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Droplet Size Concentration And Temperature Mapping In Sprays Using Slipi Based Techniques
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Book Synopsis Droplet Size, Concentration, and Temperature Mapping in Sprays Using SLIPI-based Techniques by : Yogeshwar Nath Mishra
Download or read book Droplet Size, Concentration, and Temperature Mapping in Sprays Using SLIPI-based Techniques written by Yogeshwar Nath Mishra and published by . This book was released on 2001 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structured laser illumination planar imaging (SLIPI) is a technique capable of suppressing multiple light scattering effects in optically dense sprays, resulting in spray images without blurs and with enhanced contrast. The novelty of the work presented in this thesis concerns the applications of a variety of SLIPI-based techniques for the measurement of droplet size, droplet concentration, and liquid temperature in atomizing sprays. Two types of spray systems are investigated here: 1) Steady hollow-cone water sprays using temporally averaged imaging. 2) Transient Direct-Injection spark ignition (DISI) biofuel sprays using instantaneous imaging. The temporally averaged measurements are performed using three-phase SLIPI (3p-SLIPI) with liquid injection pressures in the range of 20–50 bar and at ambient conditions. Droplet sizing is obtained by combining SLIPI with the laser-induced fluorescence (LIF)/Mie ratio approach, where the droplet Sauter mean diameter is deduced after calibration with phase Doppler anemometry measurements. The droplet concentration and liquid volume fraction are obtained by combining the SLIPI-LIF/Mie method with light transmission measurements. This is performed using a laser sheet scanning approach, which provides three-dimensional quantitative reconstructions. Finally, the spray temperature is obtained by combining SLIPI with two-color LIF ratio thermometry for a liquid temperature ranging from 25–55°C. It is found that multiple light scattering induces measurement errors even for sprays having singly scattered photons in majority. This finding, therefore, strongly supports the application of SLIPI for quantitative spray measurements, even for optically dilute sprays. The 3p-SLIPI approach is based on recording a minimum of three modulated sub-images successively, each having a different spatial phase; therefore, it has been primarily used for temporally averaged imaging. To circumvent this limitation, two novel instantaneous imaging approaches, 2p-SLIPI and 1p-SLIPI (corresponding to two-phase and one-phase, respectively), have been developed. In the 2p-SLIPI optical setup, the “lines structure” is optically shifted by exploiting the birefringence property of a calcite crystal. This novel optical approach is used to image spray dynamics in ethanol and butanol DISI sprays at liquid fuel injection pressures of 80 and 160 bar, where the spray chamber is operated at 2-bar air pressure. Finally, the results from instantaneous 2p-SLIPI and 1p-SLIPI imaging have been compared, showing promising applications for the study of spray dynamics.
Book Synopsis Diesel and Gasoline Engines by : Richard Viskup
Download or read book Diesel and Gasoline Engines written by Richard Viskup and published by . This book was released on 2020-02 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: The internal combustion engine was invented around 1790 by various scientists and engineers worldwide. Since then the engines have gone through many modifications and improvements. Today, different applications of engines form a significant technological importance in our everyday lives, leading to the evolution of our modern civilization. The invention of diesel and gasoline engines has definitely changed our lifestyles as well as shaped our priorities. The current engines serve innumerable applications in various types of transportation, in harsh environments, in construction, in diverse industries, and also as back-up power supply systems for hospitals, security departments, and other institutions. However, heavy duty or light duty engines have certain major disadvantages, which are well known to everyone. With the increasing usage of diesel and gasoline engines, and the constantly rising number of vehicles worldwide, the main concern nowadays is engine exhaust emissions. This book looks at basic phenomena related to diesel and gasoline engines, combustion, alternative fuels, exhaust emissions, and mitigations.
Book Synopsis Droplet Size Distribution and Liquid Volume Concentration in a Water Spray: Predictions and Measurements by :
Download or read book Droplet Size Distribution and Liquid Volume Concentration in a Water Spray: Predictions and Measurements written by and published by . This book was released on 1984 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: A water spray, from a twin-fluid atomizer, was studied at different air temperature and at atmospheric pressure. The Sauter Mean Diameter, D32, and the droplet volume distribution were measured at four different distances from the injector. An optical method was used to measure droplet sizes. Predictions of the Sauter Mean Diameter, liquid volume concentration and droplet size distribution were also evaluated. The influence of the air velocity, air temperature and of the water flow rate in the spray S.M.D. and in the liquid volume concentration at different distance from the injector have been measured. The predictions showed good agreement with experimental results.
