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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2026.5
- 수록면
- 45 - 55 (11page)
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초록· 키워드
This paper presents the validation of experimentally developed systems and established measurement methodologies for determining the supercritical thermophysical properties of fuels. Experimental systems were developed to measure density, viscosity, and thermal conductivity under supercritical conditions using the constant-volume method, a capillary viscometer, and the transient hot wire method, respectively, within a specialized high-pressure and high-temperature chamber. An uncertainty analysis was conducted for each measurement system. The reliability of the developed systems was validated through experiments performed over a wide range of temperatures and pressures using DI-water and carbon dioxide. The measured density, viscosity, and thermal conductivity showed excellent agreement with reference data from the NIST Chemistry WebBook within uncertainty ranges of ±5.44%, ±7.45%, and ±9.25%, respectively. These results can be applied to the measurement of supercritical thermophysical properties of fuels used for regenerative cooling in high-speed propulsion systems.
#Supercritical Fluids
#Thermophysical Property Measurement
#Density
#Viscosity
#Thermal Conductivity
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목차
- ABSTRACT
- 1. Introduction
- 2. Experimental Approach
- 3. Results and Discussion
- 4. Conclusion
- References
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