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Simulation of Organic Rankine Cycle heat exchanger with DPF and DOC for heavy-duty vehicle.

Number: 1147

Author(s) : YE Z., YANG J., CHEN J.

Summary

Effective heavy-duty vehicle waste heat recovery using Organic Rankine cycle technology is a key solution toward meeting the increasing fuel economy while high cost along with a long payback period hinders its development. The re-architecture of gas heat exchange by coupling ORC and diesel engines is an effective technical route. This paper is targeted to propose a new heat exchange equipped with Diesel Particulate Filters and Diesel Oxidation Catalysts. The simulation model of the ORC and engine system including four-cylinder high-pressure common rail direct injection and exhaust post-treatment was established. Performance of ORC and species concentration of exhaust post-treatment were studied based on chemical dynamics. The results show that chemical reaction heat can effectively improve the thermal efficiency and output work of ORC. The efficiency increased from 11.26% to 15.8% and the output work increased from 5.63KW to 6.63KW due to the extra heat input.

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Pages: 8

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Details

  • Original title: Simulation of Organic Rankine Cycle heat exchanger with DPF and DOC for heavy-duty vehicle.
  • Record ID : 30027672
  • Languages: English
  • Source: IIR Rankine Conference 2020.
  • Publication date: 2020/07/31
  • DOI: http://dx.doi.org/10.18462/iir.rankine.2020.1147

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