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Author : Reto Balz
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (12 download)
Download or read book In Nozzle Flow and Primary Breakup Investigations of Marine Two-stroke Diesel Engine Injectors written by Reto Balz and published by . This book was released on 2018 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Reto Balz
Publisher :
ISBN 13 : 9789179052959
Total Pages : pages
Book Rating : 4.0/5 (529 download)
Download or read book In Nozzle Flow, Spray and Combustion Investigations written by Reto Balz and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 35 pages
Book Rating : 4.:/5 (942 download)
Download or read book Experimental Studies of Primary Break-up of Diesel Engine Fuel Injector Sprays written by and published by . This book was released on 2015 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. Bae
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book SAE 2002-30-0005, The Influence of Injector Parameters on Diesel Spray written by C. Bae and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diesel injection nozzles, incorporated with common-rail, high-pressure injection system, have the variety in its geometries. The design parameters of injection nozzle need to meet the requirement of compact fuel spread and atomization followed by mixing with air and combustion in HSDI (High-Speed Direct Injection) diesel engines. Diesel injectors with various nozzle geometries were tested to investigate the spray characteristics by optical-imaging techniques. Sac-nozzle and VCO nozzle incorporated with common-rail system were tested to see the behavior of high-pressure injection. Detailed investigation into spray characteristics from the holes of VCO nozzles, mostly with double guided needle, was performed. A variety of injection hole geometries was tested and compared to give tips on better injector design. Different hole sizes and taper ratio, represented as K factor, were studied through comprehensive spray-imaging techniques. Global characteristics of non-evaporative transient diesel spray, such as spray penetration and spray angle were measured from macroscopic images, which were frozen by an instantaneous photography with spark light source and CCD camera. Internal structure during spray development for atomization was analyzed from microscopic images, which was manifested through magnified spray images taken by a long-distance microscope. These provided the better understanding of the spray surface structure and the primary breakup process of dense spray from VCO nozzles incorporated with common-rail injection system. Fuel droplet sizes, mainly represented by SMD (Sauter Mean Diameter) were also estimated from the images. Spray images were taken in a pressurized chamber (up to 30 bar) at various ambient conditions and fuel supply pressures for various nozzle geometries. The spray development from sac-nozzle and VCO nozzle was discussed. The holes with different geometry in nozzles, especially differently tapered holes (0~2 in K factor), were found to give different macroscopic behavior in terms of spray penetration and spray angle and subsequently various atomization performances. Higher K factor and smaller exit hole sizes showed faster penetration, especially at lower ambient pressure, and smaller spray angle.
Author :
Publisher :
ISBN 13 :
Total Pages : 470 pages
Book Rating : 4.:/5 (318 download)
Download or read book Atomization and Sprays written by and published by . This book was released on 2009 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Kumar
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Investigation of In-nozzle Flow Characteristics of Fuel Injectors of IC Engines written by A. Kumar and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Guang Jin
Publisher :
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (33 download)
Download or read book Investigation of the Relationship Between Fuel Injection Nozzle Roto Flow and Hydra Flow and the Engine Torque of a Diesel Engine written by Guang Jin and published by . This book was released on 1995 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David P. Schmidt
Publisher :
ISBN 13 :
Total Pages : 406 pages
Book Rating : 4.:/5 (89 download)
Download or read book Cavitation in Diesel Fuel Injector Nozzles written by David P. Schmidt and published by . This book was released on 1997 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improvements in the fuel injection systems of internal combusion engines can substantially reduce the emission of harmful pollutants. The goal of this disseration is to understand the flow inside fuel injector nozzles and the implications fo rthe downstream spray.
