heliodon


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heliodon

an instrument used in astronomy to show the apparent movement of the sun.
See also: Astronomy, Sun
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References in periodicals archive ?
The Skydome is the artificial sky and heliodon facility opened in 1999.
Para la seleccion de areas de estudio se realizo previamente un estudio de sombreado (Figura 4) con el modelo simulacion Heliodon, para la observacion directa del soleamiento (maqueta).
The lab uses two instruments to assess the impact of sky luminance and solar radiation-The Artificial Sky, which allows simulates the average overcast conditions of the Piedmont region, and a Fixed Sun Movable Earth Heliodon, which simulates actual solar penetration.
The passive solar house was initially designed using a heliodon to determine how the sun's rays shines on the house any time, day, and month of the year.
* Architects can use the center's Heliodon laboratory to determine how natural light and shadow from windows, skylights, and doors impact tlheir building designs.
They comprise an environmental laboratory containing a wind tunnel, artificial sky and heliodon, which is the most advanced of its kind in the UK and provides a unique facility for simulating wind and sun effects and is used for environmental scale modelling.
The Pacific Energy Center in San Francisco offers building designers access to its heliodon for just such purposes.
THE SUN EMULATOR: A NEW TYPE OF HELIODON. Norbert M.