The Lumen What it's for, and what it's not

Wendy Luedtke; Lome Whitehead; Dorukalp Durmus

The Lumen What it's for, and what it's not

Wendy Luedtke, Lome Whitehead, Dorukalp Durmus

Architectural Engineering

Research output: Contribution to specialist publication › Article

Abstract

One can generally see fine with enough illuminance, which is the luminous flux (unit: lumen) per area. The unit of illuminance is lux if the area is measured in sq meters, and footcandles (fc) if sq ft are used. Setting aside other aspects of the lit environment for the moment, a normally-sighted person can see very well over a very wide range of illuminance values. (For example this is often about 10,000 fc outdoors and about 50 fc in offices).

Original language	English (US)
Pages	24-26
Number of pages	3
Volume	53
No	4
Specialist publication	Lighting Design and Application: LD and A
State	Published - Apr 2023

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

Cite this

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abstract = "One can generally see fine with enough illuminance, which is the luminous flux (unit: lumen) per area. The unit of illuminance is lux if the area is measured in sq meters, and footcandles (fc) if sq ft are used. Setting aside other aspects of the lit environment for the moment, a normally-sighted person can see very well over a very wide range of illuminance values. (For example this is often about 10,000 fc outdoors and about 50 fc in offices).",

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The Lumen What it's for, and what it's not

Abstract

All Science Journal Classification (ASJC) codes

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