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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2013.12
- 수록면
- 484 - 489 (6page)
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초록· 키워드
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The heat addition process in compressible flows essentially accompanies unsteadiness, but such a time-dependent behavior of the compressible Rayleigh flow has seldom been known to date. In the present study, an analytical study has been performed to investigate the effect of different types of heat transfer to compressible flows at high subsonic Mach numbers. Changes in basic flow properties due to both steady and unsteady heat transfer into a constant area, frictionless duct over different periods of time were solved numerically. Flow Mach number and velocity were observed to increase rapidly as the flow approached sonic conditions. Change in flow enthalpy and temperature were however different showing an increase initially and then reducing in the vicinity of sonic conditions. Once sonic conditions were attained, the trend in change of flow properties changed substantially with decrease in Mach number under further heat transfer. Attainment of sonic state was observed to depend largely on the amount of heat transfer and the initial conditions.
목차
ABSTRACT
1. Introduction
2. Governing Equations and Problem Description
3. Results and discussion
4. Conclusion
References
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