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- Type of Document: M.Sc. Thesis
- Language: Farsi
- Document No: 49602 (45)
- University: Sharif University of Technology
- Department: Aerospace Engineering
- Advisor(s): Soltani, Mohammad Reza; Karimi, Mohsen
- Abstract:
- One of the significant as well as fascinating utilization of thermoacoustic is combining heat pump and thermoacoustic refrigerator. By means of supplied heat from hear source, the heat pump generates acoustic power which will be absorbed by refrigerator and forwarded to the heat source afterwards. In other words, thermoacoustic systems, from the side of which heat is absorbed, produces chill in the opposite side. Due to the novelty as well as heavy and precise research requirements, these systems has been neither designed nor manufactured in our country yet. In this research a laboratory prototype from aforementioned systems has been constructed, thereby paving the way for enjoying and mass-producing these novel and handy systems. To so doing, first, the effects of porosity coefficient of the cold heat exchanger, on system performance has been observed throughout DeltaE software which led to the conclusion that the optimal length and position of refrigerator changes with this coefficient. Then a coupled thermoacoustic system constructed and came under various hydraulic scrutiny in order to insure the sealing effectiveness. Temperature and pressure parameters of system measured through a heat test. As result, by approaching to higher temperatures (critical temperatures), refrigerator system starts chilling with 2 to 3 C temperature difference
- Keywords:
- Coupled System ; Heat Pumps ; Thermoacoustic Engine ; Thermoacoustic Refrigarator
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