Book Synopsis Handbook of Atomization and Sprays by : Nasser Ashgriz
Download or read book Handbook of Atomization and Sprays written by Nasser Ashgriz and published by Springer Science & Business Media. This book was released on 2011-02-18 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomization and sprays are used in a wide range of industries: mechanical, chemical, aerospace, and civil engineering; material science and metallurgy; food; pharmaceutical, forestry, environmental protection; medicine; agriculture; meteorology and others. Some specific applications are spray combustion in furnaces, gas turbines and rockets, spray drying and cooling, air conditioning, powdered metallurgy, spray painting and coating, inhalation therapy, and many others. The Handbook of Atomization and Sprays will bring together the fundamental and applied material from all fields into one comprehensive source. Subject areas included in the reference are droplets, theoretical models and numerical simulations, phase Doppler particle analysis, applications, devices and more.
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 Fluid Dynamics and Transport of Droplets and Sprays by : W. A. Sirignano
Download or read book Fluid Dynamics and Transport of Droplets and Sprays written by W. A. Sirignano and published by Cambridge University Press. This book was released on 2010-01-11 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the theoretical foundations of spray and droplet applications relevant to the technology for active control of sprays applied to new products and applications, improved product performance, cost reductions, and improved environmental outcomes. It also covers theory related to power and propulsion; materials processing and manufacturing technologies including droplet-based net form processing, coating, and painting; medication; pesticides and insecticides; and other consumer uses.
Book Synopsis Mud Crab Aquaculture and Biology by : Clive Phillip Keenan
Download or read book Mud Crab Aquaculture and Biology written by Clive Phillip Keenan and published by . This book was released on 1999 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mud crab culture has relied until recently on juvenile stock captured from the natural environment. This practice puts undue pressure on natural stocks and causes concern about the sustainability of mud crab aquaculture. This text documents research carried out to combat such problems.
Book Synopsis Laser Doppler and Phase Doppler Measurement Techniques by : H.-E. Albrecht
Download or read book Laser Doppler and Phase Doppler Measurement Techniques written by H.-E. Albrecht and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 741 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing the first comprehensive treatment, this book covers all aspects of the laser Doppler and phase Doppler measurement techniques, including light scattering from small particles, fundamental optics, system design, signal and data processing, tracer particle generation, and applications in single and two-phase flows. The book is intended as both a reference book for more experienced users as well as an instructional book for students. It provides ample material as a basis for a lecture course on the subject and represents one of the most comprehensive treatments of the phase Doppler technique to date. The book will serve as a valuable reference book in any fluid mechanics laboratory where the laser Doppler or phase Doppler techniques are used. This work reflects the authors' long practical experience in the development of the techniques and equipment, as the many examples confirm.
Book Synopsis Diameter-Transformed Fluidized Bed by : Youhao Xu
Download or read book Diameter-Transformed Fluidized Bed written by Youhao Xu and published by Springer Nature. This book was released on 2020-06-05 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book puts forward the concept of the Diameter-Transformed Fluidized Bed (DTFB): a fluidized bed characterized by the coexistence of multiple flow regimes and reaction zones, achieved by transforming the bed into several sections of different diameters. It reviews fundamental aspects, including computational fluid dynamics simulations and industrial practices in connection with DTFB. In particular, it highlights an example concerning the development of maximizing iso-paraffins (MIP) reactors for regulating complex, fluid catalytic cracking reactions in petroleum refineries. The book is a must-have for understanding how academic and industrial researchers are now collaborating in order to develop novel catalytic processes.
Book Synopsis X-Rays and Extreme Ultraviolet Radiation by : David Attwood
Download or read book X-Rays and Extreme Ultraviolet Radiation written by David Attwood and published by Cambridge University Press. This book was released on 2016 with total page 655 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master the physics and understand the current applications of modern X-ray and EUV sources with this fully updated second edition.
