Design and implementation of a novel interior permanent magnet bearingless slice motor [0.03%]
一种新型内置永磁无轴承盘式电机的设计与实现
Benjamin S Weinreb,Minkyun Noh,Donald C Fyler et al.
Benjamin S Weinreb et al.
In this paper, we present a bearingless motor with a novel segmented dipole interior permanent magnet (IPM) slice rotor. The segmented dipole IPM rotor contains a unique pattern of interior permanent magnets arranged to generate a dipole ai...
Peukert's Law for Supercapacitors with Constant Power Loads: Applicability and Application [0.03%]
超级电容器在恒定功率负载下的Peukert定律:适用性和应用
Hengzhao Yang
Hengzhao Yang
This paper examines the applicability of Peukert's law to supercapacitors with constant power loads and the application of this relationship in predicting the supercapacitor discharge time during a constant power discharge process. Original...
Effects of Light Spectrum on Luminance Measurements in Underground Coal Mines [0.03%]
光照光谱对煤矿井下亮度测量的影响
Max J Martell;CDC NIOSH;John J Sammarco,Brendan D Macdonald;CDC NIOSH
Max J Martell;CDC NIOSH;John J Sammarco
Lighting regulations for luminance in U. S. coal mines are verified in the field by using a luminance photometer calibrated to the Standard Illuminant A light source. Significant measurement errors can exist when measuring light sources tha...
Intrinsically Safe Systems: Equivalency of International Standards Compared to U.S. Mining Approval Criteria [0.03%]
固有安全系统:国际标准与美国矿山审批准则的等效性比较分析
William Calder,David P Snyder,John F Burr
William Calder
This paper provides a suitability determination of international standards for evaluating electrical and electronic systems and line powered apparatus as an alternative to the Mine Safety and Health Administration (MSHA) criteria for two-fa...
Simulation and Measurement of Through-the-Earth, Extremely Low-Frequency Signals Using Copper-Clad Steel Ground Rods [0.03%]
基于铜包钢接地棒的井下超低频信号仿真与测试研究
Nicholas William Damiano,Lincan Yan,Bruce Whisner et al.
Nicholas William Damiano et al.
The underground mining environment can greatly affect radio signal propagation. Understanding how the earth affects signal propagation is a key to evaluating communications systems used during a mine emergency. One type of communication sys...
Simulation and Measurement of Medium-Frequency Signals Coupling From a Line to a Loop Antenna [0.03%]
关于传输线向环天线感应中频信号的仿真与测试研究
Nicholas W Damiano,Jingcheng Li,Chenming Zhou et al.
Nicholas W Damiano et al.
The underground-mining environment can affect radio-signal propagation in various ways. Understanding these effects is especially critical in evaluating communications systems used during normal mining operations and during mine emergencies...
Injury Surveillance and Safety Considerations for Large-Format Lead-Acid Batteries Used in Mining Applications [0.03%]
大型铅酸电池在采矿应用中的伤害监控和安全考虑因素
Miguel Angel Reyes,Thomas Novak
Miguel Angel Reyes
Large lead-acid batteries are predominantly used throughout the mining industry to power haulage, utility, and personnel-carrier vehicles. Without proper operation and maintenance, the use of these batteries can introduce mechanical and ele...
Thomas H Dubaniewicz Jr,Joseph P DuCarme
Thomas H Dubaniewicz Jr
National Institute for Occupational Safety and Health researchers are studying the potential for Li-ion-battery thermal runaway from an internal short circuit in equipment approved as permissible for use in underground coal mines. Researche...
Peter R C Gascoyne,Xiao-Bo Wang,Ying Huang et al.
Peter R C Gascoyne et al.
Recent measurements have demonstrated that the dielectric properties of cells depend on their type and physiological status. For example, MDA-231 human breast cancer cells were found to have a mean plasma membrane specific capacitance of 26...