Results 31 to 40 of about 317,882 (228)

Summary of Research 2001, Department of Aeronautics and Astronautics [PDF]

, 2001
The views expressed in this report are those of the authors and do not reflect the official policy or position of the Department of Defense or the U.S. Government.This report contains summaries of research projects in the Department of Aeronautics and ...
Faculty of the Department of Aeronautics and Astronautics, Naval Postgraduate School
core   +1 more source

Variable-Diameter Deployable Structure Composite Preforms Made by Braiding and Needle-Punching Integrated Forming Technology

Chinese Journal of Mechanical Engineering
Variable-diameter deployable carbon fiber reinforced polymer (CFRP) composites possess deformation and load-bearing functions and are composed of stiff-flexible coupled preforms and matrix.
Zhengxi Zhou, Zitong Guo, Zhongde Shan, Zheng Sun, Jun Zhang, Fengchen Geng, Yaoyao Wang, Tianzheng Yang, Zhiqi Zhuang   +8 more
doaj   +1 more source

Structural Power Composites Based on High Mass Loading Zn‐Ion Hybrid Supercapacitors with Metal Mesh Current Collectors and Aramid Nanofiber/Glass Fiber Composite Electrolytes

Advanced Functional Materials, EarlyView.
A multifunctional structural power composite is developed by integrating high‐mass‐loading Zn‐ion hybrid supercapacitors with metal mesh current collectors and aramid nanofiber‐based composite electrolytes, enabling simultaneous load‐bearing capability and enhanced areal energy storage.
Yuseung Choi, Gilyong Shin, Hoyeon Lee, Eun Jae Nam, Byeong Jun So, Sungryul Yun, Fu‐Kuo Chang, Jei Gyeong Jeon, Tae June Kang   +8 more
wiley   +1 more source

Machine Learning-Based Backpressure Unstart Prediction and Warning Method for Combined Cycle Engine Hypersonic Inlet-Oriented Wide Speed Range

International Journal of Aerospace Engineering
Inlet unstart prediction and warning are strictly crucial to the operation of hypersonic engines, especially for combined cycle engines where implementation across a wide speed range poses significant challenges.
Ke Min, Tanbao Hong, Zejun Cai, Lianchen Yu, Chengxiang Zhu, Jianping Zeng   +5 more
doaj   +1 more source

Deduction of Proper Reaction Rate of Steam Methane Reforming over Catalyst Surface Validated with a Combination of One- and Two-Dimensional Simulations

Journal of Thermal Science and Technology, 2012
Hydrogen can be used not only as a fuel, but also for the chemical processing. One of the applications is as a synthesis gas in the gas-to-liquid (GTL) process which produces liquid fuel from a gaseous one and has tremendous potential for the future ...
Kyaw Kyaw LIN, Motohiro SAITO, Yasuhiro NIINA, Kimitaka IKEMURA, Hiroshi IWAI, Hideo YOSHIDA   +5 more
doaj   +1 more source

OAC-HAS: outsourced access control with hidden access structures in fog-enhanced IoT systems

Connection Science, 2021
Fog computing is recently a novel distributed computing paradigm that performs a significant achievement in the latency-sensitive smart Internet of Things (IoT) applications. However, the security and privacy issues, such as data leakage, still challenge
Jiale Zhang, Zhen Cheng, Xiang Cheng, Bing Chen   +3 more
doaj   +1 more source

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

Advanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz, Yaroslav Mudryk, Jun Cui, Lucas Griffith, Duane D. Johnson, Julie Slaughter   +5 more
wiley   +1 more source

Department of Aeronautics and Astronautics Graduate School of Engineering and Applied Sciences [PDF]

, 2002
The Department of Aeronautics and Astronautics is an integral part of the Graduate School of Engineering and Applied Sciences. Aero/Astro faculty members conduct research and teach courses covering air and space vehicles, missiles, propulsion ...

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Multidisciplinary Design Optimization of Reentry-Powered Hypersonic Vehicles Based on Surrogate Model

International Journal of Aerospace Engineering
Two problems exist in the study of the trajectory optimization problem of powered hypersonic gliding vehicles (HGVs) due to insufficient consideration of the overall design constraints as well as the strong couplings among relevant disciplines: (1) the ...
Shoudong Ma, Yuxin Yang, Yesi Chen, Hua Yang, Weifang Chen   +4 more
doaj   +1 more source

Ieee Access Special Section Editorial:Complex System Health Management Based On Condition Monitoring And Test Data

IEEE Access, 2018
The global manufacturing industry is facing a crucial transformation with the rapid developments of German Industries 4.0, Industrial Internet of the U.S., and China Manufacturing 2025.
Datong Liu, Haitao Liao, Enrico Zio, Qiang Miao, Bin Zhang, Chao Hu, Michael H. Azarian   +6 more
doaj   +1 more source