Showing 1 - 10 of 57
This work aims at optimizing life cycle performance of a hybrid combined cooling heating and power (CCHP) system incorporating with solar energy and natural gas. A basic natural gas CCHP system containing power generation unit, heat recovery system, hybrid cooling system and storage tank, is...
Persistent link: https://www.econbiz.de/10011263249
This paper studies the impact of weather variation on energy use by using 5-minutes interval weather–energy data obtained from two residential houses: house 1 is a conventional house with advanced efficiency features and house 2 is a net-zero solar house with relatively more advanced...
Persistent link: https://www.econbiz.de/10011263251
Analytical expressions for the electrical efficiencies (ηm) of building integrated opaque photovoltaic thermal (BIOPVT) systems based on thin film photovoltaic (PV) modules have been derived. The expressions are valid for different climatic conditions and different design parameters of the...
Persistent link: https://www.econbiz.de/10011263295
This paper proposes a novel Maximum Power Point Tracking (MPPT) method suitable for any application in which very fast changing and not uniform shading conditions continuously occur, as in case of photovoltaic systems (PVs) installed in the roof of electric vehicles. Basically, an Artificial...
Persistent link: https://www.econbiz.de/10011263355
In this work, the effect of the number of stages on the productivity of a multi-effect active solar still was experimentally investigated for the first time. Moreover, system performances in continuous and non-continuous modes were compared. For this purpose, indoor experiments were conducted on...
Persistent link: https://www.econbiz.de/10011116057
This paper presents the design, simulation and optimisation of a small trigeneration plant supplied by geothermal and solar energies. Different technologies are implemented in a dynamic simulation model purposely developed for research scope: a 6kWe micro Organic Rankine Cycle (ORC); a 30kWf...
Persistent link: https://www.econbiz.de/10011116103
Air solar heaters have more and more applications in many areas, including the building sector, food industry, and agricultural sector. This paper presents a novel construction of a forced air solar heater based on a confined single slot jet of air impinging on the flat surface of an absorber...
Persistent link: https://www.econbiz.de/10011208360
The efficient utilization of the solar spectrum has been intensively addressed by solar researchers in the last decades. For instance, many efforts have been made to improve the efficiency of PV cells and to allow their operation at high temperatures and concentration ratios (CR). On the other...
Persistent link: https://www.econbiz.de/10011189386
A 3D numerical model for flat-plate liquid solar collectors has been developed. This model is envisioned for predicting the efficiency curve of the collector, for which the different heat transfer mechanisms involved are simultaneously taken into account: solar radiation absorption, transmission...
Persistent link: https://www.econbiz.de/10011189389
Hybrid photovoltaic/thermal (PV/T) devices can simultaneously generate thermal and electrical energy, but have been limited to low temperature applications. This is done to avoid performance degradation of the PV cell at high temperatures. While the low temperature approach limits PV losses, it...
Persistent link: https://www.econbiz.de/10011189442