Effect of Distillate Fraction of Real Jet Fuel on Sooting Propensity – Part 1: Nascent Soot Formation in Premixed Stretch-Stabilized Flames

Saggese, Chiara; Singh, Ajay V; Camacho, Joaquin; Wang, Hai; United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment; Stanford University

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Effect of Distillate Fraction of Real Jet Fuel on Sooting Propensity – Part 1: Nascent Soot Formation in Premixed Stretch-Stabilized Flames

2017-04-01
By Saggese, Chiara ; Singh, Ajay V ; Camacho, Joaquin ; ...

[PDF-501.70 KB]

English

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Creators:

Saggese, Chiara ; Singh, Ajay V ; Camacho, Joaquin ; Wang, Hai

Saggese, Chiara ; Singh, Ajay V ; Camacho, Joaquin ; Wang, Hai Less -
Corporate Creators:

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; Stanford University

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment ; Stanford University Less -
Corporate Contributors:

United States. Department of Transportation. Federal Aviation Administration. Office of Environment and Energy
Subject/TRT Terms:

[+]

ASCENT Aviation Fuels Diesel Engines Flames Flammability Fuel Consumption Fuel Injection Fuels Jet Engine Fuels Particulates Premixed Stretch-stabilized Flame Soot Sprays (Materials)
Publication/ Report Number:

CamachoConf2017
Resource Type:

Proceedings
Geographical Coverage:

United States
Edition:

Conference Proceedings paper
Corporate Publisher:

United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment
Abstract:

Real jet fuels are complex mixtures of many organic components, some of which are aromatic compounds. Towards the high-temperature end of the distillation curve, some of the aromatics may contain multiple rings. A trace amount of these high molecular weight species in the fuel would directly allow for soot nucleation in practical engines especially when the fuel is injected as a spray. This work aims to highlight the variation of the sooting propensity as a function of distillate fractions. Evolution of soot particle size distribution functions (PSDFs) is studied in a series of premixed stretch-stabilized ethylene-oxygen-nitrogen flames doped with Jet A or a certain distillate fraction. Mobility particle size distributions functions, soot volume fraction, and number density are determined by a Scanning Mobility Particle Sizer (SMPS). The results show that the tail end of the distillation curve can produce significantly more soot than the light molecular fraction and the not distilled jet fuel. The implication of the experimental finding on modeling soot formation from real jet fuel combustion will be discussed.
Format:

PDF
Funding:

13-C-AFJE-SU-006
Collection(s):

Federal Aviation Administration
Main Document Checksum:

[+]

urn:sha256:4b07f04ee86ba27a60ac8b241fa693030d1bb2c2b6410d2f6f4ad33dcdc580ce
Download URL:

https://rosap.ntl.bts.gov/view/dot/56893/dot_56893_DS1.pdf
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Effect of Distillate Fraction of Real Jet Fuel on Sooting Propensity – Part 1: Nascent Soot Formation in Premixed Stretch-Stabilized Flames

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