University professor and physics purist at heart, he. Discovered by ben franklin in the 18th century, electrostatic motors are an allamerican invention. Electrostatic motor the charles stark draper laboratory, inc. Electrostatic motors american association of physics teachers. Electrostatic motor, i decided to continue the historic efforts of scientists such as. An electrostatic motor according to claim 1, wherein. Electro static motors oleg jefimenko free download as pdf file. May 26, 2020 oleg jefimenko electrostatic motors full book 75p download as pdf file. Jefimenkos motors in detail, and also historical info on famous electrostatic motors of previous centuries. These principles were established by michael faraday in the early 1830s and he may have invented the first electromagnetic motor.
A different approach to the theory of electromagnetic and. Its construction does not require access to a machine shop. Their history, types and principles of operation oleg jefimenko. Electrokinetics as a propellantless propulsion source.
Jefimenko is the author of gravitation and cogravitation 4. Jefimenko give the electric field and magnetic field due to a distribution of electric charges and electric current in space, that takes into account the propagation delay retarded time of the fields due to the finite speed of light and relativistic effects. Empirical analysis of electrogravitics and electrokinetics. Does special relativity prohibit superluminal velocities. Sep 12, 2008 author of gravitation and cogravitation, causality, electromagnetic induction, and gravitation, electricity and magnetism, how to entertain with your pocket calculator, electrostatic motors, 30 music programs for timex sinclair 2068, scientific graphics with lotus 123, electrostatic motors. Jefimenko, causality, electromagnetic induction, and gravitation. An encyclopedia of early electrostatic experiments, demonstrations, devices, and apparatus, by g. Jefimenko s motors in detail, and also historical info on famous electrostatic motors of previous centuries. Jefimenko worked on the generalization of newtons gravitational theory to timedependent systems.
Oleg jefimenko electrostatic motors full book 75p download as pdf file. Jefimenko worked for the development of the theory of electromagnetic retardation and relativity. Electro static motors oleg jefimenko electric motor electricity. The electric motors that are in common use today are based on the principles of electromagne tism. Full text of electricity and magnetism internet archive. A different approach to the theory of electromagnetic and gravitational fields, 2nd ed. This is different from a regular motor, which is based on magnetic. These equations are the timedependent generalization of coulombs law and the biotsavart law to electrodynamicswhich were originally true only for electrostatic and magnetostatic fields, and steady currents. Oleg jefimenko deserves significant credit for presenting a valuable theory of the electrokinetic field, as he calls it. They use electric currents but are moved by magnetic forces. Francis author, oleg jefimenko editor electret scientific, 2005, 273 pages electromagnetic retardation and theory of relativity new chapters in the classical theory of fields, 2nd edition, electret scientific, 2004, 338 pages corrections.
Bedinicole window motor with a jefimenko electrostatic. Walker, induced reversal of electrets, applied physics letters, vol. Jefimenco electricity and magnetism appletoncenturycrofts meredith publishing 1966 acrobat 7 pdf 38. Electrostatic motors are powered by electric field of the earth. Mar 05, 2019 oleg jefimenko electrostatic motors full book 75p download as pdf file. This type of motor is based on coulomb forces, and its energy output is related to the change in electrostatic energy that occurs when charges are moved between the terminals of a highvoltage hv supply. Each type of motor has been run synchronously with a square wave voltage.
Kodi archive and support file vintage software community software apk msdos cdrom software cdrom software library console living room software sites tucows software library software capsules compilation shareware cdroms cdrom images zx spectrum doom level cd. Journal articles by oleg jefimenko electret scientific. Jun 02, 2015 book chapters by professor oleg jefimenko what is the physical nature of electric and magnetic forces. Therefore they can be used for moving charges and currents. Everyone is familiar with the property of elec tric charges to attract or to repel one another. Jefimenko electricity and magnetism an introduction to the theory of electric and magnetic fields free ebook download as pdf file. In a jefimenkotype motor the maximum value of the experimental torque is 38. Dynamic electric field maps, the physics teacher, 38, 154157 2000. Walker, electret electrometers and motors utilizing a slot effect, ieee international. Mar 27, 2020 electrostatic motors oleg jefimenko pdf dbx xl stereo 2waymono 3way crossover all these switches are on the back panel because it could be disastrous if you were to change them midprogram. They have been studied extensively in recent years by oleg d. Apart from possible applications electrostatic motors make fascinating playthings. Electrostatic m o t o r s it is also interesting to note that certain types of electrostatic motors were frequently. Build this high voltage motor from plastic pop bottles.
Design of high power electrostatic motor and generator using. Operation of electric motors from atmospheric electric field, am. The rotor was constructed by laminating a strip of aluminum foil between layers of plastic packaging tape and rolling it into a tube. Jefimenko and his graduate students at west virginia university.
Jefimenko author of electromagnetic retardation and. Jefimenkos electrokinetics explains electrogravitics known for his extensive work with atmospheric electricity, electrostatic motors and electrets, dr. A revolution in electrostatic motors california science. Jefimenko this textbook of electromagnetic theory, written for an advanced undergraduate course, is characterized by its pedagogical excellence and by an abundance of novel material, problems, and illustrative examples based on the authors original research and on his contributions to maxwells theory of electric and magnetic phenomena. Book chapters by oleg jefimenko electret scientific. Oleg dmitrovich jefimenko was a physicist and professor emeritus at west virginia university. Mcdonald, the relation between expressions for timedependent electromagnetic fields given by jefimenko and by panofsky and phillipsamerican journal of physics 65 11 however, jefimenko s equations show an alternative point of view. Walker, electrostatic motors, the physics teacher, vol. Oleg dmitrovich jefimenko 19222009 was among the most valued of contributors to the electric spacecraft journal.
Exploring, controlling and using static electricityincludes the dirod manual. Jefimenkoas electrokinetics explains electrogravitics known for his extensive work with atmospheric electricity, electrostatic motors and electrets, dr. The group has reconstructed models of franklins motors and developed advanced electrostatic machines of other types. In his opinion, there is no objective reason for abandoning newtons forcefield gravitational theory in favor of a metric gravitational theory. In electromagnetism, jefimenko s equations named after oleg d.
Intro here is an electrostatic motor based on a steampunk theme thats an easily build. The book shows the type of electrostatic motor that was first invented by ben franklin in 1748. Beaty, 1988 museum of science heres a simple electrostatic motor thats based on 2liter soda bottles and aluminum foil. Great book, has the dirod generator construction project. Electrostatic motors meridian international research. Electromagnetic retardation and theory of relativity. Jefimenko constructed and operated electrostatic generators run by atmospheric electricity. They are based on the physics of the fairweather atmosphere that has an abundance of positive electric charges up to an altitude of 20 km. Breaking with the tradition, ashis nandy explores the ways in which colonialism damaged the colonizing societies themselves, and how the. Oleg dmitrovich jefimenko 19222009 was among the most valued of.
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