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Combustion characteristics of various fuels during research octane number testing on an instrumented CFR F1/F2 engine
1
Argonne National Laboratory,
USA.
Publication date: 2017-11-01
Combustion Engines 2017,171(4), 164-169
KEYWORDS
ABSTRACT
The Cooperative Fuels Research (CFR) engine is the long-established standard for characterization of fuel knock resistance in spark-ignition internal combustion engines. Despite its measurements of RON and MON being widely used, there is little understanding of what governs the CFR octane rating for fuels of various chemical compositions compared to primary reference fuels (iso-octane and n-heptane). Detailed combustion characteristics were measured on a highly instrumented CFR F1/F2 engine during RON testing of fuels with significantly different chemical composition. The results revealed differences in the cylinder pressure and temperature conditions, as well as knocking characteristics.
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CITATIONS (16):
1.
Impact of Fuel Octane Quality on Various Advanced Vehicle Technologies
Caroline Zinser, Alastair Smith, Patrick Haenel
SAE Technical Paper Series
Caroline Zinser, Alastair Smith, Patrick Haenel
SAE Technical Paper Series
2.
Determination of a most representative cycle from cylinder pressure ensembles via statistical method using distribution skewness
González Pulpeiro, Carrie Hall, Christopher Kolodziej
International Journal of Engine Research
González Pulpeiro, Carrie Hall, Christopher Kolodziej
International Journal of Engine Research
3.
Comparative analysis of heat release in a reciprocating engine powered by a regular fuel with pyrolysis oil addition
Mariusz Chwist
Combustion Engines
Mariusz Chwist
Combustion Engines
4.
Comparing Knock between the CFR Engine and a Single Cylinder Research Engine
Andre Swarts, Garrett Anderson, Julian Wallace
SAE Technical Paper Series
Andre Swarts, Garrett Anderson, Julian Wallace
SAE Technical Paper Series
5.
Effects of Lambda on Knocking Characteristics and RON Rating
Alexander Hoth, Gonzalez Pulpeiro, Christopher Kolodziej, Toby Rockstroh
SAE Technical Paper Series
Alexander Hoth, Gonzalez Pulpeiro, Christopher Kolodziej, Toby Rockstroh
SAE Technical Paper Series
6.
The Impact of Octane Number Boosters on Knock Characteristics in a
Cooperative Fuel Research (CFR) Engine
Karri Keskinen, Atmadeep Bhattacharya, Ossi Kaario, Otto Blomstedt, Olli Ranta, Rupali Tripathi, Teemu Sarjovaara
SAE Technical Paper Series
Karri Keskinen, Atmadeep Bhattacharya, Ossi Kaario, Otto Blomstedt, Olli Ranta, Rupali Tripathi, Teemu Sarjovaara
SAE Technical Paper Series
7.
Statistical Analysis of Fuel Effects on Cylinder Conditions Leading to End-Gas Autoignition in SI Engines
Gonzalez Pulpeiro, Ashish Shah, Alexander Hoth, Toby Rockstroh, Christopher Kolodziej
SAE Technical Paper Series
Gonzalez Pulpeiro, Ashish Shah, Alexander Hoth, Toby Rockstroh, Christopher Kolodziej
SAE Technical Paper Series
8.
Insights into Engine Knock: Comparison of Knock Metrics across Ranges of Intake Temperature and Pressure in the CFR Engine
Toby Rockstroh, Christopher Kolodziej, Mads Jespersen, S. Goldsborough, Thomas Wallner
SAE International Journal of Fuels and Lubricants
Toby Rockstroh, Christopher Kolodziej, Mads Jespersen, S. Goldsborough, Thomas Wallner
SAE International Journal of Fuels and Lubricants
9.
Development and Validation of a Three Pressure Analysis (TPA) GT-Power Model of the CFR F1/F2 Engine for Estimating Cylinder Conditions
Seungmok Choi, Christopher Kolodziej, Alexander Hoth, Thomas Wallner
SAE Technical Paper Series
Seungmok Choi, Christopher Kolodziej, Alexander Hoth, Thomas Wallner
SAE Technical Paper Series
10.
New GKI - Gasoline Knock Index for Rating of Fuel’s Knock Resistance on an Upgraded CFR Test Engine
Johann Hauber, Karl Huber, Robert Nell
SAE Technical Paper Series
Johann Hauber, Karl Huber, Robert Nell
SAE Technical Paper Series
11.
Design and Validation of a GT Power Model of the CFR Engine towards the Development of a Boosted Octane Number
Saif Salih, Dan DelVescovo
SAE Technical Paper Series
Saif Salih, Dan DelVescovo
SAE Technical Paper Series
12.
Development of a Virtual CFR Engine Model for Knocking Combustion Analysis
Pinaki Pal, Christopher Kolodziej, Seungmok Choi, Sibendu Som, Alberto Broatch, Josep Gomez-Soriano, Yunchao Wu, Tianfeng Lu, Yee See
SAE International Journal of Engines
Pinaki Pal, Christopher Kolodziej, Seungmok Choi, Sibendu Som, Alberto Broatch, Josep Gomez-Soriano, Yunchao Wu, Tianfeng Lu, Yee See
SAE International Journal of Engines
13.
Effects of Heat of Vaporization and Octane Sensitivity on Knock-Limited Spark Ignition Engine Performance
Matthew Ratcliff, Jonathan Burton, Petr Sindler, Earl Christensen, Lisa Fouts, Robert McCormick
SAE Technical Paper Series
Matthew Ratcliff, Jonathan Burton, Petr Sindler, Earl Christensen, Lisa Fouts, Robert McCormick
SAE Technical Paper Series
14.
Investigating auto-ignition behavior of n-heptane/iso-octane/ethanol mixtures for gasoline surrogates through rapid compression machine measurement and chemical kinetics analysis
Qinhao Fan, Zhi Wang, Yunliang Qi, Yingdi Wang
Fuel
Qinhao Fan, Zhi Wang, Yunliang Qi, Yingdi Wang
Fuel
15.
Effects of fuel composition at varying air-fuel ratio on knock resistance during spark-ignition combustion
Ahmad Almaleki, Paul Hellier, Nicos Ladommatos, Midhat Talibi, Zuhaib Khan
Fuel
Ahmad Almaleki, Paul Hellier, Nicos Ladommatos, Midhat Talibi, Zuhaib Khan
Fuel
16.
Performance of octane index in LTGC engines from beyond MON to beyond RON
Dario Lopez-Pintor, John Dec, Seokwon Cho
Fuel
Dario Lopez-Pintor, John Dec, Seokwon Cho
Fuel
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