Results 31 to 40 of about 195,236 (290)
Numerical study on aerodynamic effects in passive pitching dynamics of insect flapping wings
This study is concerned with aerodynamic effects in passive pitching dynamics of insect flapping wings, which would be based on the Fluid-Structure Interaction (FSI). Thus, we evaluated them using three-dimensional numerical analyses for the FSI based on
Daisuke ISHIHARA +2 more
doaj +1 more source
Power system inertia is an essential part of grid frequency control. The number of synchronously connected machines, which inherently provide inertia, is decreasing due to the transition to renewable energies.
Henning Thiesen, Clemens Jauch
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The Impact of Frequency Support by Wind Turbines on the Small-Signal Stability of Power Systems
Rising wind energy integration, accompanied by a decreasing level of system inertia, requires additional sources of ancillary services. Wind turbines based on doubly fed induction generators (DFIGs) can provide inertial and primary frequency support when
Antonio Pepiciello +2 more
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Development and Investigation of a Synthetic Inertia Algorithm
In this article, we present a synthetic inertia (SI) algorithm that allows for the simulation of the inertia response of a traditional generator to an electrical power system.
Paulius Cicėnas, Virginijus Radziukynas
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ABSTRACT Background Adult survivors of childhood acute lymphoblastic leukemia (ALL) are at risk of reduced exercise capacity, decreased physical activity levels, persistent fatigue, and neurocognitive deficits. The aim was to investigate exercise capacity and physical activity levels of adult survivors of childhood ALL and their associations with ...
Laura Jess +5 more
wiley +1 more source
Microvibrations of spacecraft are mainly generated by control moment gyroscopes (CMGs), which seriously reduces the effectiveness of spacecraft attitude control. Considerable work about vibration isolators has been conducted for isolating microvibrations
Lei Chen +5 more
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Overview of Inertia Enhancement Methods in DC System
The modern power system is experiencing transformation from the rotational-generation-equipment-dominated system to a power-electronics-converter-dominated system, with the increasing penetration of renewable energy resources such as wind and ...
Feng Wang +3 more
doaj +1 more source
How to counter organisational inertia to enable knowledge management practices adoption in public sector organisations [PDF]
Purpose: Knowledge management (KM) is associated with higher performance and innovative culture; KM can help public sector to be fiscally lean and meet diverse stakeholders’ needs.
Al Badi Al Dhaheri, M.S.M. +7 more
core +1 more source
Proteostasis and the gut microbiota play a key role in shaping host physiology. Microbiota‐derived metabolites, vitamins, and RNA modulate host proteostasis. Findings from model systems, including C. elegans, indicate microbes can either stabilize or disrupt host proteostasis.
Abhishek Anil Dubey, Maria Ermolaeva
wiley +1 more source
Under-frequency load shedding (UFLS) is a classic and a commonly accepted measure used to mitigate the frequency disturbances in case of loss-of-generation incidents in AC power grids.
Antans Sauhats +4 more
doaj +1 more source

