Download or read book Performance and Emissions Characterization of Reciprocating Internal Combustion Engines Fueled with Hydrogen natural Gas Blends written by Amar A. Patil and published by . This book was released on 2007 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydrogen Engine Performance Analysis Project Second Annual Report written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress in a 3 year research program to evaluate the performance and emission characteristics of hydrogen-fueled internal combustion engines is reported. Fifteen hydrogen engine configurations will be subjected to performance and emissions characterization tests. During the first two years, baseline data for throttled and unthrottled, carburetted and timed hydrogen induction, Pre IVC hydrogen-fueled engine configurations, with and without exhaust gas recirculation (EGR) and water injection, were obtained. These data, along with descriptions of the test engine and its components, the test apparatus, experimental techniques, experiments performed and the results obtained, are given. Analyses of other hydrogen-engine project data are also presented and compared with the results of the present effort. The unthrottled engine vis-a-vis the throttled engine is found, in general, to exhibit higher brake thermal efficiency. The unthrottled engine also yields lower NOx emissions, which were found to be a strong function of fuel-air equivalence ratio. (LCL).
Download or read book Biofueled Reciprocating Internal Combustion Engines written by K.A. Subramanian and published by CRC Press. This book was released on 2017-10-02 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biofuels such as ethanol, butanol, and biodiesel have more desirable physico-chemical properties than base petroleum fuels (diesel and gasoline), making them more suitable for use in internal combustion engines. The book begins with a comprehensive review of biofuels and their utilization processes and culminates in an analysis of biofuel quality and impact on engine performance and emissions characteristics, while discussing relevant engine types, combustion aspects and effect on greenhouse gases. It will facilitate scattered information on biofuels and its utilization has to be integrated as a single information source. The information provided in this book would help readers to update their basic knowledge in the area of "biofuels and its utilization in internal combustion engines and its impact Environment and Ecology". It will serve as a reference source for UG/PG/Ph.D. Doctoral Scholars for their projects / research works and can provide valuable information to Researchers from Academic Universities and Industries. Key Features: • Compiles exhaustive information of biofuels and their utilization in internal combustion engines. • Explains engine performance of biofuels • Studies impact of biofuels on greenhouse gases and ecology highlighting integrated bio-energy system. • Discusses fuel quality of different biofuels and their suitability for internal combustion engines. • Details effects of biofuels on combustion and emissions characteristics.
Download or read book Hydrogen Engine Performance Analysis Project written by Robert R. Adt and published by . This book was released on 1980 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Internal Combustion Engines written by Institution of Mechanical Engineers and published by Woodhead Publishing Limited. This book was released on 2009-11-20 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: This book contains the papers presented at the IMechE's Internal Combustion Engines: Performance, fuel economy and emissions conference, held at the IMechE, London, 8-9 December 2009. This conference, the latest in the successful biannual series on internal combustion engines, addresses drivers of change, technological developments and advances in the latest research. It examines developments for personal transport applications, though many of the drivers of change apply to light and heavy-duty, on and off-highway, transport and other sectors. The conference focuses on spark ignition engine technology for fuel economy, engine downsizing design and analysis, diesel engine design and analysis, and fuels. About the editors: The Institution of Mechanical Engineers (IMechE) is one of the leading professional engineering institutions in the world. Contents: SI ENGINES: TECHNOLOGY FOR FUEL ECONOMY A comparison of inlet valve operating strategies in a single cylinder spark ignition engine Future gasoline engine downsizing technologies - CO2 improvements and engine design considerations SI ENGINES: DOWNSIZING, DESIGN AND ANALYSIS Variable valve actuation enabled high efficiency gasoline engine A variable compression opposed-piston SI engine Application of high-precision absolute pressure sensors for gas exchange analysis DIESEL ENGINES: DESIGN AND ANALYSIS Effects of cooled and super-cooled low pressure EGR systems on the LD diesel engine performances Effect of compression ratio on combustion stability and performance of a DI diesel engine under cold conditions Effect of charge density on emissions in a HD-LTC diesel engine by retarding intake valve timing and rising boost pressure EMISSIONS CONTROL: NOx AND PARTICULATES Measures to improve the NOx-PM trade off for passenger car Diesel engines at elevated engine load Low particulate combustion development of the JCB Dieselmax mid-range off highway engine Exhaust inorganic nanoparticle emissions from internal combustion engines FUELS AND DIESEL ENGINES In-cylinder fuel injection and combustion analysis on 2nd generation bio-fuels in a single cylinder CR DI diesel optical engine Low NOx, low smoke operation of a diesel engine using a gasoline fuel Dual-fuel and low-carbon HGVs using bio methane Investigation of fuel properties and characterization of new generation alternative fuel for diesel engine LOW-TEMPERATURE COMBUSTION Hydrogen homogeneous charge compression ignition (HCCI) engine with DME as an ignition promoter HCCI simulation of a non reciprocating internal combustion engine The effects of exhaust back pressure on conventional and low temperature diesel combustion FUELS AND SI ENGINES Omnivore: an automotive flex-fuel 2-stroke engine with variable compression ratio, variable charge trapping and direct fuel injection A study of gasoline-alcohol blended fuels in a turbocharged DISI engine The nature of "superknock" and its origins in SI engines
