NDLI: Computation of Rotor/Stator Interaction With Hydrogen-Fuelled Combustion

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Sato, Masanori Nagumo, Takashi Toda, Kazuyuki Yamamoto, Makoto
Copyright Year	2003
Abstract	For the next-generation aircraft, a new propulsion system using hydrogen fuel has been proposed. In the present system, hydrogen fuel injected from a stator surface combusts in the turbine passages, accordingly, the conventional combustor can be cut out. The advantage of this system is that we can design a lighter and smaller engine with low emission. We have demonstrated the realizability of this system by using the cycle analysis and the numerical simulations. Through the previous studies, it was confirmed that the rotor/stator interaction has to be investigated, because the hydrogen combustion phenomena within the stator passage is so complex, and thus it would highly affect the rotor performance. In this paper, we focus on the rotor/stator interaction for the detailed investigation of realizability of this system. The 2- and 3-dimensional numerical simulations are performed for a single stage turbine with hydrogen-fuelled combustion. In the 2-dimensional study, the effects of the injection position and injection rate on the flow structure, the static temperature over the blades, and the blade performance are investigated. Furthermore, 3-dimensional numerical simulation is performed. The general aspect of 3-dimensional flow field is demonstrated, and the effect of hydrogen combustion on the components of turbine, for example hub, tip and blade, are investigated.
Sponsorship	Fluids Engineering Division
Starting Page	1085
Ending Page	1090
Page Count	6
File Format	PDF
ISBN	0791836975
DOI	10.1115/FEDSM2003-45618
e-ISBN	0791836738
Volume Number	Volume 2: Symposia, Parts A, B, and C
Conference Proceedings	ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference
Language	English
Publisher Date	2003-07-06
Publisher Place	Honolulu, Hawaii, USA
Access Restriction	Subscribed
Subject Keyword	Cycles Hydrogen fuels Temperature Blades Computer simulation Hydrogen Rotors Combustion Flow (dynamics) Engines Emissions Design Computation Stators Combustion chambers Aircraft Propulsion systems Turbines Turbine components
Content Type	Text
Resource Type	Article

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