Illumination calculation at SAK Engineering Consultants

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ILLUMINATION CALCULATION USING A SOFTWARE AT SAK ENGINEERING CONSULTANTS -

JEDDAH

JONATHAN QUILLOPE INTAL

2003-47746

A REPORT SUMBITTED TO THE FACULTY OF THE

COLLEGE OF ENGINEERING AND AGRO-INDUSTRIAL TECHNOLOGY, UNIVERSITY OF THE PHILIPPINES LOS BANOS,

IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF

BACHELOR OF SCIENCE IN ELECTRICAL ENGINEERING

MARCH 2009

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vii

Biographical Sketch iii

Acknowledgement v

Table of Contents vii

List of Figures and Tables ix

I. Introduction 1

A. Description of the Study B. Significance of the Study C. Objectives

D. Scope and Limitations E. Date and Place of Study F. Company Profile

G. Training Activities

2 3 4 5 6 7 8

II. Review of Literature 12

A. Light

B. Electrical Lighting C. Luminous Intensity D. Solid Angle

E. Luminous Flux F. Illuminance G. Luminance

H. Luminous Efficiency I. Glare

J. Uniformity K. Reflection Factor L. Maintenance Factor M. Depreciation Factor N. Photometry

O. Louvers P. Light Sources Q. Ballast

R. Manual Calculations S. Utilization Factor T. Room Index

13 13 13 13 14 14 14 14 14 15 15 15 15 15 17 17 17 17 18 19

III. Study Methodology 20

IV. Discussion and Analysis 22

A. Factors in Designing a Lighting System A.1. Purpose of Lighting Design

24

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viii A.2. Choosing the Lamp A.3. Economical Aspect A.4. Environment

B. Calculation Using the Software B.1. The Room and It’s Parameters B.2. Selecting the Type of Lamp

B.3. Calculation of Number of Lightings and It’s Automatical Arrangement

C. Illuminance Values Results D. Distribution of Light

E. Rearranging the Lamps

24 25 25

27 27 29

32 35 39 41

V. Observations 46

VI. Conclusion 48

VII. Recommendations 51

Literature Cited 53

Appendixes 54

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ix

LIST OF FIGURES AND TABLES

Figure No. Description Page Number

1

Photometrical Data of a Light Source

16

2

Preview of the Design Process

23

3

Reflection factors of different colors

26

4

EasyplanExpress Logo

27

5

The room and its input parameters

27

6

L-shape rooms and its input parameters

28

7

Room tab inputs for the parameters

29

8

Database for illumination calculation

30

9

The 7296 236 luminaire product

30

10

The L 36/21 -840 PLUS lamp with a luminous flux of

3350

31

11

The L 36W/ 10-B lamp with a luminous flux of 1214

31

12

Calculation and input of number of lightings

32

13

Automatical arrangement configuration of luminaires

33

14

Automatical arrangement for L-shaped Rooms

34

15

Calculation grid for the results

35

16

Choosing the Data

36

17

Isolines of the illumination calculation values

37 18

Mountain View of the illumination calculation values

37 19

Gray Scale of the illumination calculation values

38

20

By Point Value calculation

38

21

3D Visualization of the illuminance values

39

22

Calculation of distribution of light

40 23 24

Minimum illuminance values at some parts of the room An arrangement which is not uniformly distributed

41

42

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x 25

26 27 28 29

An arrangement which is almost uniformly distributed Arrangement 2 out of the 18 arrangements Arrangement 1 out of the 18 arrangements

Isoline graph and values of arrangement 1 out of 18 arrangements

Maximum, minimum, and average values of illuminances for arrangement 1

43 44 44 45 45

Table 1 Table 2 Table 3

Utilization Factors of Product 7296 236 from SLC Maintenance factor according to environment

Reflection factors of different materials