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With the rapid integration of distributed energy resources (DERs), distribution utilities are faced with new and unprecedented issues. New challenges introduced by high penetration of DERs range from poor observability to overload and reverse power flow ...
Luka Strezoski +3 more
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Hydrogen energy is regarded as a key path to combat climate change and promote sustainable economic and social development. The fluctuation of renewable energy leads to frequent start/stop cycles in hydrogen electrolysis equipment.
Meng Niu +6 more
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Feasibility of Low Carbon Renewable Energy City Integrated with Hybrid Renewable Energy Systems
This study evaluated the energy saving potential of renewable energy generation systems based on integrated solar energy in an urban environment. The solar city concept was implemented using photovoltaic (PV) and solar thermal systems.
Min-Hwi Kim, Deuk-Won Kim, Dong-Won Lee
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Ground Source and Sewage Water Source Heat Pump Systems for Block Heating and Cooling Network
The demand for district heating and cooling systems in block units with a heat pump that utilizes various unused energy sources for energy supply has been increasing.
Min-Hwi Kim +4 more
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Scholars usually ignore the non-equilibrium condensing effects in turbulence-model comparative studies on supersonic steam ejectors. In this study, a non-equilibrium condensation model considering real physical properties was coupled respectively with ...
Yiqiao Li +4 more
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Numerical Simulation of Vapor Dropwise Condensation Process and Droplet Growth Mode
Compared with film condensation, dropwise condensation based on droplet growth can significantly improve the condensing equipment’s water collection and thermal efficiency in the vapor condensate system.
Yali Guo +4 more
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The Effect of Different Pressure Conditions on Shock Waves in a Supersonic Steam Ejector
The complex flow phenomena in a three-dimensional supersonic steam ejector were simulated with a non-equilibrium condensation model including real physical properties in different pressure conditions.
Yiqiao Li +4 more
doaj +1 more source
Due to the wide-spread use of photovoltaic (PV) systems, interest regarding economic benefit and energy-sharing from surplus electricity has been raised. In this study, decentralized thermal and electric convergence energy prosumers for an energy-sharing
Min-Hwi Kim +4 more
doaj +1 more source
Developing a Data-Driven Micro-Credential framework to enhance Primary School Sustainability Programmes [PDF]
This study proposes the design of a micro-credential system aimed at helping primary schools track, measure, and improve sustainability practices, ultimately assisting them with their sustainability curriculum.
Barry Carrie Anne +6 more
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District cooling and heating methods that can utilize highly efficient heat pumps and various unused new and renewable types of energy are required to achieve low carbon emissions and zero energy usage in buildings and community units.
Min-Hwi Kim +3 more
doaj +1 more source

