Author(s)

Jun Xing ^1,2, Pengyong Li ^1,2

Affiliation(s)

¹ 713 Research Institute of China Shipbuilding Industry Corporation Limited, Zhengzhou, Henan, 450015, China
² Henan Key Laboratory of Underwater Intelligence Equipment, Zhengzhou, Henan, 450015, China

Corresponding Author

Jun Xing

ABSTRACT

In this thesis, through the application of the dimensional analysis method, we get the scaling criterion of the movement parameters of the cylinder in the land ejection scaling test, and by the application of the equation analysis method, we get the scaling criterion of the gas generator injection into the cylinder. On this basis, a radial scaling model suitable for the land ejection test is established, a scaling scheme is proposed, and the motion parameters of the scaling model are calculated. Compared with the full-size model, the accuracy of the reduced scale model is verified. At the same time, the main factors affecting the accuracy of radial scale tests are analyzed.

KEYWORDS

Land Launch Scale Test; Radial Scaling; Scaling Criterion

CITE THIS PAPER

Jun Xing, Pengyong Li, Study on the Scale Criterion of Radial Scaling on Land Ejection Test. Modern Physical Chemistry Research (2025) Vol. 5: 45-52. DOI: http://dx.doi.org/10.23977/mpcr.2025.050106.

REFERENCES

[1] Zhao X and Wang J (2001) Interior ballistics of subsurface ballistic object launch system, Harbin engineering university press, Harbin, pp. 87-102.
[2] Rui C (2021) Investigations of the method of a scale model for large structures in aeronautics astronautics, A Dissertation for the degree of M.Eng, Da Lian University of Technology, Da Lian, pp. 9-17.
[3] Junjun G (2023) Research on vibration characteristics and shrinkage ration experiment of the large caliber naval gun key components, A Dissertation for the degree of M.Eng, Harbin Engineer University, Harbin, pp. 67-74.
[4] Wentao N and Shui G (2021) Study on similarity criterion of scaled model flight test, Ordnance Industry Automation, 40(8): 35-38.
[5] Heng W, Pengfei C and Wei Y (2023) Similitude judgement and simulation of aeroengine ground test bench, Gas turbine experiment and Research, 36(5): 45-48.
[6] Cheng D, He G and Shen B (2011) Research on scale test method of certain launch power system, Journal of ballistics and guidance, 31(2): 60-62.
[7] Cheng H and Chen L (2017) Gas ejection technology for ballistic objects, Journal of Ballistics and Guidance, 37(4): 109-112.7.

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