《ELECTRODYNAMICS OF TEXTILE FIBREES》

Table of contents1

Power actian of the electric field on fibres.1

1．Coulomb and ponderomotive forces.1

2．Substitution of the fibre by an equivalent ellipsoid.3

3．The fibres in the region of spatial charge8

4．C ontact charging of fibres.17

5．Ultimate charge of the fibre23

Chapter Ⅷ24

Movement of fibres in homogeneous electric fields.24

1．Fibre as non-holonomic systems.24

2．Straightening of fibres.26

3．Orientation of fibres.29

4．Electrophoresis of fibres in the resisting medium.36

Chapter Ⅸ40

Fibres in heterogeneous and moving electric fields.40

1．Dielectrophoresis of fibres in a resisting medium.40

2．Dielectrophoresis of fibres in a resisting medium.43

3．Fibres in the medium moving in an electric field.49

4．Fibres in the rotating and running electric fields.62

Chapter Ⅹ71

Fibrous materials in high fre quency electric field.71

1．Sinusoidal current in homogeneous semiconducting materials.71

2．Averaged parameters of hetrogeneous fibrous materials.77

3．Distribution of the electric field in fibrous materials.81

4．Distortion of the field owing to heterogeneity and anisotropy of material.85

Chapter Ⅺ94

Uses of electrodynamics of fibres in equipment in the textile industry.94

1．Electric piling.94

2．Electro-spinning.98

3．Application of electric fields in cotton carding.103

4．The use of electric fields in the production of non-woven fabrics.105

5．Electrostatic method of obtaining two and three fold colour effect yarns using a core yarn.106

6．Electric separation of fibres by the length.110

7"．Drying of the fibrous material and the setting of the twist of the yarn,in high frequency electric field.113

8．Electric separation of fibrous materials.123

9．Treatment of fabrics by means of a quiet discharge.126