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논문 기본 정보

자료유형
학술저널
저자정보
Min Seok Kim (Chungnam National University) I Sang Yu (Chungnam National University) Wan Chan Kim (Chungnam National University) Dong Hae Shin (Chungnam National University) Young Sung Ko (Chungnam National University)
저널정보
한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.18 Number.4
발행연도
2017.12
수록면
788 - 796 (9page)
DOI
10.5139/IJASS.2017.18.4.788

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초록· 키워드

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This paper proposes a new measurement method to improve the shortcomings of an existing integral method for measuring heat flux in plug-type heat flux gauges in the high-temperature and high-pressure environments of liquid-rocket combustors. Using the existing integral measurement method, the calculation of the surface area for the heat flux in the gauge exhibits error in relation to the actual surface area. To solve this problem, transient profiles obtained from ANSYS Fluent were used to calculate unsteady heat flux as it adjusted to the measured temperature. First, a heat flux gauge was designed and manufactured specifically for use in the high-temperature and high-pressure conditions that are similar to those of liquid rocket combustors. A calibration test was performed to prove the reliability of the manufactured gauge. Then, a combustion experiment was conducted, in which the gauge was used to measure unsteady heat flux in a liquid rocket combustor that used kerosene and liquid oxygen as propellants. Reasonable heat flux values were obtained using the gauge. Therefore, the proposed measurement method is considered to offer significant improvement over the existing integral method.

목차

Abstract
1. Introduction
2. Heat Flux Measurement Method
3. Heat Flux Gauge Design
4. Calibration Test
5. Hot Test Results and Discussion
6. Conclusions
References

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