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Author : SH GOWTHAM GUDIMELLA.
Publisher :
ISBN 13 : 9788193278475
Total Pages : pages
Book Rating : 4.2/5 (784 download)
Download or read book ACOUSTIC BREAKOUT NOISE FROM NON-CIRCULAR MUFFLER SHELLS. written by SH GOWTHAM GUDIMELLA. and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : SH Gowtham Gudimella
Publisher : CSMFL Publications
ISBN 13 : 8193278461
Total Pages : 111 pages
Book Rating : 4.1/5 (932 download)
Download or read book Acoustic Breakout Noise From Non-Circular Muffler Shells written by SH Gowtham Gudimella and published by CSMFL Publications. This book was released on 2018-04-02 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: A theoretical treatment of sound transmission through the walls of non-circular muffler shell is done for plane mode transmission within the muffler shell. Non-circular muffler shells include distorted circular (due to the welding seam), elliptical (oval) and flat-oval shells. An analytical formulation has been developed in this thesis in order to predict the breakout noise with the acoustical and structural wave coupling phenomena. First, progressive wave model is chosen. Then, the Transverse Transmission Loss (TTL) is predicted at different frequencies of interest. This formulation is extended to the standing wave model by which results for anechoic, rigid end and open end boundary conditions are obtained. Transverse transmission loss (TTL) predicted, based on the analytical model, is compared and validated with computational results using a commercial 3-D numerical simulation (vibro-acoustic) software package like SYSNOISE. Same model is used for non-circular shell with flat-oval configuration. And also breakout noise obtained from different configurations like circular, elliptical, flat-oval, rectangular and square, all having the same equivalent radius, are compared. Finally, by incorporating effects of finite length of the muffler and end plates, analytical model has been developed for a circular shell. Parametric studies have been done wherever required to evolve the design guidelines which will be helpful for designers.
Author : M. L. Munjal
Publisher : John Wiley & Sons
ISBN 13 : 9780471847380
Total Pages : 360 pages
Book Rating : 4.8/5 (473 download)
Download or read book Acoustics of Ducts and Mufflers With Application to Exhaust and Ventilation System Design written by M. L. Munjal and published by John Wiley & Sons. This book was released on 1987-05-08 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analysis of the major topics in sound suppression and noise control for the analysis and design of acoustical mufflers, air conditioning and ventilation duct work. Both fundamentals and the latest technology are discussed, with an emphasis on applications.
Author :
Publisher :
ISBN 13 : 9780837498089
Total Pages : 140 pages
Book Rating : 4.4/5 (98 download)
Download or read book Young Students Learning Library written by and published by . This book was released on 1994 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David A. Bies
Publisher : CRC Press
ISBN 13 : 149872406X
Total Pages : 826 pages
Book Rating : 4.4/5 (987 download)
Download or read book Engineering Noise Control written by David A. Bies and published by CRC Press. This book was released on 2017-12-01 with total page 826 pages. Available in PDF, EPUB and Kindle. Book excerpt: This classic and authoritative student textbook contains information that is not over simplified and can be used to solve the real world problems encountered by noise and vibration consultants as well as the more straightforward ones handled by engineers and occupational hygienists in industry. The book covers the fundamentals of acoustics, theoretical concepts and practical application of current noise control technology. It aims to be as comprehensive as possible while still covering important concepts in sufficient detail to engender a deep understanding of the foundations upon which noise control technology is built. Topics which are extensively developed or overhauled from the fourth edition include sound propagation outdoors, amplitude modulation, hearing protection, frequency analysis, muffling devices (including 4-pole analysis and self noise), sound transmission through partitions, finite element analysis, statistical energy analysis and transportation noise. For those who are already well versed in the art and science of noise control, the book will provide an extremely useful reference. A wide range of example problems that are linked to noise control practice are available on www.causalsystems.com for free download.
