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Author : J. A. McGeehan
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (463 download)
Download or read book Mechanism of Wear Control by the Lubricant in Diesel Engines written by J. A. McGeehan and published by . This book was released on 1987 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (727 download)
Download or read book Wear Mechanism and Wear Prevention in Coal-fueled Diesel Engines written by and published by . This book was released on 1989 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this program is to develop the engine and lubricant system design approach that has the highest probability for commercial acceptance. Several specific objectives can also be identified. These objectives include: definition of the dominant wear mechanisms prevailing in coal-fueled diesel engines; definition of the specific effect of each coal-related lube oil contaminant; determination of the potential of traditional engine lubrication design approaches to either solve or mitigate the effects of the coal related lube oil contaminants; evaluation of several different engine design approaches aimed specifically at preventing lube oil contamination or preventing damage due to lube oil contamination; and presentation of the engine/lubricant system design determined to have the most potential. 2 figs., 3 tabs.
Author : Mihir Patel
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.:/5 (896 download)
Download or read book Fundamental Understanding of Soot Induced Wear Mechanism of Diesel Engine written by Mihir Patel and published by . This book was released on 2014 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emission of Oxides of nitrogen and particulates matters from diesel engines have been reduced by implementing exhaust gas recirculation (EGR) protocols but at the expense of increased wear of engine components. This problem is aggravated by Environment Protection Agency (EPA) regulation such as API CJ 4 and SAPS where chemical limits have been places on the amount of phosphorous, sulfur and sulfated ash in lubrication oil. Several studies have examined the role played by diesel soot on enhanced wear but none have provided comprehensive mechanism. This would allow the possibility to comprehend fundamental understanding of soot induced wear mechanism of diesel engine. This work begins with a study of the structure, composition and morphology of diesel soot extracted from the drain interval crankcase oil of the commercially operated diesel engine to comprehend the interaction between lubrication additives chemistries and diesel soot. The interaction was comprehended by characterizing diesel soot using Transmission Electron Microscopy (TEM), Synchrotron X-ray Diffraction, Raman Spectroscopy (SR-XRD), X-ray Absorption Near Edge Spectroscopy (XANES) and High-resolution Transmission Electron Microscopy (HRTEM). The tribological assessment of the lubricant formulation blended with diesel soot was conducted using four ball wear tester and SRV friction tester. Laboratory simulation was carried out understand the interaction between lubricants additives chemistries and carbon black (soot surrogate). Carbon black was blended with lubricants and treated in various conditions to forced the interaction and thereby comprehend the conditions that are responsible to induced the interaction between carbon black (soot surrogate) and lubricants additives chemistries. XANES, TEM and Raman spectroscopy were used to study the structure, composition and morphology of extracted carbon black and compared with diesel soot. Four ball wear tested and SRV friction test were employed for tribological evaluation. SEM was used to understand the morphology of wear track. Diesel soots were also extracted from the dynamometer diesel engine tests such as Mack T 8A, Mack T 11, Mack T 12, Cummins ISM, Cummins ISM, GM RFWT. Diesel soots extracted from the drain interval crankcase oil of the dynamometer tests have experienced controlled engine operation. Studies were conducted to correlate the effect of operational parameters such as load, speed, temperature and oil chemistries of the dynamometer engine test and structure and composition of diesel soot. Engine components such as piston ring, header, roller follower pin were also investigated to understand the effect of diesel soot on tribofilm formation and its structure. XANES, HRTEM, SR-XRD, Raman spectroscopy, SEM were used to examine the soot and tribofilm.
Author :
Publisher :
ISBN 13 :
Total Pages : 49 pages
Book Rating : 4.:/5 (727 download)
Download or read book Wear Mechanism and Wear Prevention in Coal-fueled Diesel Engines. Task 3, Traditional Approaches to Wear Prevention written by and published by . This book was released on 1991 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contamination of the lube-oil with hard abrasive particles leads to a three-body abrasive wear mechanism that highly accelerates piston ring/cylinder liner wear in coal-fueled diesel engines. One approach to reducing that wear is to modify the size and orientation of surface asperities on the cylinder to enhance the formation of a hydrodynamic film, and to provide avenues of escape for particles that would otherwise be trapped in the wear zone. Another approach is to introduce additives into the contaminated lube-oil that further enhance hydrodynamic film formation, form chemical films on the wearing surfaces, or form films on the contaminant particles. This work focuses on defining the effects of cylinder liner surface finish, various configurations of slots in the cylinder liner surface, and various additives in the contaminated lube-oil on the wear process. Wear tests were initiated in a bench apparatus using coal-ash contaminated lube-oil to test the various wear configurations. The results of these tests indicate that the formation of a hydrodynamic film between the ring and cylinder specimens is enhanced by increasing surface roughness, and by orienting the surface asperities normal to the direction of ring travel but modifications to the cylinder liner surface did not greatly reduce the wear rate. Additives to the lubricant seemed to have a much more significant effect on wear, with a dispersant additive highly accelerating the wear, while a detergent additive was able to reduce the wear almost to the rate achieved where there was no contaminant.
