Results 71 to 80 of about 174,291 (292)

Operation regimes in a rotating detonation combustor [PDF]

open access: yesINCAS Bulletin
This paper presents an exploration of the operational envelope of a Rotating Detonation Combustor based on the design of the research group at the University of Southampton.
George Ionut VRABIE   +5 more
doaj   +1 more source

Vibration Energy Harvesting Potential for Turbomachinery Applications [PDF]

open access: yesINCAS Bulletin, 2018
The vibration energy harvesting process represents one of the research directions for increasing power efficiency of electric systems, increasing instrumentation nodes autonomy in hard to reach locations and decreasing total system mass by eliminating ...
Adrian STOICESCU   +4 more
doaj   +1 more source

Membrane reactor technology for ultrapure hydrogen production [PDF]

open access: yes, 2005
The suitability of polymer electrolyte membrane fuel cells (PEMFC) for stationary and vehicular applications because of its low operating temperatures, compactness, higher power density, cleaner exhausts and higher efficiencies compared to conventional ...
Patil, Charudatta Subhash
core   +1 more source

Experimental campaign tests on ultra micro gas turbines, fuel supply comparison and optimization [PDF]

open access: yes, 2018
The increasing demand for miniaturized radio-controlled vehicles inspired the following research. The uses of these unmanned miniaturized/micro vehicles range from aero-modeling to drones for urban control and military applications too.
Capata, Roberto, Saracchini, Matteo
core   +2 more sources

Techno‐Economic Analysis of Polylactic Acid from Corn Stover: Understanding Uncertainty and Variability via Artificial Intelligence Tools

open access: yesAdvanced Sustainable Systems, EarlyView.
This study analyses the uncertainty and variability existing in the economic performance of polylactic acid (PLA) production, via integrating techno‐economic analysis with process models and Monte Carlo simulation enabled by artificial intelligence. The results show that the minimum selling price varies from $2,107 to $3076/t PLA.
Yinqiao Wang   +5 more
wiley   +1 more source

Acoustic Analysis of a Hybrid Propulsion System for Drone Applications

open access: yesAcoustics
This paper aims to conduct an acoustic analysis through noise measurements of a hybrid propulsion system intended for implementation on a drone, from which the main noise sources can be identified for further research on noise reduction techniques ...
Mădălin Dombrovschi   +6 more
doaj   +1 more source

Optimizing Gas Turbine Performance Using the Surrogate Management Framework and High-Fidelity Flow Modeling [PDF]

open access: gold, 2020
Nikita Kozak   +7 more
openalex   +1 more source

Gas maldistribution in a fermenter stirred with multiple turbines [PDF]

open access: yes, 2006
The study is focused on modeling of gas maldistribution of aerated liquid systems in a multiple impeller bioreactor. The phenomenon may or may not depend on column design.
Brienne, Jean Paul   +3 more
core  

Flow generated by radial flow impellers: PIV measurements and CFD simulations [PDF]

open access: yes, 2004
Particle image velocimetry (PIV) and computational fluid dynamics (CFD) have been used to investigate the single phase and gas-liquid flow generated by a Scaba SRGT turbine.
Aubin, Joelle   +6 more
core   +1 more source

High‐Speed, Maneuverable, and Terrain‐Adaptive Micro‐Robot with Tree Frog‐Inspired Bionic Feet

open access: yesAdvanced Science, EarlyView.
A 7.5 mm micro‐robot integrates tree frog‐inspired bionic feet with an electromagnetic linear motor to achieve high‐speed locomotion, slope climbing, and precise turning. It reaches 39 body lengths per second and ascends 30° slopes. The system demonstrates strong potential for inspection tasks in confined and complex environments, such as micro‐aero ...
Weizhi Zhao   +10 more
wiley   +1 more source

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