A new direction for general lighting practice

Cuttle, Christopher

doi:10.1177/1477153512469201

Cited by 78 publications

(89 citation statements)

References 6 publications

(5 reference statements)

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“…The first applies calculation grids to each surface in the space and calculates a mean exitance value for it, as given in equation (4). The second processes the results to produce the MRSE, as given in equation (5 4. To produce the MRSE, within the command line type total -m tmp_X/all.res.…”

Section: Methodsmentioning

confidence: 99%

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On the calculation and measurement of mean room surface exitance

Duff¹,

Antonutto

Torres

2015

Lighting Research & Technology

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Cuttle has proposed mean room surface exitance as a metric for use within interior lighting design. Two reported barriers to its use are; a lack of available software to calculate the metric and the tedious and cumbersome nature of recording its values in the field using current equipment and methodologies. This paper presents a method for facilitating the calculation of mean room surface exitance using readily available freeware, namely Radiance, and also presents a methodology that utilises high dynamic range imaging as a pragmatic alternative for field measurement.

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Section: Methodsmentioning

confidence: 99%

“…[1][2][3][4][5][6][7] Central to Cuttle's proposal is the use of mean room surface exitance (MRSE), this being a measure of overall density of reflected luminous flux within a space. Through a thought experiment, 3 Cuttle defines MRSE as:…”

Section: Introductionmentioning

confidence: 99%

On the calculation and measurement of mean room surface exitance

Duff¹,

Antonutto

Torres

2015

Lighting Research & Technology

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“…The IEQ criteria for lighting are based on the assumption that light levels on a working plane should be maximised. The scientific basis for these is contentious and the evidence for a more varied environment where control is achieved by occupant adaptation is growing [25,29,30].…”

Section: Implications Of Ieq Criteria On Building Designmentioning

confidence: 99%

“…Furthermore, using the level of light on a working plane is not a representative measure with which to assess appearance since perception of lighting is based on the light that "exits" all surfaces in a room (luminence) rather than the light level that "arrives" at a certain point in a room (illuminance). This research is then extended into clear methods of evaluating and prescribing lighting appearance [25].…”

Section: Ieq Indicators For a Visual Environmentmentioning

confidence: 99%

The Productivity Paradox in Green Buildings

Byrd

Rasheed

2016

Sustainability

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Abstract:In this paper we challenge the notion that "green" buildings can achieve greater productivity than buildings that are not accredited as "green". For nearly two decades, research has produced apparent evidence which indicates that the design of a "green" building can enhance the productivity of its occupants. This relationship between building design and productivity is claimed to be achieved through compliance with internal environmental quality (IEQ) criteria of Green rating tools. This paper reviews methods of measuring productivity and the appropriateness of the metrics used for measuring IEQ in office environments. This review is supported by the results of a survey of office building users which identifies social factors to be significantly more important than environmental factors in trying to correlate productivity and IEQ. It also presents the findings of observations that were discretely carried out on user-response in green buildings. These findings demonstrate that, despite a building's compliance with IEQ criteria, occupants still resort to exceptional measures to alter their working environment in a bid to achieve comfort. The work has been carried out on "green" buildings in New Zealand. These buildings are rated based on the NZ "Green Star" system which has adopted the Australian "green star" system with its roots in BREEAM. Despite this, the results of this research are applicable to many other "green" rating systems. The paper concludes that methods of measuring productivity are flawed, that IEQ criteria for building design is unrepresentative of how occupants perceive the environment and that this can lead to an architecture that has few of the inherent characteristics of good environmental design.

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“…Simply following them will not produce good quality lighting. Boyce [12] explores methods which may bridge the gap between indifferent and good quality lighting such as proposals by Cuttle [13][14][15][16][17][18][19] and proposes that if none of these are accepted and adopted in the future, then good quality lighting will only be available to those who can afford the services of a creative, experienced and talented lighting designer.…”

Section: Limitations Of Standardsmentioning

confidence: 99%

Lighting Design in Europe: Aligning the Demands for Lower Energy Usage with Better Quality

Kelly¹,

Duff²

2015

JCEA

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Lighting design is one of the fastest changing areas in building engineering. It has evolved significantly in recent years due to changing technology and demands for improved quality, better control, reduced energy and sustainability. This paper is an overview of what is happening in Europe and elsewhere and examines the literature to find that latest recommendations in the Code for Lighting issued by the SLL (Society of Light and Lighting) in the UK change previous demands for equal illuminance across a working plane to more specific and demanding criteria. There are recommendations for qualitative metrics and better distribution of light so as to enhance the visual appearance of interiors. European standards are also examined and the LENI (lighting energy numerical indicator) has been found to be a better way of reducing energy than installed load. New LED (light-emitting diode) lamp technology is examined and daylight is discussed in the context of these changing demands. It is found that lighting standards and design are changing for the better but that standards will need to evolve further if they are to ensure good quality lighting.

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A new direction for general lighting practice

Cited by 78 publications

References 6 publications

On the calculation and measurement of mean room surface exitance

On the calculation and measurement of mean room surface exitance

The Productivity Paradox in Green Buildings

Lighting Design in Europe: Aligning the Demands for Lower Energy Usage with Better Quality

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