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Xiaojun Yang, Hongming Cai, Jinhui Kang, Wenbo Liu and Peiran Li
In modern civil aeroengines, the hot streak and swirl at the exit of the combustor have a significant impact on the aerothermal performance of the high-pressure turbine (HPT). Due to the different design purposes of the combustor and the turbine, hot str...
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Giovanna Barigozzi, Silvia Mosconi, Antonio Perdichizzi and Silvia Ravelli
Hot streak migration in a linear vane cascade with showerhead film cooling was experimentally and numerically investigated at isentropic exit Mach number of Ma2is = 0.40, with an inlet turbulence intensity level of Tu1 = 9%. Two tangential positions of t...
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Shenghui Zhang, Shuiting Ding, Peng Liu and Tian Qiu
In advanced civil aero-engine, the gas exiting combustor typically features hot streak (HS) and swirl that affect the aerothermal performances of the high pressure (HP) nozzle guide vane (NGV). The purpose of this paper is to study the influences of HS o...
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Benjamin Waggoner, Daniel Wines, Brian P. Soebbing, Chad S. Seifried and Jean Michael Martinez
Several articles have looked at factors that affect the adjustments of point spreads, based on hot hands or streaks, for smaller durations of time. This study examines these effects for 34 regular seasons in the National Basketball Association (NBA). Est...
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Paolo Gaetani and Giacomo Persico
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Paolo Gaetani and Giacomo Persico
This paper presents the results of an experimental study on the evolution of hot streaks generated by gas turbine burners in an un-cooled high-pressure turbine stage. The prescribed hot streaks were directed streamwise and characterized by a 20% over-tem...
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Axel Holewa, Sergey Lesnik, Graham Ashcroft and Sébastien Guérin
The interaction of steady hot streaks from an annular ring of combustion chambers with turbine rotating blades can potentially generate tonal noise. The relevance of this source mechanism in aeroengine noise is controversially discussed in the literature...
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