Semester I I PresentationTobi’s Designs- Short Edition

The University of Texas at Arlington

Original Intend-Design Intake-CFD Flow Validation

Incomplete Tasks

-Improve Lubrication-higher flow Oil Pump

-Run and tune assembled Engine on Dyno

-Piston Oil cooling Jets

Accomplishments

Contents

-Dyno Teststand-Data Acquisition

-Intake Manifold with CFD Analysis-Complete TURBO Kit package

-Turbo , Throttle Body , and Injector spec sizing

Dyno

Engine Dynamometer-Dynamometers are useful in the development and refinement of modern day engine technology-Use of the “dyno” allows for measurement and tuning-Water Brake “dyno”

Test Stand Components-Cooling System

- Radiator-Fuel System

- Tank- Pump- Regulator

-Flow Meter-Throttle Control

- Throttle-Data Acquisition-Battery-Shelf-Drive Axel Safety Bar

Test Stand Design-Components contained within Test Stand-Fully Adjustable Rear Engine mount-Interchangeable Front Engine Mount-Accessible components-Top frame can be used as workspace-Equipped with Pneumatic Tires

Test Stand Design

Turbo Kit

Intake Manifold

-PPFL RPT Prototype Printed

-PPFL polymer provides highest heat and chemical resistance- Bonded 2 piece design

-Thermal Set Polymer

Bonded 2-Piece Design

Bonded 2-Piece Design

-Epoxy Seal Bonded-#6 Cap Screw reinforced

Throttle Body

Intake Runner

Turbo Kit

Turbo Kit

Turbo Kit

CFD Sebastian Peters

Typical manifold

Large amounts of separation

29 CFM

Oval Runner IntakeNo Separation

110 CFM

Results

Outlet

1 2 3 4

Mach Mass Flow(kg/s)

0.3 0.05869 0.05860 0.05865 0.05863

CFM

0.3 110.74 110.50 110.65 110.47

Q (m^3/s)

0.3 0.05226 0.05215 0.05222 0.05213

Pressure Drop (Pa)

0.3 5844.2 5668.7 5754.4 5790.9

• Percent Difference Between the 4 Runners:• Orifice Constant = 2.6%

• CFM = .22%

• Pressure drop = 3.05%

Plenum Flow 1Outlet

Volume being used spans up to this point

Plenum Flow 2

Volume span being used

Oil Pump

Pump Modifications- Honda 600cc Engine Oil Pump- larger pump- gear rotors provide increased flow rate-custom CNC housing packaged to fit CBR250 crankcase- compensates for higher oil demand due to turbo lubrication and piston cooling oil jets

Gear Rotors

Oil Flow Diagram

-

-

Pressure Regulator

Oil PanReturn

-addition turbo oiling circuit- pressure regulator governs flow rate and pressure- ideal turbo oil pressure 15-20 psi

Oil Filter

Oil Pump

Oil Strainer

Crankshaft

Camshafts

Pressure Relieve Valve

Conclusion

-Overbid on time applied -Oil pump and lubrication

Conclusion

-Lots of new Goodies for theUTA FSAE CBR250 Turbo