Application of Rankine Cycle to Passenger Vehicle Waste Heat Recovery - A Review

Zhou, Feng; Dede, Ercan M.; Joshi, Saurabh

doi:10.4271/2016-01-0178

Cited by 9 publications

(6 citation statements)

References 30 publications

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“…In the direct recovery method, it is possible to use the engine block as the heat exchanger, avoiding specific heat conversion parts of the cooling system. [ 102 ] This means that a higher T can be exploited in the WHR system; hence, it is possible to use more heat rejected by the ICE. Other studies show how the heat dissipated by the engine block can be coupled with the vaporizer cooling system.…”

Section: Automotive Applicationsmentioning

confidence: 99%

Waste Heat to Power: Technologies, Current Applications, and Future Potential

et al. 2020

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Energy consumption, environmental impact, and sustainability have risen fast through the ranks, achieving the first places in driving investments, policies, and concerns of all countries at any developmental stage. Energy transformation, though, must cope with nonunitary efficiency of devices and processes, which results in a distributed production of waste heat. A reduction of emissions, implying a conversion of waste heat to more noble forms of energy and a concurrent increase in efficiency of the same devices and processes, is of paramount importance. In view of the enthalpy content and distribution of the different sources of waste heat, low‐grade/low‐enthalpy sources below 200 °C are considered the most fertile field for research and development, with an impressive industrial growth rate. Thermodynamic cycles and thermal conversion devices based on the most relevant physical effects are herein introduced and briefly described, including both solutions that already achieved industrial maturity and less developed systems and devices whose study is still in progress. A specific focus on three application domains, selected due to their economic relevance, is done: industrial processes for the vast energy and capital availability, automotive sector for its permeation, and wearable devices for the market size. Limits and opportunities are critically discussed.

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Section: Automotive Applicationsmentioning

confidence: 99%

Waste Heat to Power: Technologies, Current Applications, and Future Potential

et al. 2020

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“…The model achieved cycle efficiency of 4.8% [13]. A review of EHR systems from exhausts of passenger vehicles and trucks using ORC techniques was reported by Zhou et al [14]. The integration of an ORC system to an engine model for EHR was reported by Arise et al in 2016.…”

Section: Introductionmentioning

confidence: 97%

Performance Assessment of a Heat Recovery Unit Utilizing Turbine with Variable Inlet Guide Vanes Configuration for Application in Passenger Vehicles

Thaddaeus¹,

Ibrahim²,

Asukwo³

et al. 2021

JPEE

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This study explores the potentials of employing an Organic Rankine Cycle (ORC) system with variable inlet guide vanes (VIV) turbine geometry designed on a GT-Suite platform for effective exhaust heat recovery (EHR) application onboard passenger vehicles. The ORC model simulation was based on vehicle speed mode using R245fa as working fluid to assess the thermal performance of the ORC system when utilizing modified turbine geometry. Interestingly, the model achieved a very improved performance in contrast to the model without a modified turbine configuration. The results revealed the average 2.32 kW ORC net output, 4.93% thermal efficiency, 6.1% mechanical efficiency, and 5.0% improved brake specific fuel consumption (BSFC) for the developed model. As determined by the performance indicators, these promising results from the model study show the prospect of EHR technology application in the transportation sector for reduction in exhaust emissions and fuel savings.

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“…One example is thermal recovery, in which an amount of energy is recovered from exhaust gasses and engine coolant. Moreover, keeping the system as simple as possible, reducing weight and minimizing the cost is more important than maximizing power output [5,6]. Heat recovery systems can also be used, combining Rankine cycle systems with electrical generators to create a turbo-generator [6,7].…”

Section: Introductionmentioning

confidence: 99%

Design and Experimental Evaluation of an In-Wheel Flux-Switching Machine for Light Vehicle Application

Mendonça¹,

Galo

Sales³

et al. 2022

Machines

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Restrictive regulations regarding emissions and fossil fuel consumption lead to the electric vehicle being an alternative to replace conventional internal combustion engine vehicles. The pure electric powertrain technology and the charging infrastructure are still immature in some markets, where increasing the overall vehicle efficiency by energy harvesting means can be a more viable solution. This paper presents the design and experimental validation of an in-wheel flux-switching machine for regenerative braking in a light passenger vehicle. Later, the energy can be used for fuel handling and reforming, performance enhancement, increasing efficiency, and reducing emissions. Feasibility and technological challenges are also discussed. The Maxwell–Fourier method and a novel steady-state equivalent circuit presented in this paper are used for geometry sensitivity analysis and optimization routine.

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Application of Rankine Cycle to Passenger Vehicle Waste Heat Recovery - A Review

Cited by 9 publications

References 30 publications

Waste Heat to Power: Technologies, Current Applications, and Future Potential

Waste Heat to Power: Technologies, Current Applications, and Future Potential

Performance Assessment of a Heat Recovery Unit Utilizing Turbine with Variable Inlet Guide Vanes Configuration for Application in Passenger Vehicles

Design and Experimental Evaluation of an In-Wheel Flux-Switching Machine for Light Vehicle Application

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