Incandescent lighting

1,631 views

Published on

0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
1,631
On SlideShare
0
From Embeds
0
Number of Embeds
2
Actions
Shares
0
Downloads
44
Comments
0
Likes
1
Embeds 0
No embeds

No notes for slide

Incandescent lighting

  1. 1. The Incandescent Light Bulb Not such a bright idea anymore
  2. 2. <ul><li>Invented by Humphry Davy </li></ul><ul><li>1802 in Great Britain </li></ul>
  3. 3. <ul><li>First practical lamp by Edison </li></ul><ul><li>1879 in America </li></ul>
  4. 4. <ul><li>Edison’s Bulb </li></ul><ul><li>Incandescent in Nature </li></ul><ul><li>Became popular early 1900’s </li></ul>
  5. 5. <ul><li>Human Factors Goals </li></ul><ul><li>Increase Safety </li></ul><ul><li>Enhance Performance </li></ul><ul><li>Increase User Satisfaction </li></ul>
  6. 6. <ul><li>Safety </li></ul><ul><li>Can cause burns </li></ul><ul><li>Can cause fires </li></ul>
  7. 7. <ul><li>Performance </li></ul><ul><li>90% Energy = Heat Output </li></ul><ul><li>Only 10% is converted to usable light </li></ul>
  8. 8. <ul><li>User Satisfaction </li></ul><ul><li>Much less efficient than alternatives </li></ul><ul><li>Usually appear yellowish </li></ul>
  9. 9. <ul><li>Why do we still buy these? </li></ul>
  10. 10. <ul><li>Set Effect. </li></ul>
  11. 11. <ul><li>Less efficiency </li></ul><ul><li>+ </li></ul><ul><li>Cheaper initial cost </li></ul><ul><li>= </li></ul><ul><li>Popularity </li></ul>
  12. 12. <ul><li>Less efficiency </li></ul><ul><li>+ </li></ul><ul><li>Cheaper initial cost </li></ul><ul><li>= </li></ul><ul><li>Logical Answer </li></ul>
  13. 13. <ul><li>Fluorescent Lighting Alternative </li></ul>
  14. 14. <ul><li>Fluorescent Bulb Alternative </li></ul>-100 watt output comparison- 80.3 Lbs CO2 365 Lbs CO2 Environmental Cost $3.17 $14.65 4 Hour/Day cost/year $0.28 $1.46 Annual Cost Per Bulb $2.89 $13.19 Electric Cost Per Year $4.00 $0.75 Per Unit Cost Less than 1 11 Bulbs Per Year 10,000 Hours 750 Hours Lifetime 75% Light | 25% Heat 90% Light | 10% Heat Light vs. Heat 22 Watt Compact Fluorescent 100 Watt Incandescent
  15. 15. <ul><li>Fluorescent Bulb Alternative </li></ul>$3.17 $14.65 4 Hour/Day cost/year $2.89 $13.19 Electric Cost Per Year Less than 1 11 Bulbs Per Year 10,000 Hours 750 Hours Lifetime 22 Watt Compact Fluorescent 100 Watt Incandescent
  16. 16. <ul><li>Energy Star Rated Bulbs </li></ul><ul><li>Consume 75% Less Energy </li></ul><ul><li>Last 10x Longer </li></ul><ul><li>Safer </li></ul>
  17. 17. <ul><li>Lesser Known Alternative </li></ul>LED Lighting (Light-Emitting Diodes)
  18. 18. <ul><li>Lesser Known Alternative </li></ul>Common Uses Flashlights Desk Lamps Indicator Lights
  19. 19. <ul><li>Lesser Known Alternative </li></ul>Pros Very cheap to power Produce almost no heat Color changing models
  20. 20. <ul><li>Lesser Known Alternative </li></ul>Cons About $35 for a bulb
  21. 21. <ul><li>Lesser Known Alternative </li></ul>As costs fall these will become the standard
  22. 22. <ul><li>Light Bulb Selection? </li></ul><ul><li>Less choice = quicker decision making </li></ul><ul><li>Long term thinking and logic are necessary </li></ul>
  23. 23. <ul><li>Light Bulb Selection? </li></ul><ul><li>Decision Complexity = Low </li></ul>
  24. 24. <ul><li>Light Bulb Selection? </li></ul><ul><li>Incandescent Light Bulb Ban </li></ul>
  25. 25. <ul><li>Light Bulb Selection? </li></ul><ul><li>Will be phased out in California by 2018 due to usage costs </li></ul><ul><li>Government buildings in CA will be converted to fluorescent lighting within 3 years </li></ul>
  26. 26. <ul><li>Light Bulb Selection? </li></ul><ul><li>Brazil & Venezuela at forefront to phase them out in 2005 </li></ul><ul><li>In Australia incandescent lighting will be banned by 2010 </li></ul><ul><li>European union proposed a ban on manufacturing new incandescent bulbs </li></ul>
  27. 27. <ul><li>So how does this affect you? </li></ul><ul><li>If you buy compact fluorescent bulbs </li></ul><ul><li>(preferably the eco-friendly kind) </li></ul><ul><li>Then you will </li></ul><ul><li>Save money </li></ul><ul><li>Have whiter light </li></ul><ul><li>Not get burned if you fall on one </li></ul>
  28. 28. Questions?

×