Author: Selma Kurra
Publisher:
ISBN:
Category :
Languages : tr
Pages :

Get Book Here

Book Description

Author: Tony L. Parrott
Publisher:
ISBN:
Category : Sound-waves
Languages : en
Pages : 58

Get Book Here

Book Description

Author: Selma Kurra
Publisher: John Wiley & Sons
ISBN: 1118887425
Category : Technology & Engineering
Languages : en
Pages : 858

Get Book Here

Book Description
Environmental Noise and Management Selma Kurra, Istanbul Technical University and dBKES Engineering Ltd, Turkey A comprehensive overview of environmental noise pollution from the standpoint of environmental impact and control Environmental noise is studied, regulated and monitored by many governments and institutions, as well as forming the basis for a number of different occupations due to the adverse effects of noise exposure. Environmental Noise and Management provides a comprehensive overview of environmental noise pollution. The book begins by covering the fundamentals of noise and acoustics, major noise sources and prediction and evaluation techniques. Developments in noise measuring techniques, and mapping and improvement of legislation to control noise pollution are then discussed, and international regulations are presented. Technological advances and recent developments regarding strategy and action plans are also covered in depth. Key features: Summarizes the relevant international standards covering noise pollution and environmental engineering practice. Presents technological advances and recent developments regarding strategy and action plans. Covers developments in noise measuring techniques, prediction models, mapping and improvement of legislation to control noise pollution. Environmental Noise and Management is a comprehensive resource for researchers and graduate students who are involved in noise pollution from the standpoint of environmental impact and control.

Author: Tony L. Parrott
Publisher:
ISBN:
Category :
Languages : en
Pages : 60

Get Book Here

Book Description

Author: National Aeronautics and Space Adm Nasa
Publisher:
ISBN: 9781729022221
Category :
Languages : en
Pages : 34

Get Book Here

Book Description
The results of a scale model propagation experiment to investigate grazing propagation above a finite impedance boundary are reported. In the experiment, a 20 x 25 ft ground plane was installed in an anechoic chamber. Propagation tests were performed over the plywood surface of the ground plane and with the ground plane covered with felt, styrofoam, and fiberboard. Tests were performed with discrete tones in the frequency range of 10 to 15 kHz. The acoustic source and microphones varied in height above the test surface from flush to 6 in. Microphones were located in a linear array up to 18 ft from the source. A preliminary experiment using the same ground plane, but only testing the plywood and felt surfaces was performed. The results of this first experiment were encouraging, but data variability and repeatability were poor, particularly, for the felt surface, making comparisons with theoretical predictions difficult. In the main experiment the sound source, microphones, microphone positioning, data acquisition, quality of the anechoic chamber, and environmental control of the anechoic chamber were improved. High-quality, repeatable acoustic data were measured in the main experiment for all four test surfaces. Comparisons with predictions are good, but limited by uncertainties of the impedance values of the test surfaces. Willshire, William L., Jr. Langley Research Center RTOP 505-63-91-02...

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 36

Get Book Here

Book Description

Author: Thomas Rossing
Publisher: Springer Science & Business Media
ISBN: 0387304460
Category : Science
Languages : en
Pages : 1179

Get Book Here

Book Description
This is an unparalleled modern handbook reflecting the richly interdisciplinary nature of acoustics edited by an acknowledged master in the field. The handbook reviews the most important areas of the subject, with emphasis on current research. The authors of the various chapters are all experts in their fields. Each chapter is richly illustrated with figures and tables. The latest research and applications are incorporated throughout, including computer recognition and synthesis of speech, physiological acoustics, diagnostic imaging and therapeutic applications and acoustical oceanography. An accompanying CD-ROM contains audio and video files.

Author: Östen Axelsson
Publisher: Frontiers Media SA
ISBN: 2889633292
Category :
Languages : en
Pages : 151

Get Book Here

Book Description

Author: Nasa Technical Reports Server (Ntrs)
Publisher: BiblioGov
ISBN: 9781289164836
Category :
Languages : en
Pages : 66

Get Book Here

Book Description
The NASA Technical Reports Server (NTRS) houses half a million publications that are a valuable means of information to researchers, teachers, students, and the general public. These documents are all aerospace related with much scientific and technical information created or funded by NASA. Some types of documents include conference papers, research reports, meeting papers, journal articles and more. This is one of those documents.

Author: Martin Almgren
Publisher:
ISBN: 9789170322549
Category : Acoustic emission
Languages : en
Pages : 17

Get Book Here

Book Description