Artificial Lighting Design

Artificial lighting design involves the selection and positioning of artificial light sources to provide adequate and appropriate illumination within a space. The goal of artificial lighting design is to create a comfortable and functional environment that meets the visual needs of occupants while minimizing energy consumption and operating costs.

Artificial lighting may have to be provided,

1. where the recommended illumination levels have to be obtained by artificial lighting only
2. to supplement daylighting when the level of illumination falls below the recommended value
3. where visual task may demand a higher level of illumination

The design process typically involves a number of steps, including:

1. Determining the lighting requirements: This involves identifying the tasks that will be performed in the space, the visual needs of occupants, and any regulatory requirements that must be met.
2. Selecting the appropriate light sources: This involves selecting light sources that are appropriate for the space, taking into account factors such as color temperature, color rendering index, and energy efficiency.
3. Choosing lighting fixtures: This involves selecting fixtures that are appropriate for the space, taking into account factors such as size, shape, and style.
   • Selection of lamps, which influence the lighting level, colour characteristics and efficiency of the lighting system;
   • Selection of luminaires affect the efficiency with which the light is distributed and so affect lighting efficiency and uniformity
4. Design of the lighting system: ighting systems are designed to achieve a reasonably uniform distribution of light on a particular plane (usually horizontal), avoidance of glare with a minimum expenditure of energy. The most rudimentary form of lighting design is done using a manual calculation – the lumen method. However lighting design is increasingly done by computer.
5. Positioning light sources and fixtures: This involves determining the optimal placement of light sources and fixtures to provide uniform illumination throughout the space and minimize glare.
6. Incorporating lighting controls: This involves incorporating lighting controls such as dimmers, occupancy sensors, and daylight sensors to minimize energy consumption and operating costs.
   • once a lighting system has been designed it can be controlled in such a way as to make maximum use of available daylight, through selection of appropriate switching mechanisms and daylight responsive controls.
7. Verifying and adjusting the lighting design: This involves testing the lighting design to ensure that it meets the requirements of the space, making adjustments as necessary.

Artificial lighting design is a complex process that requires knowledge of lighting technology, human visual perception, and building codes and regulations. Lighting designers and engineers work closely with architects, interior designers, and other building professionals to ensure that lighting design is integrated seamlessly into the overall building design.

Illumination in architecture – home page

FD Architect Community Forum Discussion

• Illumination – introduction
• Basic Terminology and Definitions
• Laws of Illumination The Inverse Square Law of Illuminance Illuminance (E) at any poi
• Laws of Reflection and Refraction
• Visual efficiency & comfort
• Day lighting
• Components of Daylight Factor
• Artificial Lighting Design

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