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Coaxial Airblast Atomizers
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781723540226 Total Pages :202 pages Book Rating :4.5/5 (42 download)
Book Synopsis Coaxial Airblast Atomizers by : National Aeronautics and Space Administration (NASA)
Download or read book Coaxial Airblast Atomizers written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-23 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation was performed to quantify the characteristics of the sprays of coaxial injectors with particular emphasis on those aspects relevant to the performance of rocket engines. Measurements for coaxial air blast atomizers were obtained using air to represent the gaseous stream and water to represent the liquid stream. A wide range of flow conditions were examined for sprays with and without swirl for gaseous streams. The parameters varied include Weber number, gas flow rate, liquid flow rate, swirl, and nozzle geometry. Measurements were made with a phase Doppler velocimeter. Major conclusions of the study focused upon droplet size as a function of Weber number, effect of gas flow rate on atomization and spray spread, effect of nozzle geometry on atomization and spread, effect of swirl on atomization, spread, jet recirculation and breakup, and secondary atomization. Hardalupas, Y. and Whitelaw, J. H. Unspecified Center NASA-CR-193845, NAS 1.26:193845, SRA-R93-9083-F NAS8-38872...
Book Synopsis Investigation of a Coaxial Airblast Atomizer Using Particle Image Velocimetry by : Daniel P. Hoeg
Download or read book Investigation of a Coaxial Airblast Atomizer Using Particle Image Velocimetry written by Daniel P. Hoeg and published by . This book was released on 2007 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atomization and Sprays by : Arthur Lefebvre
Download or read book Atomization and Sprays written by Arthur Lefebvre and published by CRC Press. This book was released on 1988-12-01 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomization and Sprays examines the atomization of liquids and characteristics of sprays. It explains the physical processes of atomization as well as guidelines for designing atomizers. In addition, it demonstrates how the importance of the size and velocity of a particle contributes to improved spray characterization. Coverage includes general considerations, drop size distribution of sprays, flow in atomizers, atomizer performance, external spray characteristics, drop evaporation, and drop sizing methods.
Book Synopsis Parametric Experiments on Coaxial Airblast Jet Atomization by : Zoltan Farago
Download or read book Parametric Experiments on Coaxial Airblast Jet Atomization written by Zoltan Farago and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments using high speed, high magnification, and high contrast photography on airblast coaxial atomizers were carried out to study the wave characteristics of liquid surfaces, ligament breakup, and droplet formation. Liquid flow rate was changed from 4 to 50 kg/h, corresponding to a velocity range of 1.5 to 18 m/s, and a Reynolds number range of 1400 to 18000. Air flow rate was varied from 8 to 70 kg/h, corresponding to a velocity range of 22 to 180 m/s, and a Reynolds number range of 13000 to 105000. Tube wall thicknesses of 145 and 320 microns were used. Under different flow conditions, different jet instabilities (capillary, helical and Kelvin-Helmholtz) and different dominant mechanisms of ligament formation were observed. One of the most surprising experimental results is that, under certain flow conditions, the coaxial round liquid jet, surrounded by an axisymmetric annular air stream, forms a flat curling liquid sheet. This liquid sheet breaks into droplet clouds with a frequency of a few thousand Hertz and emits strong oscillations and fluctuating, highly non-axisymmetric vibrations.
Download or read book Liquid Atomization written by L.P. Bayvel and published by Routledge. This book was released on 2019-01-22 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering the basics of liquid atomization, this book familiarizes readers with the physical processes of liquid atomization, the main types of atomizers and their design, measurements of spray characteristics, experimental investigations of atomizers, and application of atomizers. It demonstrates how to calculate and design atomizers and how to mea
Book Synopsis A Two-step Airblast Atomizer for Post-flame Combustion Studies by : H. L. Clack
Download or read book A Two-step Airblast Atomizer for Post-flame Combustion Studies written by H. L. Clack and published by . This book was released on 1997 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spray Generated by an Airblast Atomizer by : Feras Z. Batarseh
Download or read book Spray Generated by an Airblast Atomizer written by Feras Z. Batarseh and published by . This book was released on 2008 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Airblast Atomizer Design Upon Spray Quality by : A. K. Jasuja
Download or read book Effects of Airblast Atomizer Design Upon Spray Quality written by A. K. Jasuja and published by . This book was released on 1984 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper reviews the results of numerous investigations that have been conducted on airblast atomization as applied to gas turbine engines. The primary motivation for this is the need to identify the effect that various design features have upon the spray quality so that atomizers of optimum performance can be designed with a minimum of cost and complexity. Attention is focused upon such factors as the atomizer scale, configuration, the nature of fuel preparation before exposure to air, etc, for the most commonly used pre-filming and plain-jet airblast atomizers. The experimental mean drop size data included in this paper has been obtained through the use of well-established laser light-scattering techniques over a wide range of conditions. The general conclusion drawn from the data that is currently available is that the plain-jet airblast atomizers featuring multiple, transversely injected liquid jets into a swirling airstream yield spray quality comparable to that achieved by their pre-filming counterparts especially under high air pressure conditions. (Author).
