Results 181 to 190 of about 1,571,082 (390)
Automatic mathematical modeling for real time simulation program (AI application) [PDF]
A methodology is described for automatic mathematical modeling and generating simulation models. The major objective was to create a user friendly environment for engineers to design, maintain, and verify their models; to automatically convert the ...
Purinton, Steve, Wang, Caroline
core +1 more source
Recoverable single stage spacecraft booster Patent [PDF]
, 1967 Recoverable, reusable single stage booster capable of injecting large payloads into circular earth ...
Bono, P.
core +1 more source
Optimization on Performance of Regenerative Brayton Refrigeration Cycle
Zhileng xuebao, 2006 Based on an irreversible model of a regenerative Brayton refrigeration cycle,expressions for several important performance parameters such as the cooling load,coefficient of performance,and power input,and the optimal relation between the cooling rate ...
林比宏, 杨宇霖, 陈金灿
doaj
Advanced Materials, EarlyView.Carbon‐based piezoelectric materials are systematically categorized based on their structural and functional properties. The mechanisms of stress‐induced charge transfer are elucidated, and their applications are explored across three key domains: piezoelectric catalysis for energy conversion and environmental remediation, piezoelectric biomedical ...
Mude Zhu +3 more
wiley +1 more source
Portable breathing system [PDF]
, 1979 A semiclosed-loop rebreathing system is discussed for use in a hostile environment. A packed bed regenerative heat exchanger providing two distinct temperature humidity zones of breathing gas with one zone providing cool, relatively dry air and the ...
Lovell, J. S.
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Materials Advances in Devices for Heart Disease Interventions
Advanced Materials, EarlyView.This review examines the crucial role of materials in heart disease interventions, focusing on strategies for monitoring, managing, and repairing heart conditions. It discusses the material requirements for medical devices, highlighting recent innovations and their impact on cardiovascular health.
Gagan K. Jalandhra +11 more
wiley +1 more source
Electrospinning and Nanofiber Technology: Fundamentals, Innovations, and Applications
Advanced Materials, EarlyView.This review explores electrospinning fundamentals, methods for synthesizing polymer, metal oxide, carbon, and composite nanofibers, and advancements in fiber architectures like porous, core–shell, and aligned structures. It highlights applications in functional membranes, sensors, energy systems, and catalyst design while addressing future ...
Yujang Cho +5 more
wiley +1 more source
Analytical investigation of two hydrogen oxygen rocket engine systems for low-thrust application [PDF]
Two hydrogen oxygen rocket engine system concepts were analyzed parametrically over a thrust range from 100 to 1000 pounds and a chamber pressure range from 175 to 1000 psia.
Scheer, D. D.
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