Investigation of the Combustion, Emissions, and Engine Performance Characteristics

Investigation of the Combustion, Emissions, and Engine Performance Characteristics PDF Author: David Henry Nelson
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages : 191

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Book Description
Author's abstract: Bio-fuels and emissions are of great concern today with limited petroleum resources, and increasingly strict regulations by the Environmental Protection Agency on combustion emissions. In this study, a single cylinder, naturally aspirated diesel engine with a separate three vortex combustion chamber is used to investigate combustion and emissions of low sulfur diesel with comparison to blends of biodiesel with diesel. The separate combustion chamber is designed to help reduce emissions, which has not been thoroughly tested with biodiesels. Poultry fat is chosen because of its sustainability characteristics, ease of availability, and high yields of oil to produce biodiesel. To conduct this study, the engine is instrumented with sensors and data acquisition equipment and tested using a dynamometer. Data from both the biodiesel blends and the low sulfur diesel is collected from running the engine at 100% full power for increments of 200 rpm in speed; 2,000-2,600 rpm. NOx emissions vary according to different engine parameters, but overall efficiency is maintained around 31%. Fuel consumption increases by 7-12% depending upon speed and fuel blend, but desired power is maintained with no engine damage or modifications.

Investigation of the Combustion, Emissions, and Engine Performance Characteristics

Investigation of the Combustion, Emissions, and Engine Performance Characteristics PDF Author: David Henry Nelson
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages : 191

Get Book Here

Book Description
Author's abstract: Bio-fuels and emissions are of great concern today with limited petroleum resources, and increasingly strict regulations by the Environmental Protection Agency on combustion emissions. In this study, a single cylinder, naturally aspirated diesel engine with a separate three vortex combustion chamber is used to investigate combustion and emissions of low sulfur diesel with comparison to blends of biodiesel with diesel. The separate combustion chamber is designed to help reduce emissions, which has not been thoroughly tested with biodiesels. Poultry fat is chosen because of its sustainability characteristics, ease of availability, and high yields of oil to produce biodiesel. To conduct this study, the engine is instrumented with sensors and data acquisition equipment and tested using a dynamometer. Data from both the biodiesel blends and the low sulfur diesel is collected from running the engine at 100% full power for increments of 200 rpm in speed; 2,000-2,600 rpm. NOx emissions vary according to different engine parameters, but overall efficiency is maintained around 31%. Fuel consumption increases by 7-12% depending upon speed and fuel blend, but desired power is maintained with no engine damage or modifications.

HCCI and CAI Engines for the Automotive Industry

HCCI and CAI Engines for the Automotive Industry PDF Author: Hua Zhao
Publisher: CRC Press
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 562

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Book Description
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.

Investigation of the Combustion, Emissions, and Engine Performance Characteristics of Cottonseed Biodiesel for Use in Power Generation

Investigation of the Combustion, Emissions, and Engine Performance Characteristics of Cottonseed Biodiesel for Use in Power Generation PDF Author: Jabeous Weaver
Publisher:
ISBN:
Category : Cottonseed products
Languages : en
Pages : 157

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Book Description
Author's abstract: This study investigates the combustion characteristics of cotton seed FAME (C100 and C20), in a direct injection diesel engine. The research compares the combustion and emissions characteristics of cotton seed FAME to ultra-low sulfur diesel #2 (ULSD#2) to investigate possible use in a startup boiler to produce steam for large boiler operation, and for use in diesel engine generators. Fuel properties including viscosity, oxidation stability, lower heating value, thermo-gravimetric and differential thermal analysis, and spray characteristics were analyzed. Fuel property measurements were comparable to ULSD#2 in every aspect except oxidation stability which showed the C100 being stable for a shorter period of time. Mechanical efficiency of ULSD was 83% and presented a 5% decrease for C100; while the overall efficiency was 36% for ULSD and 33% for C100 at 8 bar IMEP. The NOX for C100 was improved and presented an 11% decrease compared with ULSD. Unburned hydrocarbons value (UHC) for ULSD was 2.8 g/kWh at 8 bar IMEP, and were improved by 18% for C100. The carbon monoxide (CO) and carbon dioxide (CO2) emissions for C100 was improved with a 17% reduction compared with ULSD at 3 bar but were relatively constant at 8 bar IMEP, presenting a value of 0.82 g/kWh for both fuels. The soot value for ULSD was 1.5 2g/kWh and presented an improved 42% decrease for C100 at 8 bar IMEP. The results suggest a very good performance of cotton seed biodiesel, even at very high content of 100%, especially on the emissions side that showed decreasing values for regulated and non-regulated species.

