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    Gas Turbine Engine Health Management: Past, Present, and Future Trends

    Source: Journal of Engineering for Gas Turbines and Power:;2014:;volume( 136 ):;issue: 005::page 51201
    Author:
    Volponi, Allan J.
    DOI: 10.1115/1.4026126
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Engine diagnostic practices are as old as the gas turbine itself. Monitoring and analysis methods have progressed in sophistication over the past six decades as the gas turbine evolved in form and complexity. While much of what will be presented here may equally apply to both stationary power plants and aeroengines, the emphasis will be on aeropropulsion. Beginning with primarily empirical methods centered on monitoring the mechanical integrity of the machine, the evolution of engine diagnostics has benefited from advances in sensing, electronic monitoring devices, increased fidelity in engine modeling, and analytical methods. The primary motivation in this development is, not surprisingly, cost. The ever increasing cost of fuel, engine prices, spare parts, maintenance, and overhaul all contribute to the cost of an engine over its entire life cycle. Diagnostics can be viewed as a means to mitigate risk in decisions that impact operational integrity. This can have a profound impact on safety, such as inflight shutdowns (IFSD) for aero applications, (outages for landbased applications) and economic impact caused by unscheduled engine removals (UERs), part life, maintenance and overhaul, and the overall logistics of maintaining an aircraft fleet or power generation plants. This paper will review some of the methods used in the preceding decades to address these issues, their evolution to current practices, and some future trends. While several different monitoring and diagnostic systems will be addressed, the emphasis in this paper will be centered on those dealing with the aerothermodynamic performance of the engine.
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      Gas Turbine Engine Health Management: Past, Present, and Future Trends

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    contributor authorVolponi, Allan J.
    date accessioned2017-05-09T01:07:34Z
    date available2017-05-09T01:07:34Z
    date issued2014
    identifier issn1528-8919
    identifier othergtp_136_05_051201.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/154694
    description abstractEngine diagnostic practices are as old as the gas turbine itself. Monitoring and analysis methods have progressed in sophistication over the past six decades as the gas turbine evolved in form and complexity. While much of what will be presented here may equally apply to both stationary power plants and aeroengines, the emphasis will be on aeropropulsion. Beginning with primarily empirical methods centered on monitoring the mechanical integrity of the machine, the evolution of engine diagnostics has benefited from advances in sensing, electronic monitoring devices, increased fidelity in engine modeling, and analytical methods. The primary motivation in this development is, not surprisingly, cost. The ever increasing cost of fuel, engine prices, spare parts, maintenance, and overhaul all contribute to the cost of an engine over its entire life cycle. Diagnostics can be viewed as a means to mitigate risk in decisions that impact operational integrity. This can have a profound impact on safety, such as inflight shutdowns (IFSD) for aero applications, (outages for landbased applications) and economic impact caused by unscheduled engine removals (UERs), part life, maintenance and overhaul, and the overall logistics of maintaining an aircraft fleet or power generation plants. This paper will review some of the methods used in the preceding decades to address these issues, their evolution to current practices, and some future trends. While several different monitoring and diagnostic systems will be addressed, the emphasis in this paper will be centered on those dealing with the aerothermodynamic performance of the engine.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleGas Turbine Engine Health Management: Past, Present, and Future Trends
    typeJournal Paper
    journal volume136
    journal issue5
    journal titleJournal of Engineering for Gas Turbines and Power
    identifier doi10.1115/1.4026126
    journal fristpage51201
    journal lastpage51201
    identifier eissn0742-4795
    treeJournal of Engineering for Gas Turbines and Power:;2014:;volume( 136 ):;issue: 005
    contenttypeFulltext
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