Results 151 to 160 of about 61,471 (312)
Investigations in chemical rocket propulsion Final report, 1 Jul. 1964 - 31 Dec. 1967 [PDF]
Heat and mass transfer characteristics of liquid film cooling, optimum thrust nozzle contours, liquid propellant combustion processes and ignition of solid ...
Ehresman, C. M.
core +1 more source
Electrostatic propulsion system with a direct nuclear electrogenerator Patent [PDF]
Nuclear electric generator for accelerating charged propellant particles in electrostatic propulsion ...
Low, C. A., Jr., Mickelsen, W. R.
core +1 more source
Soft Robotic Snake with Tunable Undulatory Gait for Efficient Underwater Locomotion
This study designs an underwater soft snake robot using 3D‐printed soft actuators, controlled by specific signals to generate sinusoidal undulation. Results show a positive correlation between speed and swing amplitude, with optimal performance at 2/3π phase offset, PLA tail, 1.2 voltage growth rate, and 6s undulation period achieving a maximum speed ...
Huichen Ma, Junjie Zhou, Raye Yeow
wiley +1 more source
Strong‐Magnetic Flexible Composites for Magnetically Responsive Soft Robots
This perspective provides an overview of the performance mechanisms, preparation methods, and applications of strong magnetic flexible composite materials in soft actuators (such as gripping, movement, and sensing), and further explores current opportunities and challenges.
Wenwen Li +4 more
wiley +1 more source
Demonstration of a sterilizable solid rocket motor system, addendum [PDF]
Technical emphasis was placed on characterization of a scaled-up batch of the improved propellant formulation and determination of the effects of dry heat sterilization on propellant integrity and structural response.
Depree, D. O., Lambert, W. L.
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Hard‐Magnetic Soft Millirobots in Underactuated Systems
This review provides a comprehensive overview of hard‐magnetic soft millirobots in underactuated systems. It examines key advances in structural design, physics‐informed modeling, and control strategies, while highlighting the interplay among these domains.
Qiong Wang +4 more
wiley +1 more source
Current evaluation of the tripropellant concept [PDF]
An analytical study was conducted to determine the specific-impulse advantages of adding metals to conventional liquid-bipropellant systems. These tripropellant systems theoretically offer higher specific impulse and increased propellant density compared
Zurawski, R. L.
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A flexible liquid‐crystalline electrolyte membrane via in situ photopolymerization of a phosphate‐functionalized mesogen, ionic liquid, and diacrylate monomer is developed. The resulting smectic B (SmB)‐phase structure enables 2D ion transport with high conductivity (10−4 S cm−1).
Chengyang Liu, Masafumi Yoshio
wiley +1 more source
Assessment of wing-propeller and propeller-propeller interaction effects
Assessment of wingpropeller and propellerpropeller interaction effects on noise generation for distributed multiple ...
openaire +1 more source
3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu +5 more
wiley +1 more source

