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Finite element analysis of fretting fatigue of fretted wires [PDF]

open access: yes, 2015
Abdel Wahab, Magd   +6 more
core   +1 more source

The Hoisting Machines as Source of Higher Harmonics in Underground Mines

open access: yes
The chapter describes the structure of drive systems used in hoisting machinery of underground mines. These devices, due to their special application and power, are characterized by special traits. The most commonly used systems with DC reciprocating motors are described. The so-called complex (multi-pulse) converters are used in those solutions.
openaire   +1 more source

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