4.7 Article

Butanol and gasoline-like blend combustion characteristics for injection conditions of gasoline compression ignition combustion mode

Journal

FUEL
Volume 258, Issue -, Pages -

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2019.116115

Keywords

n-Butanol/PRF80 blend; Spray and combustion characterization; Flame lift-off length; Ignition delay

Funding

  1. Ministry of Education and Training of Vietnam
  2. French National Research Agency [ANR-14-CE22-0015-01]
  3. FEDER
  4. Agence Nationale de la Recherche (ANR) [ANR-14-CE22-0015] Funding Source: Agence Nationale de la Recherche (ANR)

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As bio-butanol would be one promising alternative fuel to mitigate the energy crisis and reduce the environmental impact of the automotive sector, its potential as blend in gasoline has been widely evaluated especially for conventional Spark Ignition engines. But recent studies prove that Gasoline Compression Ignition operating mode could be a future interesting advanced combustion mode to reach higher efficiency and lower pollutant emissions than conventional SI engines. The objective of this paper is to underline the effect of butanol blend in gasoline in injections conditions needed in GCI by set experimental study in a High Pressure/High Temperature chamber. Therefore, first data about sprays and combustion characteristics as a function of the butanol content in a gasoline surrogate (PRF80) at injection conditions of GCI, i.e. high pressure (6 MPa) and high-temperature (900 K) conditions but with injection pressure of 40 MPa are given and he results discussed thanks to kinetics simulation of ignition delays.

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