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Effects of the hydrogen and methane fractions in biosyngas on the stability of a small reciprocated internal combustion engine

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  • Enomoto, Hiroshi
  • Saito, Kazuki

Abstract

A bio-syngas, produced from wood biomass gasification, is used with a small reciprocated spark ignition engine for higher thermal efficiency. In this experiment, as the knocking doesn’t occur even though the ignition timing is 70 deg-BTDC (before top dead center), the MBT, most-advanced for best torque ignition timing, couldn’t be determined. This phenomena, without knocking combustion, are reported by several researchers. In this report, the way to determine the ignition timing for the maximum efficiency is shown. With the cylinder pressure measurement, when the maximum heat release rate position is set near TDC, top dead center, the thermal efficiency shows the maximum and the stability shows the best in any hydrogen fraction or any methane fraction of the mixed fuel.Po.

Suggested Citation

  • Enomoto, Hiroshi & Saito, Kazuki, 2020. "Effects of the hydrogen and methane fractions in biosyngas on the stability of a small reciprocated internal combustion engine," Energy, Elsevier, vol. 213(C).
    • Handle: RePEc:eee:energy:v:213:y:2020:i:c:s0360544220316261
    DOI: 10.1016/j.energy.2020.118518
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    Cited by:

    1. Hiroshi Enomoto & Ryo Nakagawa, 2023. "Reduction in CO Emission from Small Reciprocating Engine Operated with Wood Gasifier by Mixture LHV Changing," Energies, MDPI, vol. 16(6), pages 1-14, March.

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