Gas turbine gas path diagnostics: A review Amare Desalegn Fentaye, Syed Ihtsham Ul-Haq Gilani and Aklilu Tesfamichael Baheta MATEC Web Conf., 74 (2016) 00005 Published online: 29 August 2016 DOI: 10.1051/matecconf/20167400005