mec 3600-lab manual combustion

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MEC 3600-Lab Manual Combustion

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  • MEC3600AUTOMOTIVEENGINEERINGLAB2

    EXPERIMENT1:INVESTIGATIONOFAIR/FUELRATIOANDSTOICHIOMETRICCONDITIONOF

    FUELPROPANE

    EXPERIMENT2:INVESTIGATIONOFAIR/FUELRATIOANDSTOICHIOMETRICCONDITIONOF

    FUELDIESEL

    INTRODUCTION:

    Thisexperimentwillbecarriedoutbyusingtwotypesofburnerssuchasgasburnerandoilburner.

    Astheburnerissettoamidrangeoffuelflow,theair/fuelratiowillbealteringaccordinglyto

    achievecompletecombustion.Stoichiometriccombustioniswheretheexacttheoreticalairquantity

    issupplied.

    Themixtureoffuelandoxidizer(commonlyusedisair),incombustionchamberaffectsthenatureof

    combustionoccurduringexperimentation.Themixturecouldbeclassifiedintothreecategories;

    dependingonthefuelcontenttoairsuppliedduringcombustion.Theyarestoichiometric,fuellean

    andfuelrichmixtures.ThefuelandaircontentcanbedescribedaseitherinAirFuelRatio,orFuel

    AirRatio,orEquivalenceRatio,.

    OBJECTIVES:

    Toinvestigateairfuelratioandstoichiometricconditionastoachievecompletecombustion

    Toobservetheemissionsfromtypicalcombustionprocess

    PROCEDURES:

    Asobserved

    EQUIPMENT:

    CombustionLaboratoryUnitC492

    FuelPropaneandDiesel

    RESULTS:

    1. Recordalldataandcomputethederivedresults.

    2. Plotthegraphsofflametemperatureandexhausttemperatureagainsttheexcessair(orAF

    Ratio),andplotthegraphoftheemissions(CO,CO2,O2)vs.theAFRatio

    DISCUSSION:

    Discussallexperimentalresultsbasedonyourcalculationsandgraphsplotted.

    CONCLUSION