Experimental study of hypervelocity impacts on space shields above 8 km/s

Mespoulet, Jérôme; Héreil, P-L; Abdulhamid, Hakim; Deconinck, Paul; Puillet, Christian

doi:10.1016/j.proeng.2017.09.748

Cited by 16 publications

(5 citation statements)

References 2 publications

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“…Figure 10 shows the results of a study of natural frequencies and mode shapes of a cantilevered cutting tool moving at a speed of 5 m/s in ANSYS Explicit Dynamics [11,12]. As a result, the spectrum of natural frequencies is obtained: 164.55; 1030.1; 1623.3; 2883; 3098.6; 5648.7; 9332.7; 9741.4; 13945 Hz.…”

Section: Influence Of Tool Speed Movement During Cutting Honeycomb Bl...mentioning

confidence: 99%

Influence of tool speed movement during cutting honeycomb block on its vibration resistance and cutting accuracy

Saramud,

Brungardt,

Tololo

et al. 2023

Preprint

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The state of cutting blanks from honeycomb fabric methods is associated with difficulties of rectilinear cutting of cell walls, which leads to a non-straight edge after cutting with a cutting tool. Such a form of curvilinear trajectory of the cutting tool movement is a consequence of the cutting-edge vibration in the process of moving towards cutting. In order to eliminate this effect, it is necessary to determine optimal cutting speed at which the blade and the honeycomb wall will not be in the resonance.

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Section: Influence Of Tool Speed Movement During Cutting Honeycomb Bl...mentioning

confidence: 99%

Influence of tool speed movement during cutting honeycomb block on its vibration resistance and cutting accuracy

Saramud,

Brungardt,

Tololo

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

“…Shielding applications are typically concerned with micro-meteoroids and orbital debris less than 1 cm in size, which cannot be tracked nor avoided with pre-determined avoidance measures [22] and dominate the orbital debris population. Single-purpose shields include monolithic shielding (simply a singular facesheet), Whipple shields (consist of two facesheets separated by spacing), and its variations (Whipple shield with flexible stuffing; multi-wall shields).…”

Section: Experimental Studiesmentioning

confidence: 99%

Hypervelocity Impacts on Satellite Sandwich Structures—A Review of Experimental Findings and Predictive Models

Carriere

Cherniaev

2021

Applied Mechanics

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Sandwich panels are widely used in the design of unmanned satellites and, in addition to having a structural function, can often serve as shielding, protecting the satellites’ equipment from hypervelocity impacts (HVI) of orbital debris and micrometeoroids. This paper provides a comprehensive review of experimental studies in the field of HVI on sandwich panels with honeycomb- and open-cell foam cores, as well as an examination of available predictive models for the assessment of the panels’ ballistic limits. The emphasis of the review is placed on: (i) identifying gaps in the existing experimental database and the appropriate directions for its further expansion; and (ii) understanding the limitations of the available predictive models and the potential for their improvement.

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“…It was concluded that the wood stuffed shield performs similar to that of Kevlar stuffed shields and outperforms triple-walled aluminium shields. In 2017, Mespoulet et al [109], conducted hyper-velocity impact tests for millimetre(mm) sized orbital debris in the range 6 km/s to 15 km/s for single-plate and honeycomb configuration whipple shields. The mm-sized debris pose a potent risk to the structure of the space vehicles since they are hard to detect and track using radars.…”

Section: Experimental Analysis Of Whipple Shieldsmentioning

confidence: 99%

Advances in the Whipple Shield Design and Development:

Pai

Divakaran

Anand

et al. 2021

J. dynamic behavior mater.

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Safety of satellites as well as spacecrafts during space missions is a primary objective to preserve the physical and virtual assets onboard. Whipple shields belong to the class of protective equipment provided on the surface of the spacecrafts and satellites, to sustain impacts from the ultra-high speed debris, which can otherwise cause considerable damage to the corresponding structures. Recent works on whipple shields are focussed on determining the response of different geometrical arrangements and material properties under hyper-velocity impact at projectile speeds of 3-18 km/s. Advances in the whipple shield design include integrated and mechanised models employing high performance materials like fiber-metal laminates ensuring better operational capability. The forward bumper of the whipple shield is the first line of defence as it regulates the state of projectile after the primary impact. Use of aluminium alloys for front bumpers is popular, owing to their lightweight and strength characteristics. The advances for the front bumper have seen usage of ceramic, metallic foams, and super composite mixtures, which resulted in enhanced performance, durability and safety of the whipple shields. This work is a comprehensive coverage of the latest materials used for whipple shields, their performance characterization—both experimental and theoretical, and applications.

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Experimental study of hypervelocity impacts on space shields above 8 km/s

Cited by 16 publications

References 2 publications

Influence of tool speed movement during cutting honeycomb block on its vibration resistance and cutting accuracy

Influence of tool speed movement during cutting honeycomb block on its vibration resistance and cutting accuracy

Hypervelocity Impacts on Satellite Sandwich Structures—A Review of Experimental Findings and Predictive Models

Advances in the Whipple Shield Design and Development:

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