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Spray Characterization Of An Aircraft Gas Turbine Engine Hybrid Fuel Nozzle
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Book Synopsis Spray Characterization of an Aircraft Gas Turbine Engine Hybrid Fuel Nozzle by : Cody Karl Bauer
Download or read book Spray Characterization of an Aircraft Gas Turbine Engine Hybrid Fuel Nozzle written by Cody Karl Bauer and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of experiments were conducted on an aircraft gas turbine engine hybrid fuel nozzle to evaluate spray performance and atomization quality. A commercial Malvern Spraytec analyzer and stereoscopic particle image velocimetry system was used to extract droplet size distributions and instantaneous flow fields, respectively. Aviation kerosene (Jet A-1) sprays associated with flow rates pertaining to engine ignition and take-off were investigated. Droplet sizes of the primary pressure-swirl nozzle were found to be 50% smaller compared to the secondary prefilming/airblast nozzle. The flow fields of both nozzles yield a turbulent-jet airblast stream with the primary pressure-swirl/airblast nozzle seeing a decrease in mean axial velocity with increase in axial distance; contrasting the secondary prefilming/airblast nozzle which shows an increase in mean axial velocity as distance from the nozzle head is increased. Overall, the industry hybrid fuel injector exhibits stable performance with optimal atomization quality and symmetry among all experimental conditions.
Book Synopsis Spray Characteristics of an Air Atomized Liquid Fuel Nozzle for Industrial Gas Turbine Application by : Richard J. Borkowicz
Download or read book Spray Characteristics of an Air Atomized Liquid Fuel Nozzle for Industrial Gas Turbine Application written by Richard J. Borkowicz and published by . This book was released on 1989 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization of Conical and Elliptical Fuel Spray Nozzles Using Non-intrusive Laser Diagnostic Methods by : Khalid Koraitem
Download or read book Characterization of Conical and Elliptical Fuel Spray Nozzles Using Non-intrusive Laser Diagnostic Methods written by Khalid Koraitem and published by . This book was released on 2011 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spray nozzles and atomizers have several applications in many forms of industry such as aerospace, automotive, combustion, pharmaceutical, and spray coating industries. These nozzles vary in design and performance depending on the application they are used in. Nevertheless, the primary objective for all atomizers is to disperse liquids in a controlled and uniformed manner while minimizing the amount of energy needed in the breakup process to achieve high quality atomization. Air-assist and air-blast atomizers are fuel injector nozzles commonly used in gas turbine engines in the aerospace, and power generation industries. The flow in these atomizers is considered to be two-phase flow since a portion of air taken from the compressor is also used to assist in the breakup of the fuel inside the combustion chamber. These nozzles play a critical role in determining the efficiency of gas turbine engines as their ability to disperse liquid fuel into fine droplets allows for better mixture and evaporation rates; therefore, improving engine performance, reducing emissions, and maximizing fuel efficiency. The objective of this study is to experimentally analyze two gas turbine fuel injector nozzles. The first nozzle is a standard hollow cone nozzle currently used in gas turbine engines, whereas the other is a hollow elliptical nozzle designed to offer greater control over fuel distribution as well as improve overall atomization. The nozzles are investigated under varying gas to liquid ratios (GLR) where key spray parameters such as droplet diameter, velocity, volume flux, as well as spray angle are measured to characterize the nozzles using methods such as Shadowgraph, Optical Patternation, Phase Doppler Particle Analyzer (PDPA), and Particle Image Velocimetry (PIV).
Book Synopsis Development of a High-resolution Mechanical Spray Patternator for the Characterization of Fuel Sprays by :
Download or read book Development of a High-resolution Mechanical Spray Patternator for the Characterization of Fuel Sprays written by and published by . This book was released on 2005 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: A high-resolution mechanical spray patternator has been developed for the characterization of gas turbine atomizers. Spatially resolved volumetric flux for non-reactive flows at atmospheric conditions can be accurately quantified by the patternator. The measurement technique has been shown to be effective and accurate. Diagnostic tests have been conducted to validate the overall patternator by exploring the patternation characteristics of a hollow cone, industrial spray nozzle. It has been shown that increasing the liquid injection pressure increases the equivalent spray angle and improves the patternation of the simplex nozzle. These observations are in good agreement with the literature. Throughout the process, the system has displayed good repeatability and reproducibility.
Download or read book Combustion Noise written by Anna Schwarz and published by Springer Science & Business Media. This book was released on 2009-06-17 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: November, 2008 Anna Schwarz, Johannes Janicka In the last thirty years noise emission has developed into a topic of increasing importance to society and economy. In ?elds such as air, road and rail traf?c, the control of noise emissions and development of associated noise-reduction techno- gies is a central requirement for social acceptance and economical competitiveness. The noise emission of combustion systems is a major part of the task of noise - duction. The following aspects motivate research: • Modern combustion chambers in technical combustion systems with low pol- tion exhausts are 5 - 8 dB louder compared to their predecessors. In the ope- tional state the noise pressure levels achieved can even be 10-15 dB louder. • High capacity torches in the chemical industry are usually placed at ground level because of the reasons of noise emissions instead of being placed at a height suitable for safety and security. • For airplanes the combustion emissions become a more and more important topic. The combustion instability and noise issues are one major obstacle for the introduction of green technologies as lean fuel combustion and premixed burners in aero-engines. The direct and indirect contribution of combustion noise to the overall core noise is still under discussion. However, it is clear that the core noise besides the fan tone will become an important noise source in future aero-engine designs. To further reduce the jet noise, geared ultra high bypass ratio fans are driven by only a few highly loaded turbine stages.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on with total page 1050 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spray characteristics of an airblast-simplex nozzle for liquid-fueled gas turbine combustors, ASME 98-GT-517 by : Mounir Ibrahim
Download or read book Spray characteristics of an airblast-simplex nozzle for liquid-fueled gas turbine combustors, ASME 98-GT-517 written by Mounir Ibrahim and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Stockholm, Sweden, Jun 2-5, 1998.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1988 with total page 1142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dual-spray Airblast Fuel Nozzle for Advanced Small Gas Turbine Combustors by : Clifford E. Smith
Download or read book Dual-spray Airblast Fuel Nozzle for Advanced Small Gas Turbine Combustors written by Clifford E. Smith and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Thesaurus written by and published by . This book was released on 1967 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spray Characterization of a Nozzle in Cocurrent Flow by : Vaibhav Prasanna Kadaba
Download or read book Spray Characterization of a Nozzle in Cocurrent Flow written by Vaibhav Prasanna Kadaba and published by . This book was released on 1994 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1994 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spray Characterization of a NASA MOD-1 Nozzle by : Diego F. F. Gutierrez
Download or read book Spray Characterization of a NASA MOD-1 Nozzle written by Diego F. F. Gutierrez and published by . This book was released on 1988 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aeronautical Engineering written by and published by . This book was released on 1971 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)
Book Synopsis Fuel Spray Characterization in a Single Cylinder Port Duel Injected Engine by : Richard Weston Horst
Download or read book Fuel Spray Characterization in a Single Cylinder Port Duel Injected Engine written by Richard Weston Horst and published by . This book was released on 1994 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1988 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A TECHNIQUE FOR THE INVESTIGATION OF SPRAY CHARACTERISTICS OF CONSTANT FLOW NOZZLES by : JACK H. RUPE
Download or read book A TECHNIQUE FOR THE INVESTIGATION OF SPRAY CHARACTERISTICS OF CONSTANT FLOW NOZZLES written by JACK H. RUPE and published by . This book was released on 1949 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
