stealth cat’s
Post on 23-Feb-2016
36 views
Embed Size (px)
DESCRIPTION
Stealth CAT’s. Eric Buddrius Amanda Bolland Ian Lootens Greg Hilbert. Specifications. Catalyst. Aristo Contact is Bob McDowell Goal: to meet National Park Standards Focus: Carbon Monoxide and Unburned Hydrocarbons emissions. Muffler Basics. Two Main Functions Reflection - PowerPoint PPT PresentationTRANSCRIPT
Stealth CATs
Eric BuddriusAmanda BollandIan LootensGreg HilbertStealth CATs
Specifications
CatalystAristo Contact is Bob McDowellGoal: to meet National Park Standards Focus: Carbon Monoxide and Unburned Hydrocarbons emissions
Emissions Data2010 ResultsCSC LimitNPS BATCO 209.94< 275< 120HC41.6-< 15NOX5.8--HC+NOX47.36< 90-E-Score125.9> 100-Units: g/kW-hrMuffler BasicsTwo Main FunctionsReflectionMost EffectiveDestructive InterferenceHigh Back PressureRestrictionMost CommonCheapestAbsorptionSimple with Low Back PressureLow Damping
Hushpower technology
Entry Cone
B. Laminar Flow Area
C. Thermal Barrier
D. Exit ConeDesign EvaluationFlow BenchRicardo WaveJ 192 Testing ProcedureTimeline
Flow Bench
Test StandSettling ChamberMass Flow MeterVacuum Supply
Flow BenchActive Flow BenchVacuum sourceTest PartMultiple usesCylindersPortingMufflersAir filtersMeasuresPressure differential with respect to mass flowWhat is Ricardo Wave?
Mufflers in Ricardo Wave
Ricardo WNoise
Ricardo Wnoise output
J 192 Sound Test
SOUND TestingExisting MufflerLaminar Flow MufflerHushpower Muffler Affect of PackingSmall vs. Large Cone PerforationSeriesParallel
TimelineNovember 29th Start J192 Sound Testing of Existing MufflersDecember 10th Complete Flow BenchDecember 15th Flow Test Existing MufflersDecember 17th Final Muffler DesignedJanuary 15th Receive Final CATJanuary 21st Final Muffler BuiltJanuary 22nd Begin Testing Final Muffler on SledMarch 4th Leave for Competition
Questions?