Journal article
Study of a small-scale standing-wave thermoacoustic engine
Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science, Vol.224(1), pp.133-141
01/01/2010
Handle:
https://hdl.handle.net/2376/109540
Abstract
This article reports experimental and modelling results obtained with a small-scale standing-wave thermoacoustic engine. Reticulated vitreous carbon is used as the stack material and atmospheric air as the working fluid. The engine is tested with resonators of variable lengths in the range 57–124 mm. The engine starts generating sound at temperature differences of 200–300 °C between the hot and cold parts of the system. The acoustic pressure amplitudes up to 2 kPa are measured inside the resonator in the excited regimes. A simplified energy-balance theory adequately predicts a trend in the temperature difference for the sound onset, while underestimating actual values. Model estimations show that the stack-generated acoustic power reaches 100 mW at the stack-based efficiencies of several per cent.
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Details
- Title
- Study of a small-scale standing-wave thermoacoustic engine
- Creators
- S Jung - School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington, USAK I Matveev - School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington, USA
- Publication Details
- Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science, Vol.224(1), pp.133-141
- Academic Unit
- Mechanical and Materials Engineering, School of
- Identifiers
- 99900547207801842
- Language
- English
- Resource Type
- Journal article