Results 111 to 120 of about 22,193,659 (299)

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

open access: yesAdvanced 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   +5 more
wiley   +1 more source

Recent Advances in Light‐Addressable Electrochemistry for Spatially Resolved Applications

open access: yesAdvanced Materials Technologies, EarlyView.
This comprehensive review highlights light‐addressable electrochemistry as a powerful tool that uses light to control localized chemical reactions on unstructured semiconductor surfaces. The work evaluates advanced strategies to optimize electrode materials for enhanced spatial resolution and stability. Furthermore, it showcases diverse applications in
Nhi Trang Vo   +2 more
wiley   +1 more source

Thermodynamic investigation of the efficiency of ammonia-powered marine solid oxide fuel cells with gas turbine

open access: yesHeliyon
Improvement of marine power plants includes increasing their efficiency and drastically reducing emissions of pollutants, which involves transitioning to carbon-free fuels.
Serhiy Serbin   +3 more
doaj   +1 more source

Investigations of the fuel supply system of stationary combustion engine fed with natural gas

open access: yesCombustion Engines, 2013
The idea of the new fuel supply system of the turbocharged SI engine equipped with the natural gas multipoint injection system has been presented in article. Results of tests of work and ecological parameters of that engine have been presented. Obtained results have been compared to the results of investigations carried out for standard mixer fuel ...
Marek Brzeżański   +4 more
openaire  

Nonlocomotory Robotic Strategies for Dynamic Rotation Control in Terrestrial Robots: A Review

open access: yesAdvanced Robotics Research, EarlyView.
Terrestrial robots increasingly require rapid body rotation to maintain stability and agility in complex environments. This review shows nonlocomotory rotational control strategies that operate without ground contact, including reaction wheels, tails, bars, limbs, and thrusters.
Y. Liang   +14 more
wiley   +1 more source

Competition and Security of Supply: Let Russia Buy into the European Gas Market! [PDF]

open access: yes
We propose a model of the European gas market where the risk that Russian deliveries are interrupted is endogenized. While Russia's attempts to buy considerable parts of the European downstream industry have faced strong political opposition, we argue ...
Ruban, Rostyslav, Bolle, Friedel
core  

Inexpensive renewable electricity enables Saudi Arabia's fuel price reforms

open access: yesEnergy Strategy Reviews
Saudi Arabia is currently implementing fuel price reforms. The reforms are being executed in phases, where the ultimate goal is to have fuel prices approach their market equivalent values.
Walid Matar
doaj   +1 more source

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

open access: yesAdvanced 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

From Lab to Landscape: Environmental Biohybrid Robotics for Ecological Futures

open access: yesAdvanced Robotics Research, EarlyView.
This Perspective explores environmental biohybrid robotics, integrating living tissues, microorganisms, and insects for operation in real‐world ecosystems. It traces the leap from laboratory experiments to forests, wetlands, and urban environments and discusses key challenges, development pathways, and opportunities for ecological monitoring and ...
Miriam Filippi
wiley   +1 more source

Power management of a 1kW HTPEMFC based CHP system [PDF]

open access: yes, 2011
Includes bibliographical references (leaves 142-149).There is a growing interest in fuel cell technology for portable, stationary and transportation applications.
Reddy, Direshni
core   +1 more source

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