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Water Injection In Si Engines
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Book Synopsis End-zone Water Injection as a Means of Suppressing Knock in a Spark-ignition Engine by : Rinaldo J. Brun
Download or read book End-zone Water Injection as a Means of Suppressing Knock in a Spark-ignition Engine written by Rinaldo J. Brun and published by . This book was released on 1944 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: An investigation has been made of the effectiveness of water injection into the combustion end zone of a spark-ignition engine cylinder for the suppression of knock. Pressure-time recoreds obtained show that injection of water at 60° B.T.C. on the compression stroke at a water-fuel ratio of 0.3 rendered M-3 fuel as good as S-3 fuel from an antiknock consideration. The optimum crank angle for injection of water into the end zone was found to be critical. As the injection angle was increased beyond the optimum, the quantity of water required to suppress knock increased to 3.6 water-fuel ratio at 132° B.T.C. The water quantity could not be increased beyond 3.6 water-fuel ration because of injection-pump limitations; however, a further increase in the injection angle up to the earliest angle obtainable, which was 20° A.T.C. on the intake stroke, continuously increased the knock intensity. The engine operating conditions of the tests did not simulate those encountered in flight, especially with regard to the operating speed of 570 rpm. For this reason the results should only be regarded as of theoretical importance until further investigation has been made.
Download or read book Water Injection in SI Engines written by and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reciprocating Engine Combustion Diagnostics by : Rakesh Kumar Maurya
Download or read book Reciprocating Engine Combustion Diagnostics written by Rakesh Kumar Maurya and published by Springer. This book was released on 2019-03-19 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with in-cylinder pressure measurement and its post-processing for combustion quality analysis of conventional and advanced reciprocating engines. It offers insight into knocking and combustion stability analysis techniques and algorithms in SI, CI, and LTC engines, and places special emphasis on the digital signal processing of in-cylinder pressure signal for online and offline applications. The text gives a detailed description on sensors for combustion measurement, data acquisition, and methods for estimation of performance and combustion parameters. The information provided in this book enhances readers’ basic knowledge of engine combustion diagnostics and serves as a comprehensive, ready reference for a broad audience including graduate students, course instructors, researchers, and practicing engineers in the automotive, oil and other industries concerned with internal combustion engines.
Book Synopsis Knocking in Gasoline Engines by : Michael Günther
Download or read book Knocking in Gasoline Engines written by Michael Günther and published by Springer. This book was released on 2017-11-21 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book includes the papers presented at the conference discussing approaches to prevent or reliably control knocking and other irregular combustion events. The majority of today’s highly efficient gasoline engines utilize downsizing. High mean pressures produce increased knocking, which frequently results in a reduction in the compression ratio at high specific powers. Beyond this, the phenomenon of pre-ignition has been linked to the rise in specific power in gasoline engines for many years. Charge-diluted concepts with high compression cause extreme knocking, potentially leading to catastrophic failure. The introduction of RDE legislation this year will further grow the requirements for combustion process development, as residual gas scavenging and enrichment to improve the knock limit will be legally restricted despite no relaxation of the need to reach the main center of heat release as early as possible. New solutions in thermodynamics and control engineering are urgently needed to further increase the efficiency of gasoline engines.
Book Synopsis Investigating Effects of Water Injection on SI Engines by :
Download or read book Investigating Effects of Water Injection on SI Engines written by and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Injection in the Modern Automotive Spark Ignition Engine by : Leonard Carl Nelson
Download or read book Water Injection in the Modern Automotive Spark Ignition Engine written by Leonard Carl Nelson and published by . This book was released on 1949 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The injection of water in the spark ignition engine is not new. The effect of humidity in the air on the performance of the spark ignition engine probably initiated the early investigations. The water vapor in the inlet air decreases the speed of the flame front and necessitates spark advance to assure maximum power and maximum efficiency. Water particles in the air evaporate during the compression and combustion of the inducted charge and decrease the tendency of the engine to detonate. These effects are very evident when operating the spark ignition engine in a moist atmosphere. Water is not a foreign element to the internal combustion engine. It can be easily shown that when one pound of a hydrocarbon fuel burns more than one pound of water is formed in the combustion chamber ... The fundamental reason for injecting water is to suppress detonation. The exact nature as to how this is accomplished is not definitely known, but it is reasoned that the effect is due to the high heat of vaporization of the water"--Introduction, leaves 1-2.
Book Synopsis Effect of Water Injection on Combustion Characteristics of a Spark-ignition Internal-combustion Engine by : Edward Ellis Towe
Download or read book Effect of Water Injection on Combustion Characteristics of a Spark-ignition Internal-combustion Engine written by Edward Ellis Towe and published by . This book was released on 1955 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Innovative Water Injection Strategies for Gasoline Engines by Means of a 3D-CFD Virtual Engine Test Bench by : Edoardo Rossi
Download or read book Investigation of Innovative Water Injection Strategies for Gasoline Engines by Means of a 3D-CFD Virtual Engine Test Bench written by Edoardo Rossi and published by Springer Nature. This book was released on 2024 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the investigation of innovative engine technologies that can improve the efficiency of internal combustion engines and reduce their environmental impact. In particular, water injection is examined as a means of improving engine behavior. The possible combination of water injection with renewable fuels is also a topic of the book. The results of this experimental and numerical research show positive results that can be used for further research and development of engines. Content 3D-CFD Simulation Environment: the Virtual Engine Test Bench Experimental Spray Analysis and 3D-CFD Injection Model Calibration Applicability of Water Injection in Combination with an eFuel Water-in-Fuel Emulsions at the Virtual Engine Test Bench Target Groups Students and researchers in the field of automotive engineering, esp. engine technology Engineers in the automotive industry About the Author Edoardo Rossi is a project manager in the virtual engine development department at the FKFS, where he did his PhD. He works on innovative solutions for future powertrain technologies for motor vehicles. .
