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    A Semi-Analytical Finite Rate Two-Reactor Model for Gas Turbine Combustors

    Source: Journal of Engineering for Gas Turbines and Power:;1998:;volume( 120 ):;issue: 003::page 495
    Author:
    J. H. Tonouchi
    ,
    T. J. Held
    ,
    H. C. Mongia
    DOI: 10.1115/1.2818172
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A gas turbine combustor is modeled using a two-reactor, finite-rate mixing and chemistry gas particle approach. The first reactor, used to simulate combustion in the primary zone, permits independent definition of the rates of macromixing and micromixing within the reactor, and the amount of premixing of fuel and air entering the reactor. Finite-rate macromixing is simulated by consideration of the fluid particle residence time distribution frequency function and the ages of the particles in the reactor. Finite-rate micromixing is simulated using a modified Coalescence-Dispersion (C-D) model. The second reactor model simulates combustion in the dilution zone of the combustor, and is modeled as a plug flow reactor with cross-flowing jets of dilution air and co-flowing streams of cooling film air. The primary zone reactor model predicts physically reasonable trends in mean temperature, and CO and NOx emissions as the macromixing and micromixing parameters are varied with respect to the perfectly stirred reactor limit. The model also has shown to predict the correct trends in modeling NOx and CO emissions from aircraft engine gas turbine combustors.
    keyword(s): Combustion chambers , Gas turbines , Particulate matter , Emissions , Combustion , Fluids , Flow (Dynamics) , Temperature , Cooling , Modeling , Chemistry , Aircraft engines , Fuels AND Jets ,
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      A Semi-Analytical Finite Rate Two-Reactor Model for Gas Turbine Combustors

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/120397
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    • Journal of Engineering for Gas Turbines and Power

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    contributor authorJ. H. Tonouchi
    contributor authorT. J. Held
    contributor authorH. C. Mongia
    date accessioned2017-05-08T23:56:30Z
    date available2017-05-08T23:56:30Z
    date copyrightJuly, 1998
    date issued1998
    identifier issn1528-8919
    identifier otherJETPEZ-26782#495_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/120397
    description abstractA gas turbine combustor is modeled using a two-reactor, finite-rate mixing and chemistry gas particle approach. The first reactor, used to simulate combustion in the primary zone, permits independent definition of the rates of macromixing and micromixing within the reactor, and the amount of premixing of fuel and air entering the reactor. Finite-rate macromixing is simulated by consideration of the fluid particle residence time distribution frequency function and the ages of the particles in the reactor. Finite-rate micromixing is simulated using a modified Coalescence-Dispersion (C-D) model. The second reactor model simulates combustion in the dilution zone of the combustor, and is modeled as a plug flow reactor with cross-flowing jets of dilution air and co-flowing streams of cooling film air. The primary zone reactor model predicts physically reasonable trends in mean temperature, and CO and NOx emissions as the macromixing and micromixing parameters are varied with respect to the perfectly stirred reactor limit. The model also has shown to predict the correct trends in modeling NOx and CO emissions from aircraft engine gas turbine combustors.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleA Semi-Analytical Finite Rate Two-Reactor Model for Gas Turbine Combustors
    typeJournal Paper
    journal volume120
    journal issue3
    journal titleJournal of Engineering for Gas Turbines and Power
    identifier doi10.1115/1.2818172
    journal fristpage495
    journal lastpage501
    identifier eissn0742-4795
    keywordsCombustion chambers
    keywordsGas turbines
    keywordsParticulate matter
    keywordsEmissions
    keywordsCombustion
    keywordsFluids
    keywordsFlow (Dynamics)
    keywordsTemperature
    keywordsCooling
    keywordsModeling
    keywordsChemistry
    keywordsAircraft engines
    keywordsFuels AND Jets
    treeJournal of Engineering for Gas Turbines and Power:;1998:;volume( 120 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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