Da’ Fuser TeamTurbojet Diffuser Study

Progress Report 3

Robby SwoishRobby SwoishMike VostrizanskyMike VostrizanskyRyan WiltshireRyan WiltshireNovember 10, 2005November 10, 2005

ProgressProgress

• Completed baseline pressure data Completed baseline pressure data measurementsmeasurements• Ran tests with two different mach Ran tests with two different mach

numbersnumbers• Cut diffuser model into two pieces Cut diffuser model into two pieces

so that the interior of the model so that the interior of the model may be accessedmay be accessed

Experimental SetupExperimental Setup

Tests 5 and 6Tests 5 and 6

Goal: Characterize initial pressure Goal: Characterize initial pressure distribution in diffuser model for distribution in diffuser model for two mach numbers between .3 two mach numbers between .3 and .4and .4

Current Status: Data needs to be Current Status: Data needs to be analyzed analyzed

Cut DiffuserCut Diffuser

Future WorkFuture Work

Analyze baseline dataAnalyze baseline data Use China Clay to characterize Use China Clay to characterize

separation pointseparation point Modify model and testModify model and test Reiterate modification and testing Reiterate modification and testing

schemescheme

Investigation Schedule Progress (weeks)Investigation Schedule Progress (weeks)

Potential ModificationsPotential Modifications

Boundary Layer Control By:Boundary Layer Control By:– SuctionSuction– BlowingBlowing– VanesVanes– Flow Control RailsFlow Control Rails– High Inlet TurbulenceHigh Inlet Turbulence– Other Vortex GeneratorsOther Vortex Generators