대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)
- 제22권6호
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- Pages.813-822
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- 1998
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- 1226-4881(pISSN)
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- 2288-5324(eISSN)
DOI QR Code
Al/액체연료 슬러리 액적의 연소와 미세폭발 (II)-이론적 연구-
Combustion and Microexplosion of AI/Liquid Fuel Slurry Droplets(II)-Theoretical Study-
- Jo, Ju-Hyeong (Korea Aerospace Research Institute, Taejon) ;
- Byeon, Do-Yeong ;
- An, Guk-Yeong ;
- Baek, Seung-Uk
- 발행 : 1998.06.01
초록
The microexplosion of a slurry droplet was considered to be caused by the shell formation and the following pressure build-up in the shell which would be promoted by the suppression of evaporation, subsequent superheating and heterogeneous nucleation of liquid carrier. To closely investigate the pressure build-up and the heterogeneous nucleation, a numerical model was introduced by considering the internal temperature distributions with the shell formation, suppression of evaporation and pressure build-up inside. The microexplosion time was estimated by postulating the limit of superheat for heterogeneous nucleation. The simulation yielded a reasonably good agreement with experimental results for Al/n-heptane slurry droplets under various solid loadings.
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