IGTC-122 Hot Gas Spin Testing of Ceramic Radial Turbine Rotors(Organized Session IV CERAMICS FOR GAS TURBINES AND TURBOCHARGERS)

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概要

• 論文の詳細を見る

• The reliability of ceramic turbine rotors at high temperatures was evaluated using a newly-designed hot gas spin test rig. With the turbine inlet gas temperature at 1200℃ under load-free conditions, the highest tip speed at which silicon nitride turbine rotors having an 85mm blade tip diameter ran for 5 minutes without failure was 600m/s. Based on approximate calculations, this paper discusses how temperatures of turbine rotors differed in hot gas spin tests under load-free conditions, and in a gas turbine engine under loaded conditions. Some key points in the design of the turbine rotors and the test rig are also presented.

• 公益社団法人日本ガスタービン学会の論文

著者

• Miyauchi J.

  Truck And Bus Engineering Center Mitsubishi Motors Cooperation

• Matsuo E.

  Nagasaki Technical Institute, Mitsubishi Heavy Industries, Ltd.

• Inagaki T.

  Nagoya Aircraft Works Mitsubishi Heavy Industries Ltd.

• Kobayashi Y.

  Truck & Bus Engineering Center Mitsubishi Motors Corporation

• Miyauchi J.

  Truck & Bus Engineering Center Mitsubishi Motors Corporation

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• IGTC-88 TRUCK TURBINE ENGINE DEVELOPMENT AT MITSUBISHI(Session C-2 Vehicular Gas Turbine II)
• IGTC-77 DEVELOPMENT OF A VARIABLE GEOMETRY TURBOCHARGER FOR TRUCKS AND BUSES
• IGTC-77 DEVELOPMENT OF A VARIABLE GEOMETRY TURBOCHARGER FOR TRUCKS AND BUSES(Session B-10 Turbocharger II)
• IGTC-8 COOLING CHARACTERISTICS OF AIR COOLED RADIAL TURBINE BLADES
• IGTC-8 COOLING CHARACTERISTICS OF AIR COOLED RADIAL TURBINE BLADES(Session A-3 Heat Transfer III (Internal Surface))
• IGTC-122 Hot Gas Spin Testing of Ceramic Radial Turbine Rotors(Organized Session IV CERAMICS FOR GAS TURBINES AND TURBOCHARGERS)

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