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wt Werkstattstechnik online

Browse Volumes: wt Werkstattstechnik online

wt Volume 109 (2019) Issue 01-02 ISSN Online: 1436-4980

Results in this title

D. Müller, B. Kirsch, J. C. Aurich Kühlkanalaustrittsbedingungen bei Bohrern*/Cooling channel outlet conditions for drills. Influence of the cooling channel diameter and second tool orthogonal clearance on the cooling lubricant’s efficiency S. 30-34

„… Kühlkanaldurchmesser einen Einfluss auf die Kühlung hat. The cooling lubricant efficiency of internally cooled drills …” „… can be increased by optimizing the cooling channel outlet conditions. In this paper, the influence of …” „… the cooling channel diameter and the second tool orthogonal clearance on the drilling process is …”

M. Volz, E. Abele, M. Weigold Innovatives Spannfutter mit integrierter Drehdurchführung*/Innovative cuck with integrated rotary feed-through – New type of system solution for enabling machine tools for cryogenic cooling S. 61-66

„… nachgewiesen. Cryogenic cooling strategies can increase tool life when machining materials with low thermal …” „… conductivity. This paper presents an innovative approach to supply liquid carbon dioxide (CO2) as a cooling …” „… enabling machine tools for cryogenic cooling 1 Einleitung und Stand der Technik Titan als Werkstoff wird …”

M. Weber, M. Helfert, F. Unterderweide, E. Abele, M. Weigold Synchronreluktanz-Motorspindeln in Werkzeugmaschinen*/Synchronous reluctance motor spindles in machine tools – Energy-efficient drives increase accuracy and reduce cooling requirements of machining centers S. 72-80

„… on machine tools including the cooling system, proposing an intelligent spindle thermal management …” „… – Energy-efficient drives increase accuracy and reduce cooling requirements of machining centers 1 Einleitung Das …” „… machine tools including the cooling system, proposing an intelligent spindle thermal management …”

D. Albrecht, T. Stehle, H.-C. Möhring Hochleistungsbeton für Werkzeugmaschinengestelle*/High performance concrete for machine tool structure. Investigation on the operation behaviour in cooling lubricant environment S. 17-23

„… oil or cooling lubricant which are often in use for machining. UHPC übertreffen den konventionell …” „… . Investigation on the operation behaviour in cooling lubricant environment 1 Einleitung Betonwerkstoffe eignen …” „… or cooling lubricant which are often in use for machining. Konstruktion Werkstoffe …”

doi.org/10.37544/1436-4980-2019-01-02

VDI-Wissensforum GmbH - DRITEV – Drivetrain for Vehicles 2021

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VDI-Wissensforum GmbH (ed.)

DRITEV – Drivetrain for Vehicles 2021

Series: VDI-Berichte

Volume 2381 2021

Results in this title

P. Geskes, J. Treier, M. Moser MAHLE 48V Battery for Truck applications S. 581-592

„… integrated optimized cooling and integrated BMS. The modular system offers a high system compatibility at …” „… requirements. For the high-power applications MAHLE provides a battery cooling underneath of the cell stack …” „… -volt connection, venting valve and fluid connection for the cooling. The efficient, active cooling …”

R. R. Kasibhatla, P. Neidhardt, K. Caliskan Thermal Simulation according to Maturity Level in E-Drive Development S. 61-76

„… effizienten Unterstützung des Entwicklungsprozesses notwendig. 2. Abstract Effective cooling system is …” „… simulation differs. Additionally, the variety of system concepts and cooling methods requires special …” „… . 2381, 202164 distribution in the system, heat transfer paths and pressure drop in the cooling circuitry …”

F. Bayer, J. Tochtermann Development of a Heavy-Duty E-Axle S. 621-636

„… design topics, such as e-motor development, E/E, cooling and controls concept. E-Axle for Heavy-Duty …” „… Cooling and Lubrication System In the next step, the pneumatic shift actuator and the hydraulic …” „… direct oil cooling. As the cooling fluid directly touches the main heat source, namely the end and …”

D. Morgenweck, M. Großmann, W. Fakler, M. Lamke, F. Bitzer ZF E-Mobility Software Functions for Commercial Vehicles S. 703-718

