It also provides an introduction to both acoustics and dynamics so that a wider readership can gain an appreciation of the physical processes that cause, propagate and control noise and vibration. He studied electronic engineering from 1971 to 1976 and economics until 1979 at the technical university of aachen. Refinement is one of the main engineering and design attributes addressed in the course of developing new vehicle models and vehicle. Vehicle noise and vibration refinement 1st edition. Vehicle noise and vibration refinement xu wang ebook. Purchase vehicle noise and vibration refinement 1st edition. Full vehicle vibration and noise analysis based on substructure. Liu, research on car interior noise control and structure optimization, hunan university, 2011. Full vehicle vibration and noise analysis based on. They are a measure of ride comfort and perceived quality and reliability. Experimental investigation of the noise, vibration and. Usually, youll hear a noise or vibration during acceleration at speeds above 20 mph.
In summary the sound quality, or refinement, of a vehicle pow ertrain is often. Experimental nvh evaluation of a pure electric vehicle in. Some vehicle noise and vibration terms are defined and a brief history of motoring and vehicle refinement is presented. A rangeextended electric vehicle has complicated noise and vibration problems because it behaves both like a traditional vehicle and like a battery electric vehicle as well as having its own specific noise, vibration and harshness properties. They are usually among the top attributes of any vehicle type. The vibration, noise, and sound quality are important vehicle. Noise, vibration, and harshness i table of contents introduction 1 objectives 1 acronyms 2 lesson 1 evaluating nvh concerns 5 preliminary information 5 preroad test inspection 7 vehicle road test 8 road test methods 9 diagnostic worksheet page 1 10 diagnostic worksheet page 2 11 lesson 2 diagnosing wheel and tire vibration. Adrev masters admin on behalf of apm in north america and emi production music for rest of worldav music publishersav music publishers bv. Vehicle noise and vibration refinement rmit research. Download it once and read it on your kindle device, pc, phones or tablets. Vehicle noise and vibration refinement 9781845694975.
The sourcepathreceiver model of noise and vibration is a powerful concept in engineering powertrain refinement. Noise, vibration, and harshness nvh refinement is an important traditional task in powertrain development and the vehicle integration process. Today s automotive consumer demands high standards of nvh noise, vibration and harshness performance. Vehicle noise and vibration refinement xu wang download. Vehicle noise and vibration refinement pdf free download. The knowledge it imparts can be applied to analyze realworld problems and devise solutions that reduce vibration, control noise, and improve sound quality in all vehiclesground, aerospace, rail, and.
Rationale and history of vehicle noise and vibration refinement target setting and benchmarking for vehicle noise and vibration refinement vehicle vibration measurement and analysis vehicle noise measurement and. Vehicle noise and vibration refinement xu wang high standards of noise, vibration and harshness nvh performance are expected in vehicle design. Advanced direct injection combustion engine technologies and. The vehicle noise and vibration refinement process covers the following tasks. Chassis components, specially around the rear of the vehicle, can be a source of noise and vibration when worn or loose. This paper presents certain considerations related to noise, vibration and harshness issues on. Request pdf vehicle noise and vibration refinement high standards of noise, vibration and harshness nvh performance are expected in vehicle design. Vehicle noise download ebook pdf, epub, tuebl, mobi.
From the point of view of customer acceptance of the end product, the plot shown in figure 4 should be customized to a given vehicle program, so that a focused plan can. This modification can create unique challenges for noise, vibration and harshness nvh refinement. Advances in automobile aydin and esenboga, adv automob. Use features like bookmarks, note taking and highlighting while reading vehicle noise and vibration refinement woodhead publishing in mechanical engineering. When they become unpleasant to the senses they may be regarded as problems by the customer. High standards of noise, vibration and harshness nvh performance are expected in vehicle design. How to detect the origin of a noise or vibration in a vehicle.
Noise and vibration refinement of powertrain systems in. Vehicle refinement controlling noise and vibration in road vehicles list of chapters acknowledgements preface about the author 1 vehicle refinement. Vehicle noise, vibration, and sound quality r400 this book gives readers a working knowledge of vehicle vibration, noise, and sound quality. This fundamental concept is used in the target setting process, and extends into the development of vehicles and as a tool in the analysis of noise and vibration problems. Benchmarking target setting noise and vibration design and development. Many driving schools adopt existing vehicle platform for integration with electric powertrains to reduce fuel consumptions.
