Instability of cylinder wake under open-loop active control
Sign Up to like & getrecommendations! Published in 2017 at "Applied Mathematics and Mechanics"
DOI: 10.1007/s10483-017-2174-8
Abstract: Instability of a wake controlled by a streamwise Lorentz force is investigated through a Floquet stability analysis. The streamwise Lorentz force, which is a two-dimens- ional control input created by an electromagnetic actuator located on… read more here.
Keywords: control; wake; lorentz force; open loop ... See more keywords
Effectiveness of time-series analysis for thermal plume propagation assessment in an open-loop groundwater heat pump plant
Sign Up to like & getrecommendations! Published in 2018 at "Environmental Earth Sciences"
DOI: 10.1007/s12665-018-7820-9
Abstract: Thermal perturbation produced in the subsurface by open-loop groundwater heat pumps (GWHPs) represents a complex transport phenomenon that is affected by several factors, including intrinsic characteristics of the exploited aquifer, abstraction and reinjection well features,… read more here.
Keywords: groundwater; groundwater heat; heat; open loop ... See more keywords
Is open-loop recycling the lowest preference in a circular economy? Answering through LCA of glass powder in concrete
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2018.03.021
Abstract: Abstract The government of Quebec (Canada) is trying to find a useful outlet for the mixed waste glass pilling up in its landfills. One solution to consider is the use of fine glass powder from… read more here.
Keywords: production; glass; waste; glass powder ... See more keywords
Microstrip diplexer design based on two square open loop bandpass filters for RFID applications
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078718000314
Abstract: Abstract In this work, a simple and efficient approach to design a microstrip diplexer is proposed. It is based on the combination of two compact Square Open Loop Resonator band pass filters. These filters are… read more here.
Keywords: diplexer; square open; microstrip diplexer; open loop ... See more keywords
Roles of Closed- and Open-Loop Conformations in Large-Scale Structural Transitions of l-Lactate Dehydrogenase
Sign Up to like & getrecommendations! Published in 2019 at "ACS Omega"
DOI: 10.1021/acsomega.8b02813
Abstract: The mechanism of l-lactate generation from pyruvate by l-lactate dehydrogenase (LDH) from the rabbit muscle was studied theoretically by the multistructural microiteration (MSM) method combined with the quantum mechanics/molecular mechanics (QM/MM)–ONIOM method, where the MSM… read more here.
Keywords: loop conformation; closed open; reaction; loop ... See more keywords
Robust adaptive passivity-based control of open-loop unstable affine non-linear systems subject to actuator saturation
Sign Up to like & getrecommendations! Published in 2017 at "Iet Control Theory and Applications"
DOI: 10.1049/iet-cta.2017.0459
Abstract: Considering the effect of actuator saturation, a control design approach is presented for open-loop unstable affine non-linear systems. A feedback control law with some degrees of freedom along with a virtual output function is utilised… read more here.
Keywords: affine non; control; unstable affine; loop unstable ... See more keywords
Analysis and design of modular open‐loop LED driver with multi‐channel output currents
Sign Up to like & getrecommendations! Published in 2019 at "IET Power Electronics"
DOI: 10.1049/iet-pel.2018.6165
Abstract: In view of some applications for red green blue (RGB) light-emitting diodes (LEDs), a modular multi-channel constant-current LED driver is getting more important to obtain desirable colour and brightness. A multi-channel constant-current LED driver is… read more here.
Keywords: led driver; constant current; output; multi channel ... See more keywords
Magnifying effect of weak grid connection for a PMSG to induce torsional sub‐synchronous oscillations under the condition of open‐loop modal resonance
Sign Up to like & getrecommendations! Published in 2020 at "Iet Renewable Power Generation"
DOI: 10.1049/iet-rpg.2019.0126
Abstract: When open-loop modal resonance (OLMR) happens, a grid-connected PMSG may induce torsional sub-synchronous oscillations (SSOs) in a power system. This study examines the magnifying effect of a weak grid connection for the PMSG to induce… read more here.
Keywords: grid connection; connection; pmsg; weak grid ... See more keywords
Mean-field model of synchronization for open-loop, swirl controlled thermoacoustic system.
Sign Up to like & getrecommendations! Published in 2022 at "Chaos"
DOI: 10.1063/5.0136385
Abstract: Open-loop control is known to be an effective strategy for controlling self-excited periodic oscillations, known as thermoacoustic instability, in turbulent combustors. Here, we present experimental observations and a synchronization model for the suppression of thermoacoustic… read more here.
Keywords: state; open loop; model; transition ... See more keywords
Influence of abdominal aortic aneurysm shape on hemodynamics in human aortofemoral arteries: A transient open-loop study
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Fluids"
DOI: 10.1063/5.0139085
Abstract: New imaging methods have enabled the detection of unruptured abdominal aortic aneurysms (AAA). It is necessary to develop appropriate mathematical models for rupture prediction to allow a proper patient treatment plan. To provide valid hemodynamic… read more here.
Keywords: open loop; abdominal aortic; aneurysm; hemodynamics ... See more keywords
Small-Signal Instability of PMSG Wind Farm Caused by the PLL Under the Condition of Near Strong Open-Loop Modal Resonance
Sign Up to like & getrecommendations! Published in 2019 at "Electric Power Components and Systems"
DOI: 10.1080/15325008.2019.1604849
Abstract: Abstract This paper investigates the small-signal instability risk brought about by a phase locked loop (PLL) in a grid-connected PMSG wind farm. The investigation is based on a closed-loop interconnected model, wherein, the PLL and… read more here.
Keywords: condition; open loop; small signal; wind farm ... See more keywords