IE_Lecture11-ed

IE_Lecture11-ed - Lecture 11 Industrial Ergonomics (ENGR...

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Lecture 11 Industrial Ergonomics (ENGR 3460U) Work Environment Design lumination and Vision Illumination and Vision structor: Dr Ahmad Barari Instructor: Dr. Ahmad Barari Barari- ENGR 3460U 1
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Ch. 6 - Work Environment Design Barari- ENGR 3460U 2
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Barari- ENGR 3460U 3
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Barari- ENGR 3460U 4
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Barari- ENGR 3460U 5
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easurement of Light Measurement of Light • Candle (cd) Barari- ENGR 3460U 6
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easurement of Light- luminance Measurement of Light Illuminance • Illumination (fc) = cd/d 2 Barari- ENGR 3460U 7
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easurement of Light- uminance Measurement of Light Luminance • Absorbed , Reflected, Transmitted Light uminance (fL) Luminance (fL) = ill (fc) x reflect Barari- ENGR 3460U 8
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eflectance Reflectance • Reflectance = 0.9 x test-lum white-lum Barari- ENGR 3460U 9
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isibility Visibility • Visual Angle • Contrast uminance Luminance Barari- ENGR 3460U 10
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isual Acuity Visual Acuity isual angle (arc min) = 3438 H/D Visual angle (arc min) 3438 H/D • 20/20 (Normal) 0/40 20/40 • 20/200 (Legally blind) Barari- ENGR 3460U 11
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This note was uploaded on 10/18/2010 for the course ENGR 3360 taught by Professor Ahmadbarari during the Fall '10 term at UOIT.

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IE_Lecture11-ed - Lecture 11 Industrial Ergonomics (ENGR...

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