Optimization of heat exchanger design in a thermoacoustic engine using a second law analysis
Abstract
An analysis for the time averaged entropy generation due to both flow and heat transfer losses in the heat exchangers of a thermoacoustic engine has been developed. An expression for the optimum dimensionless heat exchanger area corresponding to minimum entropy generation has been determined in terms of three other dimensionless parameters. Optimum heat exchanger areas were calculated for three thermoacoustic devices. For the prime mover components of the thermoacoustic devices investigated where the temperature differences across the regenerator stacks were high, the analysis developed indicated that the heat exchanger at the hot end of the regenerator stack should be smaller than that at the cold end.
- Authors:
-
- Univ. of Queensland, St. Lucia (Australia). Dept. of Mechanical Engineering
- Publication Date:
- OSTI Identifier:
- 242204
- Resource Type:
- Journal Article
- Journal Name:
- International Communications in Heat and Mass Transfer
- Additional Journal Information:
- Journal Volume: 23; Journal Issue: 3; Other Information: PBD: May-Jun 1996
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES; 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; HEAT EXCHANGERS; DESIGN; HEAT ENGINES; ACOUSTIC HEATING; REFRIGERATING MACHINERY
Citation Formats
Ishikawa, H, and Hobson, P A. Optimization of heat exchanger design in a thermoacoustic engine using a second law analysis. United States: N. p., 1996.
Web. doi:10.1016/0735-1933(96)00018-8.
Ishikawa, H, & Hobson, P A. Optimization of heat exchanger design in a thermoacoustic engine using a second law analysis. United States. https://doi.org/10.1016/0735-1933(96)00018-8
Ishikawa, H, and Hobson, P A. 1996.
"Optimization of heat exchanger design in a thermoacoustic engine using a second law analysis". United States. https://doi.org/10.1016/0735-1933(96)00018-8.
@article{osti_242204,
title = {Optimization of heat exchanger design in a thermoacoustic engine using a second law analysis},
author = {Ishikawa, H and Hobson, P A},
abstractNote = {An analysis for the time averaged entropy generation due to both flow and heat transfer losses in the heat exchangers of a thermoacoustic engine has been developed. An expression for the optimum dimensionless heat exchanger area corresponding to minimum entropy generation has been determined in terms of three other dimensionless parameters. Optimum heat exchanger areas were calculated for three thermoacoustic devices. For the prime mover components of the thermoacoustic devices investigated where the temperature differences across the regenerator stacks were high, the analysis developed indicated that the heat exchanger at the hot end of the regenerator stack should be smaller than that at the cold end.},
doi = {10.1016/0735-1933(96)00018-8},
url = {https://www.osti.gov/biblio/242204},
journal = {International Communications in Heat and Mass Transfer},
number = 3,
volume = 23,
place = {United States},
year = {Wed May 01 00:00:00 EDT 1996},
month = {Wed May 01 00:00:00 EDT 1996}
}
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