„… WABCO and now ZF company . It consists of an electric drive system, a battery, and a cooling system …” „… , transmissions, cooling systems, shifting actuator and, power electronics. Wherever possible, synergy effects …” „… , low-voltage, and cooling connections. This also makes it easier to integrate the different drive variants …”

G. Sandkühler Heavy Duty Vehicles with Electric Drive Train and Hydrogen Fuel Cells as Range Extender S. 701-702

„… , secondary cooling circuit by a plate heat exchanger, the primary cooling circuit is due to this separation …” „… very small in terms of volume, it contains only 4,2 litres of de-ionized cooling water, where the …” „… secondary cooling circuit is at approximately 70 litres per fuel cell. VDI-Berichte Nr. 2381, 2021702 …”

C. Schörghuber, M. Ortner, J. Pell, S. Pretsch Holistic system design and operation of a fuel cell truck based on an innovative energy management S. 685-700

„… cooling system. All systems have to operate together in an optimal way which is controlled on high level …” „… effects of the fuel cells and battery cells. The resulting cooling demand leads to a significantly higher …” „… the thermal management system to the surroundings. Thereby several cooling circuits including …”

A. Nees Flexible Electro-hydraulic Actuation System for Multi-speed Electrified Drivetrains – Requirements and Concept S. 275-290

„… can therefore make all the difference. Looking at the cooling demand of emachines and inverters …” „… ideally lossless permanent actuation of shift elements. Other functions such as cooling, lubrication and …” „… the drivetrain, used for cooling and lubrification of either traction machine (rotor) or gear sets …”

M. Dilzer BorgWarner P2 Modules – from HV to 48V S. 35-46

„… complexity and remove the water coolant channel. A carefully balanced oil cooling configuration allows for …” „… synergetic cooling of the E-Motor active parts and the embedded clutch system simultaneously. P2 …” „… reduced axial packaging. Cooling Configuration – based on extensive CFD analysis the cooling concept …”

C. Schmidt, H. Dhejne, J. Karlsson High Efficient 2 speed e-Axle – Highly efficient and shiftable under load S. 145-158

„… size reduction. Highly efficient cooling concepts are the key to fulfill the customer expectation on …” „… . With the direct cooling the continuous power output of the very compact machine can be drastically …” „… improved compared to water jacket cooling and improves the efficiency due to lower temperature level of …”

J. De Landtsheere TREMEC HYbrid DRive Axle – HYDRA – Hybridization enables RWD dynamics in a FWD car S. 125-144

„… cooling channels in this shared housing avoid the use of a separate oil cooler for the axle. The torque …” „… application demands it and of course if the vehicle battery and cooling system are able to support the power …” „… , such as a shared cooling system with the e-machine, shared housings with the e-machine for reduced …”

M. Hein, J. Pellkofer, K. Michaelis, T. Tobie, K. Stahl, D. Kadach Test method A/16,6/90 with injection lubrication for discriminating different lubricants for dual-clutch transmissions S. 437-452

„… cooling. Load is stepwise increased until scuffing is visually observed. The running time in each load …” „… heating or cooling. By starting the test run, the heating or cooling unit is completely switched off …” „… heating and cooling system for the oil, an oil injector at the test gear box (see Fig. 8) and an oil …”

A. Bagh, D. Magnor, J. Kneiber, F. Löhe eTransport – Application of axle-integrated e-drive in urban LCV and MD trucks S. 637-652

„… VDI-Berichte Nr. 2381, 2021 641 cooling system is provided by a chassis mounted cooling system that is not …” „… Mercedes-Benz Vario the scope of supply besides e-axle, inverter and motor oil cooling system includes a …”

Z. Caba, M. Zafer, C. Harman, G. Hellenbroich, Ö. Eyigöz Multi-speed e-axle for electrified heavy commercial vehicles S. 609-620

„… Continuous power density Cooling type Efficiency Scalability As a result of the evaluation, it …”

H. Wittig, J. Engasser, A. Glavinic AEROFLEX – Distributed Hybrid Drivetrain for Long Haul Freight Vehicles S. 593-608

„… unit, an electrically driven axle, which require a liquid cooling system, and a Local System …” „… torque vectoring capability is not provided. The electric powertrain contains two cooling circuits …”

