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P09451 Mid-Project Review

P09451 Mid-Project Review. Bryan McCormick (ME) Project Manager Andy Freedman (ME) Heat Transfer/Fluids Analysis & Design John Kreuder (ME) Thermal Modeler Ken McLoud (ME) Structural Designer Jon Holdsworth (EE) Electrical System Designer Gabriela Santa Cruz (IE) Engineering Economics.

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P09451 Mid-Project Review

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  1. P09451 Mid-Project Review Bryan McCormick (ME) Project Manager Andy Freedman (ME) Heat Transfer/Fluids Analysis & Design John Kreuder (ME) Thermal Modeler Ken McLoud (ME) Structural Designer Jon Holdsworth (EE) Electrical System Designer Gabriela Santa Cruz (IE) Engineering Economics • Sponsored by:

  2. Current System

  3. Current System

  4. Project Description • Improved test stand for studying thermo-electric modules • High Level Customer Needs: • Implement air-cooling on cold side of thermo-electric array in addition to the water-cooling system. • Be able to experimentally validate thermoelectric system models and enable more parameters to be explored. • Improve user interface and data acquisition to allow greater ease of use of the test stand. • Improve set-up and shut-down procedures to reduce assembly times

  5. System Architecture

  6. Piping

  7. Piping Valves for Air/H2O Interchange

  8. Power Unit Improved Tool Clearance Force Sensors

  9. Power Unit 4 zones Interchangeable Fins

  10. Power Unit

  11. Power Unit Permanently Mounted Thermocouples

  12. Current Status • Design meets all needs except • CN12: Quantify temperature distribution across module reliably • Design meets all specifications except • A iii.: Measure thermal gradients across hot and cold module surfaces • C ii.: Over-temperature shutdown for heater • D ii.: Reduce module failures during exchange and assembly

  13. Current Status • On target to meet $7500 budget • Current budget ~$5700 • Schedule: • Design completed on schedule • Minor design revisions to be completed within next week • On track to meet parts in house date

  14. Identified Risks & Items from Design Review • Safety shutdown for heater • Investigating flow sensor for heater • Thermocouple placement to accommodate all possible setups • Adjust length of grooves to accommodate all setups, thermocouples will be under module but not centered • Control System functionality • Current design appears feasible, testing will be completed once parts arrive • Thermal Expansion • Testing will be performed with force sensors to determine room temperature pressures that equate to steady state pressures • Module failures • Force measurements, uniform pressure • Investigate new wire connectors • Costs of aluminum piping • Switch to PVC for cold pipe, steel for hot pipe • Manufacturing time • Many parts will be in before parts in house date • Build schedule set to complete by end of week 5

  15. MSD II Milestones • 3/9/09 Test Plan Finalized • 3/19/09 All Parts in House • 4/10/09 Assembly Complete • 5/1/09 Testing Complete • 5/8/09 Documentation Finalized • 5/15/09 Final Project Review

  16. Questions?

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