Author : Kristian Mark Ingvorsen
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (926 download)
Download or read book DCAMM Special Report written by Kristian Mark Ingvorsen and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stephen A. Ciatti
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.:/5 (89 download)
Download or read book Determination of Diesel Injector Nozzle Characteristics Using Two-color Optical Pyrometry written by Stephen A. Ciatti and published by . This book was released on 2001 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Institution of Mechanical Engineers
Publisher : Elsevier
ISBN 13 : 0857096044
Total Pages : 348 pages
Book Rating : 4.8/5 (57 download)
Download or read book Fuel Systems for IC Engines written by Institution of Mechanical Engineers and published by Elsevier. This book was released on 2012-03-06 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the papers from the latest conference in this successful series on fuel injection systems for internal combustion engines. It is vital for the automotive industry to continue to meet the demands of the modern environmental agenda. In order to excel, manufacturers must research and develop fuel systems that guarantee the best engine performance, ensuring minimal emissions and maximum profit. The papers from this unique conference focus on the latest technology for state-of-the-art system design, characterisation, measurement, and modelling, addressing all technological aspects of diesel and gasoline fuel injection systems. Topics range from fundamental fuel spray theory, component design, to effects on engine performance, fuel economy and emissions. Presents the papers from the IMechE conference on fuel injection systems for internal combustion engines Papers focus on the latest technology for state-of-the-art system design, characterisation, measurement and modelling; addressing all technological aspects of diesel and gasoline fuel injection systems Topics range from fundamental fuel spray theory and component design to effects on engine performance, fuel economy and emissions
Author : Klaus Mollenhauer
Publisher : Springer Science & Business Media
ISBN 13 : 3540890831
Total Pages : 632 pages
Book Rating : 4.5/5 (48 download)
Download or read book Handbook of Diesel Engines written by Klaus Mollenhauer and published by Springer Science & Business Media. This book was released on 2010-06-22 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: This machine is destined to completely revolutionize cylinder diesel engine up through large low speed t- engine engineering and replace everything that exists. stroke diesel engines. An appendix lists the most (From Rudolf Diesel’s letter of October 2, 1892 to the important standards and regulations for diesel engines. publisher Julius Springer. ) Further development of diesel engines as economiz- Although Diesel’s stated goal has never been fully ing, clean, powerful and convenient drives for road and achievable of course, the diesel engine indeed revolu- nonroad use has proceeded quite dynamically in the tionized drive systems. This handbook documents the last twenty years in particular. In light of limited oil current state of diesel engine engineering and technol- reserves and the discussion of predicted climate ogy. The impetus to publish a Handbook of Diesel change, development work continues to concentrate Engines grew out of ruminations on Rudolf Diesel’s on reducing fuel consumption and utilizing alternative transformation of his idea for a rational heat engine fuels while keeping exhaust as clean as possible as well into reality more than 100 years ago. Once the patent as further increasing diesel engine power density and was filed in 1892 and work on his engine commenced enhancing operating performance.
Author : Charles Clark
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (138 download)
Download or read book Flow Independent Fuel Injection for More Consistent Liquid Combustion Using Pintile Injectors written by Charles Clark and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid jet in crossflow systems are often used as lightweight and efficient mechanisms of atomizing fuel prior to entertainment in the flame holder and combustion, making them integral components of liquid fueled engines. Unfortunately, such systems are susceptible to deviations in both trajectory and breakup rate, depending primarily on the Weber number and momentum flux ratio of the injected jet. In these studies, the effects of solid obstructions, called pintiles, on the variability of liquid jet in cross flow trajectory and breakup are investigated. Initial investigations looked at the impacts of broad geometric parameters on flow independence, using Mie scatter imaging and phase Doppler particle analysis. The results of that investigation yielded an optimal overarching geometry for pintiles. This knowledge was then refined by looking at specific face characteristics of the obstructions, primarily investigating face angle and concavity. Spray characteristics were spatially resolved using LIF/Mie particle sizing techniques, revealing that modest convex surfaces yielded the most consistent breakup characteristics across space, while simultaneously improving the average breakup distance of the liquid jet. Finally, this progression of pintile characteristics is investigated on the effects pintiles have on overarching flame properties, using C2*/CH* chemiluminescence ratios to determine spatially resolved equivalence ratio distributions across a wide range of Weber numbers and momentum flux ratios encompassing breakup regimes from the enhanced capillary modes through to shear breakup modes. Results from these studies demonstrate significant improvement of combustion properties from the introduction of the pintiles.
