2/9/2009

1

LIGHTING FUNDAMENTALS

QUANTITY OF LIGHT

LUMENS

FOOTCANDLES

ILLUMINANCE

LUMINANCE

EFFICACY

APPEARANCE OF LIGHT

COLOR TEMPERATURE

COLOR RENDERING

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

LIGHTING FUNDAMENTALS

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

2/9/2009

2

LIGHTING FUNDAMENTALS

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

LIGHTING FUNDAMENTALS

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

2/9/2009

3

LIGHTING FUNDAMENTALS

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

LUMENS

ILLUMINANCE(FOOTCANDLES)

LUMINANCE(REFLECTED LIGHT)

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

2/9/2009

4

LIGHTING FUNDAMENTALS

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

LIGHTING FUNDAMENTALS

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

2/9/2009

5

LIGHTING FUNDAMENTALS

270

0K

29

00

K

30

00

K

35

00

K

410

0K

60

00

K

42

00

K

INC

AN

DE

SC

EN

T

30

00

KF

LU

OR

ES

CE

NT

35

00

KF

LU

OR

ES

CE

NT

410

0K

FL

UO

RE

SC

EN

T

CO

OL

WH

ITE

NO

ON

DA

YLI

GH

T

LO

WVO

LTA

GE

HA

LOG

EN

WARM COOL

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

LIGHTING FUNDAMENTALS

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

2/9/2009

6

LIGHTING FUNDAMENTALS

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

LIGHTING FUNDAMENTALS

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

2/9/2009

7

LIGHTING FUNDAMENTALS

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

LIGHTING FUNDAMENTALS

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

2/9/2009

8

Distribution

LIGHTING FUNDAMENTALS

Direct Indirect Indirect /Direct

Diffuse(general)

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

INCANDESCENT / HALOGEN LAMPS

BT (bulged tubular) Halogen

Moderate to Buy

Easy to Dim

Non-directional

Moderate Efficacy

Moderate Lamp Life

R (reflector) Incandescent

Cheap to Buy

Easy to Dim

Semi-directional

Low Efficacy

Short Lamp Life

A (arbitrary) Incandescent

Cheap to Buy

Easy to Dim

Non-directional

Low Efficacy

Short Lamp Life

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

2/9/2009

9

INCANDESCENT / HALOGEN LAMPSBR (bulged reflector) Incandescent

Cheap to Buy

Easy to Dim

Semi-directional

Low Efficacy

Short Lamp Life

PAR (parabolic alum. reflector) Halogen

Moderate to Buy

Easy to Dim

Directional

Moderate Efficacy

Moderate Lamp Life

MR (mirrored reflector) Halogen

Moderate to Buy

Easy to Dim

Directional

Moderate Efficacy

Mod/High Lamp Life

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

COMPACT FLUORESCENT LAMPSSelf-Ballasted CFL Fluorescent

Moderate to Buy

Usually Non-dim

Non-directional

High Efficacy

Long Lamp Life

Dedicated CFL Fluorescent

Moderate to Buy

Dim w/ ballast

Non-directional

High Efficacy

Long Lamp Life

Reflectorized CFL Fluorescent

Moderate to Buy

Usually Non-dim

Semi-Directional

High Efficacy

Long Lamp Life

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners

2/9/2009

10

Lighting Design Thought Process

1. What am I trying to do?

2. How am I going to do it?

3. What lamp will do what I need it to do?

4. What fixture takes that lamp?

2009 Better Buildings By Design ConferenceLighting Fundamentals for Beginners