An Experimental Investigation of the Effect of Fuel Droplet Size on the Vaporization Process in a Turbulent Environment at Elevated Temperature and Pressure

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Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)

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Book Synopsis An Experimental Investigation of the Effect of Fuel Droplet Size on the Vaporization Process in a Turbulent Environment at Elevated Temperature and Pressure by : Cameron Mark Verwey

Download or read book An Experimental Investigation of the Effect of Fuel Droplet Size on the Vaporization Process in a Turbulent Environment at Elevated Temperature and Pressure written by Cameron Mark Verwey and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The performance of liquid-fuelled spray combustion systems has a massive impact on the efficiency of energy production in many sectors across the globe. Realistic combustors generate sub 100-μm droplets and operate under high pressure and temperature in strong turbulence. Investigations into droplet evaporation and combustion provide fundamental knowledge and validation data regarding the behaviour of sprays, and although single droplet approaches have been a staple of energy research for many decades, there is little information regarding the effect of turbulence and initial diameter, especially micro-sized, on droplet evaporation rates. The present experimental study develops, interprets, and correlates the results of almost 500 tests performed on isolated heptane and decane droplets. Droplets in the range of 110 - 770 μm (initial diameter) were generated and suspended on small intersecting micro-fibers in a spherical fan-driven chamber and exposed to quasi-zero mean turbulence of intensity up to 1.5 m/s, temperatures ranging from 25 - 100°C, and pressures between 1 and 10 bar. The results indicate that droplet size has a major influence on evaporation rate, as measured by the temporal reduction in droplet surface area, when the environment is turbulent. Evaporation rates increased with both initial diameter and turbulence intensity at all test conditions. The effectiveness of turbulence, defined as the ability of turbulence to improve the evaporation rate over the rate of a stagnant droplet at identical ambient conditions, increased with pressure but decreased with temperature. Both the ratio of Kolmogorov length scale to droplet diameter and the theoretical molar concentration gradient of fuel at the droplet surface are found to be excellent predictors of turbulence effectiveness. Correlation approaches utilizing a turbulent Reynolds number or a vaporization Damköhler number are suggested to predict the evaporation rate of a single droplet exposed to a purely turbulent flow field.

Experimental Investigation of Droplet Vaporization Under Conditions of High Temperatures and Pressures

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Total Pages : 28 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Experimental Investigation of Droplet Vaporization Under Conditions of High Temperatures and Pressures by : G. B. Petrazhitskiĭ

Download or read book Experimental Investigation of Droplet Vaporization Under Conditions of High Temperatures and Pressures written by G. B. Petrazhitskiĭ and published by . This book was released on 1964 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Investigation of Droplet Vaporization Under Conditions of High Temperatures and Pressures

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Total Pages : 16 pages
Book Rating : 4.:/5 (76 download)

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Book Synopsis Experimental Investigation of Droplet Vaporization Under Conditions of High Temperatures and Pressures by : G. B. Petrazhitskiĭ

Download or read book Experimental Investigation of Droplet Vaporization Under Conditions of High Temperatures and Pressures written by G. B. Petrazhitskiĭ and published by . This book was released on 1964 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Numerical Study of Spherical Droplet Vaporization in a High Pressure Environment

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ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis A Numerical Study of Spherical Droplet Vaporization in a High Pressure Environment by : Eric Warren Curtis

Download or read book A Numerical Study of Spherical Droplet Vaporization in a High Pressure Environment written by Eric Warren Curtis and published by . This book was released on 1991 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Investigation of Droplet Vaporization Under Conditions of High Temperatures and Pressures [with List of References]

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ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (18 download)

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Book Synopsis Experimental Investigation of Droplet Vaporization Under Conditions of High Temperatures and Pressures [with List of References] by :

Download or read book Experimental Investigation of Droplet Vaporization Under Conditions of High Temperatures and Pressures [with List of References] written by and published by . This book was released on 1964 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dust Explosion Dynamics

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Publisher : Butterworth-Heinemann
ISBN 13 : 0128038292
Total Pages : 687 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Dust Explosion Dynamics by : Russell A. Ogle

Download or read book Dust Explosion Dynamics written by Russell A. Ogle and published by Butterworth-Heinemann. This book was released on 2016-09-10 with total page 687 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dust Explosion Dynamics focuses on the combustion science that governs the behavior of the three primary hazards of combustible dust: dust explosions, flash fires, and smoldering. It explores the use of fundamental principles to evaluate the magnitude of combustible dust hazards in a variety of settings. Models are developed to describe dust combustion phenomena using the principles of thermodynamics, transport phenomena, and chemical kinetics. Simple, tractable models are described first and compared with experimental data, followed by more sophisticated models to help with future challenges. Dr. Ogle introduces the reader to just enough combustion science so that they may read, interpret, and use the scientific literature published on combustible dusts. This introductory text is intended to be a practical guide to the application of combustible dust models, suitable for both students and experienced engineers. It will help you to describe the dynamics of explosions and fires involving dust and evaluate their consequences which in turn will help you prevent damage to property, injury and loss of life from combustible dust accidents. - Demonstrates how the fundamental principles of combustion science can be applied to understand the ignition, propagation, and extinction of dust explosions - Explores fundamental concepts through model-building and comparisons with empirical data - Provides detailed examples to give a thorough insight into the hazards of combustible dust as well as an introduction to relevant scientific literature

