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Author : Yohan Chi
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (612 download)
Download or read book Measurement of Droplet Size Distribution of Transient Diesel Spray written by Yohan Chi and published by . This book was released on 1993 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ja-Ye Koo
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (227 download)
Download or read book Droplet Sizes and Velocities in a Transient Diesel Fuel Spray written by Ja-Ye Koo and published by . This book was released on 1990 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Simultaneous droplet sizes and velocities were obtained for a transient diesel fuel spray in a quiescent chamber at atmospheric temperature and pressure. Instantaneous injection pressure, needle lift, and rate of injection were also measured, allowing calculation of the instantaneous nozzle discharge coefficient. Short-exposure still photographs were obtained at various chamber pressure and densities to further investigate this spray. Correlations between droplet size and velocity were determined at each crank angle to observe the detailed nature of the transient events occurring in this transient diesel fuel spray. As expected, peak mean and rms velocities are observed in the center of the spray. Measured average velocities are consistent with a calculated value, using the discharge coefficient for the nozzle and the known rate of fuel injection. The spray was nearly symmetric, with higher velocities occurring near the injector tip, and the radial dependence of velocity consistent with that observed from the spray photographs. Factors observed to effect the droplet size and velocity distributions and history include pump speed, fuel quantity delivered, and needle lift. Reprints. (aw).
Author : Brian Paul Sangeorzan
Publisher :
ISBN 13 :
Total Pages : 324 pages
Book Rating : 4.:/5 (89 download)
Download or read book Time-resolved Measurements of Drop Size Distribution in a Transient Fuel Spray written by Brian Paul Sangeorzan and published by . This book was released on 1983 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. P. Sangeorzan
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book Time-resolved Measurements of Drop Size Distribution in a Transient Fuel Spray written by P. P. Sangeorzan and published by . This book was released on 1983 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kiichiro Takeuchi
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (387 download)
Download or read book Transient Characteristics of Fuel Atomization and Droplet Size Distribution in Diesel Fuel Spray written by Kiichiro Takeuchi and published by . This book was released on 1983 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ja-Ye Koo
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.:/5 (89 download)
Download or read book Characteristics of a Transient Diesel Fuel Spray written by Ja-Ye Koo and published by . This book was released on 1991 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Calvin C. Hung
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (711 download)
Download or read book Injection Pressure Effects Upon Droplet Behavior in Transient Diesel Sprays written by Calvin C. Hung and published by . This book was released on 1997 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ja-Ye Koo
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (227 download)
Download or read book Comparisons of Measured Drop Sizes and Velocities in a Transient Fuel Spray with Stability Criteria and Computed PDF's written by Ja-Ye Koo and published by . This book was released on 1991 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two sets of comparisons were made in an attempt to provide a mechanism for understanding the behavior of transient sprays. First, detailed measurements of drop size and velocity in a transient spray were compared to established stability criteria for different droplet breakup mechanisms, specifically criteria for bag breakup and boundary layer stripping. Then, probability-density-functions were determined from the experimental data and compared, where appropriate, to different computed distributions (such as the Chi-square or log-hyperbolic distributions). Comparison with the stability criteria indicates that the a majority of droplets in the spray are susceptible to both breakup mechanisms near the injector tip. However, downstream, the spray appears to stabilize and any redistribution of droplet size must apparently be a result of collisions.
Author : Kaushik Saha
Publisher : Springer
ISBN 13 : 9811332568
Total Pages : 398 pages
Book Rating : 4.8/5 (113 download)
Download or read book Two-Phase Flow for Automotive and Power Generation Sectors written by Kaushik Saha and published by Springer. This book was released on 2018-11-03 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the two-phase flow problems relevant in the automotive and power generation sectors. It includes fundamental studies on liquid–gas two-phase interactions, nucleate and film boiling, condensation, cavitation, suspension flows as well as the latest developments in the field of two-phase problems pertaining to power generation systems. It also discusses the latest analytical, numerical and experimental techniques for investigating the role of two-phase flows in performance analysis of devices like combustion engines, gas turbines, nuclear reactors and fuel cells. The wide scope of applications of this topic makes this book of interest to researchers and professionals alike.
Author : Calvin C. Hung
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (711 download)
Download or read book Injection Pressure Effects Upon Droplet Behavior in Transient Diesel Sprays written by Calvin C. Hung and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper reports on the investigation of injection pressure upon the droplet behavior in transient diesel sprays. Phase/Doppler results for a Diesel spray with a maximum fuel injection line pressure of 105 MPa are compared with previously acquired droplet size and velocity measurements for a Diesel spray with an injection pressure of 21 MPa. All measurements reported here were made in atmospheric conditions at a position near the nozzle. It is shown in these results that the droplet velocity and size profiles do maintain similarity despite the substantial change in injection pressure. Specific characteristics, for example, the appearance of subtle waves in the time dependent spray data, are present in both data sets. Comparison of the measured droplet velocities and diameters with Weber number based stability criteria shows that increased injection pressure produces a higher percentage of droplets that are likely to breakup. This is mostly the result of increases in droplet velocities with higher injection pressure. The interior region of the higher pressure spray is an area extremely difficult to probe, despite the application of temporal optimization of the phase/Doppler anemometer. Inherent characteristics of the injection that affect the ability to acquire data are described, as well as some of the operational difficulties experienced in using a phase/Doppler for diesel spray droplet measurements.
