Results 21 to 30 of about 1,599,471 (300)
Spectropolarimetry of the Deep Impact target comet 9P/Tempel 1 with HiVIS [PDF]
, 2006 High resolution spectropolarimetry of the Deep Impact target, comet 9P/ Tempel 1, was performed during the impact event on July 4th, 2005 with the HiVIS Spectropolarimeter and the AEOS 3.67m telescope on Haleakala, Maui. We observed atypical polarization
A'Hearn +45 more
core +5 more sources
IEEE Access, 2019 To improve the penetration capability and the damage effectiveness of cruise missiles, maneuvering trajectory with specific impact angle is applied in terminal guidance. In this paper, an innovative online method for terminal guidance is presented, which
Zhen Qin, Xiaoye Qi, Yongling Fu
doaj +1 more source
Impact estimates of nosocomial bloodstream infection : looking from a different angle [PDF]
, 2011 Mortality associated with nosocomial bloodstream infection is multifactorial. Source of infection, etiology, age, underlying disease, acute illness, and appropriateness of antimicrobial therapy all contribute to the final outcome.
Vogelaers, Dirk +2 more
core +2 more sources
Variation in sprinkler irrigation droplet impact angle on the physical crusting properties of soils
Agricultural Water Management, 2023 The angle at which a droplet impacts determines its shearing and compaction effects on soil, which in turn affects the formation and properties of the physical soil crust.
Rui Zhang +7 more
doaj +1 more source
IEEE Access, 2023 With the widespread informationization in modern warfare, higher requirements are required for monitoring the high-value target’s movement state and the corresponding attack conditions.
Xin Sun +5 more
doaj +1 more source
Impact-Angle-Control Guidance Law with Terminal Constraints on Curvature of Trajectory
Mathematics, 2023 This paper presents an impact-angle-control guidance law with terminal constraints on the curvature of the missile trajectory. The formulation takes into account nonlinear kinematics and time-varying velocity, allowing for more general cases in which the
Kyoung-Rok Song, In-Soo Jeon
doaj +1 more source
Three-Dimensional Fast Fixed-time Convergence Guidance Law With Impact Angle Constraint
IEEE Access, 2019 In this paper, a three-dimensional (3D) impact-angle-control guidance law is proposed based on the approaches of nonsingular terminal sliding mode control and fixed-time convergence theory to intercept a maneuvering target.
Ye Tian +3 more
doaj +1 more source
Blast Fragment Impact of Angle-Ply Composite Structures for Buildings Wall Protection
Buildings, 2023 This paper investigates the fragment performance of several composite panels for attaching to the inside walls of a building structure. These panels were developed using different types of fiber woven fabrics (W0, W90) combined with distinct layers ...
Daniel Barros +5 more
doaj +1 more source
Scaling of hypervelocity impact craters in ice with impact angle [PDF]
Journal of Geophysical Research: Planets, 2002 Hypervelocity oblique impacts using spherical 1 mm diameter aluminum projectiles at velocities of (5.2 ± 0.2) km s−1 were incident at angles ranging from normal (0° to the vertical) to grazing incidence (80°) onto thick polycrystalline H2O ice targets at 253 K. Data were obtained to distinguish changes in crater size and shape.
Ivan D. S. Grey +2 more
openaire +1 more source
Oblique drop impact: can one infer the angle of impact?
Journal of Fluid Mechanics, 2022 During solid surface impact, a falling drop's energy is transformed into oscillations of its liquid/gas interface. We consider drop deposition during oblique impact in the capillary-ballistic regime characterized by high Reynolds number and moderate Weber number. We treat this as an inverse problem showing that post-impact observations of the frequency
Vanessa R. Kern +3 more
openaire +2 more sources