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P09451 : Thermo-Electric Module for Large Scale Systems

P09451 : Thermo-Electric Module for Large Scale Systems. 2008-2 through 2008-3 Neranjan Dharmadasa James Brown. Introduction. Thermoelectrics are very simple solid state devices with two basic modes of operation.

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P09451 : Thermo-Electric Module for Large Scale Systems

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  1. P09451: Thermo-Electric Module for Large Scale Systems 2008-2 through 2008-3 Neranjan Dharmadasa James Brown

  2. Introduction • Thermoelectrics are very simple solid state devices with two basic modes of operation. • The Peltier Effect, involves the application of current through the module, absorbing heat from one side of the device and emitting from the other side. • Conversely, the Seebeck Effect can be used for power generation purposes. When a temperature gradient is applied across a TE module an electric current is produced.

  3. Previous Projects P07442 P08451

  4. Mission Statement The focus of this project will be to make improvements to last year's power module unit design, perform more extensive testing and address some issues that surfaces from the preliminary testing done last year. This year‘s team will develop a second generation prototype power module that would more closely simulate a power unit that might be deployed on the exhaust stream of a Dresser-Rand Vectra or other turbine. This unit may include the use of air cooling to simulate a power unit serving both as a power generator as well as a recuperator. The team will make improvements in temperature sensor locations to better monitor heat spreading and understand multidimensional conduction which is currently not accounted for in the modeling. The team will also design and implement strategies for max power tracking and the handling of module array mismatch due to differing temperature gradients.

  5. Test Stand Improvements More fin options Design for power requirements Design for specific operating conditions Design for recuperative heating system Additional “zones” Customer Needs Test Stand Issues • GUI and data processing • Temperature measurements • Swapping T.E. modules • Max point tracking (power) • Pressure losses • Lack of sensors for multidimensional heat transfer

  6. Staffing Requirements

  7. Work Breakdown Structure

  8. Team Values and Norms • Punctuality • Organized • Devoted/Committed • Professional and Ethical • Thorough • Accurate • Meet Guidelines • Meet Deliverables on Time

  9. Required Resources • Current lab test stand • Machine shop • Time with Graduate Assistance • Time with Faculty Guide, Dr. Stevens • Time with Dresser-Rand contacts

  10. Assumptions • Staffing requirements will be met throughout course of project • Estimated budget will be provided • Existing test stand can be used and improved for this year’s project

  11. Constraints • Budget: $ 7500 • Technical Expertise: Familiarizing students with TE modules and the current system • Time: All deliverables must be performed within the allotted 22 week timeframe • Resources: Time required on machine shop towards building phase of project. Obtaining TE modules that operate under higher temperatures • Platform: The project must build upon the existing module and test stand • Safety

  12. Intellectual Property • Project will be open source, open architecture. • Any information on Dresser-Rand products will be kept confidential • Currently established patents will be researched and taken into consideration with progress of project.

  13. Issues and Risks • Availability of off the shelf TE modules • Delivery of parts on time • Parts exceeding budget • Data inaccessibility or loss

  14. Outstanding Items • Deliverables over the course of the project are to be determined • Target specifications are yet to be established

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