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Abstract
A study on how degradation develops and affects the performance of the process rotating machine is presented. Main degradation reasons are identified as increased clearances, component geometry changes and flow path surface quality modifications. Parameters that indicate levels of degradation are outlined, thus providing guidance for machine specification, condition monitoring practice and renovation methods. Case study and experimental data are provided that supports the theoretical conclusion.
Additional information
Notes on contributors
A Almasi
Amin Almasi is lead rotating equipment engineer at WorleyParsons, Brisbane, Australia. He previously worked at Technicas Reunidas (Madrid, Spain) and Fluor (various offices). He has a MSc and BSc in mechanical engineering, is a chartered professional engineer of Engineers Australia (MIEAust CPEng – Mechanical) and IMechE (CEng MIMechE), and RPEQ (Registered Professional Engineer) in Queensland. He specialises in rotating machines including centrifugal, screw and reciprocating compressors, gas turbines, steam turbines, engines, pumps, subsea, offshore rotating machines, LNG units, condition monitoring and reliability. Amin is an active member of Engineers Australia, IMechE, ASME, CMVI, Vibration Institute, SPE, IEEE, SMRP and IDGTE. He has authored more than 45 papers and articles dealing with rotating equipment, condition monitoring, offshore, subsea and reliability.