Experimental Study of Droplet Vaporization and Combustion of Diesel, Biodiesel and Their Blends in a Turbulent Environment at Elevated Pressure and Temperature Conditions

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Total Pages : 0 pages
Book Rating : 4.:/5 (915 download)

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Book Synopsis Experimental Study of Droplet Vaporization and Combustion of Diesel, Biodiesel and Their Blends in a Turbulent Environment at Elevated Pressure and Temperature Conditions by : Stephen L. Toth

Download or read book Experimental Study of Droplet Vaporization and Combustion of Diesel, Biodiesel and Their Blends in a Turbulent Environment at Elevated Pressure and Temperature Conditions written by Stephen L. Toth and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diesel -- biodiesel -- turbulent -- temperature -- pressure -- vaporization -- combustion -- blends.

Energy Research Abstracts

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ISBN 13 :
Total Pages : 1064 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1978 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Combustion of Liquid Fuel Sprays

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Publisher : Butterworth-Heinemann
ISBN 13 : 1483101584
Total Pages : 300 pages
Book Rating : 4.4/5 (831 download)

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Book Synopsis Combustion of Liquid Fuel Sprays by : Alan Williams

Download or read book Combustion of Liquid Fuel Sprays written by Alan Williams and published by Butterworth-Heinemann. This book was released on 2013-10-22 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combustion of Liquid Fuel Sprays outlines the fundamentals of the combustion of sprays in a unified way which may be applied to any technological application. The book begins with a discussion of the general nature of spray combustion, the sources of liquid fuels used in spray combustion, biomass sources of liquid fuels, and the nature and properties of fuel oils. Subsequent chapters focus on the properties of sprays, the atomization of liquid fuels, and the theoretical modeling of the behavior of a spray flame in a combustion chamber. The nature and control of pollutants from spray combustion, the formation of deposits in oil-fired systems, and the combustion of sprays in furnaces and engines are elucidated as well. The text is intended for students undertaking courses or research in fuel, combustion, and energy studies.

Droplet Vaporization in a High Pressure Gas

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ISBN 13 :
Total Pages : 472 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Droplet Vaporization in a High Pressure Gas by : Jon Phillip Hartfield

Download or read book Droplet Vaporization in a High Pressure Gas written by Jon Phillip Hartfield and published by . This book was released on 1991 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Aerospace Abstracts

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ISBN 13 :
Total Pages : 980 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis International Aerospace Abstracts by :

Download or read book International Aerospace Abstracts written by and published by . This book was released on 1998 with total page 980 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dissertation Abstracts International

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ISBN 13 :
Total Pages : 760 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Dissertation Abstracts International by :

Download or read book Dissertation Abstracts International written by and published by . This book was released on 1992 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Experimental and Theoretical Study of the Vaporization of Single Fuel Droplets

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ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis An Experimental and Theoretical Study of the Vaporization of Single Fuel Droplets by : Gary L. Borman

Download or read book An Experimental and Theoretical Study of the Vaporization of Single Fuel Droplets written by Gary L. Borman and published by . This book was released on 1957 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Experimental Study on Fuel Droplet Evaporation at High Temperatures and High Pressures

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ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (245 download)

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Book Synopsis An Experimental Study on Fuel Droplet Evaporation at High Temperatures and High Pressures by : Hiroshi Nomura

Download or read book An Experimental Study on Fuel Droplet Evaporation at High Temperatures and High Pressures written by Hiroshi Nomura and published by . This book was released on 1998 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aviation Fuels with Improved Fire Safety

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Publisher : National Academies Press
ISBN 13 : 0309058333
Total Pages : 158 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Aviation Fuels with Improved Fire Safety by : National Research Council

Download or read book Aviation Fuels with Improved Fire Safety written by National Research Council and published by National Academies Press. This book was released on 1997-09-18 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: The reduction of the fire hazard of fuel is critical to improving survivability in impact-survivable aircraft accidents. Despite current fire prevention and mitigation approaches, fuel flammability can overwhelm post-crash fire scenarios. The Workshop on Aviation Fuels with Improved Fire Safety was held November 19-20, 1996 to review the current state of development, technological needs, and promising technology for the future development of aviation fuels that are most resistant to ignition during a crash. This book contains a summary of workshop discussions and 11 presented papers in the areas of fuel and additive technologies, aircraft fuel system requirements, and the characterization of fuel fires.

Experimental and Theoretical Study of Droplet Vaporization in a High Pressure Environment

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ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Experimental and Theoretical Study of Droplet Vaporization in a High Pressure Environment by : Jorg Stengele

Download or read book Experimental and Theoretical Study of Droplet Vaporization in a High Pressure Environment written by Jorg Stengele and published by . This book was released on 1997 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied Mechanics Reviews

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ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied Mechanics Reviews by :

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1993 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: