Heliodon

Optimizes building orientation to balance heat gain in winter and cooling in summer.

The light source (simulating the sun) stays in one spot, while the table holding the architectural model tilts and rotates. The table's movements represent: The location on Earth. Season: The day of the year (solar declination). Time: The hour of the day. 2. Movable Light (Fixed Table)

The device operates on a lococentric view, assuming the observer's location is fixed while the sun moves around it. To accurately simulate solar geometry, a heliodon typically adjusts across three primary variables:

Accounts for solar declination, often focusing on extremes like the summer and winter solstices. heliodon

Helps design effective overhangs and louvers to prevent overheating.

The heliodon feature would allow users to analyze and visualize the impact of sunlight on buildings and spaces throughout the day and year. This feature could include:

Sets the angle relative to the Earth's horizontal plane. Optimizes building orientation to balance heat gain in

Provides an intuitive way for students to grasp complex concepts like azimuth and altitude. How a Heliodon Works

Analyzes how natural light enters a space to reduce the need for electric lighting.

The model sits on a flat, stationary surface while the light source moves along a track or robotic arm to trace the sun's trajectory. This is often considered more intuitive as it mimics the sky dome. Physical vs. Digital Simulations Season: The day of the year (solar declination)

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A heliodon functions as a solar emulator, typically employing one of two mechanical setups: 1. Movable Table (Fixed Light)