Journal ArticleDOI
Modelling of thin wall perforation limit in debris particles impact on space structures
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TLDR
In this paper , the results of high velocity Space debris fragment interaction with thin metallic shields are presented and the formulas for determining critical thickness of the target preventing from penetration being functions of impactor mass, speed and material properties of both impactor and target are developed.About:
This article is published in Acta Astronautica.The article was published on 2022-09-01. It has received 3 citations till now. The article focuses on the topics: Space debris & Shields.read more
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Experimental Study on the Influence of Gravitational Tilt Angle on the Spatio-Temporal Evolution of Solutocapillary Convection
TL;DR: In this article , the authors investigated the influence of surface internal energy instability caused by the gravitational tilt angle on solutocapillary convection, and they showed that the spatio-temporal evolution of convection in a non-axisymmetric liquid bridge was divided into three stages under different gravitational tilt angles, "the initiating stage near the upper corner", "development to the intermediate height", and "shrinking toward the bottom corner".
Journal ArticleDOI
Extreme low-temperature freezing process and characteristic curve of icy lunar regolith simulant
Junwei Liu,Weiwei Zhang,Jian Cui,Zhifeng Ren,Enliang Wang,Xiongyao Li,Guangfei Wei,Ye Tian,Jie Ji,Jinan Ma +9 more
TL;DR: In this article , the freezing process and characteristics of icy lunar regolith are studied based on the variation of the T2 spectrum, and the influence of initial water content and dry density of the samples on variation rules of unfrozen water content with temperature was discussed.
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Dynamic response characteristics of flame during condition transition in a cavity-based scramjet combustor
TL;DR: In this paper , the authors investigated the dynamic response characteristics of the flame when global equivalence ratio increases suddenly during the condition transition in a cavity-based scramjet combustor, and three flame modes after condition transition have been observed and analyzed according to the transient chemiluminescence image captured by high-speed photography.
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Journal ArticleDOI
Space traffic hazards from orbital debris mitigation strategies
TL;DR: In this paper, the authors give coverage of recent advances in mathematical modeling of long term orbital debris evolution within the frames of continua approach and suggest the spacecraft shield honeycomb concept based on principles of impact energy conversion and redistribution and consumption by destroyable structures.
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Orbital missions safety – A survey of kinetic hazards
TL;DR: In this paper, the authors present the results of studies of the current state of manmade contamination of space due to space activities of mankind and analysis for its prospects on the base of latter investigations of scientists and by way of illustration of long-term observations.
Journal ArticleDOI
Evaluation of craters formation in hypervelocity impact of debris particles on solid structures
Nickolay Smirnov,K.A. Kondratyev +1 more
TL;DR: In this paper, a simplified model of space debris particle collision on solid structures was developed, which would provide closed form solution formulas for determining crater depth, radius and ejected mass being functions of impactor mass, speed and material of both impactor and target.
Journal Article
Modelling of the space debris evolution based on continua mechanics
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The small orbital debris population and its impact on space activities and ecological safety
TL;DR: In this paper, the number, mass, and dynamics of the small orbital debris population in low Earth orbit are estimated as well as the consequences of the deployment of multi-satellite communication satellite systems are estimated.