Download or read book Thermochemical Fuel Reforming for Reciprocating Internal Combustion Engines written by and published by . This book was released on 2011 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Numerical Analysis of Mixture Formation and Combustion in a Hydrogen Direct injection Internal Combustion Engine written by Udo Gerke and published by Cuvillier Verlag. This book was released on 2007 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydrogen Engine Performance Analysis First Annual Report written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Many problems associated with the design and development of hydrogen-air breathing internal combustion engines for automotive applications have been identified by various domestic and foreign researchers. This project addresses the problems identified in the literature, seeks to evaluate potential solutions to these problems, and will obtain and document a design data-base convering the performance, operational and emissions characteristics essential for making rational decisions regarding the selection and design of prototype hydrogen-fueled, airbreathing engines suitable for manufacture for general automotive use. Information is included on the operation, safety, emission, and cost characteristics of hydrogen engines, the selection of a test engine and testing facilities, and experimental results. Baseline data for throttled and unthrottled, carburetted, hydrogen engine configurations with and without exhaust gas recirculation and water injection are presented. In addition to basic data gathering concerning performance and emissions, the test program conducted was formulated to address in detail the two major problems that must be overcome if hydrogen-fueled engines are to become viable: flashback and comparatively high NOx emissions at high loads. In addition, the results of other hydrogen engine investigators were adjusted, using accepted methods, in order to make comparisons with the results of the present study. The comparisons revealed no major conflicts. In fact, with a few exceptions, there was found to be very good agreement between the results of the various studies.
Download or read book Hydrogen as a Reciprocating Engine Fuel written by Jean Jacques Fagelson and published by . This book was released on 1975 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydrogen engine Performance analysis Project Third Quarterly Report First Year of Program written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research effort is to obtain the design data-base covering performance, operational characteristics and emissions essential for making a rational decision regarding the selection and design of prototype hydrogen-fueled, air-breathing engines capable of being manufactured for general automotive use. To this end hydrogen-fueled internal combustion engines were divided into fourteen subgroups. An engine representative of each subgroup will be tested during the course of the three year program. The Project Program Plan calls for investigation of pre-intake valve closing fuel ingestion (Pre IVC) hydrogen-fueled engines during the first two years. Work accomplished during the third 3-month period of the project is reported. Activities in this quarter included: water injection experiments with the throttled and unthrottled engine mode of operation; design and construction of exhaust gas recirculation (EGR) equipment for use with the EGR experiments with the throttled and unthrottled engine configuration; construction of lithium-filled exhaust valves; and analysis of data for annual report preparation purposes. (LCL).
Download or read book Hydrogen engine Performance analysis Project Second Quarterly Report First Year of Program written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research effort is to obtain the design data-base covering performance, operational characteristics and emissions essential for making a rational decision regarding the selection and design of prototype hydrogen-fueled, air-breathing engines capable of being manufactured for general automotive use. To this end hydrogen-fueled internal combustion engines were divided into fourteen subgroups. An engine representative of each subgroup will be tested during the course of the three year program. The Project Program Plan calls for investigation of pre-intake valve closing fuel ingestion (Pre IVC) hydrogen-fueled engines during the first two years. Work accomplished during the second three months of the project is reported. Activities during the second quarter concentrated on: final apparatus debugging, engine break-in, preliminary testing to determine qualitative apparatus operating characteristics, rearranging of the proposal test schedule and performing of tests with engine 1 (carbureted, throttled, no H2O injection, no EGR and engine 4 (carbureted, unthrottled, no H2O injection, no EGR. The details of these activities are described.
Download or read book Novel Internal Combustion Engine Technologies for Performance Improvement and Emission Reduction written by Akhilendra Pratap Singh and published by Springer Nature. This book was released on 2021-06-14 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph covers different aspects of internal combustion engines including engine performance and emissions and presents various solutions to resolve these issues. The contents provide examples of utilization of methanol as a fuel for CI engines in different modes of transportation, such as railroad, personal vehicles or heavy duty road transportation. The volume provides information about the current methanol utilization and its potential, its effect on the engine in terms of efficiency, combustion, performance, pollutants formation and prediction. The contents are also based on review of technologies present, the status of different combustion and emission control technologies and their suitability for different types of IC engines. Few novel technologies for spark ignition (SI) engines have been also included in this book, which makes this book a complete solution for both kind of engines. This book will be useful for engine researchers, energy experts and students involved in fuels, IC engines, engine instrumentation and environmental research.
