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· 분류 : 외국도서 > 과학/수학/생태 > 과학 > 음향
· ISBN : 9783030916336
· 쪽수 : 130쪽
· 출판일 : 2022-04-23
목차
Chapter 1. Glossary and Prologue
1.1 Glossary of symbols
1.2 Introduction
1.3 Elaboration
Chapter 2. Preliminaries
2.1 Procedure
2.2 Assumptions and limitations
2.3 Electrical, mechanical, and acoustic analogies
2.4 Power to loss ratio and volume acceleration
2.5 Terminology
Chapter 3. Analogous Electrical circuit
3.1 Analogous circuit and discussion
3.2 Reference driver magnitudes in the analogous circuit
Chapter 4. Electrical impedance
4.1 Coil Resistance
4.2 Resistance due to the mechanical and acoustic load
4.3 Core resistance
4.4 Blocked coil measurement
4.5 Source and total resistance
4.6 Reactance
4.7 Inductance
4.8 Impedance expressions
4.9 Voltage and power expressions
Chapter 5. Efficiency and the mechanical response function
5.1 Efficiency at the working frequency
5.2 The mechanical response function
5.3 Relation to parameters and power
5.4 Correlation with Kinsler, Kloss, and Small5.5 Efficiency expressions and loss
5.6 Efficiency, bass extension, and enclosure size
Chapter 6. Back emf
6.1 Faraday and Lenz’s laws
6.2 Transfer of energy
6.3 Degree of current flow
6.4 Newton’s laws
6.5 Conservation of energy
6.6 Back emf and power transfer
Chapter 7. Mechanical and acoustic load impedance
7.1 Mechanical plus acoustic impedance
7.2 Equivalent mechanical resistance
7.3 Air load resistance
7.4 Mechanical resistance
Chapter 8. Mechanical and acoustic power
8.1 Electric power factor
8.2 Mechanical power factor
8.3 Mechanical plus acoustic power
8.4 Relations of acoustic power
8.5 Energy and power distribution
Chapter 9. Low frequency response
9.1 Half-power point
9.2 Maximum amplitude
Chapter 10. Force
10.1 The Lorentz force law
10.2 Motor resistance and electromagnetic damping
10.3 Correlation with Beranek’s velocity expression
10.4 Relation to the power-to-loss ratio
10.5 Force expressions
Chapter 11. Velocity
11.1 Average and RMS velocity
11.2 Velocity relationships and expressions
11.3 Measuring velocity
11.4 Recoil velocity
11.5 Volume velocity
Chapter 12. Energy
12.1 General considerations
12.2 Kinetic energy
12.3 Relation of kinetic energy to power from the source
Chapter 13. Work, efficiency, and power
13.1 Work done heating the coil and core
13.2 Work done on the mechanical and acoustic side
13.3 Relation to power and the power-to-loss ratio
Chapter 14. Resonance, Q, and measurements
14.1 Mass, compliance, and mechanical resonance
14.2 Bandwidth
14.3 Quality factors at resonance
Chapter 15. Related parameters and measurements
15.1 Acceleration
15.2 Amplitude
15.3 SPL
15.4 Motor strength
15.5 Measuring with precision
15.6 Momentum
15.7 Pressure
Chapter 16. Circumventing Efficiency and Bass Extension Limitations
16.1 Efficiency and bass extension limitations
16.2 Back EMF
16.3 Dominant parameters
16.4 The trade-off
16.5 Dual motors
16.6 Technical details
16.7 Summary
Chapter 17. Appendix
17.1 Parameter magnitudes
17.2 Parameter tables
Chapter 18. References
