Fundamentals of lighting design

July 9th, 2014, Published in Articles: Vector

 

A basic guide to lighting and lighting design explaining variables such as working plane, mounting height; depreciation factors; coefficient of utilisation and reflectance factors.

The following basic design concepts should generally be considered when designing a lighting solution for either indoor or outdoor applications:

  • Whether the lighting will be installed in a safe or hazardous area.
  • The required illumination level for the tasks to be performed in the area.
  • The working plane level at which the recommended lux level is to be achieved.
  • Types of lamp to be used and their lumen outputs.
  • Mounting height available.
  • Uniformity of illumination to be achieved.
  • The colour rendition required for the task to be performed in the area.
Fig. 1: Working plane and mounting heights.

Fig. 1: Working plane and mounting heights.

Closed vs. open areas

The amount of protection required for the luminaires against factors such as weather, corrosion or water or dust ingress depends on whether the lighting installation is done indoors or outdoors. It is not advisable to use indoor luminaires where there are no side walls but only a roof at the installation (… more)

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