지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.14 Number.4
- 발행연도
- 2013.12
- 수록면
- 398 - 407 (10page)
이용수
초록· 키워드
오류제보하기
Optical tomography was used to measure the pattern of spray cross-section. The maximum-likelihood estimation (MLE) algorithm was used to reconstruct the spray cross-section from the measured transmission rate of the spray. A swirl-type injector was used to form an optically dense spray, and the test was carried out in a high-pressure chamber, to control the pressure condition of the test site. Before the experiment, the reliability of the MLE-based reconstruction algorithm was verified, by comparing it with a conventional filtered back projection reconstruction (FBP) method. The MLE algorithm showed superior reconstruction of the image. In the spray patternation experiment, the results of the optical tomography and optical line patternator, which uses Mie scattering signal information, were compared. While measuring the cross-section of optically dense spray, the intensity of the scattering signal had attenuated to an uncorrectable level, which led to incorrect spray pattern measurement by the optical line patternator. However, reliable results were obtained by optical tomography, under the same condition. Finally, the pattern of the optically dense spray was measured at various chamber pressures, of up to 3 MPa. As the chamber pressure increased, the hollow cone-shaped swirl spray shrank, and the attenuation coefficient value of the inner region increased.
목차
Abstract
1. Introduction
2. Experimental Methods
3. Results and Discussion
4. Conclusion
References
참고문헌 (18)
참고문헌 신청
1. [단행본] - Lefebvre, A. H. / 1989 / Atomization and Sprays / Hemisphere
2. [학술지(정기간행물)] - Tate, R. / 1960 / EQUIPMENT AND DESIGN—Spray Patternation / Industrial & Engineering Chemistry 52 (10) : 49A ~ 58A
3. [학술지(정기간행물)] - Strakey, P. / 2001 / Mixing characteristics of coaxial injectors at high gas/liquid momentum ratios / Journal of Propulsion and Power 17 (2) : 402 ~ 410
4. [학술대회논문] - Ruff, G. A. / 1996 / Nonintrusive measurement of the structure of dens sprays, Recent advances in spray combustion: spray atomization and drop burning phenomena / Progress in Astronautics and Aeronautics 1 : 263 ~ 296
5. [학술지(정기간행물)] - Linne, M. A. / 2005 / Ballistic imaging of the liquid core for a steady jet in crossflow / Applied optics 44 (31) : 6627 ~ 6634
2. [학술지(정기간행물)] - Tate, R. / 1960 / EQUIPMENT AND DESIGN—Spray Patternation / Industrial & Engineering Chemistry 52 (10) : 49A ~ 58A
3. [학술지(정기간행물)] - Strakey, P. / 2001 / Mixing characteristics of coaxial injectors at high gas/liquid momentum ratios / Journal of Propulsion and Power 17 (2) : 402 ~ 410
4. [학술대회논문] - Ruff, G. A. / 1996 / Nonintrusive measurement of the structure of dens sprays, Recent advances in spray combustion: spray atomization and drop burning phenomena / Progress in Astronautics and Aeronautics 1 : 263 ~ 296
5. [학술지(정기간행물)] - Linne, M. A. / 2005 / Ballistic imaging of the liquid core for a steady jet in crossflow / Applied optics 44 (31) : 6627 ~ 6634
이 논문의 저자 정보
최근 본 자료
댓글(0)
0
UCI(KEPA) : I410-ECN-0101-2015-550-000977311