A. R. Lowis, R. Smith hofer H8-DCT-850 – High Performance Dual Clutch Transmission for transaxle application S. 179-190

„… select gears. It also required a high flow/low pressure cooling and lubrication supply, to underpin the …”

R. Kockisch, J. Müller, Erik Schneider Modular transmission systems for future BEV platform applications S. 11-22

„… electro-mechanic actuated. The cooling and lubrication is realized as a passive system. With 4150 Nm as maximum …”

L. de Ruijsscher TREMEC Hybrid Dual Clutch Transmission (HDCT) – Electrification of TREMEC’s high performance dual clutch transmission S. 159-178

„… : cooling systems, inverter(s), battery pack(s), electronics, … This drives the need to keep component size …”

E. Schneider, C. Danzer, E. Schreiterer Modular and highly functional Hybrid Platform for subcompact cars up to full-size SUV S. 191-206

„… oil cooling (no radial space for a water jacket required) for high peak torques and to lower the …”

F. Müller-Deile Advanced design of electric machines for trailers with electric axles S. 653-668

„… VDI-Berichte Nr. 2381, 2021656 example, a cooling compressor on refrigeration trailers. On the other hand, the …”

D. Lechleitner, M. Hofstetter, M. Hirz, C. Gsenger, K. Huber Parking Lock Integration for Electric Axle Drives by Multi-Objective Design Optimization S. 303-318

„… output for operation combined with the cooling system is present. Furthermore, the load capacity of the …”

G. Herbillon Performances Validation of an electrically-commanded dog clutch system for multi-speed and disconnectable eDrives S. 255-274

„… in lamellas. Active oil cooling needed Unless specific design, electromagnet clutches are …”

doi.org/10.51202/9783181023815

VDI Wissensforum GmbH - AgEng LAND.TECHNIK 2022

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VDI Wissensforum GmbH (ed.)

AgEng LAND.TECHNIK 2022

Series: VDI-Berichte

Volume 2406 2022

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D. Tyris, P. Panagakis, D. Manolakos, A. Gkountas, P. Bakalis A dynamic heat pump model for precise environment control of a broiler house in Northern Greece S. 485-492

„… combining the operation modes of heating, cooling and dehumidification. The current study presents a …” „… pumps aiming to cover the heating, cooling, and dehumidifying needs a 10,000 broilers’ house in Northern …” „… consumption and the use of efficient systems to cover the heating and cooling needs of livestock buildings …”

A. Kavga, T. Petrakis, V. Thomopoulos The contribution of innovative semi-transparent photovoltaics for energy autonomy in the field of greenhouse systems S. 61-68

„… consumption, whether for heating, cooling, or artificial lighting, cannot be overlooked, accounting for up to …” „… region and for cooling the consumption reaches 100,000 kWh/ha per year. In Greece, the energy consumption …” „… , cooling, and artificial lighting [1]. Most of the processes of a greenhouse that are exploited to maintain …”

A. Kavga, T. Petrakis, I. Lycoskoufis, V. Thomopoulos The contribution of innovative semi-transparent photovoltaics for energy autonomy in the field of greenhouse systems S. 631-638

„… population. On the other hand, greenhouses' significant energy consumption, whether for heating, cooling, or …” „… remarkably high. Only for the Mediterranean region and for cooling the consumption reaches 100,000 kWh/ha per …” „… year, with this related to heating, cooling, and artificial lighting [1]. VDI-Berichte Nr. 2406, 2022 …”

N. Katsoulas, C. Baxevanou, D. Feidaros Optimal design of a hybrid power generation system for greenhouses S. 53-60

„… considered: greenhouse using a) fossil fuel burner for heating and evaporative pads for cooling, referred as …” „… load type A, b) heat pump for heating and cooling, referred as load type B. Also, the energy …” „… demand for heating, cooling, irrigation, cold storage, fertigation, sorting, packaging and lighting are …”

A. D. Sonawane, N. Pathak, P. Mahajan, C. Weltzien Ethylene and oxygen evolution inside perforated packages: – A case study for avocados Ethylene and oxygen evolution S. 499-508

