The Acoustics of Wood (1995)

ISBN-13: 9781138506473 / Angielski / Twarda / 2017 / 300 str.

Voichita Bucur

Opis

Acoustics of Wood offers a detailed treatment of numerous topics that are valuable to those working with wood in architecture, engineering, acoustics, and the crafting of musical instruments. It presents a comprehensive account of the progress and current knowledge concerning wood acoustics, outlining the anatomy and physiology of wood and the specific applications in which its acoustic properties are relevant.

Spis treści

Introduction
General Remarks on Wood Material
Outline of the Book
References
PART I. ENVIRONMENTAL ACOUSTICS
Acoustics of Forests and Acoustic Quality Control of Some Forest Products
Acoustics of Forests and Forest Products
Ultrasound for the Germinability Detection of Acorns
References
Wood and Wood-Based Materials in Architectural Acoustics
Influence of Anatomic Structure of Wood on Sound Absorption Characteristics
Wood Materials as Acoustic Insulators
Wood and the Acoustics of Concert Halls
References
PART II. MATERIAL CHARACTERIZATION
Theory and Experimental Methods for the Acoustic Characterization of Wood
Elastic Symmetry of Propagation Media
Wave Propagation in Anisotropic Media
Velocity of Ultrasonic Waves in Wood
Attenuation of Ultrasonic Waves
Internal Friction in Wood in the Audible Frequency Range
References
Elastic Constants of Wood Material
Global Characterization
Local Characterization
References
Structural Anisotropy and Ultrasonic Parameters of Wood
Filtering Action Induced by the Anatomic Structure of Wood
Estimation of Anisotropy by Velocities of Longitudinal and Transverse Bulk Waves
Estimation of Anisotropy by Invariants
References
PART III. QUALITY ASSESSMENT
Wood Species for Musical Instruments
Acoustic Properties of Wood Species
Factors Affecting Acoustic Properties of Wood for Musical Instruments
Chemical Treatments for Improving the Acoustic Properties of Common Solid Wood Used for Mass-Produced Instruments
Composites as Substitutes for Resonance Wood
Appendix
References
Ultrasound as a Complementary Nondestructive Tool for Wood Quality Assessment
Ultrasound and Wood Quality
Ultrasonic Methods for Trees, Timber, and Wood Composites
Other Nondestructive Techniques for the Detection of Defects in Wood
References
Environmental Modifiers of the Structural Parameters of Wood Detected with Ultrasonic Waves
Dependence of Ultrasonic Velocities and Related Mechanical Parameters of Wood on Moisture Content and Temperature
Ultrasonic Parameters and Biological Deterioration
References
Acoustic Emission
Principles and Instrumentation
Acoustic Emission for the Structural Evaluation of Trees, Solid Wood, Particleboard, and Other Wood-Based Composites
Acoustic Emission for Monitoring Technological Processes
References
High-Energy Ultrasonic Treatment for Wood Processing
Modifications Induced in Anatomic Structure by High-Energy Ultrasonic Waves
High-Energy Ultrasonic Treatment, A Tool for Wood Processing
Improving Wood Preservation Using Ultrasound
References
Index