Towards a Transient Simulation of Thermo-Acoustic Engines Using an Electrical Analogy
Towards a Transient Simulation of Thermo-Acoustic Engines Using an Electrical Analogy
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DOI：
10.1016/j.proeng.2013.03.202
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发表时间：
2013
期刊：
影响因子：
--
通讯作者：
P. Riley
中科院分区：
文献类型：
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作者：
P. Riley
An electrical analogue of a looped-tube, thermoacoustic engine is presented and simulated using a graphical input, off-the-shelf network analysis tool called Tina™. The analyses are able to show both transient and non-linear behaviour. The recently documented phenomenon from the Score-Stove project of amplitude modulation of the pressure wave, called squegging has been simulated. By use of elements such as Zener diodes to simulate turbulent behaviour, non-linear effects can be seen. Thus the simulation shows the effect of many frequencies, not just the fundamental as is the case with conventional thermoacoustic simulations. Gradual cold start-up, and hot start conditions and a simple technique to ensure mathematical convergence on a non-zero solution are presented.
