Browse > Article
http://dx.doi.org/10.12985/ksaa.2022.30.4.184

A Study on Combustion Characteristics of Non-Circular Grain in Hybrid Rocket for RATO (Rocket-Assisted Take Off) System  

Su Jin Kim (한국항공대학교 항공우주 및 기계공학부)
Su Han Ko (한국항공대학교 항공우주 및 기계공학과)
Sul Hee Kim (한국항공대학교 항공우주 및 기계공학과)
Gyeong Mo Kim (한국항공대학교 항공우주 및 기계공학부)
Seong Geun Lee (한국항공대학교 항공우주 및 기계공학부)
Ye Chan Han (한국항공대학교 항공우주 및 기계공학부)
Hee Jang Moon (한국항공대학교 항공우주 및 기계공학부)
Publication Information
Journal of the Korean Society for Aviation and Aeronautics / v.30, no.4, 2022 , pp. 184-190 More about this Journal
Abstract
In an attempt to apply hybrid rocket to the RATO (Rocket-Assisted Take Off) system, combustion characteristics of the non-circular grain were figured out in this study. Having larger combustion area, it was reconfirmed that the non-circular grain has advantages over regression rate, characteristic velocity and chamber pressure in which all gave higher values. Experiments were performed to understand the effect of the non-circular grain geometry over time where local regression rates depending on grain location were analyzed. It was found that the regression rate of five distinct locations were different. Partial conclusion driven was that these differences are due to the heat transfer caused by dissimilar distances from the flame layer. Besides, as combustion duration increased, the fuel port became circular, and the regression rate converged to a single value over the whole grain.
Keywords
Hybrid Rocket; Regression Rate; Local Regression Rate; Non-Circular Grain; Hydraulic Diameter;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Bettella, A., Moretto, F., Geremia, E., Bellomo, N., Petronio, D., and Pavarin, D., "Development of 20 kN hybrid rocket booster", 5th European Conference for Aeronautics and Space Sciences, Munich, Germany, 2013
2 Takashi, T., Saburo, Y., and Kengo, Y., "Effects of swirling oxidizer flow on fuel regression rate of hybrid rockets", 35th Joint Propulsion Conference and Exhibit, 1999, p.2323.
3 Hussain, M. M., Siddiqui, B., and Memon, A. "Design and analysis of rocket assisted takeoff high-speed UAV", 6th International Conference on Aerospace Science and Engineering, 2019.
4 Yuasa, S., Shimada, O., Imamura, T., Tamura, T., and Yamamoto, T., "A technique for improving the performance of hybrid rocket engines", 35th IAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 1999, p. 2322.
5 Larson, D. B., "Formulation and Characterization of praffin-based solid fuels containing novel additives for use in hybrid rocket motors", Master's Dissertation, Department of Mechanical and Nuclear Engineering, Pennsylvania University, Philadelphia, P.A., U.S.A., 2012.
6 Vonderwell, D. J., Murray, I. F., and Heister, S. D., "Optimization of hybrid-rocket booster fuel-grain design", Journal of Spacecraft and Rockets, 32(6), 1995, pp.964-969.   DOI
7 Kim, S., Kim, J., Moon, H., Sung, H., Lee, J., Kim, G., and Park, S., "Combustion characteristics of the cylindrical multi-port grain for hybrid rocket motor", 45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2009, p.5112.
8 Kim, S., Lee, J., Moon, H., Kim, J., Sung, H., and Kwon, O. C., "Regression characteristics of the cylindrical multiport grain in hybrid rockets", Journal of Propulsion and Power, 29(3), 2013, pp.573-581.   DOI
9 Li, X., Tian, H., and Cai G., "Numerical analysis of fuel regression rate distribution characteristics in hybrid rocket motors with different fuel types", Science China Technological Sciences, 56(7), 2013, pp.1807-1817.   DOI
10 Cai G., Zhang, Y., Wang, P., Hui, T., Zhao, S., and Yu, N., "Geometric effects of fuel regression rate in hybrid rocket motors", Science China Technological Sciences, 59(5), 2016, pp.807-813.   DOI
11 Zhiliu Lu, "Comparison of cylindrical and non-cylindrical grain internal ballistic behavior of hybrid rocket engines and solid rocket motors", Master of Applied Science, Ryerson University, Toronto, Ontario, Canada, 2017.
12 Cai, G., Zeng, P., Li, X., Tian, H., and Yu, N., "Scale effect of fuel regression rate in hybrid rocket motor", Aerospace Science and Technology, 24(1), 2013, pp.141-146.   DOI
13 Zhang, S., Hu, F., and Zhang, W., "Numerical investigation on the regression rate of hybrid rocket motor with star swirl fuel grain", Acta Astronautica, 127, 2016, pp.384-393.    DOI