Book Synopsis Droplets and Sprays by : Sergei Sazhin
Download or read book Droplets and Sprays written by Sergei Sazhin and published by Springer. This book was released on 2014-05-19 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing a clear and systematic description of droplets and spray dynamic models, this book maximises reader insight into the underlying physics of the processes involved, outlines the development of new physical and mathematical models and broadens understanding of interactions between the complex physical processes which take place in sprays. Complementing approaches based on the direct application of computational fluid dynamics (CFD), Droplets and Sprays treats both theoretical and practical aspects of internal combustion engine process such as the direct injection of liquid fuel, subcritical heating and evaporation. Including case studies that illustrate the approaches relevance to automotive applications, it is also anticipated that the described models can find use in other areas such as in medicine and environmental science.
Book Synopsis The International Halal SME Report Directory 2011/12 by : H Media
Download or read book The International Halal SME Report Directory 2011/12 written by H Media and published by Lulu.com. This book was released on 2011 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spray/Wall-Interaction Modelling by Dimensionless Data Analysis by : Dominik Kuhnke
Download or read book Spray/Wall-Interaction Modelling by Dimensionless Data Analysis written by Dominik Kuhnke and published by . This book was released on 2004 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Particle Image Velocimetry by : Andreas Schröder
Download or read book Particle Image Velocimetry written by Andreas Schröder and published by Springer Science & Business Media. This book was released on 2008-01-14 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes the main results reached using the EC-funded network PivNet 2. It also presents a survey of the state of the art of scientific research using PIV techniques. You get a clear introduction to the basics of these techniques. The authors then guide you through current and possible future applications for flow analysis, including combustion and supersonic flow. Hundreds of illustrations, many in full color, are provided.
Author :Vladimir G. Dubrovskii Publisher :Springer Science & Business Media ISBN 13 :3642396607 Total Pages :610 pages Book Rating :4.6/5 (423 download)
Book Synopsis Nucleation Theory and Growth of Nanostructures by : Vladimir G. Dubrovskii
Download or read book Nucleation Theory and Growth of Nanostructures written by Vladimir G. Dubrovskii and published by Springer Science & Business Media. This book was released on 2013-12-04 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor nanostructures such as nanowires are promising building blocks of future nanoelectronic, nanophotonic and nanosensing devices. Their physical properties are primarily determined by the epitaxy process which is rather different from the conventional thin film growth. This book shows how the advanced nucleation theory can be used in modeling of growth properties, morphology and crystal phase of such nanostructures. The book represents a systematic account of modern nucleation theory in open systems, nanostructure nucleation and growth mechanisms, and possibilities for tuning the nanostructure properties to the desired values.
Book Synopsis Microdrop Generation by : Eric R. Lee
Download or read book Microdrop Generation written by Eric R. Lee and published by CRC Press. This book was released on 2018-10-03 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: The applications and use of inkjet-like microfluidic drop ejectors have grown rapidly in many fields, including biotechnology, drug discovery, combinatorial chemistry, and microfabrication. Yet to date, end users and even designers of microdrop systems for scientific applications have had no books to reference on the subject. Microdrop Generation meets the needs of all those who need to understand the physics and engineering behind microdrop technology. It also contains detailed, how-to information on the practical construction, operation, troubleshooting, and fluid formulation for microdrop ejection systems. Written by a highly experienced practitioner of the art, the book is organized as a self-contained tutorial of microdrop technology ideal for those new to the field.
Book Synopsis Spray Simulation by : Udo Fritsching
Download or read book Spray Simulation written by Udo Fritsching and published by Cambridge University Press. This book was released on 2004-02-26 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spray forming combines the metallurgical processes of metal casting and powder metallurgy to fabricate metal products with enhanced properties. This book provides an introduction to the various modelling and simulation techniques employed in spray forming, and shows how they are applied in process analysis and development. The author begins by deriving and describing the main models. He then presents their application in the simulation of the key features of spray forming. Wherever possible he discusses theoretical results with reference to experimental data. Building on the features of metal spray forming, he also derives common characteristic modelling features that may be useful in the simulation of related spray processes. The book is aimed at researchers and engineers working in process technology, chemical engineering and materials science.
