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How Architectural Engineers Impact Building Energy Use Lighting, Controls and Energy Savings
Subtractive color mixing Paint or Ink Additive color mixing LIGHT!
Light Source Technology Did you know? Sunlight has all colors of the rainbow and appears WHITE
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
Light Source Technology Electric Light Bulb LAMP Filament Socket
Light Source Technology Incandescent Light
Light Source Technology Fluorescent Light Bulb Wall Phosphor UV Mercury Electricity Visible Light
Light Source Technology Compact Fluorescent Lamps (CFLs)
Light Source Technology Fluorescent Ballast
Light Source Technology Light-Emitting Diodes (LEDs)
Lighting Controls Power vs. Energy Energy Used
Lighting Controls Saving Energy through Occupancy Controls Energy Used Energy Saved Unoccupied
Lighting Controls Passive Infrared (PIR) Occupancy Sensors
Lighting Controls Ultrasonic Occupancy Sensors
Lighting Controls Daylighting
Lighting Controls Photocell
LED Lights vs. Incandescent Lights vs. CFLs. What are LEDS ? LEDs, or light–emitting diodes, are semiconductor devices that produce visible light when.
Earth’s Changing Environment Lecture 17 Lighting Efficiency.
The electrons within atoms are the sources of all light.
Technology that Produces Light 1. Incandescence – when objects are heated enough, they glow. Ex. Incandescent Light Bulbs – electricity heats up metal.
Housing Decisions Functions of lighting – p Natural light Artificial light – p –Incandescent –Fluorescent –Compact fluorescent –Fiber.
Types of Light Bulbs and Their Uses. Bulbs There are many different types of light bulbs around, and they were all designed with a certain use in mind.
EGEE 102 – Energy Conservation And Environmental Protection Energy Efficient Lighting.
What is light?. Light Visible light is a form of energy that can be detected by cells in our eyes. Visible light is a form of energy that can be detected.
TERM 2 SCIENCE ACE DONE BY: HOON TIAN JUN, TERRENCE LEDs VS Energy-saving Light Bulbs.
Spectroscopy Involves examining __________ from objects (like stars) to determine what they are made of Can use a ___________-instrument that breaks up.
Color in Light Illumination. Types of Light Incandescent Light (white light): “the illumination resulting from the glowing of a heated filament”
Color. COLOR The Color Spectrum Sun light is an example of white light. When passed through a prism, it gives the above colors. Under white light, white.
If a substance emits a different color of light than it absorbs, that is called Fluorescence Quantum dots in solution fluoresce under UV light at different.
Why Does an Apple Look Red? Title your paper, and record each of your observations.
Reflectance Spectroscopy Lab. Different colors correspond to different wavelengths of visible light 665 nm 630 nm 600 nm 550 nm 470 nm 425 nm 400 nm.
Producing Visible Light EQ: How is visible light produced?
LED Bulbs vs. CFL Bulbs vs. Incandescent Bulbs.
Types of Light Emissions Luminous: an object that emits/produces its own light (eg. sun) Non-luminous: an object that do not produce its own light and.
Visible Light Visible light is the light that our eyes can detect.
INTRODUCTION TO LIGHT. REVIEW We can see our surroundings because light bounces off of objects and into our eyes.
Energy Efficiency of Lighting Amy Hinkel & Byanca Moreno.
Mr. Fleming. D. 5 Explain how electricity is used to produce heat and light in incandescent bulbs and heating elements.
ILLUMINATION. Requirements of Good lighting 1)Illumination level 2)Absence of Glare 3)Contrast 4)Shadows 5)Colour rendering EEE Dept./SJCET.
HOUSING DECISIONS pages How are these mounted? Which way do they direct light? Valance lighting Bracket lighting Cornice lighting Cove lighting.
SOURCES OF LIGHT. luminous object: something that produces its own light The Moon is bright only because it reflects the Sun's light. Therefore, the Moon.
IP Introduction © Oxford University Press 2011 Introduction.
What is Light?. Light is Energy you can see. The sun as all stars, is a source of Natural Light.
Light Chapter 12. Light and Matter Objects can absorb, reflect, or transmit light Depends on what material the object is made up of Typically, “shiny”
Discharge Lamps 1 Discharge Lamps Chapter 14 part2 1020C.
Light is critical to our everyday lives; It helps us understand the world we live in. How would your life be without light?
HOUSING DECISIONS p How are these mounted? Which way do they direct light? Valance lighting Bracket lighting Cornice lighting Cove lighting Recessed.
Color. What is Color? The color of an object is produced by light frequencies that are emitted or reflected off of objects and perceived by our eyes.
E-M Spectrum and Waves Prentice Hall Chapter 18. Chapter Assignments Workbook and E-M Spectrum Activity Book Section 18.1: 535/math practice 1-3 and 538/9,10.
Science 8 Unit C Section 3.0 Light is part of the electromagnetic spectrum and travels in waves.
Optics Light and Applications of Optics. Producing Light (p.278) Luminous objects, such as our Sun, produce their own light Non-luminous objects, such.
Color Chapter —28.4 Notes. The Color Spectrum Isaac Newton was the first to make a systematic study of color By passing sunlight through a glass.
Lighting for smart home. Light bulb Heating the wolframfilam ent with current so much it starts to glow. Light bulbs lifetime is about h.
C O L O R S PRINT VS MULTIMEDIA. Main Difference Print –Primary Colors CMYK Cyan, Magenta, Yellow, Black - Subtractive Color system –Add together = black.
Presented by FSC. What is Induction? A hybrid fluorescent lamp technology first introduced in 1891 that eliminates the need for electrode and filaments.
Producing Visible Light. Light produced by the Sun or other stars is called NATURAL light. Light produced through human technology is called ARTIFICIAL.
Light Coach Dave Edinger J. C. Booth Middle School Physical Science (8A)
Light Emitting Diode By Rabail Faizan.. What is a LED? A light-emitting diode (LED) is a semiconductor light source. LEDs are used as indicator lamps.
KeiErica Perry & LeAmbreya Long. The colors around you are due to the way the objects reflect light Different materials have different natural frequencies.
Lighting. Types of Lighting Natural light: Light that is emitted from electrical or chemical reactions that occur in nature Eg. Sunlight, Moonlight Artificial.
Team 10 Device Comparison: Incandescent vs. Fluorescent Light.
Must Be Closed To Allow Electricity Flow; When Circuit Is Open No Electricity Flow CIRCUIT.
Color. Visible Light Spectrum 700 nm 400 nm Primary Colors What are the primary colors? Red Are you sure? Blue Green.
Color and Vision Key Question: How do we see color?
Light and Color Chapters 27 – 28 Created by N. Ferreira with the help of A, Kirby.
Fluorescent Lamps. Question: A fluorescent lamp tube is coated with a white powder on its inside surface. If that powder were not there, would the lamp.
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