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UNIVERSITY OF HONG KONG Faculty of Engineering M.Sc.(Eng) in Building Services MEBS 6002 Lighting Engineering All rights reserved 1 K. F. Chan (Mr.) MEBS6002 1 INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to create a lighting installation that provides both good task visibility and a satisfactory visual environment. K. F. Chan (Mr.) MEBS6002 2 GENERAL LIGHTING

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Page 1: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 1

K. F. Chan (Mr.) MEBS6002 1

INTERIOR LIGHTING DESIGN

The basic aim of good lighting design should be to create a lighting installation that provides both good task visibility and a satisfactory visual environment.

K. F. Chan (Mr.) MEBS6002 2

GENERAL LIGHTING

Page 2: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 2

K. F. Chan (Mr.) MEBS6002 3

GENERAL LIGHTINGGeneral lighting produced by a regular array of luminaires with or without an indirect components giving approximately uniform horizontal maintained illuminance all over the spaceFlexibleBlandEnergy consumingIn some situations luminaires with a special light distribution are preferred so that the light comes predominantly from one direction.

K. F. Chan (Mr.) MEBS6002 4

LOCALIZED LIGHTING

Page 3: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 3

K. F. Chan (Mr.) MEBS6002 5

LOCALIZED LIGHTING

Relating the light to the working zones.Maintained task illuminance at work stations, plus “spilled over” lower illuminance at circulation areasLess flexibleMore energy efficient but more difficult to designMaintenance can be more critical than general lighting

K. F. Chan (Mr.) MEBS6002 6

LOCALIZED LIGHTING

The average illuminance on the other areas should not be less than one-third of the average illuminance over the work areas.

Page 4: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 4

K. F. Chan (Mr.) MEBS6002 7

LOCAL LIGHTING

K. F. Chan (Mr.) MEBS6002 8

LOCAL LIGHTING

Task lighting provided by additional luminaires placed at small distance from visual task plus general lighting.Flexible.Energy efficient.More individual control.Expensive.Local lighting inevitable if there is need for accent lighting.

Page 5: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 5

K. F. Chan (Mr.) MEBS6002 9

LOCAL LIGHTING

General surround average illuminance should not be less than one-third of the average task illuminance.

K. F. Chan (Mr.) MEBS6002 10

MAINTAINED ILLUMINANCE

Page 6: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 6

K. F. Chan (Mr.) MEBS6002 11

K. F. Chan (Mr.) MEBS6002 12

ILLUMINANCES FOR CONSERVATION

150 00050Highly light-sensitive,

e.g. textiles, water colours, prints, drawings, skins, botanical specimens

600 000200Moderately light-sensitive,

e.g. oil or tempera paints, undyedleather, bone, ivory, horn, wood and lacquer.

No limitNot restrictedObjects insensitive to light,

e.g. metal, stone, glass, jewellery, enamel

Maximum cumulative

annual exposure (lux-hours)

Maximum illuminance

(lux)

Conservation category

Page 7: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 7

K. F. Chan (Mr.) MEBS6002 13

K. F. Chan (Mr.) MEBS6002 14

COLOUR TEMPERATURE

Page 8: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 8

K. F. Chan (Mr.) MEBS6002 15

K. F. Chan (Mr.) MEBS6002 16

Page 9: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 9

K. F. Chan (Mr.) MEBS6002 17

K. F. Chan (Mr.) MEBS6002 18

Tungsten GLS

Page 10: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 10

K. F. Chan (Mr.) MEBS6002 19

Fluorescent halo-phosphate

K. F. Chan (Mr.) MEBS6002 20

Fluorescent halo-phosphate

Page 11: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 11

K. F. Chan (Mr.) MEBS6002 21

Fluorescent triphosphor

K. F. Chan (Mr.) MEBS6002 22

Fluorescent triphosphor

Page 12: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 12

K. F. Chan (Mr.) MEBS6002 23

Multi-band phosphor fluorescent

K. F. Chan (Mr.) MEBS6002 24

SOX

Page 13: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 13

K. F. Chan (Mr.) MEBS6002 25

SON

K. F. Chan (Mr.) MEBS6002 26

MBF

Page 14: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 14

K. F. Chan (Mr.) MEBS6002 27

COLOUR TEMPERATURE

Group 1 warm lamps for relaxation spaces less than 300 luxGroup 2 intermediate lamps for blending with daylightGroup 3 cool lamps for working interiors with high illuminance level

K. F. Chan (Mr.) MEBS6002 28

COLOUR RENDERING

Page 15: 5 Interior Lighting Design a - University of Hong Kongwork6002/5 Interior Lighting... · 2010-03-05 · INTERIOR LIGHTING DESIGN The basic aim of good lighting design should be to

UNIVERSITY OF HONG KONGFaculty of Engineering

M.Sc.(Eng) in Building ServicesMEBS 6002 Lighting Engineering

All rights reserved 15

K. F. Chan (Mr.) MEBS6002 29