The first zero-energy office building in Singapore uses building integrated photovoltaics to meet its energy target. The main electricity generator is the 142.5kWp grid-connected BIPV system on the roof of the building. This paper presents the first performance assessment of the BIPV system over...

This paper presents a technique to map monthly average hourly global illuminance from satellite data. A semi-empirical model relating monthly average global illuminance to cloud index, precipitable water, total ozone column (TOC), aerosol optical depth (AOD) and air mass was developed. Data for...

The thermal decomposition of limestone has been selected as a model reaction for developing and testing an atmospheric open solar reactor. The reactor consists of a cyclone gas/particle separator which has been modified to let the concentrated solar energy enter through a windowless aperture....

The tilt angle influences the amount of energy collected by a photovoltaic module. However, representations of these effects on the energy yield and the performance of the PV system are commonly based on the theoretical calculations, whereas there is a lack of experimental investigations. To...

The paper contains examples on the distribution of the color percentage or the color portion during very clear days and others polluted days for each season from sunrise (SR) to sunset (SS) and the difference between them. Some important parameters such as the clearness index (KT), diffuse...

Biofuel production from renewable biomass has experienced increased interest in order to reduce U.S. dependence on imported oil and reduce carbon emissions. Concerns regarding cost efficiency and environmental problems result in significant challenges that hinder the increased biofuel production...