Investigation of Thermoacoustic Muffler
Abstract
The design, construction and testing of a thermoacoustic muffler is discussed. The performance of the muffler is characterized by measuring its ability to reduce the quality factor Q of an acoustic resonator. Measurements of-the Q of a helium filled muffler were made for temperature differences ranging from 0 to -130 deg C. The measured Q-reduction, approximately 30%, agrees with predicted reductions. The predictions are based on a standing wave analysis of Thermoacoustic engines published by Atchley (J. Acoust. Soc. Am. 92, 2907-2914 (1992)). These results indicate that Q-reduction is possible. Future work should concentrate on optimization, to determine if a thermmoacoustic muffler is, in fact, practical.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1992
- Accession Number
- ADA262009
Entities
People
- Chun-hua Che
Organizations
- Naval Postgraduate School