Vehicle noise and vibration refinement by wang, xu and publisher woodhead publishing. Todays automotive consumer demands high standards of nvh noise, vibration and harshness performance. Therefore, an airtoair system approach is necessary to optimize engine performance and sound quality simultaneously. Noise, vibration and harshness nvh have become increasingly important factors in vehicle design as a result of the quest for increased refinement. Vehicle vibration analysis service training noise, vibration and harshness noise, vibration and harshness nvh are present in every vehicle, but not everyone reacts to them in the same way. The vibration, noise, and sound quality are important vehicle attributes. Vehicle noise and vibration refinement with special emphasis on diagnostics.
Refinement is one of the main engineering and design attributes to be addressed in. Vehicle noise and vibration refinement with special emphasis on diagnostics this paper presents certain considerations related to noise, vibration and harshness issues on modern motor vehicles. Refinement is therefore one of the main engineeringdesign attributes to be addressed when developing new. The proposed dualling and junction improvements change the carriageway alignment and physical arrangement of the road network, and will alter vehicle flow characteristics. Bhon010 vehicle refinement controlling noise and vibration in road vehicles written for engineering practitioners and engineering students, this book will help readers to understand and develop quieter, more comfortable. Noise and vibration normally exist in the operation of a vehicle. Refinement is one of the main engineering and design attributes to be addressed in the course of developing new vehicle models and vehicle components. Vehicle noise and vibration performance are important aspects of vehicle design validation criteria, and have significant influence on the overall image of a vehicle.
Pdf vehicle noise and vibration refi nement marcos abrantes. Vehicle noise and vibration refinement ebook, 2010. Vi 3 aspects of nvh integration in hybrid vehicles frm. Nvh noise, vibration and harshness is the term used when discussing these conditions. Vehicle nvh development airtoair system refinement. A noise or vibration that is unbearable to one person may be unpleasant to another, or even go unnoticed until brought to their attention. The special car consists of a conventional manual transmission but a driving motor for driving instruction.
Vehicle noise and vibration refinement 1st edition elsevier. Vehicle noise and vibration refinement woodhead publishing in mechanical engineering kindle edition by wang, xu. Vehicle nvh development airtoair system refinement measures for exhaust and intake noise optimization also influence the engine performance and vice versa. High standards of nvh noise, vibration and harshness performance are expected by consumers of all modern cars. This chapter summarizes the objectives and significance of vehicle noise and vibration refinement, defines its scope and illustrates its relationship to the vehicle development. Save up to 80% by choosing the etextbook option for isbn. The role of noise and vibration factors on the vehicle harmony elements is. Overview of modern contributions in vehicle noise and vibration. Secondary noise sources being noise created by the motion of the flow through the intake and exhaust systems.
Hybrid electric vehicle vibration, noise, and control. Vehicle noise and vibration refinement sciencedirect. Your web vehicle noise and vibration is obviously situated for example. Vehicle noise and vibration refinement woodhead publishing limited, 2010 related titles. The chapter discusses some unique vehicle nvh challenges inherent in the operation of hybrid electric vehicles and addresses the unique nvh characteristics and associated control techniques. Vehicle noise vibration and sound quality pdf download. Vehicle noise and vibration refinement request pdf.
The scheme will cause changes in noise and vibration at sensitive receptors, this. Noise and vibration refinement is an important aspect of vehicle refinement. Refinement is therefore one of the main engineeringdesign attributes to be addressed when developing new vehicle models and components. Vibration has always been an important issue closely related to reliability and quality, while noise is of increasing importance to vehicle users and environmentalists. This selfinduced noise is commonly called flow noise. Watch the next video for an example of a cv joint going bad and causing vibration at high speeds. Vehicle noise vibration and sound quality pdf download c16eaae032 vehicle noise and vibration, the sources of noise in a vehicle can be classified as. Corporate sound design is becoming increasingly impor. Refinement is one of the main engineering and design attributes addressed in the course of developing new vehicle models and vehicle components. The scope of the book is wide, covering all the main sources of noise and vibration in road vehicles.
Vehicle refinement should include a consideration of the discomfort likely to be caused by vibration. If you lift your foot off the accelerator to maintain cruising speed, the vibration will disappear. The first, practical aspect was used toward structuring of the acquired knowledge and relationships, required for proper problem diagnosis. The feeling of vibration that gives rise to judgements of vibration discomfort can be.
It deals with noise and vibration suppression, noise and vibration design, rattle and squeak suppression 1. Offer pdf vehicle noise,vibration,and sound quality 2012,by gang sheng, boxue58download fulltext pdf the sound quality of vehicle interior noise 163download download. The body consists of body structure, frames, seats, and trims. Vehicle noise and vibration refinement by leonora 3.
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