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Dynamometer Redesign and Build for Future RIT Automotive Laboratory

Dynamometer Redesign and Build for Future RIT Automotive Laboratory. Project 05105 Sponsored by: Mechanical Engineering Dept, Dave Hathaway and Mark Steinke. What is a dynamometer?. A dynamometer is an instrument used to measure the performance of an engine. Presentation Structure.

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Dynamometer Redesign and Build for Future RIT Automotive Laboratory

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  1. Dynamometer Redesign and Build for Future RIT Automotive Laboratory Project 05105 Sponsored by: Mechanical Engineering Dept, Dave Hathaway and Mark Steinke

  2. What is a dynamometer? • A dynamometer is an instrument used to measure the performance of an engine

  3. Presentation Structure • Work Breakdown Structure (WBS) • Mission Statement • Overview of Design Process • Overview of Last Year’s Design • Mechanical Aspect • Electrical Aspect • Budget • Schedule • Conclusions

  4. Team Members - WBS Team Leader Erin Canfield - ME Scheduling Overall Project Budget Jason Keuer - ME Simulation Graham Pennington - ME Mechanical Aspects Housing Design Chief Engineer John McDonald - ME Torque Measuring Sensors/Signals Muferihat Abduljelil - EE Electrical Aspects DAQ Cedric McClary - EE

  5. Mission Statement The mission of this design project team is to design a dynamometer that can be replicated in-house to produce between 4 and 6 units for use in the future RIT Automotive Laboratory

  6. Design Process • Recognize and Quantify the Need • Design Objectives and Criteria • Concept Development • Feasibility Assessment • Analysis of Problem & Synthesis of Design

  7. Successes: Impeller and housing design Sensor selection Failures: Seals allowed leakage No functioning DAQ system Improvements: DAQ system Housing design Torque measuring Overview of Project 04006

  8. Torque Arm Reactor Torque Sensor Torque Measurement Devices

  9. Torque Arm • Utilized in previous design • Used on current Land & Sea model (shown) TorqueArm Picture courtesy of LandandSea.com

  10. Reactor Torque Sensor(RTS) • Incorporated in the redesign • Utilizes 4 bonded strain gauges • Compact design • Easy installation Picture courtesy of transducertechniques.com

  11. Dyno Housing Comparison • New RTS required redesign of outer housing Previous Redesign Torque Arm CUP RTS

  12. Design Setup Exploded View Assembled View

  13. Simulation

  14. Simulation Results • Simulated with 60 psi pressure • Max. stress from simulation = 4285 psi. • Yield strength of 6061 Al. = 39,900 psi. • Maximum deflection of .00111 inches • Housing meets criteria for our design

  15. Data Acquisition System (DAQ)

  16. Components of DAQ • Transducers and Sensors • Signals • Signal Conditioning • Driver and Application Software

  17. Transducers/Sensors Devices that are used to convert physical phenomenon into electrical signal.

  18. Signals

  19. Signal Conditioning • Signal Conditioning is a method that maximizes the accuracy of a given data output by converting it to a readable range. • There are two types of signal conditioning: • Modular* • Integrated

  20. Driver Software • Software that creates communication between hardware devices that are used to collect/read data with the software that is used to analyze the data

  21. Application Software • A software that adds analysis and presentation capabilities to the data collected • Example: • LabVIEW

  22. Master Parts List • Projected Budget as of 2/15/05

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