Author : K. Akiyama
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (467 download)
Download or read book Cylinder Wear Mechanism in an Exhaust Gas Recirculation-equipped Diesel Engine and Wear Protection by the Engine Oil written by K. Akiyama and published by . This book was released on 1987 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Qianfan Xin
Publisher : Elsevier
ISBN 13 : 0857090836
Total Pages : 1087 pages
Book Rating : 4.8/5 (57 download)
Download or read book Diesel Engine System Design written by Qianfan Xin and published by Elsevier. This book was released on 2011-05-26 with total page 1087 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diesel Engine System Design links everything diesel engineers need to know about engine performance and system design in order for them to master all the essential topics quickly and to solve practical design problems. Based on the author's unique experience in the field, it enables engineers to come up with an appropriate specification at an early stage in the product development cycle. Links everything diesel engineers need to know about engine performance and system design featuring essential topics and techniques to solve practical design problems Focuses on engine performance and system integration including important approaches for modelling and analysis Explores fundamental concepts and generic techniques in diesel engine system design incorporating durability, reliability and optimization theories
Author : K. Akiyama
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (113 download)
Download or read book Cylinder Wear Mechanism in an EGR-equipped Diesel Engine and Wear Protection by the Engine Oil written by K. Akiyama and published by . This book was released on 1977 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul I. Lacey
Publisher :
ISBN 13 :
Total Pages : 143 pages
Book Rating : 4.:/5 (227 download)
Download or read book Wear Mechanism Evaluation and Measurement in Fuel-Lubricated Components written by Paul I. Lacey and published by . This book was released on 1994 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt: Previous studies have demonstrated that the durability of some fuel injection systems on compression-ignition engines will be adversely affected by fuels of sufficiently low lubricity. However, no widely accepted lubricity measure is available; indeed, the wear mechanisms present have not been conclusively defined. The results of the present study indicate that oxidative corrosion is the predominant mechanism with very highly processed fuels, resulting in catastrophic wear and rapid failure. A laboratory test procedure directed toward the oxidative wear mechanism was evaluated and a number of modifications suggested. Two closely related laboratory wear test procedures that rely on the transition from mild boundary lubricated wear to adhesive scuffing were also developed. The resulting procedures allow the fuels to be either ranked using a continuous scale or separated using a simple pass/fail criteria. All the procedures are sensitive to the addition of trace quantities of lubricity additives and show directional correlation with refinery severity, as measured by sulfur and aromatic content. As a result, the tests produced excellent correlation with full-scale equipment tests performed at a number of locations, as well as the criteria necessary for oxidative corrosion. However, the scuffing load tests show greatly increased separation between good and unacceptable fluids compared to the oxidative corrosion tests. Evaluation of commercially available fuels indicates that fuel lubricity is decreasing and that very poor lubricity fuels are occasionally observed. Humidity, Boundary lubrication, Corrosive wear, Bench test, Diesel, Viscosity, Corrosion inhibitor, Oxidative wear, Adhesive wear.
Author :
Publisher :
ISBN 13 :
Total Pages : 1044 pages
Book Rating : 4.F/5 ( download)
Download or read book Diesel Progress Engines & Drives written by and published by . This book was released on 1989 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 258 pages
Book Rating : 4.X/5 (4 download)
Download or read book Engine Lubricants, Effects of Fuels & Lubricants on Automotive Devices, and Lubricant Applications & New Test Methods written by and published by . This book was released on 2004 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leslie R. Rudnick
Publisher : CRC Press
ISBN 13 : 0824747402
Total Pages : 766 pages
Book Rating : 4.8/5 (247 download)
Download or read book Lubricant Additives written by Leslie R. Rudnick and published by CRC Press. This book was released on 2003-01-29 with total page 766 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text details the design of cost-effective, environmentally friendly lubricant additive technologies and components for the automotive, industrial, manufacturing, food, and aerospace industries. Presenting methods to improve the performance and stability of lubricants, protect metal surfaces against wear, and to control deposits and contaminant
Author : P. A. Lakshminarayanan
Publisher : John Wiley & Sons
ISBN 13 : 0470828854
Total Pages : 464 pages
Book Rating : 4.4/5 (78 download)
Download or read book Critical Component Wear in Heavy Duty Engines written by P. A. Lakshminarayanan and published by John Wiley & Sons. This book was released on 2011-09-07 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: The critical parts of a heavy duty engine are theoretically designed for infinite life without mechanical fatigue failure. Yet the life of an engine is in reality determined by wear of the critical parts. Even if an engine is designed and built to have normal wear life, abnormal wear takes place either due to special working conditions or increased loading. Understanding abnormal and normal wear enables the engineer to control the external conditions leading to premature wear, or to design the critical parts that have longer wear life and hence lower costs. The literature on wear phenomenon related to engines is scattered in numerous periodicals and books. For the first time, Lakshminarayanan and Nayak bring the tribological aspects of different critical engine components together in one volume, covering key components like the liner, piston, rings, valve, valve train and bearings, with methods to identify and quantify