- 莫尔层析技术在可压缩流场中的应用(英文版)
- - 作者：陈云云|责编:许蕾
  - 出版社：科学
  - ISBN：9787030799807
  - 出版日期：2024/12/01
  - 页数：194
- 售价：63.6

内容大纲
本书围绕莫尔层析技术用于高温复杂流场的结构显示和关键参数诊断展开，主要包含如下几个方面。①理论方面：莫尔层析技术用于流场诊断时所需的折射率模型的建立、流场折射率梯度变化的物理本质的探究等；②实验方面：实验过程中相关问题对结果的影响以及基于标量衍射理论对这样的影响进行相关解释与验证等；③信息提取方面：相位信息提取、频谱提取、相位提取、偏折角信息的获得以及折射率重建等；④被测流场关键参数测量方面：温度、电子数密度等关键参数反演等；⑤方法拓展的探究：围绕该技术在大气领域中的拓展应用等进行了探究。
本书适合从事大气科学、飞行器设计、光学工程等复杂流场结构与诊断相关方向研究的科研人员、教师、技术人员等阅读参考。
作者介绍
目录
Chapter 1  A brief history
  1.1  Moire effect
  1.2  Moire deflectometry
  1.3  Moire deflection tomography
  1.4  The scope of the book
Chapter 2  Theoretical basis of flow field’s moire deflection tomographydiagnosis
  2.1  Dependence between refractive index and key parameters of flow fields
  2.2  A new refractive index descriptive model of common plasma
    2.2.1  Derivation based on Saha equation
    2.2.2  Feasibility verification and analysis
  2.3  A uniform refractive index description
    2.3.1  Concept of equivalent particle number density
    2.3.2  Rationality of the model
  2.4  Physical essence of refractive index gradient in flow fields
    2.4.1  Refractive index distributions
    2.4.2  Physical essence analysis
  2.5  A two-temperature refractive index model
    2.5.1  Theory and rationality analysis
    2.5.2  Method of measuring two temperatures
Chapter 3  Experiment of flow field’s moire deflection tomography diagnosis
  3.1  Effect of non-collimated optical path
    3.1.1  Realization of experiment
    3.1.2  Influence on temperature reconstruction
  3.2  Effect of phase object’s position
    3.2.1  Theoretical deduction by scalar diffraction theory
    3.2.2  Intensity distribution and fringe equation
    3.2.3  Verification by moire fringe slope
  3.3  Integrating moire deflection tomography and shadowing method
    3.3.1  Principle description and experimental design
    3.3.2  Feasibility analysis
Chapter 4  Information extraction of moire fringes
  4.1  Preprocessing based on multiresolution analysis (MRA)
    4.1.1  Basic theory
    4.1.2  Results and comparison of three-level MRA
  4.2  Phase extraction based on Gabor wavelet
    4.2.1  Deduction of wrapped phase
    4.2.2  Comparative analysis based on true phase results
  4.3  Phase extraction based on Morlet wavelet
    4.3.1  Fringe preprocessing and wrapped phase deduction
    4.3.2  Phase information
    4.3.3  Contribution of wavelet ridges
  4.4  Phase denoising and unwrapping based on MRA
    4.4.1  Theory and method
    4.4.2  Effect of noise and discontinuity
    4.4.3  Effect of wavelet basis function
    4.4.4  Effect of decomposition level
    4.4.5  Effect of iteration number
  4.5  Application of deep learning
    4.5.1  Impact of flow field’s position on moire fringe analysis
    4.5.2  Moire fringe analysis across diverse carrier frequencies

Chapter 5  Measurement of key parameters for flow fields by moire deflection tomography
  5.1  Temperature measurement
    5.1.1  Effect of composition
    5.1.2  Effect of pressure
  5.2  Electron number density measurement
    5.2.1  Indirect measurement by one-wavelength moire deflection tomography
    5.2.2  Direct measurement by two-wavelength moire deflection tomography
  5.3  Composition ratio measurement
    5.3.1  Two objects mixed
    5.3.2  Three objects mixed
Chapter 6  Application of moire deflectometry in atmosphere measurement
  6.1  Measurement of atmospheric particle number density fluctuations
    6.1.1  Principle analysis
    6.1.2  Theoretical deduction
    6.1.3  Experiment and arrival angles
    6.1.4  Distribution of atmospheric particle number density fluctuations
  6.2  Measurement of atmospheric refractive-index structure parameter
    6.2.1  Situation analysis
    6.2.2  Method description
    6.2.3  Temporal and spatial distributions of deflection angle
    6.2.4  Distribution of atmospheric refractive-index structure parameter
References

内容大纲

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