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Network model approach for calculating oscillating frequency of thermoacoustic prime mover |
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| Authors: | Qiu Tu Qing Li Fang Zhong Guo |
| Affiliation: | a Cryogenics Laboratory, Huazhong University of Science and Technology, Wuhan 430074, China b Technical Institute of Physics and Chemistry, Chinese Academy of Science, Beijing 100080, China c Department of Physics and Heat Engineering, Wuhan Institute of Chemical Technology, Wuhan 430074, China |
| Abstract: | The network model is given and used to calculate the oscillating frequency of thermoacoustic prime mover. Theoretically calculated frequency by the model is plural, whose real part denotes actual frequency of the system, and imaginary part means attenuation coefficient of acoustic pressure. Numerical calculation is made under different conditions including different acoustic cavities, spacing between each parallel plate, gas pressures and system lengths. Theoretically calculated frequency and experimentally measured frequency are in quite good agreement. |
| Keywords: | Thermoacoustic engine Network model Oscillating frequency |
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