Showing 1 - 10 of 1,573
is wasted, and at its beginning-of-life, where mining ore grades decline after extraction. …
Persistent link: https://www.econbiz.de/10011133882
coal mining industry produces coal as an energy source, it is also uses a lot of energy for its own operation and support … at mining processes and see where energy is being used inefficiently. …
Persistent link: https://www.econbiz.de/10011030783
) system on a greenhouse. In particular, firstly the farm profitability has been estimated and subsequently, in order to assess …
Persistent link: https://www.econbiz.de/10010787066
The power converter is one of the essential elements for effective use of renewable power sources. This paper focuses on the development of a circuit simulation model for maximum power point tracking (MPPT) evaluation of solar power that involves using different buck-boost power converter...
Persistent link: https://www.econbiz.de/10010884951
Low enthalpy geothermal systems exploited with ground source heat pumps or groundwater heat pumps present many advantages within the context of sustainable energy use. Designing, monitoring and controlling such systems requires the measurement of spatially distributed temperature fields and the...
Persistent link: https://www.econbiz.de/10010885348
inherent tradeoff between fault tolerance, the specified SLA and profit maximization. The results show that Shadow Replication … profit increase can be achieved due to reduced energy consumption. …
Persistent link: https://www.econbiz.de/10010886252
A high penetration of wind energy into the electricity market requires a parallel development of efficient wind power forecasting models. Different hybrid forecasting methods were applied to wind power prediction, using historical data and numerical weather predictions (NWP). A comparative study...
Persistent link: https://www.econbiz.de/10010886253
Form finding describes the process of finding a stable equilibrium shape for a system under a specific set of loads, for a set of boundary conditions and starting from an arbitrary initial geometry. However, form finding does not traditionally involve performance constraints such as...
Persistent link: https://www.econbiz.de/10010886254
Efficient systems for high performance buildings are required to improve the integration of renewable energy sources and to reduce primary energy consumption from fossil fuels. This paper is focused on sensible heat thermal energy storage (SHTES) systems using solid media and numerical...
Persistent link: https://www.econbiz.de/10010887128
A hybrid fuel cell system (~10 kWe) for an average family house including heating is proposed. The investigated system comprises a Solid Oxide Fuel Cell (SOFC) on top of a Polymer Electrolyte Fuel Cell (PEFC). Hydrogen produced from the off-gases of the SOFC can be fed directly to the PEFC....
Persistent link: https://www.econbiz.de/10010890186