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    Design Optimization and Variable Geometries Implementation of a High Bypass Three-Shaft Turbofan Engine for EIS2050

    Source: Journal of Engineering for Gas Turbines and Power:;2022:;volume( 144 ):;issue: 009::page 94501
    Author:
    Mo, Da;Roumeliotis, Ioannis;Mourouzidis, Christos;Kissoon, Sajal;Liu, Yixiong
    DOI: 10.1115/1.4054944
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: This paper aims to develop an advanced three-shaft turbofan engine with ultrahigh bypass ratio (BPR) for entry-into-service (EIS)2050. The boundary approaching method is utilized to obtain the optimal engine for a series of engines with different fan diameters. Furthermore, the flight mission analysis was carried out to fully consider the engine performance and weight penalty. The optimum engine employs a 3.26 m fan diameter with ultrahigh BPR reaching 21.39. The corresponding specific fuel consumption (SFC) is 11.42 (g/s)/kN, which is 3.88% lower than the 2.95 m fan diameter engine. However, the weight penalty has offset part of the benefits, and the block fuel reduction is 2.5%. Sensitivity analysis results reveal that the low-pressure turbine (LPT) efficiency plays a dominant role in engine performance. Afterwards, the effects of variable geometry are investigated including the blow-off valve (BOV), variable inlet guide vane (VIGV), and bypass variable area nozzle (VAN). Results show that combining the three measures would boost engine performance and save fuel. The designed schedule for the combination of VIGV, BOV, and VAN has generated a reduction in block fuel, NOx, CO2, and H2O reaching 3.36%, 5.55%, 2.47%, and 2.53%, respectively.
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      Design Optimization and Variable Geometries Implementation of a High Bypass Three-Shaft Turbofan Engine for EIS2050

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4288045
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    contributor authorMo, Da;Roumeliotis, Ioannis;Mourouzidis, Christos;Kissoon, Sajal;Liu, Yixiong
    date accessioned2022-12-27T23:10:59Z
    date available2022-12-27T23:10:59Z
    date copyright7/21/2022 12:00:00 AM
    date issued2022
    identifier issn0742-4795
    identifier othergtp_144_09_094501.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4288045
    description abstractThis paper aims to develop an advanced three-shaft turbofan engine with ultrahigh bypass ratio (BPR) for entry-into-service (EIS)2050. The boundary approaching method is utilized to obtain the optimal engine for a series of engines with different fan diameters. Furthermore, the flight mission analysis was carried out to fully consider the engine performance and weight penalty. The optimum engine employs a 3.26 m fan diameter with ultrahigh BPR reaching 21.39. The corresponding specific fuel consumption (SFC) is 11.42 (g/s)/kN, which is 3.88% lower than the 2.95 m fan diameter engine. However, the weight penalty has offset part of the benefits, and the block fuel reduction is 2.5%. Sensitivity analysis results reveal that the low-pressure turbine (LPT) efficiency plays a dominant role in engine performance. Afterwards, the effects of variable geometry are investigated including the blow-off valve (BOV), variable inlet guide vane (VIGV), and bypass variable area nozzle (VAN). Results show that combining the three measures would boost engine performance and save fuel. The designed schedule for the combination of VIGV, BOV, and VAN has generated a reduction in block fuel, NOx, CO2, and H2O reaching 3.36%, 5.55%, 2.47%, and 2.53%, respectively.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleDesign Optimization and Variable Geometries Implementation of a High Bypass Three-Shaft Turbofan Engine for EIS2050
    typeJournal Paper
    journal volume144
    journal issue9
    journal titleJournal of Engineering for Gas Turbines and Power
    identifier doi10.1115/1.4054944
    journal fristpage94501
    journal lastpage94501_7
    page7
    treeJournal of Engineering for Gas Turbines and Power:;2022:;volume( 144 ):;issue: 009
    contenttypeFulltext
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