Modular kit for P1 and P2 hybrids

„… cooling system to maximize heat rejection 20kW continuous performance / 25kW peak performance …” „… clutch actuation and cooling Fig. 4: Stand Alone 48V Inverter Control Software BorgWarner …” „… solenoids, gear actuation control pressure and flow solenoids and flow control cooling and lubrication …”

A. Manelli, F. Filippo Irato, C. Cavallino, R. Gay e-FDU: Concept, develop & industrialization of a novel P4 powertrain – From concept to industrialization of a novel P4 powertrain in 24 month

„… decision to use an “8” shape like layout, as visible in Fig. 3, and to use an external oil cooling circuit …” „… driven by a dedicated electric pump for guarantee an optimal lubrication and cooling of the e-FDU …” „… circulation circuit and inverter/e-motors cooling circuits, are replicated on the bench. The e-axle is …”

H. Gürbüz, S. Ott, A. Sutschet, J. Kern Highly efficient clutch system for multispeed BEV

„… . Sliding materials and cooling grooves As slide material sinter form, sliding coating and an aluminium …” „… alloy are used. To ensure the required lubricant film thickness, the test specimens have cooling …” „… cooling groove design VDI-Berichte Nr. 2373, 2020 127 5. Test results slide bearing …”

D. Kieninger, J. Hemsen, G. Witham The highly integrated ModulED drive module – Holistic concept design

„… Ravigneaux gear set, followed by a cylindrical gear reduction stage. The cooling subsystems of the motor …” „… and inverter run in parallel to reduce the required coolant pump power. The motor cooling itself uses …” „… several parallel channels. Having only one cooling circuit and all components integrated in one housing …”

G. Gardner 10R80 – Cost efficient modular hybrid transmission (MHT)

„… transmission architecture changes were kept to a minimum by utilizing motor cooling and clutch feeds/controls …”

P. Tenberge, A. Alnahlaui E-drive and hybrid-drive with 2 high-speed E-motors and a 2-speed gearbox

„… cooling systems increase so that also these small motors can provide big constant output power. To …” „… dissipate heat via an internal cooling. For these technical targets there are worldwide already good …” „… cooling concepts investigated and plenty prototypes have been tested. VDI-Berichte Nr. 2373, 2020 235 …”

M. Saborío, O. Sarmiento, C. Böhm High efficiency electric transmission oil pump – Transmission hydraulic efficiency improvement through hybridization

„… delivering enough flow to cover the cooling, lubrication and pressure demands of the transmission. Directly …” „… cooling system which requires the opposite. Vitesco Technologies’ ETOP lineup offers different …”

P. Ramminger, R. Jäger Evolution of the drivetrain and high voltage system in the new Corsa-e

„… ) and therefore has an own water cooling system. Also, the motor comes pre-assembled with the inverter …” „… 204 mm Pole pairs 4 4 Cooling Water jacket Oil. Dissipation within drive unit VDI-Berichte Nr …” „… therefore needs a separate cooling, in this case a water circuit shared with the power electronic …”

B. Pohle, M. Clauß, J. R. Schwarz, E. Schwiederik, D. Lasuen Design optimization of battery systems by multiphysics simulation

„… losses and effects of cooling. The last step is related to the investigation of the development of …” „… conductivity) and the cooling system has a good connection to the housing. Figure 8 Thermal 1D Model of …”

K. Kim New high efficiency CVT for middle class FWD vehicle

„… is increased by using cooling fluid from engine, which can contribute to the improvement of fuel …”

S. Demmerer Next generation electric drives

„… combined with an integrated hydraulic concept, which handles actuation, lubrication, and cooling within …”

M. Grill, M.-T. Keskin, M. Bargende Virtual RDE: Ensuring RDE conformity of hybridized powertrains in the early stage of the development process

„… are estimated, as these could be useful quantities for the design of the engines cooling system or …”

F. Brezger, A. Moser Investigation and potential analysis of shiftable form-locked one-way clutches for hybrid and electric vehicles

„… slip, which can help damp excitations of a combustion engine. However, they need cooling and evoke a …”

D. Schöneberger, S. Rinderknecht, D. Reitmeier, A. Mertens Development of a transmission control for an innovative high-speed powertrain using motor-related control – Simulative approach to develop an angular position controlled engagement of dog clutches in ...

