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Performance Analysis of Thermoacoustic Prime Mover

Sadeghizadeh, Zahra | 2011

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 42947 (45)
  4. University: Sharif University of Technology
  5. Department: Aerospace Engineering
  6. Advisor(s): Ghorbanian, Kaveh
  7. Abstract:
  8. Traveling wave thermoacoustic prime mover is studied in this project. For this purpose, based on one dimensional thermoacoustic equations, thermoacoustic flow is modeled in each segment of thermoacoustic systems. Since regenerator is the most important segment in a traveling wave thermoacoustic prime mover, modeling of the flow in regenerator is considered as the primary motivation for this research. In order to model the thermoacoustic engines, governing 1D relations are simplified and developed. Moreover, to solve equations in regenerator, tortuous geometry of regenerator is approximated with the stack consisting of circular pores. Therefore, in this research stack relations has been used as a simplified approximation for regenerator modeling. Existing models in DELTAE software were utilized for validation of the results. Case studies used in this thesis are 5 inch standing wave thermoacoustic heat engines, thermoacoustic stirling cryocooler, and Thermocoustic Stirling Heat Engine.

  9. Keywords:
  10. Regenerator ; Stack Positioned ; Thermoaqustic Refrigerator ; Stirling Heat Engine ; Thermoacoustic Prime Mover ; Prime Movers

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