Lab 3 Introduction to Dialux
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Centennial College
ELETRICAL ENGINEERING TECHNOLOGY
Course: EET 314 Lighting Design Technology
N
Name (Please Print): __
Vraj Patel
___________________________
Student Number:
__
301220791
________________________
Date:
__
September 26, 2023
_____________
Lab # 3
Title: Introduction to Dailux (Lighting Simulation Software)
1. OBJECTIVE
Learn how to design a lighting layout for a simple rectangular room
Learn how to export lighting report to PDF file
2.
MATERIALS REQUIRED
Computer with requirements as shown:
o
CPU with SSE2-support 4 GB RAM (min. 2GB), OpenGL 3.2
graphics card (1 GB RAM), Windows 7/8.1/10 (32/64 bit),
Resolution min. 1024 x 768 px
o
Windows 7 · Windows 8.1
· Windows 10
DIALux evo Software
(Available for download:
https://www.dialux.com/en-GB/download
)
3.
INSTRUCTIONS
1.
Go to eCentennial and download the IES file for the ZL1N L48 luminaire.
Save the file on the desktop.
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v
2.
Open DIALux evo software. Before starting a project go to
File>Settings>General settings and change Length Units and Photometric
Units to Imperial System in Language Settings
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3.
Go back to the Start menu and select Simple indoor planning.
4.
Input Update all of the information in the Room construction panel. Include
Name/Description of room, size of room (40 ft L, 22 ft W, 12.4 ft H), Working
plane height (3.1 ft) and Light loss factor 0.9.
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5.
Click on the Materials icon on the left side of the screen. Set reflection to the
following levels: Ceiling 80%, Walls 80% and floor 30% and apply them to the
surfaces. Leave the Material and Color categories as they are. Click Next.
6.
Click on the “Light” icon in the horizontal menu bar. Then click on
Luminaires>Import luminaire files. Open the .ies file that you downloaded
from eCentennial (ZL1N_L48_5000LM_FST_MVOLT_40K_90_CRI.ies)
7.
Click on “Automatic arrangements for space”. Then in the Grid arrangement
panel, adjust the number of luminaires: X = 6, Y = 3 and click on “Rotate
elements 90° clockwise”. Change mounting height to 9.6 ft.
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8.
Once you have properly arranged all of the luminaires, you can start the
lighting calculation. To do this click on the “Start calculation” icon in the
horizontal menu bar.
9.
Dialux will map illuminance points on the plan drawing and show the light
distribution. To switch to 3D view, click on the green cube icon. In this mode
you can rotate the view on two axis. Click and hold left mouse button to
rotate. Click and hold scroll wheel to pan.
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10. Now In the drop-down menu in the top right corner of the screen click on
“Building and outdoor planning”
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11. You can now add room objects such as tables and chairs. To add objects click
on Construction>Furniture and objects>Select>Catalogs>Object catalog.
Once in the catalog, choose 180x80 standard table.
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12. To place table choose “Place individual object” then modify the size 6 ft x 2.5
ft x 3.1 ft height. Click on the middle of the room t place table.
13. Make a copy of the table by selecting the table and typing CTRL+ C. Paste
the new table next to the original. Repeat this step unit you have two rows of
four as shown on the images below. Make one more table on the end (5.3 ft x
2.3 ft x 3.1 ft height).
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14. You can add additional objects by clicking on Objects>Cube to simulate other
objects in the room. Place individual object and set Size to 3 ft x 2 ft x 6 ft
height. Make four copies spaced along the two walls lengthwise.
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15. Once you have placed the objects in the room re-calculate and click on
Documentation to generate a report. Select room on the list (B1-15) then
Save as.. to save a PDF version of the report.
16.
Submit this photometric report along with your answers to the questions in
this lab report. Upload both documents to the assignment folder on
eCentennial
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4.
QUESTIONS
1.
According to your report, what is the average, minimum and maximum
illuminance value of the workplane for your layout?
The average, minimum, and maximum illuminance are 75.4 fc, 48.7 fc, and
86.6 fc respectively.
2.
According to the report, is the illuminance level in the simulation roughly
uniform throughout the space? Does the design satisfy the manufacturers
spacing criterion? Show this using numerical values.
The design meets the manufacturer’s spacing criteria, and the simulation’s
illuminance level is reasonably consistent throughout the space, according to
the report.
3.
If you were to calculate by hand the average illuminance for the same number
of luminaires used in this simulation, would you expect similar results?
Explain.
No, I would get different calculations because manually calculating
illuminance can lead to undesirable errors like measured heights aren’t the
same, and objects in the room weren’t accounted for in calculations.
4.
What are some of the physical factors of the room that determine how much
light actually reaches the working plane?
Obstacles in the room are some of the physical aspects of the space that
affect how much light reaches the working surface. For example, in room B1-
15, we have other things apart from tables. The amount of light that reaches
the working plane is influenced by chairs and computers. Ceiling height is yet
another tangible element.
5.
Why do we design our layout with a Light Loss Factor less than 1? What
factors affect our LLF?
To create a lighting system that also considers light losses caused by the
physical deterioration of the light bulb over time, we must ensure that our
scheme has a light loss factor of less than 1. Age and the usage of older light
bulbs, which emit fewer lumens with time and lower the LLF, are among the
factors that may have an impact.
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LAB MARK
QUESTIONS
PDF
TOTAL MARK
5
10
5
20
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