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Emission reduction potential in a light-duty diesel engine fueled by JP-8

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  • Lee, Jeongwoo
  • Lee, Jungyeon
  • Chu, Sanghyun
  • Choi, Hoimyung
  • Min, Kyoungdoug

Abstract

In this research, the effects of EGR (exhaust gas recirculation) and multiple injection strategy with two pilots on the emissions and combustion characteristics of JP-8 fueled light-duty diesel engine were systemically investigated. Also, the potential of reducing NOx (nitrogen oxides) and PM (particulate matter) emissions with JP-8 in a light-duty diesel engine was evaluated. To understand the combustion phenomenon of JP-8, two different injection modes (single injection and multiple injection with two pilots) were applied. Under the single injection mode, the difference in the ignition delay between using JP-8 and diesel fuel became clear. Differently, under multiple injections with two pilots, the ignition delays of both cases were nearly the same due to the higher in the cylinder temperature cause by the combustion of the pilot injections. Finally, under multiple injection mode, more EGR (exhaust gas recirculation) could be applied to JP-8 combustion than in conventional diesel combustion while maintaining the same mass fraction burned 50% (MFB 50) to attain the same fuel conversion efficiency. As a result, NOx and PM emissions could be reduced by half when using JP-8 without decreasing the fuel conversion efficiency.

Suggested Citation

  • Lee, Jeongwoo & Lee, Jungyeon & Chu, Sanghyun & Choi, Hoimyung & Min, Kyoungdoug, 2015. "Emission reduction potential in a light-duty diesel engine fueled by JP-8," Energy, Elsevier, vol. 89(C), pages 92-99.
    • Handle: RePEc:eee:energy:v:89:y:2015:i:c:p:92-99
    DOI: 10.1016/j.energy.2015.07.060
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    References listed on IDEAS

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    1. Tse, H. & Leung, C.W. & Cheung, C.S., 2015. "Investigation on the combustion characteristics and particulate emissions from a diesel engine fueled with diesel-biodiesel-ethanol blends," Energy, Elsevier, vol. 83(C), pages 343-350.
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    Cited by:

    1. Tay, Kun Lin & Yang, Wenming & Li, Jing & Zhou, Dezhi & Yu, Wenbin & Zhao, Feiyang & Chou, Siaw Kiang & Mohan, Balaji, 2017. "Numerical investigation on the combustion and emissions of a kerosene-diesel fueled compression ignition engine assisted by ammonia fumigation," Applied Energy, Elsevier, vol. 204(C), pages 1476-1488.
    2. Hyungmin Lee, 2021. "Spray, Combustion, and Air Pollutant Characteristics of JP-5 for Naval Aircraft from Experimental Single-Cylinder CRDI Diesel Engine," Energies, MDPI, vol. 14(9), pages 1-12, April.
    3. Ardebili, Seyed Mohammad Safieddin & Kocakulak, Tolga & Aytav, Emre & Calam, Alper, 2022. "Investigation of the effect of JP-8 fuel and biodiesel fuel mixture on engine performance and emissions by experimental and statistical methods," Energy, Elsevier, vol. 254(PA).
    4. Hasan AYDOGAN & Emin Cagatay ALTINOK, 2019. "Effects of Using JP8-Diesel Fuel Mixtures in a Pump Injector Engine on Engine Emissions," Proceedings of International Academic Conferences 9412216, International Institute of Social and Economic Sciences.
    5. Yu, Wenbin & Zhao, Feiyang & Yang, Wenming, 2020. "Qualitative analysis of particulate matter emission from diesel engine fueled with Jet A-1 under multivariate combustion boundaries by principal component analysis," Applied Energy, Elsevier, vol. 269(C).
    6. Yu, Wenbin & Tay, Kunlin & Zhao, Feiyang & Yang, Wenming & Li, Han & Xu, Hongpeng, 2018. "Development of a new jet fuel surrogate and its associated reaction mechanism coupled with a multistep soot model for diesel engine combustion," Applied Energy, Elsevier, vol. 228(C), pages 42-56.
    7. Zhou, Dezhi & Tay, Kun Lin & Tu, Yaojie & Li, Jing & Yang, Wenming & Zhao, Dan, 2018. "A numerical investigation on the injection timing of boot injection rate-shapes in a kerosene-diesel engine with a clustered dynamic adaptive chemistry method," Applied Energy, Elsevier, vol. 220(C), pages 117-126.
    8. Hyun Min Baek & Hyung Min Lee, 2022. "Spray Behavior, Combustion, and Emission Characteristics of Jet Propellant-5 and Biodiesel Fuels with Multiple Split Injection Strategies," Energies, MDPI, vol. 15(7), pages 1-19, March.

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