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    Conceptual Design and Cooling Blade Development of 1700°C Class High-Temperature Gas Turbine

    Source: Journal of Engineering for Gas Turbines and Power:;2005:;volume( 127 ):;issue: 002::page 358
    Author:
    Shoko Ito
    ,
    Elichi Koda
    ,
    Miki Koyama
    ,
    Toru Ninomiya
    ,
    Toru Takehashi
    ,
    Hiroshi Saeki
    ,
    Asako Inomata
    ,
    Mikio Sato
    ,
    Fumio Ootomo
    ,
    Katsuya Yamashita
    ,
    Yoshitaka Fukuyama
    DOI: 10.1115/1.1806456
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In this paper we describe the conceptual design and cooling blade development of a 1700°C-class high-temperature gas turbine in the ACRO-GT-2000 (Advanced Carbon Dioxide Recovery System of Closed-Cycle Gas Turbine Aiming 2000 K) project. In the ACRO-GT closed cycle power plant system, the thermal efficiency aimed at is more than 60% of the higher heating value of fuel (HHV). Because of the high thermal efficiency requirement, the 1700°C-class high-temperature gas turbine must be designed with the minimum amount of cooling and seal steam consumption. The hybrid cooling scheme, which is a combination of closed loop internal cooling and film ejection cooling, was chosen from among several cooling schemes. The elemental experiments and numerical studies, such as those on blade surface heat transfer, internal cooling channel heat transfer, and pressure loss and rotor coolant passage distribution flow phenomena, were conducted and the results were applied to the conceptual design advancement. As a result, the cooling steam consumption in the first stage nozzle and blade was reduced by about 40% compared with the previous design that was performed in the WE-NET (World Energy Network) Phase-I.
    keyword(s): Cooling , Blades , Conceptual design , High temperature , Gas turbines , Nozzles , Flow (Dynamics) , Turbines , Heat transfer , Channels (Hydraulic engineering) , Coolants , Design AND Pressure ,
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      Conceptual Design and Cooling Blade Development of 1700°C Class High-Temperature Gas Turbine

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/131802
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    • Journal of Engineering for Gas Turbines and Power

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    contributor authorShoko Ito
    contributor authorElichi Koda
    contributor authorMiki Koyama
    contributor authorToru Ninomiya
    contributor authorToru Takehashi
    contributor authorHiroshi Saeki
    contributor authorAsako Inomata
    contributor authorMikio Sato
    contributor authorFumio Ootomo
    contributor authorKatsuya Yamashita
    contributor authorYoshitaka Fukuyama
    date accessioned2017-05-09T00:16:11Z
    date available2017-05-09T00:16:11Z
    date copyrightApril, 2005
    date issued2005
    identifier issn1528-8919
    identifier otherJETPEZ-26864#358_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/131802
    description abstractIn this paper we describe the conceptual design and cooling blade development of a 1700°C-class high-temperature gas turbine in the ACRO-GT-2000 (Advanced Carbon Dioxide Recovery System of Closed-Cycle Gas Turbine Aiming 2000 K) project. In the ACRO-GT closed cycle power plant system, the thermal efficiency aimed at is more than 60% of the higher heating value of fuel (HHV). Because of the high thermal efficiency requirement, the 1700°C-class high-temperature gas turbine must be designed with the minimum amount of cooling and seal steam consumption. The hybrid cooling scheme, which is a combination of closed loop internal cooling and film ejection cooling, was chosen from among several cooling schemes. The elemental experiments and numerical studies, such as those on blade surface heat transfer, internal cooling channel heat transfer, and pressure loss and rotor coolant passage distribution flow phenomena, were conducted and the results were applied to the conceptual design advancement. As a result, the cooling steam consumption in the first stage nozzle and blade was reduced by about 40% compared with the previous design that was performed in the WE-NET (World Energy Network) Phase-I.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleConceptual Design and Cooling Blade Development of 1700°C Class High-Temperature Gas Turbine
    typeJournal Paper
    journal volume127
    journal issue2
    journal titleJournal of Engineering for Gas Turbines and Power
    identifier doi10.1115/1.1806456
    journal fristpage358
    journal lastpage368
    identifier eissn0742-4795
    keywordsCooling
    keywordsBlades
    keywordsConceptual design
    keywordsHigh temperature
    keywordsGas turbines
    keywordsNozzles
    keywordsFlow (Dynamics)
    keywordsTurbines
    keywordsHeat transfer
    keywordsChannels (Hydraulic engineering)
    keywordsCoolants
    keywordsDesign AND Pressure
    treeJournal of Engineering for Gas Turbines and Power:;2005:;volume( 127 ):;issue: 002
    contenttypeFulltext
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