„… innovative cooling and lubrication system and the multiple motor, multiple speed concept combined with an …”

doi.org/10.51202/9783181023730

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VDI Wissensforum GmbH (ed.)

ELIV 2021

Series: VDI-Berichte

Volume 2384 2021

Results in this title

D. Mehlig, M. Muller, J. Treier, A. Loges Long distance e-mobility in the trade-off between battery capacity & charging power – Battery immersion cooling as enabler technology? S. 545-562

„… immersion cooling as enabler technology? Dennis Mehlig, Markus Müller, Joachim Treier, Andre Loges …” „… pack with the need of an improved battery thermal management. Immersion cooling could be a very …” „… like refrigerant or coolant cooled battery cooling plates, new technologies such as immersion cooling …”

J. P. Mercier, O. Ploix Modular, standardized, and innovative Power Electronics for Automotive S. 533-544

„… extremely diversified both in terms of electrical sizing, packaging, cooling concept etc …” „… side cooling – base plate compatible with TIM, soldering and sintering processes 750 / 1200 V …” „… them particularly sensitive to the presence of voids in the cooling interface that can lead to a very …”

S. Koller, R. Uerlich, G. Witham, L. Eckstein Concept ELV² – Development of an Electric Drive Axle for Heavy Commercial Vehicles S. 653-0

„… Combination of Rough-designed Transmission Stages Detail Design* Shaftsy stem Toothing Cooling …”

Titelei/Inhaltsverzeichnis

„… – Battery immersion cooling as enabler technology …”

O. Bitsche How to solve the trade-off between vehicle dynamics, traveling time and CO2 emissions. The CO2-Life Cycle Assessment for the Porsche Taycan S. 523-532

„… . Higher charging power will increase the efficiency. Advanced cooling concepts and thermo management …”

doi.org/10.51202/9783181023846

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VDI Wissensforum GmbH (ed.)

SIMVEC 2022

Series: VDI-Berichte

Volume 2407 2022

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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

„… cooling plates for battery electric vehicles Dr.-Ing. Niklas Klinke, M. Sc. Frederik Schewe, Dipl.-Ing …” „… production of battery cooling plates. With the Mubea Rollbonding process two aluminum coils are joined …” „… phase of cooling plates, several disciplines have to be tackled at once: Those are the simulation of …”

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

„… cooling notchback variant in a closed cool-ing configuration with static floor and wheels ([13] Hupertz et …” „… Notchback Open Cooling DrivAer: A Detailed Investigation of Wind Tunnel Data for Improved Correlation and …” „… Full-Scale Open Cool-ing Version of the DrivAer Generic Car Model” 11th FKFS Conference “Progress in Ve-hicle …”

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

„… quality is shown for the example of the Open-Cooling DrivAer automotive geometry [1]. 2. The Parallel …” „… , 2022 29 4. Large Scale Meshing of Open-Cooling DrivAer Model The presented meshing algorithms are …” „… research and development. [1] Open-Cooling DrivAer (OCDA), European Car Aerodynamic Research Association …”

P. Baque Neural Concept Shape: Empowering Engineering Organizations with Deep-Learning – Applications to a faster transition towards e-drive systems for Automotive OEMs and Suppliers S. 289-290

„… transition towards e-drive systems, including the design of Thermal Comfort, Cooling, eMotors, and External …”

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

„… and E-drive is modelled as a thermal network, with the temperature of the cooling water and oil of the …” „… ICE, battery cells and E-motor winding determining the heat input to the active cooling system. The …” „… driver compartment heating and air conditioning cooling is modelled based on climate chamber measurements …”

Titelei/Inhaltsverzeichnis

„… of machine learning for the prediction of feasibility and thermal performance of cooling plates for …”

S. Scheidel, M. Goll, M. Tandl, B. Reiter, R. Neubauer Simulationsbasierte Wirkungsgradoptimierung einer Hochtemperatur Co-Elektrolyse zur e-Fuel Produktion S. 129-142

„… FT synthesis is highly exothermic and must be cooled. The reactor cooling heat can be used for water …”

doi.org/10.51202/9783181024072

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