Results 121 to 130 of about 3,071,481 (347)

Boosting the Energy Density of “Anode‐Free” Lithium Metal Batteries via Electrospun Polymeric Scaffolds

open access: yesAdvanced Functional Materials, EarlyView.
While host structures are known to enhance the reversibility and safety of lithium metal deposition, their additional volume and weight often decrease the battery's energy density and specific energy. By combining a lightweight and porous scaffold of electrospun polymer with a thinner separator, this article demonstrates a simultaneous improvement of ...
Lennart Wichmann   +6 more
wiley   +1 more source

Service Life Evaluation and Ultimate Water Content Prediction on Gas Valve of Multistage Compressor

open access: yesShiyou jixie
Gas reinjection in oilfields has the characteristics such as water contained in medium, high and wide variable range of pressure, the multistage reciprocating compressor is easily damaged by water hammer.
Li Peng   +4 more
doaj  

Cat‐Vibrissa‐Inspired Biomass Fiber Aerogels for Flexible and Highly Sensitive Sensors in Monitoring Human Sport

open access: yesAdvanced Functional Materials, EarlyView.
Inspired by cat vibrissae, biomimetic biomass PHFs/SA aerogels (BFAs) are developed via precursor‐assisted in situ polymerization and freeze‐synergistic assembly. These ultralight, porous pressure sensors exhibit high sensitivity and excellent durability, enabling pulse detection, handwriting recognition, Morse code transmission, and notably real‐time ...
Dandan Xie   +6 more
wiley   +1 more source

Cold-air performance of compressor-drive turbine of Department of Energy upgraded automobile gas turbine engine. 2: Stage performance [PDF]

open access: yes
The aerodynamic performance of the compressor-drive turbine of the DOE upgraded gas turbine engine was determined in low temperature air. The as-received cast rotor blading had a significantly thicker profile than design and a fairly rough surface finish.
Haas, J. E., Roelke, R. J.
core   +1 more source

Device for quickly sensing the amount of O2 in a combustion product gas [PDF]

open access: yes, 1990
A sensing device comprising an O2 sensor, a pump, a compressor, and a heater is provided to quickly sense the amount of O2 in a combustion product gas.
Davis, William T.   +2 more
core   +1 more source

Photoresponsive Gas‐Permeable Membranes: Fundamentals, Innovations, and Prospects

open access: yesAdvanced Functional Materials, EarlyView.
Photoresponsive gas‐permeable membranes can be potentially used for smart packing, carbon capture, hydrogen purification, and optical gas valves due to their remote and non‐contact activation, precise spatial and temporal control, and reversible switching capabilities.
Zhuan Wang   +6 more
wiley   +1 more source

Computational thermo-fluid dynamics contributions to advanced gas turbine engine design [PDF]

open access: yes
The design practices for the gas turbine are traced throughout history with particular emphasis on the calculational or analytical methods. Three principal components of the gas turbine engine will be considered: namely, the compressor, the combustor and
Adamczyk, J. J.   +2 more
core   +1 more source

Nanoplasmonics Reveal Ionic‐Strength‐Driven Hydration of Nanoparticles

open access: yesAdvanced Functional Materials, EarlyView.
Localized surface plasmon resonance (LSPR) of gold nanoparticles (AuNPs) is modulated by ionic‐strength‐dependent hydration shell compression. A predictive model connects shell thickness to non‐radiative damping and spectral shifts over seven orders of magnitude.
Yeeun Song   +4 more
wiley   +1 more source

Analysis of the performance of the compressor impeller during the transportation of natural gas and gas-hydrogen mixture

open access: yesАвіаційно-космічна техніка та технологія
The research object is the impeller of a centrifugal compressor used in gas-pumping units of main gas pipelines under conditions of transporting natural gas and its mixtures with hydrogen.
Kostiantyn Kapitanchuk, Dmytro Shkliaruk
doaj   +1 more source

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