Performance and economic optimization of an organic rankine cycle for a gasoline hybrid pneumatic powertrain

Dimitrova, Zlatina; Lourdais, Pierre; Maréchal, François

doi:10.1016/j.energy.2015.04.047

Cited by 34 publications

(13 citation statements)

References 16 publications

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“…The energy integration methodology is applied on a hybrid electric vehicle energy system, and is studied for an adapted dynamic profile, represented by characteristic clustered operating points . The concept of a hybrid pneumatic powertrain and organic Rankine cycle is evaluated on different driving cycles and the economic analysis of the customer mobility is done, according to the drive profile …”

Section: Methodsmentioning

confidence: 99%

“…[10] The concept of a hybrid pneumatic powertrain and organic Rankine cycle is evaluated on different driving cycles and the economic analysis of the customer mobility is done, according to the drive profile. [12] The novelty of this article is to propose a methodology for integrated mobility and comfort services on vehicular applications. In this method the comfort demand profiles are clustered on stationary typical multi-periods.…”

Section: Energy Integrationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…The concept of a hybrid pneumatic powertrain and organic Rankine cycle is evaluated on different driving cycles and the economic analysis of the customer mobility is done, according to the drive profile. [12] In this article an innovative methodology using energy integration and multi-objective optimization is applied for the design of the organic Rankine cycle loop. The selection of the organic Rankine cycle design is based on technoeconomic indicators and is done by using a qualification utility function for the population of solutions on the Pareto curve.…”

Section: Introductionmentioning

confidence: 99%

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Energy integration on multi‐periods for vehicle thermal powertrains

Dimitrova

Maréchal

2016

Can J Chem Eng

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Internal combustion engines are the most applied energy converters in passenger cars. In order to increase their efficiency, energy integration techniques are used to recover waste heat. An adapted methodology is required to design the organic Rankine cycle (ORC) as a waste heat recovery technology and to test the influence of the external temperature on its efficiency. The idea is to cluster the external temperature profile on typical external temperature multi‐periods. The energy system design is then tested on these typical multi‐periods. In this article the methodology is applied on a vehicle with a diesel engine, in order to define the energy integrated configuration of the vehicle and to estimate the cost of the additional equipment. The performance indicators of the energy integration technology of the internal combustion engine is done and discussed, according to the multi‐periods. The energy recovery potential of a single stage ORC for a diesel engine is assessed for different temperature profiles. The ORC equipment is simultaneously pre‐sized and its cost is estimated.

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Section: Methodsmentioning

confidence: 99%

Section: Energy Integrationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Energy integration on multi‐periods for vehicle thermal powertrains

Dimitrova

Maréchal

2016

Can J Chem Eng

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“…The energy integration could be also activated in the superstructure. The energy integration method is presented in additional articles [9], [10], [11], and uses principles of energy and exergy analysis described in [12] for waste heat recovery from the cooling system and exhaust gases of the thermal engine.…”

Section: Methodsmentioning

confidence: 99%

Vehicle propulsion systems design methods

Dimitrova

2017

MATEC Web Conf.

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Abstract.To meet the targets of sustainable development and greenhouse emission reduction of the future vehicles fleet, the automotive industry needs to deploy cost-competitive and efficient advanced energy conversion systems for the future commercial personal vehicles. The efficiency improvement needs induce to search new structured methodologies allowing the integration of the efficiency/cost vision for different vehicle energy technologies, in the earlier design stage of the new vehicles and their propulsion systems. This article proposes a method to compare systematically different vehicles design options under different economic and environmental scenarios. The proposed methodology combines flowsheeting vehicles models, energy integration techniques, economic evaluation and life cycle assessment in a computational platform. The methodology is applied on electric vehicles and hybrid electric vehicles. This article presents the application of a systematic environomic optimization for vehicle energy systems. The efficiency, economic and environmental performances are assessed for different energy technology options and their integration in advanced vehicles powertrains. The performances indicators are compared and the trade-off are assessed to support decision making and to identify optimal energy systems configurations.

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Progress in high performance, low emissions, and exergy recovery in internal combustion engines

Punov

Evtimov

Chiriac

et al. 2016

Int. J. Energy Res.

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Summary This article first gives a brief review of thermal engines designed for terrestrial transportation since the 1900s. We then outline the main developments in the state of the art and knowledge about internal combustion engines, focusing on the increasingly stringent pollution constraints imposed since the 1990s. The general concept of high‐energy performance machines is analyzed from the energy, exergy, and public health point of view and illustrated with typical examples of clean energy production and zero emissions. Whereas the energy analysis revealed high potential of waste heat recovery from both exhaust and cooling system, the exergetic analysis revealed much higher recovery potential from exhaust gases. The exergy content of exhaust gases was observed to be within the range from 10.4% to 20.2% of the fuel energy. The cooling exergy is within the range from 1.2% to 3.4% of the fuel energy. The article concludes with some perspectives for the emergence of an economic model that could be applied to land‐based transport systems in the framework of energy transition by 2030. Copyright © 2016 John Wiley & Sons, Ltd.

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Performance and economic optimization of an organic rankine cycle for a gasoline hybrid pneumatic powertrain

Cited by 34 publications

References 16 publications

Energy integration on multi‐periods for vehicle thermal powertrains

Energy integration on multi‐periods for vehicle thermal powertrains

Vehicle propulsion systems design methods

Progress in high performance, low emissions, and exergy recovery in internal combustion engines

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