„… experiment was carried out at 10°C in a walk-in cooling room. Fig. 1: Experimental setup for monitoring the …” „… experiment for ethylene and oxygen was carried out at 10ºC and with cooling air velocity (~ 7.50 cm s-1) over …” „… extend the shelf-life of the stored tomato at cooling temperature. Food Chemistry, 2021. 364: p. 130309 …”

S. Hempel, L. Ouatahar, D. Janke, T. Amon A nested semi-mechanistic model to predict the temporal dynamics of ammonia emissions from a solid floor naturally ventilated dairy cattle building – Parameter estimation and associated uncertainties S. 197-202

„… [3]. In the present study, we considered a uniform urination over the day, a cooling of urine puddles …” „… from cow body temperature to ambient air temperature following the Newtonian law of cooling, and a …”

W. Faes, S. Lecompte, J. Maselyne Cost-effective implementation of renewable energy sources in livestock barns S. 245-252

„… barns can be equipped with a heating, cooling and ventilation system. These systems however cause the …” „… . Also underfloor heating, with water at 40°C, is present. No cooling systems are installed. Hot water is …”

A. Barbaresi, M. Ceccarelli, M. Bovo, M. Agrusti, E. Santolini, D. Torreggiani, P. Tassinari, G. Menichetti Machine Learning Models for Predictions of Thermal Energy Need in Farm Buildings S. 477-484

„… indoor climate control (heating and cooling) [1]. Computer energy simulations can help to reduce the …” „… optimisation algorithms and will investigate the difference between heating and cooling periods (winter and …”

L. Wannasek, D. May, D. Tyris, T. Amon Design of an on-farm biomethane upgrading plant with hybrid compression and filling station S. 259-266

„… devices. Only the control unit and the cooling water set are not designed according to ATEX directives and …” „… and H2O condensate from cooling and dehumidification of the raw biogas. Due to the open-frame design …”

D. Tyris, D. Manolakos, T. Bartzanas, S. Benni, T. Amon, J. Maselyne, S. Lecompte, P. Grammelis, A. Balafoutis, G. Zhang, P. Bakalis, S. Kalogridis, O. Marchand, H. Hoes, J. Gomes RES4LIVE – Energy Smart Livestock Farming towards Zero Fossil Fuel Consumption S. 493-498

„… cooling-heating of the indoor livestock buildings environment, running of equipment and tractors, lighting, and …”

E. Michielan, M. Mattetti Combine harvester – Outlining the combine harvester usage through CANBUS data analysis S. 41-46

„… thermodynamic loss of the engine itself, pumping torque loss and the losses of fuel, oil and cooling pumps as a …”

A. Gkountas, P. Bakalis, D. Tyris, D. Manolakos Thermodynamic modelling of a Biomass Organic Rankine Cycle for sustainable heat and power cogeneration in greenhouses S. 47-52

„… to generate power and another cooling loop is used to cool the refrigerant in the condenser, while …”

M. Trimmel, E. Eder, P. Riegler-Nurscher, K. Schedle Prospective Thermal Processing of Soybeans Using a Bean Characteristic Model S. 541-548

„… control of the crop flow from the feed hopper. After treatment, the beans are collected in a post-cooling …”

S. H. F. Al-Rikabi, E. Santolini, M. Bovo, A. Barbaresi, D. Torreggiani, P. Tassinari, B. Pulvirenti Definition of a Porous Media Model Simulating the Presence of a Small Canopy Crops in a Greenhouse – CFD simulations and comparison with experimental tests S. 639-648

„… ., Nehdi, E., Boukhanouf, R., Kaiser Calautit, J.. Greenhouse design and cooling technologies for …”

M. A. Moreno-Teruel, F. D. Molina-Aiz, D. L. Valera-Martinez, A. Lopez-Martinez, F. Baptista Numerical and Experimental Analysis of the Stomatal Resistance of a Tomato Crop in Almería (Spain) S. 439-446

„… greenhouse climate control model incorporating effects of ventilation and evaporative cooling. Agricultural …”

M. Agrusti, M. Ceccarelli, M. Bovo, S. Benni, A. Barbaresi, E. Santolini, D. Torreggiani, P. Tassinari Assessment of milk yield loss induced by heat stress in dairy cows – Researching the sustainability and the animal welfare S. 75-84

„… . Strpić et al., “Application of ground heat exchangers in cow barns to enhance milk cooling and water …”

doi.org/10.51202/9783181024065

VDI Wissensforum GmbH - LAND.TECHNIK AgEng 2023

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VDI Wissensforum GmbH (ed.)

