Results 61 to 70 of about 166,217 (209)

A Conceptual Design Study on the Application of Liquid Metal Heat Transfer Technology to the Solar Thermal Power Plant [PDF]

open access: yes
Alkali metal heat transfer technology was used in the development of conceptual designs for the transport and storage of sensible and latent heat thermal energy in distributed concentrator, solar Stirling power conversion systems at a power level of 15 ...
Divakaruni, S. M.   +4 more
core   +1 more source

AI-powered smart hydrological measurement using deep vision integrated with BeiDou high precision positioning

open access: yesDiscover Artificial Intelligence
Accurate hydrological measurement is essential for flood prediction. As per the early investigations, most modern methods struggle with significant limitations regarding precise monitoring and tracking ability.
Zhiqiang He, Dongxiang Zhang, Qian Wang
doaj   +1 more source

Prospects for pumped-hydro storage in Germany [PDF]

open access: yes
After a period of hibernation, the development of pumpedâ€hydro storage plants in Germany regains momentum. Motivated by an ever increasing share of intermittent renewable generation, a variety of energy players considers new projects, which could ...
Bjarne Steffen
core  

Sediment and Hydrologic Budgets for the Lake of the Woods Watershed, Champaign County, Illinois [PDF]

open access: yes, 1983
published or submitted for publicationis peer ...
Lee, Ming T., Makowski, Paul B.
core  

Cold water aquifer storage [PDF]

open access: yes
A working prototype system is described in which water is pumped from an aquifer at 70 F in the winter time, chilled to a temperature of less than 50 F, injected into a ground-water aquifer, stored for a period of several months, pumped back to the ...
Davison, R. R.   +2 more
core   +1 more source

Steam storage systems for flexible biomass CHP plants - Evaluation and initial model based calculation [PDF]

open access: yes, 2019
The file attached to this record is the author's final peer reviewed version. The Publisher's final version can be found by following the DOI link.Within the present study a novel concept for the demand-oriented power generation of a solid-biomass fueled
Abdessamad, S.   +4 more
core   +2 more sources

Research on the performance of pump-turbine during the transition process from pump mode to turbine mode

open access: yesFrontiers in Energy Research
In current engineering, the transition process of pump turbines from pump to turbine mode mainly includes the shutdown process of pump operating and the startup process of turbine operating, and the switching of working conditions mostly depends on the ...
Zhe Man   +10 more
doaj   +1 more source

Design concepts for the ASTROMAG cryogenic system [PDF]

open access: yes, 1987
Described is a proposed cryogenic system used to cool the superconducting magnet for the Space Station based ASTROMAG Particle Astrophysics Facility. This 2-meter diameter superconducting magnet will be cooled using stored helium II. The paper presents a
Castles, S., Green, M. A.
core   +2 more sources

Acoustic-Based Condition Recognition for Pumped Storage Units Using a Hierarchical Cascaded CNN and MHA-LSTM Model

open access: yesEnergies
As an important regulating resource in power systems, pumped storage units frequently switch operating conditions due to peak shaving and frequency regulation, making the condition transitions complex.
Linghua Kong   +8 more
doaj   +1 more source

Prospect of new pumped-storage power station

open access: yesGlobal Energy Interconnection, 2019
In this paper, a new type of pumped-storage power station with faster response speed, wider regulation range, and better stability is proposed. The operational flexible of the traditional pumped-storage power station can be improved with variable-speed ...
Jingyan Li, Chuanbao Yi, Sujie Gao
doaj   +1 more source

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