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Home Publications Reports The problems of reciprocator diagnostics

The problems of reciprocator diagnostics

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Nowadays the problem of trouble-free, safe, observable operation of the reciprocator fleet (especially internal combustion engines and reciprocating compressors of oil-and-gas refining, chemical complexes) becomes urgent. In addition, that is a problem of the maximum resource exploitation solvable by development and implementation of the technology for diagnostics and monitoring of the reciprocator technical condition.

The result of technical diagnostics is the determination of values of structural parameters characterizing technical condition of the reciprocator, its units and parts. In order to estimate residual life in terms of the law of variation of controlled parameter during operation it is necessary to know its actual and limiting value. However, determination of actual value of many structural parameters is practically impossible in view of working reciprocator. Their determination during the reciprocator dismantling affects quality of the couplings of re-assembled reciprocator and changes the patterns of processes of interaction of parts in the couplings, which makes practical use of this method of data obtaining unacceptable. In this case, the diagnosing is carried out through indirect characteristics that are quantitatively evaluated by diagnostic characteristics. The analysis of the applicability of various methods for diesel engine (as an example) diagnosing shows that diesel engine malfunctions can be detected with the help of four basic methods: thermodynamic, parametric, spectral (‘metal in the medium’), vibroacoustic.

Considering the variety of primary transformers, secondary equipment and methods of the signal processing by all these methods we must conclude that the application of vibroacoustic method enables significant reduction of the costs of development, implementation and operation of the system for reciprocator technical diagnostics.

 

Naumenko A.P. The problems of reciprocator diagnostics // Nauka, obrazovanie, biznes (Science, education, business). - 2007. - pp. 84-92

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Tags: piston compressor technical condition Date: 29.03.2011
Views: 1305
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