Results 51 to 60 of about 18,635 (230)

Numerical Investigation into the Development Performance of Gas Hydrate by Depressurization Based on Heat Transfer and Entropy Generation Analyses

Entropy, 2020
The purpose of this study is to analyze the dynamic properties of gas hydrate development from a large hydrate simulator through numerical simulation.
Bo Li, Wen-Na Wei, Qing-Cui Wan, Kang Peng, Ling-Ling Chen   +4 more
doaj   +1 more source

A Novel Wellbore-Wall Heating Method without External Energy Injection for Natural Gas Hydrate Production—A Heat Transfer Device

Journal of Marine Science and Engineering, 2022
Natural gas hydrate (NGH) dissociation is a heat-absorbing process, and the cooling around the wellhead is more pronounced during depressurization production.
Hongyu Ye, Xuezhen Wu, Gaoqiang Guo, Dayong Li, Yujing Jiang   +4 more
doaj   +1 more source

Adhesive for cryogenic temperature applications [PDF]

, 1969
Adhesive, which bonds a metal liner to a filament wound composite structure used for cryogenic pressure vessels, prevents the metal liner from buckling under depressurization.
Doyle, H. M.
core   +1 more source

Fabric‐Based Wearable Robotic Exoskeleton Gloves: Advancements and Challenges

Advanced Materials Technologies, EarlyView.
This review highlights interdisciplinary technological advances in fabric‐based robotic gloves, focusing on progress in design, fabrication, actuation, sensing, control, and power and energy requirements. It also addresses performance testing and validation, including biomechanical, strength, functional, user experience, and durability assessments, to ...
Ayse Feyza Yilmaz, Gökhan Ince, Ozgur Atalay   +2 more
wiley   +1 more source

Synergistic exploitation of gas hydrates through surface seawater injection coupled with depressurization: Application and optimization in the South China Sea

International Journal of Mining Science and Technology
This study proposes and systematically evaluates an optimized integration of warm surface seawater injection with depressurization for the long-term exploitation of marine natural gas hydrates.
Yuxuan Li, Zhaobin Zhang, Rick Chalaturnyk, Shouding Li, Jianming He, Hang Bian, Xiao Li, Cheng Lu, Xuwen Qin   +8 more
doaj   +1 more source

Method of making pressurized panel Patent [PDF]

, 1970
Method for making pressurized meteoroid penetration detector ...
White, E. C.
core   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

Advanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Edible Pouch Motors

Advanced Robotics Research, EarlyView.
Edible robotics is an emerging field that leverages edible materials to construct robotic systems. This study presents a method to create thin, lightweight, yet powerful edible soft actuators, namely edible pouch motors. The successful operation of these edible actuators and grippers renders their potential to advance future developments in edible ...
Keigo Takahashi, Kazuma Takai, Ryuma Niiyama, Jun Shintake   +3 more
wiley   +1 more source

Theoretical and Experimental Study on the Effects of Depressurization Process on the Ice Nucleation of Supercooled Water

Zhileng xuebao, 2017
The control of ice nucleation temperature during the freezing stage has significant influences on quality uniformity of freeze-dried products and drying rate of later stages.
Huang Gensheng, Chen Guangming, Zhang Shaozhi, Jiang Qing   +3 more
doaj  

Modeling of the Frictional Behavior at the Contact Surface between the Different Materials Constituting Methane Hydrate Production Well

Journal of MMIJ, 2018
Depressurization process is regarded as the most effective process for gas recovery method from the viewpoints of gas productivity and economic efficiency among in-situ dissociation processes of Methane Hydrate (MH) existing in marine sediments. However,
Masayo KAKUMOTO, Yasuhide SAKAMOTO, Kuniyuki MIYAZAKI, Kazuo AOKI, Akira TAKIGUCHI, Aya YASUI, Jiro MORI   +6 more
doaj   +1 more source