Author : Marshall Long
Publisher : Academic Press
ISBN 13 : 0123982650
Total Pages : 984 pages
Book Rating : 4.1/5 (239 download)
Download or read book Architectural Acoustics written by Marshall Long and published by Academic Press. This book was released on 2014-02-05 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt: Architectural Acoustics, Second Edition presents a thorough technical overview of the discipline, from basic concepts to specific design advice. Beginning with a brief history, it reviews the fundamentals of acoustics, human perception and reaction to sound, acoustic noise measurements, noise metrics, and environmental noise characterization. In-depth treatment is given to the theoretical principles and practical applications of wave acoustics, sound transmission, vibration and vibration isolation, and noise transmission in floors and mechanical systems. Chapters on specific design problems demonstrate how to apply the theory, including treatment of multifamily dwellings, office buildings, rooms for speech, rooms for music, multipurpose rooms, auditoriums, sanctuaries, studios, listening rooms, and the design of sound reinforcement systems. Detailed figures illustrate the practical applications of acoustic principles, showing how to implement design ideas in actual structures. This compendium of theoretical and practical design information brings the relevant concepts, equations, techniques, and specific design problems together in one place, including both fundamentals and more advanced material. Practicing engineers will find it an invaluable reference for their daily work, while advanced students will appreciate its rigorous treatment of the basic building blocks of acoustical theory. Considered the most complete resource in the field – includes basic fundamental relations, derived from first principles, and examples needed to solve real engineering problems. Provides a well-organized text for students first approaching the subject as well as a reliable reference for experienced practitioners looking to refresh their technical knowledge base. New content for developing professionals includes case studies and coverage of specific focus areas such as audio visual design, theaters, and concert halls.
Author : Dr. Dennis Koyama
Publisher : CSMFL Publications
ISBN 13 : 8194848369
Total Pages : 358 pages
Book Rating : 4.1/5 (948 download)
Download or read book Development of Innovative Pedagogical Practices for a Modern Learning Experience written by Dr. Dennis Koyama and published by CSMFL Publications. This book was released on 2021-12-20 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the current volume, the selected studies have been grouped into three thematic sections, presenting readers with a set of distinct but related research on meaningful issues for a modern learning experience. The first three chapters present professional and teacher development perspectives and collectively shed light on how to develop, maintain, and improve pre and in-service teacher training and professional development. The second set of four chapters provide research findings that describe the results of direct applications of modern learning elements through course assignments and teaching approaches. The final five chapters focus on critical thinking and range in their focus from classroom-based studies to full-scale curriculum reform. The collection of chapters presented in this volume represents the eclectic nature of modern learning experiences and demonstrate its applicability across educational contexts and disciplines. The chapters resonate with other educational researchers in search of novel ways of creating, facilitating, and investigating modern learning experiences.
Author : Daniela Siano
Publisher : BoD – Books on Demand
ISBN 13 : 1839682396
Total Pages : 174 pages
Book Rating : 4.8/5 (396 download)
Download or read book Noise and Environment written by Daniela Siano and published by BoD – Books on Demand. This book was released on 2021-02-03 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noise pollution is one of the factors that affect the quality of life of the general population, especially in urban areas, where the noise levels are often high due to the presence of numerous sources, such as transport infrastructures, activities production and commercial areas, entertainment venues and other sound sources which, although temporary, such as construction sites and outdoor music events, affect general noise levels. Even if noise is one of the oldest pollutants referred to in history, for years, the problem of noise pollution has been often considered less important than others related to the environment, such as air pollution, water pollution, and waste management.The regulations in force to contain the noise have become increasingly stringent as each individual is constantly exposed to noise and often the noise is treated just as a scourge of modern society. Making noise is becoming easier and cheaper each day, but just the opposite for controlling it. Deeper studies are needed to understand the core of current noise problems; new materials and techniques are needed to control them. This book is a combination of theory and practice based on the latest research. The studies in this book range from evaluation methods for the perception of noise and outline forecast criteria that can be integrated with applications for acoustic mapping as well as the use of innovative techniques and materials for its abatement. The main purpose of this book, organized in 8 chapters, is to provide an overview of the recent studies in this field and the applications in different research studies. The authors, contributing to the success of this book, provide a series of practical applications of their recent studies aimed at the reduction of noise in different environments. The editors would like to thank all the authors who, through their studies and research, have accepted our invitation to share recent discoveries in this field with the scientific community.
