Fig. 1 Schematic diagram of the Y-jet nozzle
Fig. 2 Schematic diagram of the experimental setup for measurement of spray characteristics
Fig. 4 Air mass flowrate according to liquid pressure
Fig. 5 SMD according to ALR
Fig. 6 SMD according to liquid pressure
Fig. 8 SMD according to liquid pressure in da/dw ratio and measuring direction (Air pressure 2 bar fixed)
Fig. 3 Schematic diagram of the SMD measuring direction
Fig. 7 SMD according to liquid pressure in mixing chamber length and measuring direction (Air pressure 2 bar fixed)
Table 1 Nozzle specification
Table 2 Experimental conditions
Table 3 SMD view ratio
References
- 이상용, 액체의 미립화, 민음사, 1996.
- C. W. Lee, Y. J. Lee, J. W. Park, and K. Terasima, "Effect of nozzle hole configuration on spray characteristics for diesel engine", 10th Annual Conf. on Liquid Atomization and Spray Systems, Seoul, Korea, 2005, pp. 267-272.
- A. R. Jones, "Design optimization of a large pressure jet atomizer for power plant", International Conference on Liquid Atomization and Spray System, 1982, pp. 181-185.
- P. S. Kutty, M. V. Narasimhan, and K. Narayansway, "Design and prediction of discharge rate, cone angle and air core diameter of swirl chamber atomizers", International Conference on Liquid Atomization and Spray System, 1978, p. 93.
- S. D. Sovani, P. E. Sojka and A. H. Lefebvre, "Effervescent atomization", Progress in Energy and Combustion Science, Vol. 27, 2001, pp. 483-521. https://doi.org/10.1016/S0360-1285(00)00029-0
- A. H. Lefebvre, "Atomization and Spray", Hemisphere publishing corporation, 1989, pp. 201-307.
- 구건우, 홍정구, "타원형 노즐의 내부유동 구조가 액주분열에 미치는 영향", 한국액체미립화학회지 제18권 1호, 2013, pp. 44-54. https://doi.org/10.15435/JILASSKR.2013.18.1.044
- 송시홍, 이상용, "Y-jet 노즐에서의 혼합관 길이변화에 따른 분무특성 연구", 대한기계학회논문집 제18권 제11호, 1994, pp. 3021-3031. https://doi.org/10.22634/KSME.1994.18.11.3021
- P. J. Mullinger, and N. A. Chigier, "The Design and Performance of Internal Mixing Multijet Twin Fluid Atomizers", Journal of the Institute of Fuel, Vol. 47, 1974, pp. 251-261.
- K. S. L. Prasad, "Spray Characterization of Air Blast Atomisers", Proc. ICLASS-82, 1982, pp. 123-130.
- P. Andreussi, L. Tognotti, G. De michele, and M. Graziadio, "Design and Characterization of Twin-Fluid Yjet Atomizers", Atomization and Sprays, Vol. 2, 1992, pp. 45-59. https://doi.org/10.1615/AtomizSpr.v2.i1.40
- 송시홍, 이상용, "Y-jet 노즐을 통한 저점도 액체의 유량 및 입경예측에 관한 연구", 대한기계학회논문집 제18권 제12호, 1994, pp. 3377-3385. https://doi.org/10.22634/KSME.1994.18.12.3377
- 구건우, 홍정구, 박철우, 이충원, "원형 및 타원형 노즐 내부유동과 외부유동의 상관관계", 대한기계학회논문집 B권 제36권 3호, 2012, pp. 325-333.
- 윤현진, 홍정구, 구건우, 석지권, 정경열, "이유체 노즐 미립화 특성이 요소 열분해에 미치는 영향", 한국액체미립화학회지 제20권 3호, 2015, pp. 162-167. https://doi.org/10.15435/JILASSKR.2015.20.3.162