?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Investigation+of+Viscor+and+Methanol+Spray+Dynamics+Using+Proper+Orthogonal+Decomposition+in+Siemens+Energy+Industrial+Atomisers+(GT2024-126663)&rft.creator=Alshahrani%2C+A&rft.creator=Mohni%2C+I&rft.creator=Ajisafe%2C+A&rft.creator=Furi%2C+M&rft.creator=Houde%2C+M&rft.creator=Sadasivuni%2C+S&rft.creator=Engelbrecht%2C+G&rft.creator=Bulat%2C+G&rft.creator=Talibi%2C+M&rft.creator=Balachandran%2C+R&rft.creator=Ducci%2C+A&rft.description=The+demand+to+reduce+carbon+emissions+has+prompted+research+into+alternative+fuels+that+can+replace+conventional+fuels+like+diesel+in+industrial+gas+turbines.+Among+different+potential+biofuels+and+e-fuels%2C+methanol+emerges+as+a+sustainable+and+high-performance+alternative+to+diesel+for+gas+turbine+applications.+It+is+well+established+that+the+fuel+physical+properties%2C+spray+dynamics+and+degree+of+atomisation+are+strongly+correlated+and+affect+the+engine+performance.+In+this+study%2C+Proper+Orthogonal+Decomposition+(POD)+was+applied+on+spatio-temporally+resolved+images+to+characterise+Viscor%2C+here+used+as+diesel+surrogate%2C+and+methanol+sprays+of+pressure-swirl+atomisers+employed+in+Siemens+Energy+industrial+gas+turbine+(SGT-400)+combustors.+The+methanol+experimental+results+were+then+compared+against+Viscor+results+at+analogous+operating+conditions%2C+including+density+adjusted+atomiser+pressure+drop+and+ambient+pressures.+Results+confirmed+that+the+methanol+spray+cone+angle+is+slightly+wider+than+Viscor+at+corresponding+operating+conditions.+The+POD+analysis+allowed+to+identify+dominant+spatial+oscillation+modes+and+characterise+them+in+terms+of+oscillation+amplitude%2C+wavelength+and+onset+distance+from+the+atomiser+edge+for+both+fuels.+Oscillation+wavelengths+and+maximum+amplitudes+were+found+to+correlate+with+Weber+number%2C+average+SMD+and+axial+jet+velocities.&rft.subject=Atomisation%2C+methanol%2C+spray+dynamics%2C+POD%2C+alternative+fuels&rft.publisher=American+Society+of+Mechanical+Engineers+(ASME)&rft.date=2024-08-28&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+ASME+Turbo+Expo+2024.++++American+Society+of+Mechanical+Engineers+(ASME)%3A+London%2C+UK.+(2024)+++++&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10198394%2F