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Development of a novel common-rail type Dimethyl ether (DME) injector

Author

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  • Xu, Shuaiqing
  • Wang, Yang
  • Zhang, Xiao
  • Zhen, Xudong
  • Tao, Chengjun

Abstract

A novel common-rail type DME injector has been proposed by State Key Laboratory of Engines. The injector employs impact principle to enlarge its electromagnetic force, and thus has no plunger matching parts. The sealing and wear problems brought by plunger can be avoided when the injector injects DME. In addition, oil return is absent from the injector which can be directly driven by 24V. In order to validate the feasibility of the proposed design and investigate the influence of structure parameters on injector performance, a simulation model is established based on Flowmaster coupled Maxwell. An optimized injector prototype is made in accordance with the simulation results. Our experiment shows that the working principle of the injector is effective, and that its performance can meet the requirements of DME fueled engines. Moreover, the novel injector has the advantages of back-pressure insensitive injection quantity and an opening response that is not affected by common-rail pressure.

Suggested Citation

  • Xu, Shuaiqing & Wang, Yang & Zhang, Xiao & Zhen, Xudong & Tao, Chengjun, 2012. "Development of a novel common-rail type Dimethyl ether (DME) injector," Applied Energy, Elsevier, vol. 94(C), pages 1-12.
    • Handle: RePEc:eee:appene:v:94:y:2012:i:c:p:1-12
    DOI: 10.1016/j.apenergy.2012.01.030
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    References listed on IDEAS

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    1. Liang, Chen & Ji, Changwei & Liu, Xiaolong, 2011. "Combustion and emissions performance of a DME-enriched spark-ignited methanol engine at idle condition," Applied Energy, Elsevier, vol. 88(11), pages 3704-3711.
    2. Namasivayam, A.M. & Korakianitis, T. & Crookes, R.J. & Bob-Manuel, K.D.H. & Olsen, J., 2010. "Biodiesel, emulsified biodiesel and dimethyl ether as pilot fuels for natural gas fuelled engines," Applied Energy, Elsevier, vol. 87(3), pages 769-778, March.
    3. Vakili, R. & Pourazadi, E. & Setoodeh, P. & Eslamloueyan, R. & Rahimpour, M.R., 2011. "Direct dimethyl ether (DME) synthesis through a thermally coupled heat exchanger reactor," Applied Energy, Elsevier, vol. 88(4), pages 1211-1223, April.
    4. Higo, Masashi & Dowaki, Kiyoshi, 2010. "A Life Cycle Analysis on a Bio-DME production system considering the species of biomass feedstock in Japan and Papua New Guinea," Applied Energy, Elsevier, vol. 87(1), pages 58-67, January.
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    Cited by:

    1. Mohan, Balaji & Yang, Wenming & Yu, Wenbin & Tay, Kun Lin, 2017. "Numerical analysis of spray characteristics of dimethyl ether and diethyl ether fuel," Applied Energy, Elsevier, vol. 185(P2), pages 1403-1410.
    2. Liang, Chen & Ji, Changwei & Gao, Binbin, 2013. "Load characteristics of a spark-ignited ethanol engine with DME enrichment," Applied Energy, Elsevier, vol. 112(C), pages 500-506.
    3. Hegab, Abdelrahman & La Rocca, Antonino & Shayler, Paul, 2017. "Towards keeping diesel fuel supply and demand in balance: Dual-fuelling of diesel engines with natural gas," Renewable and Sustainable Energy Reviews, Elsevier, vol. 70(C), pages 666-697.
    4. Kang, Yinhu & Wang, Quanhai & Lu, Xiaofeng & Wan, Hu & Ji, Xuanyu & Wang, Hu & Guo, Qiang & Yan, Jin & Zhou, Jinliang, 2015. "Experimental and numerical study on NOx and CO emission characteristics of dimethyl ether/air jet diffusion flame," Applied Energy, Elsevier, vol. 149(C), pages 204-224.
    5. Lan, Qi & Bai, Yun & Fan, Liyun & Gu, Yuanqi & Wen, Liming & Yang, Li, 2020. "Investigation on fuel injection quantity of low-speed diesel engine fuel system based on response surface prediction model," Energy, Elsevier, vol. 211(C).

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