wear. The first book to combine solutions to critical component wear in one volume Presents real world case studies with suitable mathematical models for earth movers, power generators, and sea going vessels Includes material from researchers at Schaeffer Manufacturing (USA), Tekniker (Spain), Fuchs (Germany), BAM (Germany), Kirloskar Oil Engines Ltd (India) and Tarabusi (Spain) Wear simulations and calculations included in the appendices Instructor presentations slides with book figures available from the companion site Critical Component Wear in Heavy Duty Engines is aimed at postgraduates in automotive engineering, engine design, tribology, combustion and practitioners involved in engine R&D for applications such as commercial vehicles, cars, stationary engines (for generators, pumps, etc.), boats and ships. This book is also a key reference for senior undergraduates looking to move onto advanced study in the above topics, consultants and product mangers in industry, as well as engineers involved in design of furnaces, gas turbines, and rocket combustion. Companion website for the book: www.wiley.com/go/lakshmi
Author : R. M. Mortier
Publisher : Springer
ISBN 13 : 1461532728
Total Pages : 318 pages
Book Rating : 4.4/5 (615 download)
Download or read book Chemistry and Technology of Lubricants written by R. M. Mortier and published by Springer. This book was released on 2012-12-06 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use oflubricants began in ancient times and has developed into a major international business through the need to lubricate machines of increasing complexity. The impetus for lubricant development has arisen from need, so lubricatingpractice has preceded an understanding ofthe scientific principles. This is not surprising as the scientific basis of the technology is, by nature, highly complex and interdisciplinary. However, we believe that the under standing of lubricant phenomena will continue to be developed at a mol ecular level to meet future challenges. These challenges will include the control of emissions from internal combustion engines, the reduction of friction and wear in machinery, and continuing improvements to lubricant performanceand life-time. More recently, there has been an increased understanding of the chemical aspects of lubrication, which has complemented the knowledge and under standing gained through studies dealing with physics and engineering. This book aims to bring together this chemical information and present it in a practical way. It is written by chemists who are authorities in the various specialisations within the lubricating industry, and is intended to be of interest to chemists who may already be working in the lubricating industry or in academia, and who are seeking a chemist's view of lubrication. It will also be of benefit to engineers and technologists familiar with the industry who require a more fundamental understanding oflubricants.
Author : George E. Totten
Publisher : CRC Press
ISBN 13 : 0824752686
Total Pages : 922 pages
Book Rating : 4.8/5 (247 download)
Download or read book Surface Modification and Mechanisms written by George E. Totten and published by CRC Press. This book was released on 2004-04-30 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt: Leading readers through an extensive compilation of surface modification reactions and processes for specific tribological results, this reference compiles detailed studies on various residual stresses, reaction processes and mechanisms, heat treatment methods, plasma-based techniques, and more, for a solid understanding of surface structural changes that occur during various engineering procedures. This unique book explores topics previously ignored in other texts on surface engineering and tribology, offers guidelines for the consideration and design of wear life and frictional performance, and sections on laser impingement and nanometer scale surface modification.
Author : Roy M. Mortier
Publisher : Springer Science & Business Media
ISBN 13 : 940171021X
Total Pages : 397 pages
Book Rating : 4.4/5 (17 download)
Download or read book Chemistry and Technology of Lubricants written by Roy M. Mortier and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of lubricants began in ancient times and has developed into a major international business through the need to lubricate machines of increasing complexity. The impetus for lubricant development has arisen from need, so lubricating practice has preceded an understanding of the scientific principles. This is not surprising as the scientific basis of the technology is, by nature, highly complex and interdisciplinary. However, we believe that the understanding of lubricant phenomena will continue to be developed at a molecular level to meet future challenges. These challenges will include the control of emissions from internal combustion engines, the reduction of friction and wear in and continuing improvements to lubricant performance and machinery, life-time. More recently, there has been an increased understanding of the chemical aspects of lubrication, which has complemented the knowledge and understanding gained through studies dealing with physics and engineering. This book aims to bring together this chemical information and present it in a practical way. It is written by chemists who are authorities in the various specialisations within the lubricating industry, and is intended to be of interest to chemists who may already be working in the lubricating industry or in academia, and who are seeking a chemist's view of lubrication. It will also be of benefit to engineers and technologists familiar with the industry who require a more fundamental understanding of lubricants.
Author : United States. Navy Department. Bureau of Ships
Publisher :
ISBN 13 :
Total Pages : 578 pages
Book Rating : 4.F/5 ( download)
Download or read book Bureau of Ships Journal written by United States. Navy Department. Bureau of Ships and published by . This book was released on 1957 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : ASTM International
ISBN 13 :
Total Pages : 1088 pages
Book Rating : 4./5 ( download)
Download or read book Fuels and Lubricants Handbook written by and published by ASTM International. This book was released on with total page 1088 pages. Available in PDF, EPUB and Kindle. Book excerpt:
