Search Results - "Penney, Gaylord W."

Photoionization and breakdown by Penney, Gaylord W.

“…For some time it has been recognized that in the Townsend mechanism of breakdown, radiation is the only mechanism that appears to be fast enough to account for…”
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Photoionization as the Secondary Mechanism in a Townsend Breakdown in Air by Uber, Arthur E., Penney, Gaylord W.

“…In a Townsend breakdown, a radiative secondary mechanism is necessary to explain the speed at which breakdown occurs. The simulations reported here indicate…”
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Movement of Dust between Electrodes in an Electrostatically Augmented Fabric Filter by Penney, Gaylord W., Uber, James G.

“…An electric field normal to a fabric filter is used to improve the performance of the filter, but unfortunately this field provides a force tending to pull…”
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Movement of Dust Between Electrodes in an Electrostatically Augmented Fabric Filter by Penney, Gaylord W., Uber, James G.

“…An electric field normal to a fabric filter is used to improve the performance of the filter, but unfortunately, this field provides a force tending to pull…”
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Parallel and Turbulent Flow Precipitator Efficiencies for Distributions of Particle Mobilities by Hoburg, James F., Penney, Gaylord W.

“…Regimes of parallel and turbulent flow in a parallel plate precipitator are discussed as theoretical idealizations. Particle trajectories and resultant…”
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Experimental Investigation of Electrostatic Effects in the Adhesion of Dry Dusts by Uber, Arthur E., Hoburg, James F., Penney, Gaylord W.

“…The work reported here is motivated by the supposition that in electrostatic precipitation, electrostatic forces arising from contact potential differences are…”
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Correlations of Single-Stage and Cascaded Two-Stage Single-Stage Precipitation Efficiencies to Particle Resistivity by Dvorsky, James E., Hoburg, James F., Penney, Gaylord W.

“…Precipitation efficiencies for redispersed welding smoke are measured as functions of humidity and hence resistivity for a single-stage precipitator and for a…”
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Electrostatic precipitation studies at Carnegie Institute of Technology by Penney, G W

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Experimental Investigation of Electrostatic Effects in the Adhesion of Dry Dusts by Uber, Arthur E., Hoburg, James F., Penney, Gaylord W.

“…It is supposed that in two-stage electrostatic precipitation, electrostatic forces arising from contact potential differences are important in the adhesion of…”
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Role of adhesion in electrostatic precipitation by PENNEY, G W

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Sparkover as influenced by surface conditions in D-C Corona by Penney, Gaylord W., Craig, Samuel E.

“…Sparkover between clean electrodes has been investigated extensively but it is found that sparkover between contaminated electrodes exhibits very different…”
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Potentials in D-C corona fields by Penney, Gaylord W., Matick, Richard E.

“…A probe method has been devised for measuring potentials in d-c corona fields which are uniform for a short distance in one direction. In unipolar corona, a…”
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Some measurements of abnormal corona by Penney, Gaylord W., Hewitt, Jack G.

“…Corona is universally used for charging particles in electrostatic precipitation. In normal corona there is a glow at the active electrode, usually a wire,…”
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Measurements of charge imparted to fine particles by a corona discharge by Penney, Gaylord W., Lynch, Robert D.

“…IN electrostatic precipitation the diffusion mechanism of charging fine particles is extremely difficult to treat mathematically unless rather drastic…”
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Correlations of Single-Stage and Cascaded Two-Stage, Single-Stage Precipitation Efficiencies to Particle Resistivity by Dvorsky, James E., Hoburg, James F., Penney, Gaylord W.

“…Precipitation efficiencies for redispersed welding smoke are measured as functions of humidity and hence resistivity for a single-stage precipitator and for a…”
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Charging of Fine Particles in Negative Corona near Sparkover by Crynack, Robert R., Penney, Gaylord W.

“…The conventional theory for the charging of fine particles assumes that only ions are responsible for particle charging. Thus, the possibility of the presence…”
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A theoretical analysis of the effects of an electric field on the charging of fine particles by Murphy, Arthur T., Adler, Felix T., Penney, Gaylord W.

“…Recent measurements of charge imparted to fine particles by unipolar ions in a strong electric field have shown that this charge is appreciably higher than…”
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Effect of Capacitance on Electrostatic Precipitator Operating Voltage by Collins, William E., Penney, Gaylord W.

“…Pilot plant precipitators can usually operate at much higher voltages than the equipment they are meant to simulate. A possible reason for the difference in…”
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Ionization of a gas by radiation from a discharge by Penney, W. Gaylord, Voshall, E. Roy

“…Measurements of ionization of a gas by radiation from the positive column of a glow discharge indicated that ionizing radiation is produced primarily by…”
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Influence of Mechanical Collection on Electrostatic Precipitator Sparkover Voltage---A Laboratory Simulation by Penney, Gaylord W., Alverson, T. E.

“…Experiments were conducted to study the effects that a mechanical collector might have on sparkover voltage in an electro-static precipitator located…”
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