Lighting, Controls and Energy Savings · Lighting Controls . Passive Infrared (PIR) Occupancy...

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How Architectural Engineers Impact Building Energy Use Lighting, Controls and Energy Savings TeachEngineering.org – Free STEM Curriculum for K-12

Transcript of Lighting, Controls and Energy Savings · Lighting Controls . Passive Infrared (PIR) Occupancy...

How Architectural Engineers Impact Building Energy Use

Lighting, Controls and Energy Savings

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Visible Light

Subtractive color mixing Paint or Ink

Additive color mixing LIGHT!

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Light Source Technology

Did you know? Sunlight has all colors of the rainbow and appears WHITE

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Visible Light

Reflected light is what we “SEE”

The RED apple is red because it absorbs all light except RED

The GREEN apple is green because it absorbs all light except GREEN

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Light Source Technology

Electric Light Bulb

LAMP

Filament

Socket

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Light Source Technology

Incandescent Light

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Light Source Technology

Fluorescent Light

Bulb Wall

Phosphor

UV

Mercury

Electricity

Visible Light

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Light Source Technology

Compact Fluorescent Lamps (CFLs)

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Light Source Technology Fluorescent Ballast

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Light Source Technology

Light-Emitting Diodes (LEDs)

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Lighting Controls

Power vs. Energy

Energy Used

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Lighting Controls Saving Energy through Occupancy Controls

Energy Used

Energy Saved

Unoccupied

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Lighting Controls Passive Infrared (PIR) Occupancy Sensors

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Lighting Controls Ultrasonic Occupancy Sensors

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Lighting Controls Daylighting

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Lighting Controls

Photocell

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