Book Synopsis Atomization and Sprays by : Arthur H. Lefebvre
Download or read book Atomization and Sprays written by Arthur H. Lefebvre and published by CRC Press. This book was released on 2017-03-27 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of this long-time bestseller provides a framework for designing and understanding sprays for a wide array of engineering applications. The text contains correlations and design tools that can be easily understood and used in relating the design of atomizers to the resulting spray behavior. Written to be accessible to readers with a modest technical background, the emphasis is on application rather than in-depth theory. Numerous examples are provided to serve as starting points for using the information in the book. Overall, this is a thoroughly updated edition that still retains the practical focus and readability of the original work by Arthur Lefebvre.
Book Synopsis Influence of Airblast Atomizer Design Features on Mean Drop Size by : N.K. Rizk
Download or read book Influence of Airblast Atomizer Design Features on Mean Drop Size written by N.K. Rizk and published by . This book was released on 1982 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies on the Performance of Airblast Atomizer Under Varying Geometric and Flow Conditions by : S. N. Sridhara
Download or read book Studies on the Performance of Airblast Atomizer Under Varying Geometric and Flow Conditions written by S. N. Sridhara and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theory and Practice of Swirl Atomizers by : Yuriy I Khavkin
Download or read book Theory and Practice of Swirl Atomizers written by Yuriy I Khavkin and published by CRC Press. This book was released on 2003-10-28 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, prominent Russian scientist Yuriy I. Khavkin shows that the droplet sizes in swirl atomizers depend only on the specific energy of the liquid drops and on viscosity. The new theory based only on two parameters is shown to be far simpler and in better agreement with experimental data than any previous presentations. The following topics are included in the book: · The solution of the Navier-Stokes equation for a liquid rotating flow · Atomizers for gas turbine combustion chambers · Atomizers for high capacity steam boilers · Atomizers for liquid-propellant rocket engines · Quality of liquid atomization by non-swirl atomizers · A unique table of experimental data of 232 atomizers, enables the reader to find an atomizer with the flow rate from 5 kg/h to 15,000 kg/h Readers will also learn: · To create an atomizer with the given mean droplet size · To create an atomizer with the given droplet size distribution · To create an atomizer with the given limits of flow rate control. The book is intended for the design engineer, as well as the theoretical scientist.
Book Synopsis An Advanced Sub-model for Airblast Atomizer by : Y. Liao
Download or read book An Advanced Sub-model for Airblast Atomizer written by Y. Liao and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spray Characteristics of Plain-jet Airblast Atomizers by : N. K. Rizk
Download or read book Spray Characteristics of Plain-jet Airblast Atomizers written by N. K. Rizk and published by . This book was released on 1983 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of the Liquid Behaviour in a Pre-filming Air-blast Atomizer by : Christopher J. Kappelmeier
Download or read book Study of the Liquid Behaviour in a Pre-filming Air-blast Atomizer written by Christopher J. Kappelmeier and published by . This book was released on 1987 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimentelle Untersuchung Der Sprüheigenschaften Von Prefilming-Airblast-Zerstäubern by : Mehrzad Roudini
Download or read book Experimentelle Untersuchung Der Sprüheigenschaften Von Prefilming-Airblast-Zerstäubern written by Mehrzad Roudini and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Evaluation of Variable Fuel-placement Airblast Atomizers by : Martin Laurence Burby
Download or read book Design and Evaluation of Variable Fuel-placement Airblast Atomizers written by Martin Laurence Burby and published by . This book was released on 2006 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
