Impact effects from small size meteoroids and space debris

Drolshagen, G.

doi:10.1016/j.asr.2007.09.007

Cited by 94 publications

(27 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…where q is the total charge in C, m is the meteoroid mass in g, and v is the meteoroid impact speed in km/s [Drolshagen, 2008]. There are many variations of equation (1) published in the literature [Ratcliff et al, 1997a[Ratcliff et al, , 1997bMcDonnell et al, 1997] with speed exponents that range between 2.5 and 4.5.…”

Section: Theory Of Electromagnetic Pulses Produced By Meteoroid Impactsmentioning

confidence: 99%

Electromagnetic pulses generated by meteoroid impacts on spacecraft

Colestock

Cox

et al. 2010

J. Geophys. Res.

View full text Add to dashboard Cite

[1] Meteoroid impacts on spacecraft are known to cause mechanical damage, but their electrical effect on spacecraft systems are not well characterized. Several reported spacecraft anomalies are suggestive of an electrical failure associated with meteoroid impact. We present a theory to explain plasma production and subsequent electric fields occurring when a meteoroid strikes a spacecraft, ionizing itself and part of the spacecraft. This plasma, with a charge separation commensurate with different specie mobilities, can produce a strong electromagnetic pulse (EMP) at broad frequency spectra, potentially causing catastrophic damage if the impact is relatively near an area with low shielding or an open umbilical. Anomalies such as gyrostability loss can be caused by an EMP without any detectable momentum transfer due to small (<1 mg) particle mass. Subsequent plasma oscillations can also emit significant power and may be responsible for many reported satellite anomalies. The presented theory discusses both a dust-free plasma expansion with coherent electron oscillation and a dusty plasma expansion with macroscopic charge separation.Citation: Close, S., P. Colestock, L. Cox, M. Kelley, and N. Lee (2010), Electromagnetic pulses generated by meteoroid impacts on spacecraft,

show abstract

Section: Theory Of Electromagnetic Pulses Produced By Meteoroid Impactsmentioning

confidence: 99%

Electromagnetic pulses generated by meteoroid impacts on spacecraft

Colestock

Cox

et al. 2010

J. Geophys. Res.

View full text Add to dashboard Cite

show abstract

“…For example, pressurized modules such as an external tank or crew capsule can burst when penetration from a hypervelocity impact is greater than 1/4 of the wall thickness, and cables or tethers can snap when the diameters are reduced by 1/3 of the original thickness [8]. In the case of a long single-strand space tether, this would correspond to a lifetime on the order of a few weeks to a few months.…”

Section: Space Debrismentioning

confidence: 99%

Dynamic Optical Investigations of Hypervelocity Impact Damage

Lamberson

Rosakis

2009

Volume 11: Mechanics of Solids, Structures and Fluids

View full text Add to dashboard Cite

Hypervelocity impact is a rising concern in spacecraft missions where man-made debris in low-earth orbit as well as micrometeroids have the potential to damage not only the structural components, but also the optical, electrical, and thermal components of a space asset. Little has been investigated regarding damage mechanisms and dynamic fracture mechanics resulting from a hypervelocity impact in-situ. Two optical techniques, the methods of photoelasticity and caustics, in conjunction with high-speed photography are used to examine stress waves from impact of unloaded plates, as well as pre-cracked and pre-loaded plates in tension. The resulting photographs are analyzed to extract information regarding stress wave interactions, crack speeds and the dynamic stress field ahead of the moving cracks.

show abstract

“…To capture shocks in gas dynamic simulations with SPH, Price [23] and Monaghan [24] suggest a generalized way to introduce dissipative terms for the balance equations (1). By each variable on the left hand side of (1) is represented:…”

Section: New Sph Term For Interface Treatmentmentioning

confidence: 99%

“…Travelling at typical velocities of 10 km/s, micron-sized particles produce degradation of the spacecraft's shield protection. Millimeter or centimeter sized bodies can puncture vital components of the spacecraft or lead to its complete destruction [1].…”

Section: Introductionmentioning

confidence: 99%

Towards a Smoothed Particle Hydrodynamics Algorithm for Shocks Through Layered Materials

Zisis

Linden

Giannopapa

2013

Volume 4: Fluid-Structure Interaction

View full text Add to dashboard Cite

Hypervelocity impacts (HVIs) are collisions at velocities greater than the target object’s speed of sound. Such impacts produce pressure waves that generate sharp and sudden changes in the density of the materials. These are propagated as shock waves. Previous computational research has given insight into this shock loading for the case of homogeneous materials. Shock-wave propagation through materials with discontinuous density distribution has not been considered in depth yet. Smoothed Particle Hydrodynamics (SPH) is a numerical technique, which has been extensively used for the simulation of HVIs. It is especially suitable for this purpose as it describes both the solid and fluid-like behavior effectively as well as the violent breakup of the material under impact. In previous studies on SPH, impact loading of composite materials was modeled by homogenization of the material, or under assumption of being a so-called functionally graded material (FGM). Both these models neglect the reflection-transmission effects on the interface between materials of different density. In this paper the shock loading of layered materials is studied. A modification to the standard SPH method is developed and tested, that incorporates materials with purely discontinuous density distribution. The developed method’s performance at simple shock loading cases is investigated; reflection-transmission patterns of shock-waves through layered materials are discussed, along with a parametric study of the governing parameters.

show abstract

Impact effects from small size meteoroids and space debris

Cited by 94 publications

References 8 publications

Electromagnetic pulses generated by meteoroid impacts on spacecraft

Electromagnetic pulses generated by meteoroid impacts on spacecraft

Dynamic Optical Investigations of Hypervelocity Impact Damage

Towards a Smoothed Particle Hydrodynamics Algorithm for Shocks Through Layered Materials

Contact Info

Product

Resources

About