Characteristics and Control of Low Temperature Combustion Engines

Characteristics and Control of Low Temperature Combustion Engines PDF Author: Rakesh Kumar Maurya
Publisher: Springer
ISBN: 3319685082
Category : Technology & Engineering
Languages : en
Pages : 553

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Book Description
This book deals with novel advanced engine combustion technologies having potential of high fuel conversion efficiency along with ultralow NOx and particulate matter (PM) emissions. It offers insight into advanced combustion modes for efficient utilization of gasoline like fuels. Fundamentals of various advanced low temperature combustion (LTC) systems such as HCCI, PCCI, PPC and RCCI engines and their fuel quality requirements are also discussed. Detailed performance, combustion and emissions characteristics of futuristic engine technologies such as PPC and RCCI employing conventional as well as alternative fuels are analyzed and discussed. Special emphasis is placed on soot particle number emission characterization, high load limiting constraints, and fuel effects on combustion characteristics in LTC engines. For closed loop combustion control of LTC engines, sensors, actuators and control strategies are also discussed. The book should prove useful to a broad audience, including graduate students, researchers, and professionals Offers novel technologies for improved and efficient utilization of gasoline like fuels; Deals with most advanced and futuristic engine combustion modes such as PPC and RCCI; Comprehensible presentation of the performance, combustion and emissions characteristics of low temperature combustion (LTC) engines; Deals with closed loop combustion control of advanced LTC engines; State-of-the-art technology book that concisely summarizes the recent advancements in LTC technology. .

Biodiesel, Combustion, Performance and Emissions Characteristics

Biodiesel, Combustion, Performance and Emissions Characteristics PDF Author: Semakula Maroa
Publisher: Springer Nature
ISBN: 3030511669
Category : Technology & Engineering
Languages : en
Pages : 152

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Book Description
This book focuses on biodiesel combustion, including biodiesel performance, emissions and control. It brings together a range of international research in combustion studies in order to offer a comprehensive resource for researchers, students and academics alike. The book begins with an introduction to biodiesel combustion, followed by a discussion of NOx formation routes. It then addresses biodiesel production processes and oil feedstocks in detail, discusses the physiochemical properties of biodiesel, and explores the benefits and drawbacks of these properties. Factors influencing the formation of emissions, including NOx emissions, are also dealt with thoroughly. Lastly, the book discusses the mechanisms of pollution and different approaches used to reduce pollutants in connection with biodiesel. Each approach is considered in detail, and diagrams are provided to illustrate the points in line with industry standard control mechanisms.

Advances in Internal Combustion Engine Research

Advances in Internal Combustion Engine Research PDF Author: Dhananjay Kumar Srivastava
Publisher: Springer
ISBN: 9811075751
Category : Technology & Engineering
Languages : en
Pages : 346

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Book Description
This book discusses all aspects of advanced engine technologies, and describes the role of alternative fuels and solution-based modeling studies in meeting the increasingly higher standards of the automotive industry. By promoting research into more efficient and environment-friendly combustion technologies, it helps enable researchers to develop higher-power engines with lower fuel consumption, emissions, and noise levels. Over the course of 12 chapters, it covers research in areas such as homogeneous charge compression ignition (HCCI) combustion and control strategies, the use of alternative fuels and additives in combination with new combustion technology and novel approaches to recover the pumping loss in the spark ignition engine. The book will serve as a valuable resource for academic researchers and professional automotive engineers alike.

