本书以水平管稀相气力输送系统为研究对象，将自激振荡流（由软翅自由振荡产生）应用于气力输送系统加速区，结合流体动力学、弹性力学和摩擦学相关理论，开展基于自激振荡的稀相低速气力输送粒子运动机理研究，进而提出一种安全高效的节能方法，为气力输送行业提供理论基础。本书针对科研院所的硕、博研究生，以及气力输送行业的企业研发部门。
江苏科技大学讲师，致力于研究数字化建模与优化设计、数字化装备与性能测试、数字化检测与现场监控，2015年发表《基于软翅的水平管气力输送系统实验研究》，获江苏省青年自然科学基金资助项目。
1 Introduction
1．1 Pneumatic Conveying
1．1．1 Characteristics of pneumatic conveying
1．1．2 Application fields
1．1．3 System components
1．1．4 System requirements
1．1．5 Mode of pneumatic conveying
1．1．6 Basic pneumatic conveying systems
1．1．7 System selection considerations
1．1．8 Material property influences
1．1．9 Conveying capability
1．2 Review of Pneumatic Conveying
1．2． 1 Review on energy-saving techniques
1．2．2 Review on characteristics of particle motion
1．3 Background of this Book
1．4 The Purpose of this Book
2 Experimental Apparatus and Procedure
2．1 Experimental Apparatus
2．2 Conveying Materials
2．3 Soft Fins
3 A Horizontal Energy-Saving Pneumatic Conveying System with Horizontally Mounted Soft Fins
3．1 The Purpose of this Chapter
3．2 Frequency Features of Fin's Oscillation
3．3 Pressure Drop
3．3．1 Particles ofdp = 2．3 mm
3．3．2 Particles ofdp = 3．3 ram
3．4 Minimum Conveying Velocity
3．5 Power Consumption Coefficient
3．5．1 Particles ofdp =2．3 ram
3．5．2 Particles of dp= 3．3 mm
3．6 Particle Flow Pattern
3．7 Additional Pressure Drop Coefficient
3．7．1 Particles of dp =2．3 mm
3．7．2 Particles of dp = 3．3 mm
3．8 Summary
4 A Horizontal Energy-Saving Pneumatic Conveying System with Vertically Mounted Soft Fins
4．1 The Purpose of this Chapter
4．2 Frequency Features of Fin's Oscillation
4．3 Pressure Drop
4．3．1 Particles of dp = 2．3 mm
4．3．2 Particles of dp =3．3 mm
4．4 The Minimum Conveying Velocity
4．5 Power Consumption Coefficient
4．5．1 Particles of dp = 2．3 mm
4．5．2 Particles of dp = 3．3 mm
4．6 Particle Flow Pattern
4．7 Additional Pressure Drop Coefficient
4．7．1 Particles of dp =2．3 mm
4．7． 2 Particles of dp= 3．3 mm
4．8 Summary
5 Characteristics of Particle Motion in a Horizontal Pneumatic Conveying with Horizontally Mounted Soft Fins
5．1 High-Speed PIV Imaging Set-Up and Procedure
5．2 Measurement Method of Particle Concentration
5．3 Profiles of ParticLe Concentration
5．3．1 Particle concentration of the particles dp = 2．3 mm
5．3．2 Particle concentration of the particles dp = 3．3 mm
5．4 Profiles of Particle Velocity
5．4．1 Axial component of particle velocity
5．4．2 Vertical component of particle velocity
5．5 Particle Fluctuation Velocity
5．5．1 Spectral characteristics of particle fluctuating velocity
5．5．2 Auto-correlation coefficients of particle fluctuation velocity
5．5．3 Two-point fluctuation velocity correlation
5．5．4 Intensities of particle fluctuation velocity
5．5．5 Skewness factor of particle fluctuation velocity
5．5．6 Probability density function of particle fluctuation velocity
5．6 Summary
6 Characteristics of Particle Motion in a Horizontal Pneumatic Conveying with Vertically Mounted Soft Fins
6．1 Profiles of Particle Concentration
6．1．1 Particle concentration of the particles dp = 2． 3 mm
6．1．2 Particle concentration of the particles dp = 3．3 mm
6．2 Profiles of Time-Averaged Particle Velocity
6．2．1 Axial component of time-averaged particle velocity
6．2．2 Vertical component of time-averaged particle velocity
6．3 Particle Fluctuation Velocity
6．3．1 Spectral characteristics of particle fluctuating velocity
6．3．2 Auto-correlation coefficients of particle fluctuation velocity
6．3．3 Two-point fluctuation velocity correlation
6．3．4 Intensities of particle fluctuation velocity
6．4 Summary
7 Conclusions
References
Index
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