Author : Carsten Baumgarten
Publisher : Springer Science & Business Media
ISBN 13 : 3540308369
Total Pages : 312 pages
Book Rating : 4.5/5 (43 download)
Download or read book Mixture Formation in Internal Combustion Engines written by Carsten Baumgarten and published by Springer Science & Business Media. This book was released on 2006-09-28 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic control of mixture formation with modern high-pressure injection systems enables us to achieve considerable improvements of the combustion pr- ess in terms of reduced fuel consumption and engine-out raw emissions. However, because of the growing number of free parameters due to more flexible injection systems, variable valve trains, the application of different combustion concepts within different regions of the engine map, etc., the prediction of spray and m- ture formation becomes increasingly complex. For this reason, the optimization of the in-cylinder processes using 3D computational fluid dynamics (CFD) becomes increasingly important. In these CFD codes, the detailed modeling of spray and mixture formation is a prerequisite for the correct calculation of the subsequent processes like ignition, combustion and formation of emissions. Although such simulation tools can be viewed as standard tools today, the predictive quality of the sub-models is c- stantly enhanced by a more accurate and detailed modeling of the relevant pr- esses, and by the inclusion of new important mechanisms and effects that come along with the development of new injection systems and have not been cons- ered so far. In this book the most widely used mathematical models for the simulation of spray and mixture formation in 3D CFD calculations are described and discussed. In order to give the reader an introduction into the complex processes, the book starts with a description of the fundamental mechanisms and categories of fuel - jection, spray break-up, and mixture formation in internal combustion engines.
Author : Ievgen Bilousov
Publisher : Springer Nature
ISBN 13 : 3030497496
Total Pages : 395 pages
Book Rating : 4.0/5 (34 download)
Download or read book Modern Marine Internal Combustion Engines written by Ievgen Bilousov and published by Springer Nature. This book was released on 2020-06-30 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a comprehensive and timely overview of internal combustion engines for use in marine environments. It reviews the development of modern four-stroke marine engines, gas and gas–diesel engines and low-speed two-stroke crosshead engines, describing their application areas and providing readers with a useful snapshot of their technical features, e.g. their dimensions, weights, cylinder arrangements, cylinder capabilities, rotation speeds, and exhaust gas temperatures. For each marine engine, information is provided on the manufacturer, historical background, development and technical characteristics of the manufacturer’s most popular models, and detailed drawings of the engine, depicting its main design features. This book offers a unique, self-contained reference guide for engineers and professionals involved in shipbuilding. At the same time, it is intended to support students at maritime academies and university students in naval architecture/marine engineering with their design projects at both master and graduate levels, thus filling an important gap in the literature.
Author : Ziman Wang
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (144 download)
Download or read book Experimental Study on Diesel Spray with Single and Multiple Injection Under Room Temperature and Low Temperature written by Ziman Wang and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multiple-injection strategy can downsize the penetration and boost the atomization, causing higher IMEP and lower emissions. Multiple-injection however is complex, especially under cold condition.The injection characteristics were first studied by applying long-tube measuring instrument. Single and split injection strategies were employed. The flow rate and fuel mass were quantitatively studied. Furthermore, the interaction among splits was linked to dwell interval and injection duration of each split. The influences of temperature were also studied.A microscope and a CCD camera were then employed to study the primary breakup. The regime for the mushroom spray head was analyzed and the dispersion quality was quantified. The breakup-regime study was carried out. Flow regimes in nozzle dominate the breakup. Dwell interval, injection pressure, the number of injections and fuel temperature determined the interaction.The following is the investigation of macroscopic characteristics with high speed imaging technique. The effects of back pressure and the interaction between injections were investigated. The impact of cold fuel temperature was investigated and various correlations were employed to probe the influence of fuel temperature.The velocities and sizes of droplets were finally studied with Phase Doppler Particle Analyzer.
Author : Kazimierz Lejda
Publisher : BoD – Books on Demand
ISBN 13 : 9535105280
Total Pages : 136 pages
Book Rating : 4.5/5 (351 download)
Download or read book Fuel Injection in Automotive Engineering written by Kazimierz Lejda and published by BoD – Books on Demand. This book was released on 2012-04-20 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main topic of "Fuel injection in automotive engineering" book is fundamental process that determines the development of internal combustion engines and performances of automotive vehicles. The book collects original works focused on up-to-date issues relevant to improving injection phenomena per se and injection systems as the engine key components.
