Groove Shape Optimization On Dry Gas Seals
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Author | : Masayuki Ochiai |
Publisher | : |
Total Pages | : 0 |
Release | : 2020 |
Genre | : Electronic books |
ISBN | : |
In this paper, a topological optimum design for the shape of a groove in a dry gas seal is described. Dry gas seals are widely used in high speed and high pressure rotating machinery such as gas turbines, compressors, and so on because of their high reliability compared to other types of seals. However, recent requirements for reducing emission with further control of leakage are in order. With this background, we propose applying topological optimization to the groove shape in a dry gas seal to reduce its leakage while keeping its stiffness for safe operation. First, the method of topological optimum design as applied to the groove of a dry gas seal is explained via numerical analysis. Next, results of the topological optimization are shown via categorizing an optimum shape map. Finally, the mechanism of reducing the gas leakage with an optimized seal is discussed based on the prediction of the flow field using a CFD analysis.
Author | : Giuseppe Pintaude |
Publisher | : BoD – Books on Demand |
Total Pages | : 284 |
Release | : 2022-06-28 |
Genre | : Technology & Engineering |
ISBN | : 1839698934 |
Tribology is a branch of science that deals with machine elements and their friction, wear, and lubrication. Tribology of Machine Elements - Fundamentals and Applications presents the fundamentals of tribology, with chapters on its applications in engines, metal forming, seals, blasting, sintering, laser texture, biomaterials, and grinding.
Author | : Sivaramakrishnan Srinivasan |
Publisher | : |
Total Pages | : 104 |
Release | : 2003 |
Genre | : Sealing (Technology) |
ISBN | : |
"A parametric investigation has been performed to study the effects of variations in design parameters and operating conditions on the dynamic tracking abilities of spiral grooved gas face seals. This analysis is limited to a mechanical seal in a flexibly mounted stator configuration."--Abstract, p. iv.
Author | : Joe Delrahim |
Publisher | : |
Total Pages | : |
Release | : 2005 |
Genre | : Chemical engineering |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 2692 |
Release | : 2002 |
Genre | : Chemistry |
ISBN | : |
Author | : Bernard J. Hamrock |
Publisher | : CRC Press |
Total Pages | : 794 |
Release | : 2004-03-15 |
Genre | : Technology & Engineering |
ISBN | : 1135537755 |
Specifically focusing on fluid film, hydrodynamic, and elastohydrodynamic lubrication, this edition studies the most important principles of fluid film lubrication for the correct design of bearings, gears, and rolling operations, and for the prevention of friction and wear in engineering designs. It explains various theories, procedures, and equations for improved solutions to machining challenges. Providing more than 1120 display equations and an introductory section in each chapter, Fundamentals of Fluid Film Lubrication, Second Edition facilitates the analysis of any machine element that uses fluid film lubrication and strengthens understanding of critical design concepts.
Author | : Ronald Horace Warring |
Publisher | : |
Total Pages | : 452 |
Release | : 1981 |
Genre | : Sealing (Technology) |
ISBN | : |
Author | : Andrew Ball |
Publisher | : Springer Nature |
Total Pages | : 1566 |
Release | : 2020-08-27 |
Genre | : Technology & Engineering |
ISBN | : 3030577457 |
This book gathers select contributions from the 32nd International Congress and Exhibition on Condition Monitoring and Diagnostic Engineering Management (COMADEM 2019), held at the University of Huddersfield, UK in September 2019, and jointly organized by the University of Huddersfield and COMADEM International. The aim of the Congress was to promote awareness of the rapidly emerging interdisciplinary areas of condition monitoring and diagnostic engineering management. The contents discuss the latest tools and techniques in the multidisciplinary field of performance monitoring, root cause failure modes analysis, failure diagnosis, prognosis, and proactive management of industrial systems. There is a special focus on digitally enabled asset management and covers several topics such as condition monitoring, maintenance, structural health monitoring, non-destructive testing and other allied areas. Bringing together expert contributions from academia and industry, this book will be a valuable resource for those interested in latest condition monitoring and asset management techniques.
Author | : Meherwan P. Boyce |
Publisher | : Elsevier |
Total Pages | : 956 |
Release | : 2017-09-01 |
Genre | : Mathematics |
ISBN | : 0080456898 |
The Gas Turbine Engineering Handbook has been the standard for engineers involved in the design, selection, and operation of gas turbines. This revision includes new case histories, the latest techniques, and new designs to comply with recently passed legislation. By keeping the book up to date with new, emerging topics, Boyce ensures that this book will remain the standard and most widely used book in this field. The new Third Edition of the Gas Turbine Engineering Hand Book updates the book to cover the new generation of Advanced gas Turbines. It examines the benefit and some of the major problems that have been encountered by these new turbines. The book keeps abreast of the environmental changes and the industries answer to these new regulations. A new chapter on case histories has been added to enable the engineer in the field to keep abreast of problems that are being encountered and the solutions that have resulted in solving them. Comprehensive treatment of Gas Turbines from Design to Operation and Maintenance. In depth treatment of Compressors with emphasis on surge, rotating stall, and choke; Combustors with emphasis on Dry Low NOx Combustors; and Turbines with emphasis on Metallurgy and new cooling schemes. An excellent introductory book for the student and field engineers A special maintenance section dealing with the advanced gas turbines, and special diagnostic charts have been provided that will enable the reader to troubleshoot problems he encounters in the field The third edition consists of many Case Histories of Gas Turbine problems. This should enable the field engineer to avoid some of these same generic problems
Author | : Paul Hanlon |
Publisher | : McGraw Hill Professional |
Total Pages | : 780 |
Release | : 2001-02-02 |
Genre | : Technology & Engineering |
ISBN | : 0071414665 |
The benchmark guide for compressor technology pros You don't have to scour piles of technical literature for compressor answers any longer. The Compressor Handbook compiled by Paul Hanlon packs all the answers on design procedures, practical application, and maintenance of compressors—straight from top experts on these widely used machines. You get details on everything from fundamentals and theory to advanced applications, techniques, and today's materials -- including sought-after data on compressors that inflate tires, spray paint, increase the density of natural gas, or perform any of a myriad of other important industrial and day-to-day functions. This fully illustrated Handbook can help you: Understand the structure and operation of compressors of all types Design or select compressors for any use, from power-cleaning to chemical processes Follow step-by-step design procedures for fewer errors and optimized results Specify leading-edge materials, components, and lubricants Operate and maintain all types of compressors at peak efficiency Answer questions on and provide designs for ancillary and auxiliary equipment Invent new applications for compressor technology Easily find tabular data on gas properties, efficiency curves, compression ratios, and horsepower, plus definitions of nomenclature