Results 151 to 160 of about 3,068,537 (392)

An energy trade-off management strategy for hybrid ships based on event-triggered model predictive control

open access: yesInternational Journal of Electrical Power & Energy Systems
This paper addresses the energy management problem of hybrid ships by proposing an event-triggered model predictive control (ET-MPC) method. The novelty in this work lies in the establishment of an event-triggered mechanism and a state prediction model ...
Diju Gao, Long Chen, Yide Wang
doaj   +1 more source

Energy issues in the developing world [PDF]

open access: yes
In 1986 and 1987 the lower oil prices called into question many of the fundamental assumptions that were the stock in trade of energy experts during the previous ten years.
Munasinghe, Mohan, Saunders, Robert J.
core  

Rapid Steam‐Assisted Temperature Swing Adsorption for Direct Air Capture Using a Rotary Adsorber

open access: yesAdvanced Science, EarlyView.
This study presents a direct air capture (DAC) device based on a steam‐regeneration rotary adsorber for high‐purity CO2. Testing of the prototype demonstrates its capability for continuous and stable carbon capture with the potential to achieve ton‐scale.
Junye Wu   +6 more
wiley   +1 more source

Low Pressure Nuclear Thermal Rocket (LPNTR) concept [PDF]

open access: yes
A background and a description of the low pressure nuclear thermal system are presented. Performance, mission analysis, development, critical issues, and some conclusions are discussed. The following subject areas are covered: LPNTR's inherent advantages
Ramsthaler, J. H.
core   +1 more source

Engineering Immune Cell to Counteract Aging and Aging‐Associated Diseases

open access: yesAdvanced Science, EarlyView.
This review highlights a paradigm shift in which advanced immune cell therapies, initially developed for cancer, are now being harnessed to combat aging. By engineering immune cells to selectively clear senescent cells and remodel pro‐inflammatory tissue microenvironments, these strategies offer a novel and powerful approach to delay age‐related ...
Jianhua Guo   +5 more
wiley   +1 more source

Geography of World Coal Market: Positions of Exporting and Importing Countries

open access: yesVestnik MGIMO-Universiteta
The global energy market is undergoing profound restructuring as many countries adopt policies to phase out fossil fuels and reorganize supply chains.
P. S. Moskvoretskiy
doaj   +1 more source

The economic impact of sanctions on the Russian economy [PDF]

open access: yes, 2016
This paper assesses the impact of the EU and NATO sanctions on the Russian economy. An examination of the data revealed that the sanctions have directly impacted on various sectors of the Russian economy.
Bojang, I., Okrah, J.
core  

Photocatalytic Micro/Nanomotors Functioning in the Near‐Infrared Window for Biomedical Applications

open access: yesAdvanced Science, EarlyView.
This review focuses on near‐infrared responsive photocatalytic micro/nanomotors based on inorganic materials, with particular emphasis on minimally invasive biomedical applications. It discusses material strategies for achieving near‐infrared responsiveness, including heterostructure construction, upconversion nanoparticle integration, defect ...
Yufen Chen   +2 more
wiley   +1 more source

Assessment of Extending Flight Endurance Through Engine Dynamic Clearance Control via Fuel Heat Sink Utilization

open access: yesAerospace
Active clearance control (ACC) is an effective means of reducing engine fuel consumption. Recently, an innovative fuel-cooled ACC (FCACC) scheme has been developed to improve engine performance by utilizing fuel from the aircraft fuel thermal management ...
Shiyu Yang   +5 more
doaj   +1 more source

Climate and air quality trade-offs in altering ship fuel sulfur content

open access: gold, 2013
Antti‐Ilari Partanen   +9 more
openalex   +1 more source

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