Microsoft Word - ENGR4426-DesignProject.docx ENGR4426–DesignProject Due:March13,2020 Ahomeowner,withaverypreciseroutine,ownsa3kWpropanestove–whichthey...

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Microsoft Word - ENGR4426-DesignProject.docx ENGR4426–DesignProject Due:March13,2020 Ahomeowner,withaverypreciseroutine,ownsa3kWpropanestove–whichthey utilizetocookdinnerforexactly60minutes.Thefollowingcombustiondatais knownaboutthesystem: Variable Value Heatingvalueofpropane 96MJ/m3propane Ovenefficiency 40% NO2emissionrate 15μg/kJ Inperfectcombustionrate 10% Thekitchenitselfhasbeenmeasured,andsomeapproximationsofairflowhave beengiven: Variable Value Kitchenheight 2.50m Kitchenaveragewidth 6.00m Kitchenaveragelength 4.50m Airinfiltrationrate 100m3/hr Heightofattic 2.00m AmbientNO2concentration 45μg/m3 Thehomeownerisconcernedaboutthelevelofemissionsbeingreleasedintotheir kitchen,sotheyareconsideringtheadditionofahood.Theyhavecurrently identifiedahood/fanthathasthefollowingassociatedinformation: Variable Value Fanexhaustrate 12m3/hr Removalbeforemixingwithambientair 60% Ductsize 4” Note:thereisastructuralbeamdirectlyabovetheoven,meaninganyductwillnot beabletogostraightupwards. Whatyouareaskedforis: 1.Calculatetheoverallamountofpropaneburnt. 2.CalculatethetotalamountofNO2andCOproduced. 3.Create4-hourlonggraphsofconcentrationofNO2andCOinthekitchen(starting atthebeginningofthecookingtime),withandwithouttheuseofthehoodsystem. Assumethatthefanisonlyturnedonwhentheovenison,anduse2minutetime intervals. 4.ComparethecalculatedvaluestoO.Reg419. 5.WhatisthenecessaryfanremovalratetomeetO.Reg419standards? 6.Costthehoodandductsystem.