Journal of Projectiles, Rockets, Missiles and Guidance >
Study on Grains of Regressive Burning Law Selection Criteria
Received date: 2014-10-12
Online published: 2025-05-28
Based on geometrical law of burning, the discipline of burning area changing with burned web thickness for variety of grain types was deduced. The regressive burning of star-shaped grain, wheel-shaped grain, sleeve-shaped grain and short tubular grain was analyzed. Results show that the regressive buring of star-shaped grain and wheel-shaped grain are larger, and the adjustable range of the degression buring is large. Regressive burning of sleeve-shaped grain and short tubular grain is smaller. When the degressive nature is small, the short tubular grain is selected preferentially. When the star angle of the star-shaped grain and the wheel arm of the wheel-shaped grain have the same number, further more, they have the same regressive burning; the filling factor and web thickness of star-shaped grain will be larger than wheel-shaped grain. When degressive nature is large, star-shaped grain is selected preferentially.
Key words： solid rocket motor; solid propellant; burning law; regressive burning
ZHAN Junbiao , XIANG Shenghai , LI Shipeng , WANG Limin , YU Chao , WANG Di . Study on Grains of Regressive Burning Law Selection Criteria[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2015 , 35(5) : 85 -91 . DOI: 10.15892/j.cnki.djzdxb.2015.05.022
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