Powertrain cooling concept selection process for hybrid electric vehicles

Dutta, Nilabza; Rouaud, Cédric; Masera, Marcelo; Beuzelin, F.; Hughes, C.A.V.

doi:10.1533/9780857095879.1.61

Cited by 4 publications

(3 citation statements)

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“…There are also valves and quantity and pressure sensors that control the pressure and the flow of the fuel into the transfer pumps [10]. The cooling of the hybrid electric car system is conducted by a system of radial coolant pumps, assisted by the car's air conditioning system [170]. In addition, the equipment also includes supercapacitors and flywheels that store electrical and kinetic energy (hybrid energy storage with supercapacitors), supplying the car with extra energy besides that from the battery packs [169].…”

Section: Advances In Hybrid Electric Vehicles' Equipmentmentioning

confidence: 99%

Evolution of Equipment in Electromobility and Autonomous Driving Regarding Safety Issues

Katis

Karlis

2023

Energies

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Over the years, an increase in the traffic of electric and hybrid electric vehicles and vehicles with hydrogen cells is being observed, while at the same time, self-driving cars are appearing as a modern trend in transportation. As the years pass, their equipment will evolve. So, considering the progress in vehicle equipment over the years, additional technological innovations and applications should be proposed in the near future. Having that in mind, an analytical review of the progress of equipment in electromobility and autonomous driving is performed in this paper. The outcomes of this review comprise hints for additional complementary technological innovations, applications, and operating constraints along with proposals for materials, suggestions and tips for the future. The aforementioned hints and tips aim to help in securing proper operation of each vehicle part and charging equipment in the future, and make driving safer in the future. Finally, this review paper concludes with a discussion and bibliographic references.

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Section: Advances In Hybrid Electric Vehicles' Equipmentmentioning

confidence: 99%

Evolution of Equipment in Electromobility and Autonomous Driving Regarding Safety Issues

Katis

Karlis

2023

Energies

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“…For instance, closing both valves until the ICE reach 80°C reduce the warm-up phase of 22.3%. Dutta et al 22 have manually generated and evaluated on 1D simulation software seven hydraulic architectures for cooling system. The cooling architectures share the same cooling components but with different connections among them.…”

Section: Introductionmentioning

confidence: 99%

Optimal HEV cooling system design through a computer-aided virtual development chain

Baysset

Chessé

Chalet

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part D:

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To reduce CO2 and pollutant emissions, automotive manufacturers tend to turn increasingly toward electrified powertrains solutions, such as Hybrid Vehicles (HEV). Model Based System Engineering (MBSE) and computational tools are useful to support the development of HEV systems. System architectures need to be investigated to find optimal solutions regarding multiple possible goals constraints (fuel consumption, CO2 emissions, etc.). In this study, a novel global optimization framework is proposed to enable an automated cooling system optimization. The methodology starts with a set of components, design rules, and system requirements to search and automatically generate all the admissible cooling system architectures. System architectures are generated by a concept of decision tree. The decision tree algorithm is coupled to a design rules database to avoid exploring solutions that do not satisfy system requirements. Hydraulic models are automatically built for each system architecture generated to optimize head losses and minimize the pump consumption. For the most interesting solutions, 3D piping geometrical data (lengths, angles, and curve radius) are automatically drawn by a 3D optimization tool. Piping geometrical data are integrated in GT-SUITE thermo-hydraulic simulation models automatically built to evaluate the most interesting cooling system architectures generated. The best candidates are identified by a multi-criteria decision-making strategy. A first case of conventional vehicle cooling system is studied. Results on the given example indicate that the difference of energy consumption on WLTC cycle between the best performing architecture and the worst one is 69%.

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“…In 1996, the United States Department of Energy launched an extensive cooperation with automobile companies including Chrysler, Ford, and GM and formulated a vehicle energy-efficiency With the rapid development of computer technology, there exists more and more commercial software for VITM to analyze and simulate the multiple thermodynamic processes [12][13][14]. For example, the 1D program platform of Flowmaster can analyze the functional parameters on scale of system including flux, pressure, velocity and temperature variations under transient or steady conditions [15]. Compared to analysis of the hydraulic system, the 1D software KULI was developed for thermodynamic equilibrium and configuration matching for thermal dynamic components to ensure the performance of the power system, underhood cooling systems and HVAC [16].…”

Section: Introductionmentioning

confidence: 99%

Advances in Integrated Vehicle Thermal Management and Numerical Simulation

et al. 2017

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Abstract:With the increasing demands for vehicle dynamic performance, economy, safety and comfort, and with ever stricter laws concerning energy conservation and emissions, vehicle power systems are becoming much more complex. To pursue high efficiency and light weight in automobile design, the power system and its vehicle integrated thermal management (VITM) system have attracted widespread attention as the major components of modern vehicle technology. Regarding the internal combustion engine vehicle (ICEV), its integrated thermal management (ITM) mainly contains internal combustion engine (ICE) cooling, turbo-charged cooling, exhaust gas recirculation (EGR) cooling, lubrication cooling and air conditioning (AC) or heat pump (HP). As for electric vehicles (EVs), the ITM mainly includes battery cooling/preheating, electric machines (EM) cooling and AC or HP. With the rational effective and comprehensive control over the mentioned dynamic devices and thermal components, the modern VITM can realize collaborative optimization of multiple thermodynamic processes from the aspect of system integration. Furthermore, the computer-aided calculation and numerical simulation have been the significant design methods, especially for complex VITM. The 1D programming can correlate multi-thermal components and the 3D simulating can develop structuralized and modularized design. Additionally, co-simulations can virtualize simulation of various thermo-hydraulic behaviors under the vehicle transient operational conditions. This article reviews relevant researching work and current advances in the ever broadening field of modern vehicle thermal management (VTM). Based on the systematic summaries of the design methods and applications of ITM, future tasks and proposals are presented. This article aims to promote innovation of ITM, strengthen the precise control and the performance predictable ability, furthermore, to enhance the level of research and development (R&D).

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Powertrain cooling concept selection process for hybrid electric vehicles

Cited by 4 publications

References 0 publications

Evolution of Equipment in Electromobility and Autonomous Driving Regarding Safety Issues

Evolution of Equipment in Electromobility and Autonomous Driving Regarding Safety Issues

Optimal HEV cooling system design through a computer-aided virtual development chain

Advances in Integrated Vehicle Thermal Management and Numerical Simulation

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