Book Synopsis Engine Combustion Instrumentation and Diagnostics by : Hua Zhao
Download or read book Engine Combustion Instrumentation and Diagnostics written by Hua Zhao and published by SAE International. This book was released on 2001-01-30 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a complete description of instrumentation and in-cylinder measurement techniques for internal combustion engines. Written primarily for researchers and engineers involved in advanced research and development of internal combustion engines, the book provides an introduction to the instrumentation and experimental techniques, with particular emphasis on diagnostic techniques for in-cylinder measurements.
Book Synopsis Assessment of Fuel Economy Technologies for Light-Duty Vehicles by : National Research Council
Download or read book Assessment of Fuel Economy Technologies for Light-Duty Vehicles written by National Research Council and published by National Academies Press. This book was released on 2011-06-03 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles without compromising vehicle performance or safety. Assessment of Technologies for Improving Light Duty Vehicle Fuel Economy estimates the potential fuel savings and costs to consumers of available technology combinations for three types of engines: spark-ignition gasoline, compression-ignition diesel, and hybrid. According to its estimates, adopting the full combination of improved technologies in medium and large cars and pickup trucks with spark-ignition engines could reduce fuel consumption by 29 percent at an additional cost of $2,200 to the consumer. Replacing spark-ignition engines with diesel engines and components would yield fuel savings of about 37 percent at an added cost of approximately $5,900 per vehicle, and replacing spark-ignition engines with hybrid engines and components would reduce fuel consumption by 43 percent at an increase of $6,000 per vehicle. The book focuses on fuel consumption-the amount of fuel consumed in a given driving distance-because energy savings are directly related to the amount of fuel used. In contrast, fuel economy measures how far a vehicle will travel with a gallon of fuel. Because fuel consumption data indicate money saved on fuel purchases and reductions in carbon dioxide emissions, the book finds that vehicle stickers should provide consumers with fuel consumption data in addition to fuel economy information.
Book Synopsis HCCI and CAI Engines for the Automotive Industry by : Hua Zhao
Download or read book HCCI and CAI Engines for the Automotive Industry written by Hua Zhao and published by CRC Press. This book was released on 2007-09-10 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: Homogeneous charge compression ignition (HCCI)/controlled auto-ignition (CAI) has emerged as one of the most promising engine technologies with the potential to combine fuel efficiency and improved emissions performance, offering reduced nitrous oxides and particulate matter alongside efficiency comparable with modern diesel engines. Despite the considerable advantages, its operational range is rather limited and controlling the combustion (timing of ignition and rate of energy release) is still an area of on-going research. Commercial applications are, however, close to reality. HCCI a.
Book Synopsis THE IMPACT OF WATER INJECTION ON SPARK IGNITION ENGINE PERFORMANCE UNDER HIGH LOAD OPERATION by :
Download or read book THE IMPACT OF WATER INJECTION ON SPARK IGNITION ENGINE PERFORMANCE UNDER HIGH LOAD OPERATION written by and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract : An experimental effort has been completed in which water injection was investigated as a means of enabling increases in engine output and high load efficiency. Water was injected into the intake port of a direct fuel injected, 4-cylinder, boosted engine with dual independent variable valve timing. The water was shown to increase volumetric efficiency and decrease the onset of knock which in turn enable more optimal combustion phasing. Both of these affects resulted increases in load of up to 5.5% at the same manifold pressure as the baseline case. The advancement of combustion phasing, combined with elimination of fuel enrichment resulted in an increase in full load thermal efficiency of up to 35%. Analysis is provided around these affects, as well as the phase transformation of water throughout the engine cycle.
Book Synopsis Water injection in a spark ignition engine by : Isham George Kennon
Download or read book Water injection in a spark ignition engine written by Isham George Kennon and published by . This book was released on 1949 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Aircraft Engine Research Laboratory Publisher :Hassell Street Press ISBN 13 :9781013823039 Total Pages :24 pages Book Rating :4.8/5 (23 download)
Book Synopsis End-zone Water Injection as a Means of Suppressing Knock in a Spark-ignition Engine by : Aircraft Engine Research Laboratory
Download or read book End-zone Water Injection as a Means of Suppressing Knock in a Spark-ignition Engine written by Aircraft Engine Research Laboratory and published by Hassell Street Press. This book was released on 2021-09-09 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Book Synopsis The Water Injection of a One Cylinder Spark Ignition Engine by Two Different Methods by : Harvey Parnell Metzler
Download or read book The Water Injection of a One Cylinder Spark Ignition Engine by Two Different Methods written by Harvey Parnell Metzler and published by . This book was released on 1967 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Increasing the Efficiency of SI-engines by Spark-advance Control and Water Injection by :
Download or read book Increasing the Efficiency of SI-engines by Spark-advance Control and Water Injection written by and published by . This book was released on 1997 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Alcohol-Water Injection for Spark-Ignition Engines (Classic Reprint) by : Richard Wiebe
Download or read book Alcohol-Water Injection for Spark-Ignition Engines (Classic Reprint) written by Richard Wiebe and published by Forgotten Books. This book was released on 2018-03-19 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Alcohol-Water Injection for Spark-Ignition Engines As a matter of interest, table 1 gives the average octane numbers for regular and premium gasolines in three sections of the country as published by the Bureau of Mines. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
