Ignition delay measurements of light naphtha: A fully blended low octane fuel

Tamour Javed; Ehson Fawad Nasir; Ahfaz Ahmed; Jihad Badra; Khalil Djebbi; Mohamed Beshir; Weiqi Ji; Mani Sarathy; Aamir Farooq

doi:10.1016/j.proci.2016.05.043

Ignition delay measurements of light naphtha: A fully blended low octane fuel

Tamour Javed, Ehson Fawad Nasir, Ahfaz Ahmed, Jihad Badra, Khalil Djebbi, Mohamed Beshir, Weiqi Ji, Mani Sarathy, Aamir Farooq

Research output: Contribution to journal › Article › peer-review

51 Scopus citations

Abstract

The auto-ignition characteristics of a low-octane fuel were studied and a suitable kinetic surrogate was proposed. Ignition delay times were measured for Saudi Aramco's light naphtha fuel over a wide range of test conditions using a high pressure shock tube and a rapid compression machine (RCM). At low-temperature RCM conditions the multi- component surrogate matched the ignition delay times of light naphtha much more closely than the primary reference fuel (PRF) surrogate. Compared to the real fuel and the multi-component surrogate the higher reactivity of the PRF surrogate was attributable to its larger proportion of longer chain hydrocarbons. For a highly paraffinic fuel e.g. light naphtha the PRF surrogate adequately captured the ignition characteristics at high and intermediate temperatures while a multi-component surrogate is needed to capture the reactivity of the real fuel at low temperatures.

Original language	English (US)
Pages (from-to)	315-322
Number of pages	8
Journal	Proceedings of the Combustion Institute
Volume	36
Issue number	1
DOIs	https://doi.org/10.1016/j.proci.2016.05.043
State	Published - 2017

Keywords

Ignition delay times
Light naphtha
Low-octane fuel
Shock tube
Surrogate formulation

ASJC Scopus subject areas

General Chemical Engineering
Mechanical Engineering
Physical and Theoretical Chemistry

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10.1016/j.proci.2016.05.043

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title = "Ignition delay measurements of light naphtha: A fully blended low octane fuel",

abstract = "The auto-ignition characteristics of a low-octane fuel were studied and a suitable kinetic surrogate was proposed. Ignition delay times were measured for Saudi Aramco's light naphtha fuel over a wide range of test conditions using a high pressure shock tube and a rapid compression machine (RCM). At low-temperature RCM conditions the multi- component surrogate matched the ignition delay times of light naphtha much more closely than the primary reference fuel (PRF) surrogate. Compared to the real fuel and the multi-component surrogate the higher reactivity of the PRF surrogate was attributable to its larger proportion of longer chain hydrocarbons. For a highly paraffinic fuel e.g. light naphtha the PRF surrogate adequately captured the ignition characteristics at high and intermediate temperatures while a multi-component surrogate is needed to capture the reactivity of the real fuel at low temperatures.",

keywords = "Ignition delay times, Light naphtha, Low-octane fuel, Shock tube, Surrogate formulation",

author = "Tamour Javed and Nasir, {Ehson Fawad} and Ahfaz Ahmed and Jihad Badra and Khalil Djebbi and Mohamed Beshir and Weiqi Ji and Mani Sarathy and Aamir Farooq",

note = "KAUST Repository Item: Exported on 2020-04-23 Acknowledgements: The research reported in this work was supported by Saudi Aramco under the FUELCOM program and by King Abdullah University of Science and Technology (KAUST).",

year = "2017",

doi = "10.1016/j.proci.2016.05.043",

language = "English (US)",

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AU - Javed, Tamour

AU - Nasir, Ehson Fawad

AU - Ahmed, Ahfaz

AU - Badra, Jihad

AU - Djebbi, Khalil

AU - Beshir, Mohamed

AU - Ji, Weiqi

AU - Sarathy, Mani

AU - Farooq, Aamir

N1 - KAUST Repository Item: Exported on 2020-04-23 Acknowledgements: The research reported in this work was supported by Saudi Aramco under the FUELCOM program and by King Abdullah University of Science and Technology (KAUST).

PY - 2017

Y1 - 2017

N2 - The auto-ignition characteristics of a low-octane fuel were studied and a suitable kinetic surrogate was proposed. Ignition delay times were measured for Saudi Aramco's light naphtha fuel over a wide range of test conditions using a high pressure shock tube and a rapid compression machine (RCM). At low-temperature RCM conditions the multi- component surrogate matched the ignition delay times of light naphtha much more closely than the primary reference fuel (PRF) surrogate. Compared to the real fuel and the multi-component surrogate the higher reactivity of the PRF surrogate was attributable to its larger proportion of longer chain hydrocarbons. For a highly paraffinic fuel e.g. light naphtha the PRF surrogate adequately captured the ignition characteristics at high and intermediate temperatures while a multi-component surrogate is needed to capture the reactivity of the real fuel at low temperatures.

AB - The auto-ignition characteristics of a low-octane fuel were studied and a suitable kinetic surrogate was proposed. Ignition delay times were measured for Saudi Aramco's light naphtha fuel over a wide range of test conditions using a high pressure shock tube and a rapid compression machine (RCM). At low-temperature RCM conditions the multi- component surrogate matched the ignition delay times of light naphtha much more closely than the primary reference fuel (PRF) surrogate. Compared to the real fuel and the multi-component surrogate the higher reactivity of the PRF surrogate was attributable to its larger proportion of longer chain hydrocarbons. For a highly paraffinic fuel e.g. light naphtha the PRF surrogate adequately captured the ignition characteristics at high and intermediate temperatures while a multi-component surrogate is needed to capture the reactivity of the real fuel at low temperatures.

KW - Ignition delay times

KW - Light naphtha

KW - Low-octane fuel

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Ignition delay measurements of light naphtha: A fully blended low octane fuel

Abstract

Keywords

ASJC Scopus subject areas

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