Results 71 to 80 of about 2,996,643 (316)
Propellant Slosh Analysis for the Solar Dynamics Observatory [PDF]
The Solar Dynamics Observatory (SDO) mission, part of the Living With a Star program, is a geosynchronous satellite with tight pointing requirements. Due to a large amount of liquid propellant, a detailed slosh analysis is required to ensure the tight ...
Mason, Paul A. C., Starin, Scott R.
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Mechanical Analog Approach to Parameter Estimation of Lateral Spacecraft Fuel Slosh [PDF]
, 2007 The nutation (wobble) of a spinning spacecraft in the presence of energy dissipation is a well-known problem in dynamics and is of particular concern for space missions.
Chatman, Yadira +6 more
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3D Printing Strategies for Bioengineering Human Cornea
Advanced Healthcare Materials, EarlyView.This review highlights recent progress in 3D bioprinting strategies for engineering human corneas. Key aspects include the replication of corneal transparency, curvature, and biomechanical properties, alongside innovations in recent advancements in 3D printing methods, which benefit in overcoming current challenges.
Yunong Yuan +4 more
wiley +1 more source
Asymmetrical booster ascent guidance and control system design study. Volume 2: SSFS math models - Ascent [PDF]
The engineering equations and mathematical models developed for use in the space shuttle functional simulator (SSFS) are presented, and include extensive revisions and additions to earlier documentation. Definitions of coordinate systems used by the SSFS
Lemon, R. S., Williams, F. E.
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Advanced Healthcare Materials, EarlyView.Laser‐Induced Forward Transfer (LIFT) is presented as a powerful micropatterning tool. An objective printability framework is developed to assess optimal printing parameter combinations. The technology is further explored for its ability to deterministically deposit microdroplets at predefined locations following CAD designs, enabling the patterning of
Cécile Bosmans +8 more
wiley +1 more source
Recovery of spinning satellites [PDF]
The behavior of a space tug and a spinning satellite in a coupled configuration was simulated and analyzed. A docking concept was developed to investigate the requirements pertaining to the design of a docking interface.
Coppey, J. M., Mahaffey, W. R.
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Advanced Healthcare Materials, EarlyView.Fast‐acting hydrogel seals bleeding wounds as the illustrated injectable, pH‐responsive network rapidly gels in situ to stop hemorrhage, adhere strongly to wet tissue, and release antibiotics in a controlled, pH‐dependent manner. The material withstands high pressures, shows excellent biocompatibility, and degrades safely, offering a versatile platform
Arvind K. Singh Chandel +5 more
wiley +1 more source
Investigation of slosh anomaly in Apollo lunar module propellant gage [PDF]
Analysis of propellant sloshing in lunar module during Apollo 14 flight and resultant erroneous indication of low level of ...
Pinson, L. D. +2 more
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Controllable Dynamic Mechanical Cell Stimulation using Magnetically Actuated Artificial Cilia
Advanced Healthcare Materials, EarlyView.This paper introduces a platform based on magnetic artificial cilia for providing controllable dynamic mechanical stimulation to single cells, suitable for investigating large cell populations and enabling live cell imaging. Proof‐of‐principle experiments show that cell morphology is strongly influenced by the artificial cilia, that cellular forces can
Roel Kooi +5 more
wiley +1 more source
Rapid Fabrication of Self‐Propelled and Steerable Magnetic Microcatheters for Precision Medicine
Advanced Materials, EarlyView.A rapid Joule heating fabrication method for the production of self‐propelling, adaptive microcatheters, with tunable stiffness and integrated microfluidic channels is presented. Demonstrated through three microrobotic designs, including a steerable guiding catheter, an untethered wave‐crawling TubeBot, and a distal‐end propelled microcatheter, it was ...
Zhi Chen +5 more
wiley +1 more source