Search Results - "Yenchek, Michael R."

The potential impact of light emitting diode lighting on reducing mining injuries during operation and maintenance of lighting systems by Yenchek, Michael R., Sammarco, John J.

“…Research by the US National Institute for Occupational Safety and Health (NIOSH) indicates that light emitting diodes (LEDs) can be used to enhance safety by…”
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NIOSH-Sponsored Research in Through-the-Earth Communications for Mines: A Status Report by Yenchek, M. R., Homce, G. T., Damiano, N. W., Srednicki, J. R.

“…This paper presents the results of recent contractual research sponsored by the National Institute for Occupational Safety and Health that aimed at…”
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NIOSH-sponsored research in through-the-earth communications for mines-a status report by Yenchek, M. R., Homce, G. T., Damiano, N., Srednicki, J.

“…This paper presents the results of recent NIOSH-sponsored contractual research aimed at demonstrating the feasibility of through-the-earth wireless…”
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Remote Vision System for Dozers on Coal Stockpiles by Schiffbauer, W.H., Yenchek, M.R., Lutz, T.

“…The National Institute for Occupational Safety and Health (NIOSH) Pittsburgh Research Laboratory (PRL) participated in an experiment to facilitate the remote…”
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Feasibility study to reduce injuries and fatalities caused by contact of cranes, drill rigs, and haul trucks with high-tension lines by Sacks, H.K., Cawley, J.C., Homce, G.T., Yenchek, M.R.

“…Overhead electric power lines present a serious electrocution hazard to personnel in a variety of industries. Overhead lines, typically uninsulated conductors…”
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Distinguishing motor starts from short circuits through phase-angle measurements by Yenchek, M.R., Cawley, J.C., Brautigain, A.L., Peterson, J.S.

“…The National Institute for Occupational Safety and Health investigated how the starting of induction motors may cause nuisance tripping of short-circuit…”
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Thermal modeling of portable power cables by Yenchek, M.R., Cole, G.P.

“…The US Bureau of Mines investigated the performance of portable power cables under time-varying load conditions. This research had a twofold purpose: (1) to…”
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Thermal characteristics of energized shielded drag and an unshielded reeled trailing cable by Yenchek, M.R., Kovalchik, P.G.

“…Research to determine the relationship between current load and temperature rises in shielded and reeled coal mine trailing cables is discussed. Temperatures…”
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The impact of current load on mine-trailing cable thermal life by Yenchek, M.R., Kovalchik, P.G.

“…The US Bureau of Mines has determined a method for calculating coal mine portable power cable thermal life for a specified temperature loading. This work was…”
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Thermal characteristics of energized coal mine trailing cables by Yenchek, M.R., Kovalchik, P.G.

“…The US Bureau of Mines conducted research to determine the relationship between current load and temperature rises in coal mine trailing cables. Six…”
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The Bureau of Mines Shock-Prevention Research Program - An Overview by Yenchek, Michael R.

“…The purpose of the US Department of Interior's Bureau of Mines shock-prevention research program is to improve general electrical safety in mines by preventing…”
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Operational characteristics of trailing cable splices by Yenchek, M.R., Schuster, K.C., Hudson, A.J.

“…The US Bureau of Mines investigated the operational characteristics of spliced portable power cables. This research had a dual purpose: (1) to, determine the…”
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Mechanical performance of thermally aged trailing-cable insulation by Yenchek, M.R., Kovalchik, P.G.

“…As part of an overall effort relating cable life and current load, the US Bureau of Mines conducted research to determine the effects of elevated temperatures…”
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HEAVY EQUIPMENT NEAR OVERHEAD POWER LINES? by Homce, Gerald T, Cawley, James C, Sacks, H Kenneth, Yenchek, Michael R

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Thermal Modeling Of Portable Power Cables by Yenchek, M.R., Cole, G.P.

“…The U.S. Bureau of Mines investigated the performance of portable power cables under time-varying load conditions. This research had a twofold purpose: (1) to…”
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Performance and Test Criteria for DC Fuses in Coal Mine Applications by Cataltepe, Tayfun, Stanek, Eldon K., Wiitanen, Dennis O., Yenchek, Michael R.

“…A comprehensive study was made of dc system parameters in coal mines to recommend performance and test criteria for dc fuses. Field tests were conducted in ten…”
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Sensitive DC Ground Fault Relays for Coal Mines by Yenchek, Michael R., Trutt, Frederick C., Kohler, Jeffrey L., Morley, Lloyd A., Novak, Thomas

“…Recent US Bureau of Mines sponsored research aimed at virtually eliminating electrocutions on dc utilization circuits has resulted in an effective dc circuit…”
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