Xem 1-20 trên 54 kết quả Engine vibrations
  • Vibrations are a part of our environment and daily life. Many of them are useful and are needed for many purposes, one of the best example being the hearing system. Nevertheless, vibrations are often undesirable and have to be suppressed or reduced, as they may be harmful to structures by generating damages (possibly leading to dramatic and spectacular accidents such as the case of the Aloha 243 fl ight or the bridge of Tacoma Narrows) or compromise the comfort of users through noise generation of mechanical wave transmission to the body....

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  • This book focuses on the very important and diverse field of vibration analysis and control.

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  • This book is a compilation of some selected articles devoted to the analysis and control of vibrations. Vibrations are a phenomenon found in many engineering systems; their harmful effects are translated into low performance, noise, energy misspend, discomfort and system breakdown, among others. These are the reasons why, in the last years, researchers have made great efforts in seeking ways to eliminate them totally or partially.

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  • Vibrations are extremely important in all areas of human activities, for all sciences, technologies and industrial applications. Sometimes these vibrations are harmless, often they can be noticed as noise or cause wear. Vibrations, if they are not desired, can be dangerous. But sensibly organized and controlled vibrations may be pleasant (think of all kinds of music) or vitally imp

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  • Due to the success of the first edition of The Engineering Handbook published in 1995 I am pleased to provide the second edition ten years later fully updated and expanded. Purpose The purpose of The Engineering Handbook, Second Edition is to provide in a single volume a ready reference for the practicing engineer in industry, government, and academia. The book in its comprehensive format is divided into 30 sections which encompass the field of engineering and includes 19 brand new chapters and 131 fully updated contributions.

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  • Tham khảo sách 'the engineering the handbook - second edition ii (end)', khoa học tự nhiên, hoá học phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo sách 'root cause failure analysis plant engineering maintenance series vibration fundamentals r. keith', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • .Drill faster and straighter with the HD712 drifter The Furukawa HD712 drifter combines powerful penetration with agility and easy operation. Equipped with features that maximize efficiency, the HD712 drifter sets the standard in high-performance drilling: Maximize operator performance with the ultimate in ergonomic cab designs. HCR 1200 ED cabs are ergonomically friendly with features that reduce operator fatigue. Cabs are 43" (1,100mm) with ROPS/FOPS standard.

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  • The first edition of the Shock and Vibration Handbook in 1961 brought together for the first time a comprehensive survey of classical shock and vibration theory and current applications of that theory to contemporary engineering practice. Edited by Cyril M. Harris and the late Charles E. Crede, the book was translated into several languages and became the standard reference work throughout the world.The Second Edition appeared in 1976, the Third Edition in 1988, and the Fourth Edition in 1996.

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  • The fundamental concepts, ideas and methods underlying all vibration phenomena are explained and illustrated in this book. The principles of classical linear vibration theory are brought together with vibration measurement, signal processing and random vibration for application to vibration problems in all areas of engineering. The book pays particular attention to the dynamics of structures, but the methods of analysis presented here apply readily to many other fields.

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  • This publication includes two Æ (architectural engineering) handbooks, this one dealing with the design of mechanical systems and related components, the other doing the same with structural systems. Each volume also contains an interactive CD-ROM of its algebraic formulas that enables each equation to be solved quickly and accurately by computer

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  • Many mathematical tools can be used to analyze vibrational systems. One of the first mathemat- ical tools a neophyte engineer learns is calculus. The basics of limits, differentiation, and integration permeate all of engineering mathematics. This chapter offers a cursory review of these topics and uses the mathematics of vibrations to demonstrate how the concepts operate. For more specific information on all these topics, consult relevant sections of this Handbook.

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  • The modelling of mechanical systems provides engineers and students with the methods to model and understand mechanical systems by using both mathematical and computer-based tools. Written by an eminent authority in the field, this is the second of four volumes which provide engineers with a comprehensive resource on this cornerstone mechanical engineering subject. Dealing with continuous systems, this book covers solid mechanics, beams, plates and shells.

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  • This comprehensivereference/text provides a thorough grounding in the fundamentals of rotating machinery vibration-treating computer model building, sources and types of vibration, and machine vibration signal analysis. Illustrating turbomachinery, vibration severity levels, condition monitoring,...

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  • The classic text on helicopter aerodynamics, "Aerodynamics of the Helicopter" has been in continuous print for over fifty years. Clearly written and well illustrated, the book focuses on fundamental physical relationships without a highly complex mathematical development. The emphasis on fundamentals makes the book an ideal - indeed, necessary - first step towards more advanced study.

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  • This book sheds lights on recent advances in Geotechnical Earthquake Engineering with special emphasis on soil liquefaction, soil-structure interaction, seismic safety of dams and underground monuments, mitigation strategies against landslide and fire whirlwind resulting from earthquakes and vibration of a layered rotating plant and Bryan's effect.

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  • CHAPTER 2 9 MEASUREMENTS E. L. Hixson E. A. Ripperger University of Texas Austin, Texas 29.1 STANDARDS AND ACCURACY 29.1.1 Standards 29.1.2 Accuracy and Precision 29. 1 .3 Sensitivity or Resolution 29.1.4 Linearity IMPEDANCE CONCEPTS ERROR ANALYSIS 29.3.1 Introduction 29.3.2 Internal Estimates 917 917 918 918 919 29.4 919 923 923 923 29.3.3 Use of Normal Distribution to Calculate the Probable Error in X 924 29.3.4 External Estimates 925 APPENDIX 29.4.1 Vibration Measurement 29.4.2 Acceleration Measurement 29.4.3 Shock Measurement 29.4.4 Sound Measurement 928 928 928 928 928 29.2 29.

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  • can be done on a test rig out in the main works or sometimes even on the equipment while running normally. However, the basic idea is that pitch, profile and helix errors may combine with tooth bending, gear body distortions and whole gear body deflections to give an overall relative deflection (from smooth running) at the meshpoint between the gears. It is also difficult to convince gear engineers that there is a very big difference between roll (double flank) checking, which is extremely cheap and easy, and T.E. (single flank) checking since they give rather similar looking results.

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  • Modelling and design approaches of magnetostrictive actuators Mattias Oscarsson Licentiate thesis in Electrical Systems Stockholm, Sweden 2007 .Submitted to the School of Electrical Engineering in partial fulfilment of the requirements for the degree of Licentiate of Technology TRITA-EE 2007:017 ISSN 1653-5146 ISBN 978-91-7178-652-4 Akademisk avhandling som med tillstånd av Kungl Tekniska Högskolan framlägges till offentlig granskning för avläggande av teknologie licentiatexamen, fredag 8 juni, kl. 10.00 i sal H1, Teknikringen 33, Kungl Tekniska Högskolan, Stockholm.

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  • Acoustics is a discipline that deals with many types of fields wave phenomena. Originally the field of Acoustics was consecrated to the sound, that is, the study of small pressure waves in air detected by the human ear. The scope of this field of physics has been extended to higher and lower frequencies and to higher intensity levels. Moreover, structural vibrations are also included in acoustics as a wave phenomena produced by elastic waves. This book is focused on acoustic waves in fluid media and elastic perturbations in heterogeneous media....

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