eprintid: 7617
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/00/76/17
datestamp: 2023-11-09 16:19:26
lastmod: 2023-11-09 16:19:26
status_changed: 2023-11-09 16:09:54
type: article
metadata_visibility: show
creators_name: Amare, D.F.
creators_name: Aklilu, T.B.
creators_name: Gilani, S.I.
title: Effects of performance deterioration on gas path measurements in an industrial gas turbine
ispublished: pub
note: cited By 3
abstract: Studying gas turbine degradation causes and their consequences helps to obtain profound comprehension in how performance deterioration affects the dependent parameters and to explore relevant information about the nature of the fault signatures for fault diagnostics purpose. In this paper, the effects of compressor fouling, gas generator turbine erosion, and power turbine erosion on the engine dependent parameters were considered separately and together. In this regard, firstly, performance prediction model was developed to LM2500 engine using gas turbine simulation program. It was then used to simulate the deterioration effects by means of artificially implanted fault case patterns. Comparison of the clean and deteriorated measurement gives the deviation due to performance degradation. Accordingly, sensitivity order of the gas path parameters to the corresponding performance deterioration was assessed. This helps to select the key parameters, which are crucial in the process of fault detection and isolation. The results showed that, in most of the cases, air mass flow rate, compressor delivery pressure and temperature, gas generator rotational speed, power turbine inlet pressure, and exhaust gas temperature showed significant deviations. Particularly, the compressor delivery pressure and exhaust gas temperature were the parameters highly influenced by all the fault cases. Moreover, faults that have similar impacts are identified, in order to show the difficulty of gas turbine health assessment through direct observation to the measurement deviations. © 2006-2016 Asian Research Publishing Network (ARPN). All rights reserved.
date: 2016
publisher: Asian Research Publishing Network
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85009193746&partnerID=40&md5=4f2fa9150a564c3cea3fd6166f477f3e
full_text_status: none
publication: ARPN Journal of Engineering and Applied Sciences
volume: 11
number: 24
pagerange: 14202-14207
refereed: TRUE
issn: 18196608
citation:   Amare, D.F. and Aklilu, T.B. and Gilani, S.I.  (2016) Effects of performance deterioration on gas path measurements in an industrial gas turbine.  ARPN Journal of Engineering and Applied Sciences, 11 (24).  pp. 14202-14207.  ISSN 18196608