Author : Michael Ermann
Publisher : John Wiley & Sons
ISBN 13 : 1118986903
Total Pages : 272 pages
Book Rating : 4.1/5 (189 download)
Download or read book Architectural Acoustics Illustrated written by Michael Ermann and published by John Wiley & Sons. This book was released on 2015-01-16 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unite the science of sound and the principles of design toenhance any space Architectural Acoustics Illustrated translates thequantitative and qualitative content of acoustics into the graphiclanguage of architecture. This highly-visual guide includes over350 illustrations that outline the physics of sound and the bestdesign practices for limiting or mitigating noise in buildings byusing the latest in materials and techniques. Each chapter includesa summary checklist of design guidelines to help prevent mistakesand oversights, and the Instructor's website offers videoanimations demonstrating acoustical concepts. Designed as a "firstlook" at the interaction of sound and space, the book explains theprinciples of architectural acoustics and their practicalapplications, providing a comprehensive guide for designing withacoustics in mind. Architectural acoustics is more than just concert halls –it may determine building placement, division of interior space,exterior construction, and even siting. When addressed early in thedesign process, the resulting space can be free of unwanted soundand promote good hearing; if left unaddressed, the problems withthe space can lead to lawsuits and costly post-constructionremediation. Architectural Acoustics Illustrated helpsdesigners solve most acoustical problems in advance, by enablingreaders to: Understand the physical science underlying the behavior ofsound Consider the interactions of sound and space in the initialdesign approach Mitigate building sounds such as those produced by HVAC andplumbing with early design planning Design spaces for listening, and incorporate acoustics bestpractices into every plan The highly visual format of the book helps readers grasp complexconcepts quickly, and thorough discussion of each concept'sreal-world application ties the science directly into the designprocess. All design professionals need to have a fundamentalunderstanding of acoustics, and Architectural AcousticsIllustrated is a comprehensive, practical guide in aneasy-to-read format.
Author : M. L. Munjal
Publisher : John Wiley & Sons
ISBN 13 : 1118443098
Total Pages : 379 pages
Book Rating : 4.1/5 (184 download)
Download or read book Acoustics of Ducts and Mufflers written by M. L. Munjal and published by John Wiley & Sons. This book was released on 2014-02-04 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fully updated second edition of the premier reference book on muffler and lined duct acoustical performance Engine exhaust noise pollutes the street environment and ventilation fan noise enters dwellings along with fresh air. People have become conscious of their working environment. Governments of most countries have responded to popular demand with mandatory restrictions on sound emitted by automotive engines, and a thorough knowledge of acoustics of ducts and mufflers is needed for the design of efficient muffler configurations. This fully updated Second Edition of Acoustics of Ducts and Mufflers deals with propagation, reflection and dissipation/absorption of sound along ducts/pipes/tubes, area discontinuities, perforated elements and absorptive linings that constitute the present-day mufflers and silencers designed to control noise of exhaust and intake systems of automotive engines, diesel-generator sets, compressors and HVAC systems. It includes equations, figures, tables, references, and solved examples and unsolved exercises with answers, so it can be used as a text book as well as a reference book. It also offers a complete presentation and analysis of the major topics in sound suppression and noise control for the analysis and design of acoustical mufflers, air conditioning and ventilation duct work. Both the fundamentals and the latest technology are discussed, with an emphasis on applications. Deals with reactive mufflers, dissipative silencers, the frequency-domain approach, and the time-domain approach. Fully updated second edition of the premier reference book on muffler and lined duct acoustical performance, in one complete volume Presents original new research on topics including baffle silencers and louvers, 3D analytical techniques, and flow-acoustic analysis of multiply-connected perforated-element mufflers Includes a general design procedure to help muffler designers in the automotive industry, exhaust noise being a major component of automobile and traffic noise pollution Written by an expert with four decades’ experience in teaching to graduate students, publishing extensively in reputed international journals, and consulting with industry for noise control as well as designing for quietness
