681   Artículos

 
en línea
Coskun Hamzaçebi    
Forecasting electricity consumption is a very important issue for governments and electricity related foundations of public sector. Recently, Grey Modelling (GM (1,1)) has been used to forecast electricity demand successfully. GM (1,1) is useful when the... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

 
en línea
N Mbuli, R Xezile, JHC Pretorius, P Sowa    
Power system faults can cause voltage sags that, if they are less than voltage sensitivity threshold of equipment, can lead to interruption of supply and lead to incurring of financial losses. The impact of distributed generation (DG) on these financial ... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

 
en línea
Karidewa Nyeinga, Ole J Nydal, Denis Okello, Eldad J.K.B. Banda    
This study presents a dynamic model for a concentrating solar energy collector with an integrated rock bed heat storage system. The model is based on numerical integration of a set of conservation equations for mass, momentum and energy of the heat carri... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

 
en línea
N. Marc-Alain Mutombo, Freddie Inambao, Glen Bright    
The conversion of solar irradiance into electricity by a photovoltaic module (PV) is 6? 7% of the incoming energy from the sun depending on the type of technology and the environmental parameters. More than 80% of incoming energy from the sun is reflecte... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

 
en línea
AZ Dhunny, MR Lollchund, SDDV Rughooputh    
A study was carried out to analyse the potential of wind energy in the generation of electricity for a smart city which is located in the South-East Coastal Zone of Mauritius. A flat land area of 10 square km situated about 3.5 km from the smart city was... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

 
en línea
E. Tyler, B. Cohen    
The implementation of climate change policy in South Africa inevitably requires decision-makers to navigate issues of development. This paper explores some of the implications of this requirement by examining the case of a proposed new independent coal-f... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

 
en línea
L. Gunda, E. Chikuni, H. Tazvinga, J. Mudare    
Only 40% of Zimbabwe?s population has access to electricity. The greater proportion of the power is generated from thermal stations, with some from hydro and solar energy sources. However, there is little investment in the use of wind for electricity gen... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

 
en línea
S. Tangwe, K. Kusakana    
Air source heat pump (ASHP) water heaters are efficient devices for sanitary hot water heating. The coefficient of performance (COP) of the air to water heat pump (AWHP) is constantly lower than that of the corresponding ASHP unit. The study focused on d... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

 
en línea
M. Mpholo, M. Mothala, L. Mohasoa, D. Eager, R. Thamae, T. Molapo, T. Jardine    
This study undertook a 2010 to 2030 electricity demand profile for Lesotho, with 2010 used as the base year. The demand forecast was modelled using the International Atomic Energy Agency Model for Analysis of Energy Demand, largely because of its proven ... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

 
en línea
N.C. Nkosi, R.P. Burger, N.R. Matandirotya , C. Pauw, S.J. Piketh    
Domestic solid fuel combustion remains a key contributor to indoor and ambient air pollution in low-income settlements. Understanding solid-fuel cost perceptions and burning patterns variability is required for developing sustainable energy policies and ... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

« Anterior     Página: 1 de 69     Siguiente »