Momentum Enhancement from Hypervelocity Crater Ejecta

Momentum Enhancement from Hypervelocity Crater. Ejecta: Implications for the AIDA Target. G. J. Flynn (1), D. D. Durda (2), E. B. Patmore (3), S. J. Jack (3) ...

Momentum Enhancement due to Crater Ejecta during Hypervelocity ...

Momentum Enhancement due to Crater Ejecta during. Hypervelocity Impact of Highly Porous and Consolidated. Rock. James D. Walker1, a), Sidney Chocron1, Donald J ...

Momentum enhancement due to hypervelocity impacts into pumice

This increased momentum transfer is due to crater ejecta leaving the impacted body in the direction opposite to the impactor travel direction.

Momentum Enhancement from Hypervelocity Crater Ejecta of ...

Momentum Enhancement from Hypervelocity Crater Ejecta of Anhydrous and Hydrous Porous Targets ... Abstract. Porosities of asteroids range from 0 to >50%, with ...

Momentum Enhancement from Hypervelocity Crater Ejecta ...

We performed hypervelocity impact cratering of porous meteorites and terrestrial pumice and found higher values of the momentum enhancement factor due to ...

MOMENTUM ENHANCEMENT DUE TO HYPERVELOCITY ...

when impactors strike targets at hypervelocity [1-3]. Momentum enhancement is the effect that the crater ejecta leads to more momentum transferred to the im-.

Size scaling of crater size, ejecta mass, and momentum ...

Abstract. Momentum enhancement occurs when impactors strike objects at hypervelocities due to the formation of crater ejecta whose departure ...

Scale Size Effect in Momentum Enhancement - ResearchGate

... Momentum enhancement occurs when impactors strike objects at hypervelocities due to the formation of crater ejecta whose departure from the impact body ...

Calculating the momentum enhancement factor for asteroid ...

... ejecta thrown from the crater can provide an extra boost to aid in deflection. This is referred to as the momentum enhancement factor, beta.

ROLE OF TARGET STRENGTH IN MOMENTUM ENHANCEMENT

Thus, there is not a correlation between crater volume and ejecta momentum. When computations with hydrocodes are performed where the flow stress is adjusted ...

Momentum enhancement in hypervelocity impact | Request PDF

Abstract. Momentum enhancement is the increase in momentum transferred to a target due to ejecta material being thrown backwards during crater formation.

Size scaling of crater size, ejecta mass, and momentum ...

Abstract. Momentum enhancement occurs when impactors strike objects at hypervelocities due to the formation of crater ejecta whose departure from the.

Momentum enhancement due to crater ejecta during hypervelocity ...

Momentum enhancement due to crater ejecta during hypervelocity impact of highly porous and consolidated rock. James D. Walker 1. ,. Sidney Chocron 1. ,. Donald ...

SPH–DEM modelling of hypervelocity impacts on rubble-pile asteroids

All simulations are terminated at 5 h. The final crater diameter Dcrater and depth dcrater, ejecta mass Mej, velocity change Δv, and the momentum enhanced ...

EXTENDING THE ANALYTIC APPROXIMATION FOR ...

It does, however, provide a more careful treatment of crater ejecta and its contribution to momentum enhancement and resulting velocity change of the target ...

Momentum enhancement simulations for hypervelocity impacts on ...

... hypervelocity impacts and measured crater dimensions and momentum • enhancement ... momentum enhancement for hypervelocity ... ejecta mass behavior. 12. CITATIONS.

Momentum Transfer due to Hypervelocity Impacts into Spacecraft ...

the original momentum of the impactor due to ejecta being expelled backwards from the impact crater. ... ejecta mass in the context of momentum enhancement. (a) ...

Reshaping and ejection processes on rubble-pile asteroids from ...

Appendix C: Momentum enhancement calculations. In a high velocity impact ... crater ejecta is larger than the momentum imparted by the impactor directly.

Experimental and Numerical Simulation of Ejecta Size and Velocity ...

Figure 12. Momentum enhancement β vs. impact velocity for target with porosity. The 6 mm projectile into basalts from Liu ...

Scaling Issues in Hypervelocity Impact, 18-R8779

We also showed that nonlinear size scaling of the momentum enhancement continues beyond the size-effect saturation size for the crater ejecta mass. Sequence ...