36 citations · 69 across the 8 of their papers we have counts for
9 papers
Scaling law for the diffusion coefficient in vibration-driven crater relaxation
Hayato Narita, Hiroaki Katsuragi
Impact craters relax over long timescales, and this process is commonly described by a diffusion model. The diffusion coefficient determines the relaxation rate, and it has been es…
Scaling of microcraters with molten rims derived from laser-induced cratering experiments
S. Sato, H. Shibayama, K. Nagai +1
Microcraters with molten rims are widely observed in returned samples from the Moon and asteroids. These features reflect the conditions of small-scale impact events, but the impac…
Air jet impact craters on granular surfaces: a universal scaling
Prasad Sonar, Hiroaki Katsuragi
Craters form as the lander's exhaust interacts with the planetary surfaces. Understanding this phenomenon is imperative to ensure safe landings. We investigate crater morphology, w…
Tip angle dependence for resistive force into dry granular materials at shallow cone penetration
Naoki Iikawa, Hiroaki Katsuragi
In relation to the interaction of the earth's surface with machines and organisms, and its engineering applications, there has been a recent increase in interest in the penetration…
Scaling laws for the oblique impact cratering on an inclined granular surface
S. Takizawa, H. Katsuragi
Although a large number of astronomical craters are actually produced by the oblique impacts onto inclined surfaces, most of the laboratory experiments mimicking the impact crateri…
Statistical properties of gravity-driven granular discharge flow under the influence of an obstacle
K. Endo, H. Katsuragi
Two-dimensional granular discharge flow driven by gravity under the influence of an obstacle is experimentally investigated. A horizontal exit of width is opened at the bottom…
Geometry-dependent constitutive law for granular slow frictional drag
T. Furuta, K. Katou, S. Itoh +3
Frictional constitutive law for very slow vertical withdrawing of a thin rod from a granular bed is experimentally studied. Using a very precise creep meter, geometry-dependent gra…
Sensitivity of Granular Force Chain Orientation to Disorder-induced Metastable Relaxation
N. Iikawa, M. M. Bandi, H. Katsuragi
A two-dimensional system of photoelastic disks subject to vertical tapping against gravity was experimentally monitored from ordered to disordered configurations by varying bidispe…
Fingering induced by a solid sphere impact to viscous fluid
H. Katsuragi
The number of splashed fingers generated by a solid projectile's impact onto a viscous liquid layer is experimentally studied. A steel sphere is dropped onto a viscous liquid pool.…