- Sections
- A. General Materials & Mathematics
- B. Statics
- C. Kinematics & Dynamics
- D. Rotational Mechanics
- E. Gravitation & Astronomy
- F. Fluid Mechanics
- G. Vibrations & Mechanical Waves
- H. Sound
- I. Thermodynamics
- J. Electrostatics & Magnetostatics
- K. Electromagnetic Principles
- L. Geometrical Optics
- M. Wave Optics
- N. Spectra & Color
- O. Vision
- P. Modern Physics
J2-15. Electrostatic Smoke Precipitator
Purpose
To demonstrate how an electrostatic smoke precipitator works.
Equipment
Van de Graaff generator, electrostatic precipitator chamber, cigarettes and matches, vacuum cleaner and hose, with overhead projector.
Setup Time
5 minutes.
Images
Description
A vacuum cleaner sucks smoke from a cigarette into a transparent chamber which is positioned on the overhead projector. When the Van de Graaff voltage is impressed across the side electrodes inside the tube, it causes the smoke particles to become electrostatically charged and the electric field between the two electrodes immediately sweeps the smoke aside, clearing the air.◙
References
Dale Reynard, Using a Model Electrostatic Precipitator, Wilmington Friends School, Wilmington, DE.
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See pagesj1. electrostatic charge & force
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See pagesj3. electric fields & potential
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See pagesj4. capacitance & polarization
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See pagesj5. magnetostatics
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See pagesj6. electromagnets
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See pagesj7. magnetic materials
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See pagesj1. electrostatic charge & force
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See pagesj3. electric fields & potential
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See pagesj4. capacitance & polarization
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See pagesj5. magnetostatics
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See pagesj6. electromagnets
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See pagesj7. magnetic materials