Acetone–butanol–ethanol (ABE), as the intermediate product during producing biobutanol by fermentation, is considered as a promising alternative fuel due to its advanced properties and lower recovery cost. The spray and combustion process of ABE20 (20% ABE and 80% diesel) and pure diesel was investigated in a constant volume chamber. The tested ambient environments were set at different temperatures (1100 K, 900 K, and 700 K) and oxygen contents (21%, 16%, and 11%) to cover conventional combustion and low temperature combustion (LTC) conditions of diesel engines. The results show that with the addition of 20% ABE, blends exhibit an improved spray characteristics, shorter and narrower spray due to the low viscosity and high volatility of ABE components, and the spray performance impacted much less by environmental condition than that of neat diesel. In addition to the shorter spray penetration, ABE20 also exhibits a much longer flame lift-off length (FLoL) than that of neat diesel, which forms a much bigger gap from spray tip to flame area for ABE20 that will effectively reduce equivalence ratio of combustion region. As a result, the natural flame luminosity which represents the soot emission level of ABE20 is significantly lower than that of pure diesel (D100) at all tested conditions.
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September 2015
Research-Article
Investigation on Spray and Flame Lift-Off Length of Acetone–Butanol–Ethanol–Diesel Blend in a Constant Volume Chamber
Han Wu,
Han Wu
School of Automobile,
Chang'an University
,Middle Section of Nanerhuan Road
,Xi'an 710064
, China
Department of Mechanical Science
and Engineering,
e-mail: whanzi@163.com
and Engineering,
University of Illinois at Urbana-Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: whanzi@163.com
Search for other works by this author on:
Chunhua Zhang,
Chunhua Zhang
School of Automobile,
e-mail: zchzzz@126.com
Chang'an University
,Middle Section of Nanerhuan Road
,Xi'an 710064
, China
e-mail: zchzzz@126.com
Search for other works by this author on:
Boqi Li,
Boqi Li
Department of Mechanical Science
and Engineering,
e-mail: boqili2@illinois.edu
and Engineering,
University of Illinois at Urbana-Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: boqili2@illinois.edu
Search for other works by this author on:
Timothy H. Lee,
Timothy H. Lee
Department of Mechanical Science
and Engineering,
e-mail: Lee527@illinois.edu
and Engineering,
University of Illinois at Urbana-Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: Lee527@illinois.edu
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Chia-fon F. Lee
Chia-fon F. Lee
1
Department of Mechanical Science
and Engineering,
e-mail: cflee@illinois.edu
and Engineering,
University of Illinois at Urbana-Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: cflee@illinois.edu
1Corresponding author.
Search for other works by this author on:
Han Wu
School of Automobile,
Chang'an University
,Middle Section of Nanerhuan Road
,Xi'an 710064
, China
Department of Mechanical Science
and Engineering,
e-mail: whanzi@163.com
and Engineering,
University of Illinois at Urbana-Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: whanzi@163.com
Chunhua Zhang
School of Automobile,
e-mail: zchzzz@126.com
Chang'an University
,Middle Section of Nanerhuan Road
,Xi'an 710064
, China
e-mail: zchzzz@126.com
Boqi Li
Department of Mechanical Science
and Engineering,
e-mail: boqili2@illinois.edu
and Engineering,
University of Illinois at Urbana-Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: boqili2@illinois.edu
Timothy H. Lee
Department of Mechanical Science
and Engineering,
e-mail: Lee527@illinois.edu
and Engineering,
University of Illinois at Urbana-Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: Lee527@illinois.edu
Chia-fon F. Lee
Department of Mechanical Science
and Engineering,
e-mail: cflee@illinois.edu
and Engineering,
University of Illinois at Urbana-Champaign
,1206 W. Green Street
,Urbana, IL 61801
e-mail: cflee@illinois.edu
1Corresponding author.
Contributed by the Combustion and Fuels Committee of ASME for publication in the JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received November 23, 2014; final manuscript received December 30, 2014; published online February 18, 2015. Editor: David Wisler.
J. Eng. Gas Turbines Power. Sep 2015, 137(9): 091501 (8 pages)
Published Online: September 1, 2015
Article history
Received:
November 23, 2014
Revision Received:
December 30, 2014
Online:
February 18, 2015
Citation
Wu, H., Zhang, C., Li, B., Lee, T. H., and Lee, C. F. (September 1, 2015). "Investigation on Spray and Flame Lift-Off Length of Acetone–Butanol–Ethanol–Diesel Blend in a Constant Volume Chamber." ASME. J. Eng. Gas Turbines Power. September 2015; 137(9): 091501. https://doi.org/10.1115/1.4029676
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