Room cavity ratio (RCR)

Room cavity ratio (RCR)

A shape factor (for a room, etc.) used in lighting calculations. RCR = 5H (L+W) / L x W, or, alternately; RCR = (2.5) Total Wall Area / Floor Area; Where H = height, L = length and W = width of the room; A cubical room will have an RCR of 10; the flatter the room the lower the RCR.

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Part of Speech: noun
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Industry/Domain: Lights & lighting
Category: Lighting products
Company: GE
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