| "INTRODUCTION TO ELECTROSTATIC MEASUREMENTS" by John Chubb
1. INTRODUCTION Nature of static electricity. Basic physics. Range of practical problems. Importance of appreciating problems in context of practical 'systems'. 2.1 Introduction 2.2 Charge 2.3 Force between charges 2.4 Electric field 2.5 Potential 2.6 Electric flux density 2.7 Gauss' law 2.8 Induced charge 2.9 Capacitance 2.10 Energy 2.11 Poisson's equation 2.12 Dielectrics 2.13 Charge migration and dissipation 2.14 Charge separation mechanisms 2.15 Electrical breakdown
3.2 Measurement of electric field 3.2.1 Basic aspects 3.2.2 Induction probe instruments 3.2.3 Field mill fieldmeters 3.2.4 General requirements for fieldmeters 3.2.5 Field mill fieldmeters without earthing of rotating chopper 3.2.6 Zeroing fieldmeters 3.2.7 Calibration of fieldmeters 3.2.8 Factors determining performance of field mill fieldmeters 3.3 Measurement of charge 3.3.2 Faraday Pail 3.3.3 Charge measurement
3.4.2 Surface voltage from retained charge 3.4.3 Comments on methods for charge decay measurement 3.4.4 Corona charge decay measurement 3.4.5 Capacitance loading 3.5.2 An alternative method of testing 3.5.3 Relationship of shielding to effective resistivity 3.7 Measurement of resistance 3.8 Measurement of capacitance
4.2 Fieldmeter measurements 4.3 Measuring surface voltage 4.4 Electrostatic voltmeter 4.5 Measuring potentials in a volume 4.6 Measurement of charge 4.7 Surface charge density 4.8 Volume charge density 4.9 Charge decay for assessing materials 4.10 Measurements on discharges 4.11 Radio detection of sparks ?Äì radio spectrum 4.12 Lightning warning 4.13 Incendivity of electrostatic discharges 4.14 Shielding 4.15 Other measurements 4.16 Modelling 4.17 Calibration
5.2 Ignition of flammable atmospheres 5.3 Shock risks 5.4 Attraction of dust, debris and thin films 5.5 Damage to semiconductor devices 5.6 Upset operation of microelectronic systems
6.2 Is static the cause? 6.3 Codes of practice 6.4 Characteristics of materials 6.5 Investigative procedures 6.6 System changes
7.2 Cleanroom clothing 7.3 Tanker studies 7.4 Food product silo 7.5 Lightning warning 7.6 Car seats 7.7 Electrostatic safety at solvent extraction 7.8 Airborne particles 7.9 Airborne fibre monitor 7.10 Coated metal sheets 7.11 Adhesive manufacture 7.12 Health monitor
8.2 Organisations arranging conferences and meetings 8.3 Information on meetings 8.4 Journals for publication of papers 8.5 Directories 8.6 Standards 8.7 Shell Safety Guide 8.8 Books
Annex 2: Test method to assess the influence of static charge retained on materials Annex 3: Calibration procedures Annex 4: Papers by John Chubb on static electricity
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John Chubb © John Chubb Page Updated : 7/2/2009
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