LAND.TECHNIK AgEng 2023

Series: VDI-Berichte

Volume 2427 2023

Results in this title

C. Mayer, T. Eberhart, K. Huber, J. Karner Fuel cell electric tractor powered with biogenic hydrogen – Vehicle design and architecture S. 57-62

„… alternative fuel, the integration of an electric drivetrain and the higher requirements on the vehicle cooling …” „… [7, 8]. The introduced electric powertrain required a modification of the existing three main cooling …” „… circuits of the donor vehicle. They consist of the cooling system of the ICE, the transmission oil and …”

J. Konrad, C. Varlese, C. Junger, R. Krizan, P. Hofmann Fuel cell electric powertrain for the agricultural tractor – FCTRAC: development, performance, and benchmarking S. 49-56

„… cooling circuit. Heat dissipation via exhaust gases is insignificant. Thus, especially at high loads …” „… [4]). The limitation of the heat dissipation of liquid-air cooling systems is generally on the air …” „… coolant circuits. The components of the FC are divided into two cooling circuits. The directly cooled …”

S. Geißler, T. Herlitzius Simulation of filling and venting operations in agricultural cold heat networks by using CFD and the Volume of Fluid method S. 417-424

„… Dresden University of Technology is HUKMEN: heating and cooling with one network: technology for …” „… the surrounding soil. In monovalent operation (heating in winter and cooling in summer), modern …” „… be supplied by 1 ha of unsealed area. Fig. 1: Local cold heat network with heating and cooling loads …”

F. Wohlfahrt, P. Heymann Potentials of Functional-electrified System Topologies for the Powertrain Design on Combine Harvester Applications S. 341-348

„… Power-ManagementVDI-Berichte Nr. 2427, 2023344figure 3). The thermal “balancing of plant” is realized by 2 cooling circuits …” „… deploying an active cooling to the battery-system fed by the AC-compressor of the machine and a second …”

C. Nöß, J. Weller A Fuel Cell Tractor in Operation – Concepts and Field Data S. 39-48

„… . A pushing fan driven by a 10 kW electric motor supplies the cooling package. The compressed air …” „… electrical and cooling components fit under the hood (with small adjustments), the hydrogen storage system is …”

doi.org/10.51202/9783181024270

VDI Wissensforum GmbH - ELIV-MarketPlace 2022

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VDI Wissensforum GmbH (ed.)

ELIV-MarketPlace 2022

Series: VDI-Berichte

Volume 2405 2022

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Florian Pampel, M. Stapelbroek, I. Hazanavicius Tailored battery systems for entry level up to high performance applications Challenges in battery development S. 99-108

„… liquid cooling Busbars coolingCell package with LTO battery cells for high performance requirements …” „… BATTERYDedicated high power cells or cylindrical cellsInnovative cooling designNew materialsIncrease functions per …” „… Inverted T-beam as structural AND cooling componentAdjustable end pieces for different connection methods …”

Manuel Gärtner, Nadia Lecci New STi2GaNTM technology for ultra-fast switching automotive applications S. 121-132

„… frame• Very low and controllable parasitic elements • Double site cooling VDI-Berichte Nr. 2405, 2022124 …” „… referenced) cooling tab e.g. logic interfacee.g. power stage outputs6DCI package to leverage at the best the …” „… cooling for excellent thermal performances• Extremely flexible in pad positioning and number of vias …”

J. Großmann Charging communication for commercial vehicles – as simple as for passenger cars? S. 369-378

„… DetailsCharging communication for commercial vehiclesCurrent level Max. current Cooling cable/connector Cooling …” „… Preconditioning type (e.g. cooling, heating or ventilation)Outside temperature (if the outside temperature differs …”

M. Raimann New GaN based DC-DC converter concept for future fuel cell and charging applications S. 331-338

„… EMC-FilterCoupled inductorDC-link capacitorSiC power module(not visible)Cooling in-and outletDriver boardDC …”

doi.org/10.51202/9783181024058

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