4 edition of The propagation of structure-borne sound found in the catalog.
The propagation of structure-borne sound
|Series||D.S.I.R. Sponsored research (Germany) -- 1|
|The Physical Object|
In sound insulation, one must consider the many paths that sound can take from one room to another: (a) direct path: sound passes through common partition; (b) flanking: sound passing around common partition, e.g. along roof rafters; and (c) structure-borne: direct vibration of structure by source (e.g. boiler pumps), sound passes through structure. Blauert's and Xiang's "Acoustics for Engineers" provides the material for an introductory course in engineering acoustics for students with basic knowledge in mathematics. In the second, enlarged edition, the teaching aspects of the book have been substantially improved. Carefully selected examples illustrate the application of acoustic principles and problems are .
Experimental Analysis on Structure-Borne Noise in an Enclosure Proceedings of Academicsera 3rd International Conference, Jakarta, Indonesia, 13thth March , ISBN: 11 However, the analysis on the structure borne-noise in different materials is fewly Size: KB. Low frequent vibrations may cause from disturbing up to damaging effects. There is no precise distinction between structure-borne sound and vibrations. However - depending on the frequency range - measurements and predictions require different techniques. In a wide frequency range, the generation, transmission and propagation of vibrations can be investigated similar to Author: Guggenberger, Johannes.
Acoustics is a branch of physics that deals with the study of mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound.A scientist who works in the field of acoustics is an acoustician while someone working in the field of acoustics technology may be called an acoustical application of acoustics is present in . for the Convergence Zone Sound Path. SOUND PROPAGATION THROUGH THE SEA. The sea, together with its boundaries, forms a remarkably complex medium for the propagation of sound. It possesses an internal structure and a peculiar upper and lower surface that create many diverse effects upon the sound emitted from an underwater source.
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A typical example of structure-borne sound is footsteps on a floor which can be heard in a room below. Structure-borne sound comprises five processes: Generation – the source of an oscillation. Transmission – the transfer of oscillatory energy from the source to the structure.
Propagation – the distribution of energy throughout the. So, what is structure-borne sound and what steps can be taken to mitigate its effects. What is structure-borne sound. Sound itself is created by pulses that are transferred through a medium to a detection device or to the human ear.
In buildings, sound is generally either airborne or structure-borne. The study of the phenomena of such vibrations and waves are called structure-borne sound, structural acoustics or vibro-acoustics; the three terms can be considered equivalent and interchangeable. Thus, vibro-acoustic is the study of the mechanical waves in structures and how they interact with and radiate into adjacent media.
Well, in order to deal with sound control one must understand how sound travels, and in residential environments it will either be airborne or structure-borne. We’re going to teach you the difference between the noise that’s coming from your neighbor’s lawn mower and your kids footsteps while they run around upstairs.
Propagation of Structure-borne Sound in Lightweight Gypsum Board Walls Stefan Schoenwald, Eddy Gerretsen, Heiko J. Martin Eindhoven University of Technology, NL MB Eindhoven, Den Dolech 2. Structure-Borne Sound" is a thorough introduction to structural vibrations with emphasis on audio frequencies and the associated radiation of sound.
The book presents in-depth discussions of fundamental principles and basic problems, in order to enable the reader to understand and solve his own problems/5(2).  “Acoustics-determination of sound power level of noise sources -guidelines for the use of basic standards and for the preparation of noise test codes”, 1S0The propagation of structure-borne sound book “Acoustics-Characterization of sources of structure-borne sound with respect to sound radiation from connected structures-Measurement of velocity at the contact File Size: KB.
DEFINITION: Structure Borne Sound is the sound which spreads in solid bodies such as walls of houses, heaters, pipes, etc. Transmission occurs particularly by tremors which are conducted by vibrations.
DEFINITION: Air Borne Sound is ultimately the sound which can spread only via the air. Structure-Borne Sound" is a thorough introduction to structural vibrations with emphasis on audio frequencies and the associated radiation of sound.
The book presents in-depth discussions of fundamental principles and basic problems, in order to enable the reader to understand and solve his own problems. Abstract. In noise and vibration control, the most important tasks are the minimization of the excitation and of the propagation of sound in structures.
Furthermore, the transfer from structure-borne sound into airborne sound - the vibration-induced radiation of sound - Author: G. Muller. Structure-Borne Sound" is a thorough introduction to structural vibrations with emphasis on audio frequencies and the associated radiation of sound.
The book presents in-depth discussions of fundamental principles and basic problems, in order to enable the reader to understand and solve his own problems. It includes chapters dealing with measurement and generation of vibrations Reviews: 1.
write a monograph entitled "Propagation of Structure-Borne Sound" (Sponsored Research (Germany) No.1 (Series B)), dealing with analysis of the propagation of structure-borne sound in vehicles and buildings.
Since the initial 60 copies of the monograph were rapidly exhausted and photocopied many times, the idea of making the monographFile Size: 1MB. Request PDF | Structure-Borne Sound, Insulation and Damping | In noise and vibration control, the most important tasks are the minimization of the excitation and of.
This book, originally published in German inunder the title Körperschall, was based on a monograph prepared by Lothar Cremer on propagation of structure-borne sound in structures to which Manfred Heckl added chapters in the areas of transducers, wave types, damping, impedances, attenuation, and radiation.
The first English translation by Eric Ungar, Cited by: At Det Norske Veritas he became head of the Acoustics Department at the Research Division. At Veritas Anders Nilsson worked on the propagation of structure borne sound in large built up structures and on the excitation of plates from flow and cavitation.
Anders Nilsson was head of the Danish Acoustical Institute for four years. buildings, EN‐5 (), states that: “The estimation of sound levels due to service equipment in buildings is a complex task and structure borne noise sources and transmission are not completely understood”.
Although this standard provides methods for estimating structure borne noise, theFile Size: KB. of noise & vibration. The book is relatively easily to follow.
It is full of very useful and practical information. It is highly recommended as a reference for graduate students and practicing engineers. Structure-Borne Sound: Structural Vibrations and Sound Radiation at Audio Frequencies Sound and.
This classic text book on Structure-Borne sound transmission is a must-have for anyone in the field of noise & vibration.
The book is relatively easily to follow. It is full of very useful and practical information. It is highly recommended as a reference for /5. discussed. Propeller-induced structure-borne sound can on small ships be reduced by Ineansof a compliant layer on tbe hull above the propeller /15/.
Visco-elastic layers at the foundation of small sources such as pumps can yield very good results /16/. r PROPAGATION The structure-borne sound induced in a ship structure by propeller, main. Impact induced structure-borne sound analyzed by Photoelasticity and Finite-Element Analysis (FEA) Decisive for generation and propagation of structure-borne sound waves in mechanical structures is kind of excitation.
Only high dynamic loads, caused by dynamic force or velocity excitation, are able to produce wave propagation processes. Made available by U.S.
Department of Energy Office of Scientific and Technical Information. Gréhant, /aib 4 Sound propagation and attenuation in rooms 80 99 Attenuation and distance Reverberation Absorption Sound transmission loss of a wall or partition Wave-wall coupling: real mass law Double walls Non-uniform walls Lateral flanking transmission Airborne and solid-borne transmission Attenuation and.Structure-borne sound diagnosis for generating units enhanced by the Cepstrum method.
Guenter Albert, Fritz Neumayer, Peter Stettner. Abstract. Structure-Borne Sound (shortly SBS) is the physical phenomenon of acoustic wave propagation within a solid body. This means the same vibration characteristic excited at any point of the body can be.