Articles with "power units" as a keyword



Emissions from auxiliary power units and ground power units during intraday aircraft turnarounds at European airports

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Published in 2018 at "Transportation Research Part D: Transport and Environment"

DOI: 10.1016/j.trd.2018.06.015

Abstract: Abstract It is widely known that emissions from aircraft engines, Auxiliary Power Units (APU) and ground handling equipment contribute to air pollution at airports. During the aircraft turnaround process, the main source of emissions is… read more here.

Keywords: aircraft turnarounds; power units; ground power; power ... See more keywords

Alternative Pathway to Phase Down Coal Power and Achieve Negative Emission in China.

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.2c06004

Abstract: Although widely recognized as the key to climate goals, coal "phase down" has long been argued for its side effects on energy security and social development. Retrofitting coal power units with biomass and coal co-firing… read more here.

Keywords: power units; achieve negative; emission; coal ... See more keywords

Safety of the batteries and power units used in insulin pumps: A pilot cross‐sectional study by the Association for the Study of Innovative Diabetes Treatment in Japan

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Published in 2018 at "Journal of Diabetes Investigation"

DOI: 10.1111/jdi.12765

Abstract: We investigated the safety of the batteries and power units used in insulin pumps in Japan. read more here.

Keywords: power units; study; safety batteries; units used ... See more keywords

MPEC approach for solving preventive maintenance scheduling of power units in a market environment

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Published in 2018 at "Transactions of the Institute of Measurement and Control"

DOI: 10.1177/0142331216659336

Abstract: Yearly preventive maintenance scheduling of generating units in a restructured power system is one of the most important problems that have to be solved in modern power systems. In this paper, a bilevel approach is… read more here.

Keywords: preventive maintenance; power units; power; problem ... See more keywords

Architecture-based comparison of hydraulic power units in quadrupeds, hexapods, and monopods: A systematic review

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Published in 2025 at "Advances in Mechanical Engineering"

DOI: 10.1177/16878132251399953

Abstract: Robots have increasingly become integral in enhancing human life, with growing demands for robots with high payload-to-weight ratios and dynamic capabilities like running and jumping. Hydraulic actuation, renowned for its high power-to-weight ratio, is a… read more here.

Keywords: architecture; hydraulic power; hexapods monopods; power units ... See more keywords

Study of Load Adjustment Strategy for Nuclear Power Units Focusing on Rankine Cycle: Flexibility–Environment–Economy

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Published in 2024 at "Energies"

DOI: 10.3390/en17061357

Abstract: The demand for the power grid system’s capacity to undergo peak-shaving is increasing as the proportion of renewable energy rises. In China, nuclear power units usually only provide a base load operation in the view… read more here.

Keywords: power units; nuclear power; load adjustment; adjustment ... See more keywords

Improving the Flexibility of Coal-Fired Power Units by Dynamic Cold-End Optimization

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Published in 2025 at "Energies"

DOI: 10.3390/en18133375

Abstract: Traditional coal-fired power units are required to improve their operational flexibility to accommodate increasing renewable energy. In this paper, an optimized operation approach of the cold-end system is proposed to improve the flexibility of coal-fired… read more here.

Keywords: coal fired; end; fired power; power units ... See more keywords