Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Y.G. Yohanis"'
Publikováno v:
International Journal of Ambient Energy. 39:467-476
Three-year, hourly averaged, field data have been analysed for eight installed photovoltaic (PV) systems. Correlations of PV array yield as a function of insolation have been developed using long-term field data considering PV as a part of system in
Publikováno v:
Procedia Engineering. 145:1144-1152
Architects are confronted with the priority of the early integration of natural smoke ventilation (NSV) and natural thermal ventilation (NTV) objectives in retail building designs due to several reasons including wide range of expertise and lack of f
Publikováno v:
International Journal of Sustainable Energy. 31:347-364
The performance of a DHW system fitted with flat-plate and vacuum collectors has been analysed. Simulations were carried out on the basis of equal aperture or gross areas of basis using TMY data for hour-by-hour dynamic simulation generated for 1036
Autor:
Y.G. Yohanis
Publikováno v:
Energy Policy. 41:654-665
This paper discusses domestic energy use and energy behaviour. It shows some improvement in domestic energy consumption and adoption of good energy practice. The survey conducted indicated that 35% of homes could improve their energy efficiency by im
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy. 224:641-655
A photovoltaic (PV) water pumping system has been modelled using TRNSYS considering a power supply, a direct current (DC)/alternating current (AC) inverter, an AC induction motor, a centrifugal pump, a well, a water storage tank, and an overflow prot
Autor:
Y.G. Yohanis, Jayanta Deb Mondol
Publikováno v:
Applied Energy. 87:681-690
The internal temperatures of 25 households in Northern Ireland were measured in each house at four locations: the bedrooms, living rooms, halls and kitchens, and analysed on seasonal, monthly and daily bases. In 80% of the homes the winter average da
Publikováno v:
Applied Energy. 86:985-999
The impact of photovoltaic (PV) array size, orientation, inclination, load profile, electricity buying price, feed-in tariffs, PV/inverter sizing ratio (‘sizing ratio’) and PV/inverter cost ratio (‘cost ratio’) on the economic viability of a
Publikováno v:
Renewable Energy. 33:1109-1120
The effect of 12 different combinations of diffuse–global correlations and tilted surface radiation models on the accuracy of PV output simulation of a grid-connected photovoltaic (PV) system was studied using statistical methods. A site specific d
Publikováno v:
Energy and Buildings. 40:1053-1059
The patterns of electricity consumption were studied for 27 representative dwellings in Northern Ireland. The type of dwelling, its location, ownership and size, household appliances, attributes of the occupants including number of occupants, income,
Publikováno v:
Energy Conversion and Management. 48:1065-1080
Predicted performance of a grid connected photovoltaic (PV) system using TRNSYS was compared with measured data. A site specific global-diffuse correlation model was developed and used to calculate the beam and diffuse components of global horizontal