Green Diesel Engines

Green Diesel Engines PDF Author: Breda Kegl
Publisher: Springer Science & Business Media
ISBN: 1447153251
Category : Technology & Engineering
Languages : en
Pages : 265

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Book Description
With a focus on ecology, economy and engine performance, diesel engines are explored in relation to current research and developments. The prevalent trends in this development are outlined with particular focus on the most frequently used alternative fuels in diesel engines; the properties of various type of biodiesel and the concurrent improvement of diesel engine characteristics using numeric optimization alongside current investigation and research work in the field. Following of a short overview of engine control, aftertreatment and alternative fuels, Green Diesel Engine explores the effects of biodiesel usage on injection, fuel spray, combustion, and tribology characteristics, and engine performance. Additionally, optimization procedures of diesel engine characteristics are discussed using practical examples and each topic is corroborated and supported by current research and detailed illustrations. This thorough discussion provides a solid foundation in the current research but also a starting point for fresh ideas for engineers involved in developing/adjusting diesel engines for usage of alternative fuels, researchers in renewable energy, as well as to engineers, advanced undergraduates, and postgraduates.

Internal Combustion Engines

Internal Combustion Engines PDF Author: Institution of Mechanical Engineers
Publisher: Woodhead Publishing
ISBN: 178242184X
Category : Technology & Engineering
Languages : en
Pages : 263

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Book Description
This book presents the papers from the Internal Combustion Engines: Performance, fuel economy and emissions held in London, UK. This popular international conference from the Institution of Mechanical Engineers provides a forum for IC engine experts looking closely at 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. These are exciting times to be working in the IC engine field. With the move towards downsizing, advances in FIE and alternative fuels, new engine architectures and the introduction of Euro 6 in 2014, there are plenty of challenges. The aim remains to reduce both CO2 emissions and the dependence on oil-derivate fossil fuels whilst meeting the future, more stringent constraints on gaseous and particulate material emissions as set by EU, North American and Japanese regulations. How will technology developments enhance performance and shape the next generation of designs? The book introduces compression and internal combustion engines' applications, followed by chapters on the challenges faced by alternative fuels and fuel delivery. The remaining chapters explore current improvements in combustion, pollution prevention strategies and data comparisons. - Presents the latest requirements and challenges for personal transport applications - Gives an insight into the technical advances and research going on in the IC Engines field - Provides the latest developments in compression and spark ignition engines for light and heavy-duty applications, automotive and other markets

Practical Diesel-Engine Combusion Analysis

Practical Diesel-Engine Combusion Analysis PDF Author: Bertrand Hsu
Publisher: SAE International
ISBN: 076804166X
Category : Technology & Engineering
Languages : en
Pages : 161

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Book Description
The diesel engine is one of the most efficient types of heat engines and is widely used as a prime mover for many applications. In recent years, with the aid of modern computers, engine combustion modeling has made great progress. However, due to the complexities of the processes involved in the practical diesel engine, there are still too many unknowns preventing computational prediction to have the accuracy level required by industry. This book examines some basic characteristics of diesel engine combustion process, and describes the commonly used tool to analyze combustion - heat release analysis. It addition, Practical Diesel-Engine Combustion Analysis describes the performance changes that might be encountered in the engine user environment, with a goal of helping the reader analyze his own practical combustion problems. Chapters include: Combustion and Fuel-Injection Processes in the Diesel Engine Heat Release and its Effect on Engine Performance Alternate Fuels Combustion Analysis and more

Application of Clean Fuels in Combustion Engines

Application of Clean Fuels in Combustion Engines PDF Author: Gabriele Di Blasio
Publisher: Springer Nature
ISBN: 981168751X
Category : Technology & Engineering
Languages : en
Pages : 251

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Book Description
This book discusses the impact of fuels characteristics and their effects on the combustion processes in internal combustion engines. It includes the analysis of a variety of biofuels (alcohol fuels and biodiesel) and biogases (natural gas, hydrogen, etc.), providing valuable information related to consequent effects on performance and emissions. The contents focus on recent results and current trends of fuel utilization in the transport sector. State-of-the-art of clean fuels application are also discussed. Thighs book will be of interest to those in academia and industry involved in fuels, IC engines, engine instrumentation, and environmental research.