Author : Leo Leroy Beranek
Publisher : McGraw-Hill Companies
ISBN 13 :
Total Pages : 680 pages
Book Rating : 4.3/5 (91 download)
Download or read book Noise and Vibration Control written by Leo Leroy Beranek and published by McGraw-Hill Companies. This book was released on 1971 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J Robert Mondt
Publisher : SAE International
ISBN 13 : 0768028574
Total Pages : 284 pages
Book Rating : 4.7/5 (68 download)
Download or read book Cleaner Cars written by J Robert Mondt and published by SAE International. This book was released on 2000-01-28 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book chronicles a 35-year success story - the technology that was developed and the progress that was made to achieve the goal of reducing air pollution from automobiles. "Air pollution from automobiles as of the year 2000 will have been lowered to levels less than 5% of those for pre-control era vehicles," writes author J. Robert Mondt, who spent over 30 years working on the development of emission control systems for automobiles. Mondt covers both the technological and political aspects of this effort, from the early environmental concerns in California to the Clean Air Acts of the 1960s to the introduction of catalytic converters in 1975. He also covers the revised Clean Air Acts of the 1960s to the introduction of catalytic converters in 1975.
Author : United States. Office of Noise Abatement Control
Publisher :
ISBN 13 :
Total Pages : 358 pages
Book Rating : 4.3/5 (121 download)
Download or read book Regulatory Analysis for the Noise Emission Regulations for Motorcycles and Motorcycle Exhaust Systems written by United States. Office of Noise Abatement Control and published by . This book was released on 1980 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Office of the Chief of Naval Operations
Publisher :
ISBN 13 :
Total Pages : 828 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Naval Aviation Maintenance Program (NAMP).: Maintenance data systems written by United States. Office of the Chief of Naval Operations and published by . This book was released on 1990 with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark E. Schaffer
Publisher : American Society of Heating Refrigerating and Air-Conditioning Engineers
ISBN 13 : 9781936504022
Total Pages : 0 pages
Book Rating : 4.5/5 (4 download)
Download or read book A Practical Guide to Noise and Vibration Control for HVAC Systems written by Mark E. Schaffer and published by American Society of Heating Refrigerating and Air-Conditioning Engineers. This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition of the guide, now in SI units, highlights the acoustical features of a wide range of HVAC system components along with many noise and vibration control products, and offers strategies for selecting equipment and designing systems. Based on comments from readers of the first edition, the guide has been reorganized for easier use and includes more charts, tables, and photographs. The original publication was made possible by funds from ASHRAE research.
Author : Michael E. Haas
Publisher : DIANE Publishing
ISBN 13 : 9780788149832
Total Pages : 388 pages
Book Rating : 4.1/5 (498 download)
Download or read book Apollo's Warriors written by Michael E. Haas and published by DIANE Publishing. This book was released on 1998-05 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presenting a fascinating insider's view of U.S.A.F. special operations, this volume brings to life the critical contributions these forces have made to the exercise of air & space power. Focusing in particular on the period between the Korean War & the Indochina wars of 1950-1979, the accounts of numerous missions are profusely illustrated with photos & maps. Includes a discussion of AF operations in Europe during WWII, as well as profiles of Air Commandos who performed above & beyond the call of duty. Reflects on the need for financial & political support for restoration of the forces. Bibliography. Extensive photos & maps. Charts & tables.
Author : Paul Brians
Publisher : Franklin, Beedle & Associates, Inc.
ISBN 13 : 1887902899
Total Pages : 261 pages
Book Rating : 4.8/5 (879 download)
Download or read book Common Errors in English Usage written by Paul Brians and published by Franklin, Beedle & Associates, Inc.. This book was released on 2003 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: Online version of Common Errors in English Usage written by Paul Brians.
