direct solar radiation

direct solar radiation

[də¦rekt ¦sō·lər rād·ē′ā·shən]
(astrophysics)
That portion of the radiant energy received at the actinometer direct from the sun, as distinguished from diffuse sky radiation, effective terrestrial radiation, or radiation from any other source.
References in periodicals archive ?
Sun drying refers to the exposure of a product to direct solar radiation and the convective power of the wind.
Delivering a speech on behalf of Minister Isak Katali, NamPower board member and Director within the Ministry of Mines and Energy SelmaPenna Utonhi said, "Namibia has a huge potential of renewable energy resources, with a direct solar radiation of about 300 kilowatt hours per square metre per annum in some areas, being the best in the world, and thus offering opportunities for households not connected to the national grid.
In fact, the mirrors concentrate the direct solar radiation to such an extent that a suitable operating medium such as Diphyl can be heated to temperatures of around 400 AC.
With bifacial solar cells provided by NSP, ET Solar's Double Glass Bifacial Module can collect more surrounding reflective light in addition to direct solar radiation, greatly increasing efficiency and output.
Warm sunny (WS) days exhibit peak summer outdoor temperatures and moderately high levels of direct solar radiation on glazing, depending on the solar shading present.
Use curtains and blinds on all windows and glazed doors where there is a direct solar radiation.
Exposed leaves are expected to use direct solar radiation and be more active when the sun is close to the horizon, while shaded leaves specialize in the capture of diffuse radiation and are more active when the sun is higher.
While we expect that energy-conserving walls and ceilings will dramatically insulate against heat loss and block direct solar radiation knowledgeable building managers and project developers anticipate far less in the way of energy conservation from even the most energy efficient windows.
The technology is expected to work best in areas which have higher direct solar radiation such as New Mexico.
All simulations presented in this paper, for estimating the orientation efficiency, are based on the direct solar radiation (available and received).
nidus is unlikely to receive direct radiation due to shading by the host tree trunk, whereas the exposed abaxial side should at least occasionally intercept direct solar radiation.

Full browser ?