Author : Julian M. Tishkoff
Publisher : ASTM International
ISBN 13 : 9780803102279
Total Pages : 198 pages
Book Rating : 4.1/5 (22 download)
Download or read book Liquid Particle Size Measurement Techniques written by Julian M. Tishkoff and published by ASTM International. This book was released on 1984 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : DM. Popa
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (125 download)
Download or read book Sizing Study of Drops Produced by High Diesel Fuel Injection Pressure Sprays written by DM. Popa and published by . This book was released on 1984 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments were conducted to measure droplet sizes and their distribution in high-pressure diesel fuel sprays. Fuel droplets were collected on glass plates which were treated with surface modifier. The droplets were photographed and subsequently analyzed on an image analyzer. The resultant information is used to calculate average diameter, Sauter mean diameter, etc. The degree of automation in the analysis process allows accurate measurement of a large number of photographed drops. It is estimated that the method used here allowed good measurements of small droplets on the order of 0.5 μm. Typical output of the analysis together with the validity of the technique is presented in the paper.
Author : M. A. Coil
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (227 download)
Download or read book Investigation of Diesel Sprays Using Diffraction-Based Droplet Sizing written by M. A. Coil and published by . This book was released on 1995 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of combustion in direct injection Diesel engines demands detailed understanding of the behavior of the injection. Understanding the injection involves characterizing the distribution of fuel particle sizes throughout the spray. This work studied the size distributions of sprays from commercial Diesel injectors under a series of conditions. A diffraction-based diagnostic obtained maps of local fuel droplet size information over the full spray field. Most quantitative techniques currently used in spray research provide quantitative time-ranging data at a single point in the spray field. Spatially resolved information proves more useful in studying transient sprays. The spatially resolved maps of particle size obtained in this experiment showed the reliability of the diagnostic, exhibited the transience of the fine structure of these sprays, and demonstrated the evolution of the sprays with time.
Author : Paul Richards
Publisher : SAE International
ISBN 13 : 0768081025
Total Pages : 870 pages
Book Rating : 4.7/5 (68 download)
Download or read book Automotive Fuels Reference Book written by Paul Richards and published by SAE International. This book was released on 2014-03-05 with total page 870 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first two editions of this title, published by SAE International in 1990 and 1995, have been best-selling definitive references for those needing technical information about automotive fuels. This long-awaited new edition has been thoroughly revised and updated, yet retains the original fundamental fuels information that readers find so useful. This book is written for those with an interest in or a need to understand automotive fuels. Because automotive fuels can no longer be developed in isolation from the engines that will convert the fuel into the power necessary to drive our automobiles, knowledge of automotive fuels will also be essential to those working with automotive engines. Small quantities of fuel additives increasingly play an important role in bridging the gap that often exists between fuel that can easily be produced and fuel that is needed by the ever-more sophisticated automotive engine. This book pulls together in a single, extensively referenced volume, the three different but related topics of automotive fuels, fuel additives, and engines, and shows how all three areas work together. It includes a brief history of automotive fuels development, followed by chapters on automotive fuels manufacture from crude oil and other fossil sources. One chapter is dedicated to the manufacture of automotive fuels and fuel blending components from renewable sources. The safe handling, transport, and storage of fuels, from all sources, are covered. New combustion systems to achieve reduced emissions and increased efficiency are discussed, and the way in which the fuels’ physical and chemical characteristics affect these combustion processes and the emissions produced are included. There is also discussion on engine fuel system development and how these different systems affect the corresponding fuel requirements. Because the book is for a global market, fuel system technologies that only exist in the legacy fleet in some markets are included. The way in which fuel requirements are developed and specified is discussed. This covers test methods from simple laboratory bench tests, through engine testing, and long-term test procedures.
Author : Joseph Arena
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (29 download)
Download or read book Measurement of Flow and Droplet Size Distributions for Spray Nozzles written by Joseph Arena and published by . This book was released on 1973 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Society of Automotive Engineers
Publisher :
ISBN 13 :
Total Pages : 394 pages
Book Rating : 4.3/5 (91 download)
Download or read book Technical Literature Abstracts written by Society of Automotive Engineers and published by . This book was released on 2000 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard Viskup
Publisher :
ISBN 13 : 178985248X
Total Pages : 202 pages
Book Rating : 4.7/5 (898 download)
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.
