Chapter1PropertiesandTestingMethodsofSoundAbsorptionMaterials
1.1PropertiesofPorousAbsorptiveMaterials
1.1.1ThickPorousAbsorptiveMaterials
1.1.2CurtainsandFabrics
1.2MeasurementofSoundAbsorptionMaterials
1.3MeasurementMethodandApparatusofAirPermeabilityandYieldStrengthofFiberLayer
1.3.1AirPermeability
1.3.2YieldStrength
Chapter2IntroductionofConventionalSoundAbsorptionTheories
2.1SoundTransmissionofPorousMaterials
2.1.1SoundTransmissionintheRoundPipeandNarrowSlit
2.1.2PorousSoundAbsorptionMaterials
2.2PorousSoundAbsorptionMaterialsinSeveralSpecificCases
2.2.1SoundPropagationinPorousMedia
2.2.2SoundReductionduetoPropagationthroughaPorousMaterial
2.2.3PorousSoundAbsorptionMaterialsinImpedanceTube
2.2.4PorousMaterialswithaBackingCavity
2.2.5PorousLinerCoveredwithaLimpImperviousLayer
2.2.6PorousLinerCoveredwithaPerforatedSheet
2.2.7PorousLinerCoveredwithaLimpImperviousLayerandaPerforatedSheet
Chapter3SoundAbsorptionPrincipleofFibrousMaterials
3.1Introduction
3.2PorousMaterialSoundAbsorptionModel
3.3TheSoundEnergyTransmissionEquationandSoundAbsorptionSpectrumFormulaofPorousMaterial
3.4TheAirPermeabilityandPeakSoundAbsorptionCoefficientFormulaofPorousMaterial
3.5SoundAbsorptionCoefficientFormulaofPorousMaterials
3.6ExplanationoftheExperimentalLawsQuotedbytheLiteratureaboutSoundAbsorptionofPorousMaterials
3.7Conclusions
Chapter4TheQuantumPhenomenonofFabrics'VaporPermeabilityandFurtherDiscussionabouttheSoundAbsorptionPrincipleofPorousMaterial
4.1TheQuantumChangeRuleofFabrics'VaporPermeability
4.1.1TestMethodsandEnvironment
4.1.2CharacteristicsofWaterVaporPermeabilityofFabricswithDifferentAirPermeabilityandSimilarThickness
4.1.3CharacteristicsofWaterVaporPermeabilityoftheFabricswithSimilarAirPermeabilityandDifferentThickness
4.1.4ChangesoftheWaterVaporPermeabilityoftheFabricswiththeLapseofTime
4.1.5SumUp
4.2AnalyzingoftheSoundAbsorptionCharacterofPorousMaterialwithVaporContent
4.2.1ResonanceSoundAbsorptionModelofDenselyPorousMaterial
4.2.2AnalyzingoftheSoundAbsorptionCharacterofPorousMaterialwithVaporContent
4.3Conclusions
Chapter5DarkEnergyofSoundWaveandUniverse
5.1Introduction
5.2TheNegativeandQuantumEnergyofSoundWave
5.2.1TheInteractionPrincipleofSoundWaveandFlexibleMaterials
5.2.2TheNegativeEnergyofSoundWave
5.3AnalysisofAcousticWavesandCosmicDarkEnergy
5.4Conclusions
Chapter6TheWaveEssenceofPhoton
6.1Introduction
6.2TheWaveTheoryofPhoton'sEssence
6.2.1DerivingofthePhotonEnergyEquationwithClassicalWaveTheory
6.2.2InterpretingoftheComptonEffectandPhotoelectricEffectByClassicalWave-VibrationTheory
6.2.3EnergyTransmissionEquationofLightWavetoElectron
6.2.4PhaseShiftbetweenLightWaveandVibrator
6.2.5Discussions
6.3Conclusions
Chapter7ElectromagneticWaveAbsorptionModelofAtmosphereandAtmosphericWindowFormula
7.IIntroduction
7.2TheResearchSituationofTransmittingandDecayofInfraredintheAtmosphere
7.2.1TheEmpiricalStudyintheFirstHalfofthe20thCentury
7.2.2TheTheoreticalResearchintheLatterHalfof20thCentury
7.3TheAtmosphereAbsorptionPrincipleofElectromagneticWave
7.4AtmosphericWindowFormula
7.5Discussion
7.5.1TheLateralAmplitudeofElectromagneticWave
7.5.2TheAtmosphericHaloovertheCity
7.5.3TheEffectofFrequencyandVapourContenttotheTransmittanceofElectromagneticWave
7.5.4RotationAbsorptionandEmissionofMolecules
7.6Conclusions
AppendixAOscillationandSoundWave
A.1Oscillation
A.1.1DescriptionofSimpleHarmonicMotion
A.1.2EnergyinSimpleHarmonicMotion
A.1.3DampedOscillations
A.1.4DrivenOscillationsandResonance
A.2SoundWave
A.2.1PlaneWaves
A.2.2Harmonic(Sinusoidal)Waves
AppendixBIntroductionofQuantumTheory
B.1BlackbodyRadiationandPlanck'sQuantumHypothesis
B.2TheHypothesisofLightQuantaandthePhotoelectricEffect
B.3TheComptonEffectbytheHypothesisofLightQuanta
B.4BohrAtom,ElectronWave
B.5WaveFunction
B.6QuantumParticleinaBox
AppendixC中文论文
AppendixDFundamentalConstants