On the nonlinear dynamic characteristics of forced acoustic oscillations in a heat-driven thermoacoustic engine

Tao, Shancheng; Li, Zhaoyu; Li, Xinyan; Xu, Jingyuan; Luo, Ercang; Chen, Geng

doi:10.1007/s11071-024-09542-7

Nonlinear Dyn

2024

DOI: 10.1007/s11071-024-09542-7

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On the nonlinear dynamic characteristics of forced acoustic oscillations in a heat-driven thermoacoustic engine

Shancheng Tao,

Zhaoyu Li,

Xinyan Li

et al.

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2024

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Cited by 1 publication

References 49 publications

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Study on Working Fluids Testing and Multiphase Flow Model Optimization in Thermoacoustic Engines

Xie,

Ren,

Yang

2024

E3S Web Conf.

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This study investigates the impact of different working fluids on the performance of non-phasechange thermoacoustic engines and compares the application of two multiphase flow models in phasechange thermoacoustic engines. Simulation results show that, at the same heating temperature, air and nitrogen can achieve thermoacoustic oscillations, while helium cannot. This is due to helium’s higher sound speed, lower density, and higher thermal conductivity et al. In the simulation of phase-change thermoacoustic engines, the Mixture model demonstrates higher predictive accuracy compared to the VOF model, as the VOF model emphasizes the effects of phase interfaces, while the Mixture model is better suited for macro-scale multiphase flow analysis and relatively uniform phase-change processes. The findings provide a theoretical basis for the optimization design of phase-change thermoacoustic engines.

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Study on Working Fluids Testing and Multiphase Flow Model Optimization in Thermoacoustic Engines

Xie,

Ren,

Yang

2024

E3S Web Conf.

View full text Add to dashboard Cite

show abstract

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On the nonlinear dynamic characteristics of forced acoustic oscillations in a heat-driven thermoacoustic engine

Cited by 1 publication

References 49 publications

Study on Working Fluids Testing and Multiphase Flow Model Optimization in Thermoacoustic Engines

Study on Working Fluids Testing and Multiphase Flow Model Optimization in Thermoacoustic Engines

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