Download or read book Combustion and Pollutant Characteristics of IC Engines Fueled with Hydrogen and Diesel hydrogen Mixtures Using 3D Computations with Detailed Chemical Kinetics written by Hassan A. Khairallah and published by . This book was released on 2015 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In order to develop design guidelines for optimum operations of internal combustion engines fueled with alternative fuels, a comprehensive understanding combustion behavior and the pollutant formation inside the cylinder are needed. The first part of this thesis aimed to numerically study the engine performance and in-cylinder pollutant formation in a spark ignition engine fueled with hydrogen. Advanced simulations were performed using multi- dimensional software AVL FIRE coupled with CHEMKIN. The detailed chemical reactions with 29 steps of hydrogen oxidation with additional nitrogen oxidation reactions were also employed. Formation rates of nitrogen oxides (NO[subscript x]) within the engine were accurately predicted using the extended Zeldovich mechanism with parameters adjusted for a carbon-free fuel. The computational results were first validated against experimental results with different equivalence ratios and then employed to examine a spark-ignition engine fueled with hydrogen under different operating conditions. Strategies that could have significant effects on the engine performance and emissions, such as exhaust gas recirculation (EGR) and ignition timing were also investigated. Furthermore, the maximization of engine power and minimization of NO[subscript x] emissions were considered as conflicting objectives for preliminary optimization. Finally, a skeletal reaction mechanism was developed to include the reaction kinetics of diesel and hydrogen fuel mixtures to investigate in-cylinder combustion processes of such a dual fuel compression-ignition engine. The model was then employed to examine the effects of exhaust gas recirculation (EGR) and N2 dilution on NO[subscript x] emissions"--Abstract, page iv.
Download or read book Numerical and Experimental Studies on Combustion Engines and Vehicles written by Paweł Woś and published by BoD – Books on Demand. This book was released on 2020-11-26 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: The matters discussed and presented in the chapters of this book cover a wide spectrum of topics and research methods commonly used in the field of engine combustion technology and vehicle functional systems. This book contains the results of both computational analyses and experimental studies on jet and reciprocating combustion engines as well heavy-duty onroad vehicles. Special attention is devoted to research and measures toward preventing the emission of harmful exhaust components, reducing fuel consumption or using unconventional methods of engine fueling or using renewable and alternative fuels in different applications. Some technical improvements in design and control of vehicle systems are also presented.
Download or read book Hydrogen Enrichment in Internal Combustion Engines written by Eddie Allan Jordan and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was made to determine the effects of hydrogen enrichment of ethanol at ultra-lean operating regimes utilizing both experimental and computational methods. A 0.745 liter 2-cylinder SI engine was modified to operate on both hydrogen and ethanol fuels. The study looked at part throttle, fixed RPM operation of 0%, 15%, and 30% hydrogen fuel mixtures operating in ultra-lean operating regimes. Data were collected to calculate NO and HC emissions, power, thermal efficiency, volumetric efficiency, brake-specific fuel consumption, and Wiebe burn fraction curves. The data from the experiments were used to develop an empirically based computational engine model utilizing Ricardo's WAVE. Once calibrated, WAVE combustion software was shown to be capable of accurately predicting the results of power and emissions of the ultra-lean hydrogen and ethanol mixtures. It was shown that hydrogen enrichment of ethanol demonstrated an ability to reduce NOx and stabilize and accelerate the combustion process. Both the model and experiments showed that operating near the LOL at both 15% and 30% hydrogen by volume reduced engine out NOx emissions by more than 95% as compared to stoichiometric gasoline operation. This reduction is comparable to the efficiency of modern three-way catalyst and could offer an alternative to current NOx reduction technologies. Power, thermal efficiency, and volumetric efficiency were not affected by the hydrogen mixture at a given equivalence ratio. However, hydrogen addition allowed an increase in the lean operating limit which helped further reduce NOx emissions, but at reduced power and thermal efficiency.
Download or read book Emission and Performance Characteristics of an Air breathing Hydrogen fueled Internal Combustion Engine written by R. G. Murray and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Practical Guide to Reciprocating Internal Combustion Engine Efficiency and Emissions written by Paul W. Guthrie and published by . This book was released on 2018-08-23 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to improve real engine efficiency, that is the conversion of fuel chemical energy to useful work, it is necessary to determine exactly where real engine cycles differ from theoretical thermodynamic cycles. While such theoretical cycles present a useful basis for analysis they can by no means fully describe the working processes of real engines. This report aimed to clearly explain the processes of real engines from the fundamental first and second laws of thermodynamics with reference to practical considerations.In the literature there are many fragments of the whole story, but not one document that summarises all of the issues relevant to the optimum design of real internal combustion engines for best efficiency and simultaneous best emissions. In this report the key parameters which influence efficiency and emissions formation were defined and recommendations were made for the configuration of an optimal engine system based on fundamental principles. A consequence of the work was the identification of the need to re-think the combustion mode paradigms so closely associated with contemporary internal combustion engines.
