FlucsPro

Sophisticated tool for analysing combined artificial and natural light-levels for daylight harvesting

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Overview

  • Calculate number of electric light fittings required in a room
  • Quick early-stage analysis before testing in greater detail in RadianceIES
  • Significantly reduces time taken to to design and analyse lighting schemes
  • Investigate Indoor daylighting conditions & determine Daylight Factors & Light Levels
  • Detailed point-by-point simulations for both artificial & natural light
  • Compare against LEED, BREEAM, BB87 and other industry thresholds
  • Produce images of daylight levels, daylight factors and threshold analyses

> Technical Details

Resources

Related Training

  • FlucsPro

    Learn how to perform lighting design calculations to determine the number of luminaires required in a room.

Technical Details

FlucsPro offers two key lighting design and analysis functions

  • Performs lumen and glare design calculations to work out required electric light fittings based on user defined lighting conditions criteria
  • point-by-point analysis of light levels for artificial light, daylight or a combination of the two using a calculated or user defined luminaire layout

Both can be carried out for a room or group of rooms.

How it works

Lighting Design

  • Select the room or group of rooms to analyse
  • Set reflectance values for the room surfaces
  • Specify luminaires and lamps to use
  • Set your required design criteria (illumination level, working plane height etc.)
  • Include wall thickness as a margin correction value
  • Perform design calculations
  • Number/position of required fittings are automatically displayed and populated in the 3D model

Lighting Analysis

(from a FlusPro design calculation or use a scheme specified in LightPro)

  • Select the room or group of rooms to analyse
  • Set the reflectance values for the room surfaces
  • Include / exclude fitting information
  • Set the analysis options and perform point-by-point calculations
  • Review your results - either as Daylight Factor or Lighting Level values
  • Define the daylight threshold you want to test against if required

Data Entry Options

Lighting Design

  • Scope defined by selected room or group of rooms
  • Reflectance values defined for room surfaces
  • Specify required lighting conditions: illuminance, maintenance factor, optional limiting glare index
  • Working plane heights can be set
  • Optional constraints on layout can be set: snap to ceiling grid, max number of fittings, offsets / spacing limits (length, width or both)
  • Specify luminaires and lamps to use
  • Edit the provided database of lamps and luminaires using LightPro if required

Lighting Analysis

(from a FlusPro design calculation or use a scheme specified in LightPro)

  • Analysis scope defined by selected room or group of rooms
  • Reflectance values defined for room surfaces
  • Task areas can be defined within room surfaces or working planes
  • Working plane heights can be set
  • Calculation grid size can be adjusted
  • Include / exclude light fitting information

Analysis Options

Lighting Design

  • Lumen and glare calculations

Lighting Analysis

  • Artificial or natural lighting calculations, or both
  • User defined thresholds or benchmarks
  • Illuminance or Luminance
  • Horizontal, vertical or semi-cylindrical illuminance
  • Default daylight zenith luminance for a CIE standard overcast sky
  • Inter-reflection calculations can be turned on (choice of simple average value or full progressive radiosity) or turned off.
  • Option to break larger light fittings into smaller areas based on calculation grid size
  • Optional use of shading surfaces:adjacent buildings, topographical shades, local shades
  • Define the daylight threshold you want to test against if required

Free Navigator Capability

This innovative, easy to follow workflow covers the ‘daylighting’ analysis capability already available within FlucsPro.  It incorporates Quality Assurance (QA) and offers guidance on key functionality from set-up through to simulation; saving users valuable time, and promoting easy team collaboration and training.

Output Options

Lighting Design

Displays calculated luminaire arrays

  • Select one rectangular layout from a choice of viable options
  • Displays reasons why array fails the design calculations if applicable
  • Gives average lighting level and glare index for selected array
  • Number/position of required fittings are automatically displayed and populated in the 3D model

Lighting Analysis

Results are given for artificial lighting, daylighting or a combination of the two.  Display of artificial and daylight levels can be toggled independently – when both are on the default daylight zenith luminance is used for converting daylight factor to illuminance.

  • 3D model visualisation of Light Level plots
    • select rooms to display
    • select room surfaces, working planes and task areas to display
    • display as contour lines, false colour, threshold or as grey-shaded grid cells
    • Foot Candle or Lux options
  • 3D model visualisation of Daylight Factor plots
    • select rooms to display
    • select room surfaces, working planes and task areas to display
    • display as contour lines, false colour, threshold or as grey-shaded grid cells
  • Display of Light Levels and Daylight Factors can be toggled independently
  • Summary Table showing minimum, maximum and average levels, plus uniformity and diversity information
  • Threshold Table showing individual room threshold levels and building area-weighted % above threshold
  • Results easily exported, copied or printed for use in client reports