Publication detail

Spray Structure of a Pressure-Swirl Atomizer for Combustion Applications

ĎURDINA, L. JEDELSKÝ, J. JÍCHA, M.

Original Title

Spray Structure of a Pressure-Swirl Atomizer for Combustion Applications

English Title

Spray Structure of a Pressure-Swirl Atomizer for Combustion Applications

Type

conference paper

Language

en

Original Abstract

In the present work, global as well as spatially resolved parameters of a spray produced by a pressure-swirl atomizer are obtained. Small pressure-swirl atomizer for aircraft combustion chambers was run on a newly designed test bench with Jet A-1 kerosene type aviation fuel. The atomizer was tested in four regimes based on typical operation conditions of the engine. Spray characteristics were studied using two optical measurement systems, Particle Image velocimetry (PIV) and Phase-Doppler Particle Analyzer (P/DPA). The results obtained with P/DPA include information about Sauter Mean Diameter of droplets and spray velocity profiles in one plane perpendicular to the spray axis. Velocity magnitudes of droplets in an axial section of the spray were obtained using PIV. The experimental outputs also show a good confirmation of velocity profiles obtained with both instruments in the test plane. These data together will elucidate impact of the spray quality on the whole combustion process, its efficiency and exhaust gas emissions.

English abstract

In the present work, global as well as spatially resolved parameters of a spray produced by a pressure-swirl atomizer are obtained. Small pressure-swirl atomizer for aircraft combustion chambers was run on a newly designed test bench with Jet A-1 kerosene type aviation fuel. The atomizer was tested in four regimes based on typical operation conditions of the engine. Spray characteristics were studied using two optical measurement systems, Particle Image velocimetry (PIV) and Phase-Doppler Particle Analyzer (P/DPA). The results obtained with P/DPA include information about Sauter Mean Diameter of droplets and spray velocity profiles in one plane perpendicular to the spray axis. Velocity magnitudes of droplets in an axial section of the spray were obtained using PIV. The experimental outputs also show a good confirmation of velocity profiles obtained with both instruments in the test plane. These data together will elucidate impact of the spray quality on the whole combustion process, its efficiency and exhaust gas emissions.

Keywords

pressure-swirl atomizer, Particle Image Velocimetry, spray characteristics, Sauter mean diameter

RIV year

2011

Released

21.11.2011

Publisher

Technical University of Liberec

Location

Jičín, Česká Republika

ISBN

978-80-7372-784-0

Book

EPJ Web of Conferences

Edition

1

Edition number

1

Pages from

99

Pages to

108

Pages count

10

URL

BibTex


@inproceedings{BUT75203,
  author="Lukáš {Ďurdina} and Jan {Jedelský} and Miroslav {Jícha}",
  title="Spray Structure of a Pressure-Swirl Atomizer for Combustion Applications",
  annote="In the present work, global as well as spatially resolved parameters of a spray produced by a pressure-swirl atomizer are obtained. Small pressure-swirl atomizer for aircraft combustion chambers was run on a newly designed test bench with Jet A-1 kerosene type aviation fuel. The atomizer was tested in four regimes based on typical operation conditions of the engine. Spray characteristics were studied using two optical measurement systems, Particle Image velocimetry (PIV) and Phase-Doppler Particle Analyzer (P/DPA). The results obtained with P/DPA include information about Sauter Mean Diameter of droplets and spray velocity profiles in one plane perpendicular to the spray axis. Velocity magnitudes of droplets in an axial section of the spray were obtained using PIV. The experimental outputs also show a good confirmation of velocity profiles obtained with both instruments in the test plane. These data together will elucidate impact of the spray quality on the whole combustion process, its efficiency and exhaust gas emissions.",
  address="Technical University of Liberec",
  booktitle="EPJ Web of Conferences",
  chapter="75203",
  doi="10.1051/epjconf/20122501010",
  edition="1",
  howpublished="online",
  institution="Technical University of Liberec",
  number="2012",
  year="2011",
  month="november",
  pages="99--108",
  publisher="Technical University of Liberec",
  type="conference paper"
}