A Review of Daylighting Strategies in Schools: State of the Art and Expected Future Trends

Costanzo, Vincenzo; Evola, Gianpiero; Marletta, Luigi

doi:10.3390/buildings7020041

Cited by 55 publications

(28 citation statements)

References 51 publications

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“…UDI is defined as the fraction of time in a year when the indoor horizontal daylight illuminance at a given point falls within a given threshold (Mardaljevic and Nabil, 2005). In studies related to schools, the lower UDI threshold is set to 300 lux, which is in line coherently with international recommended standards (Costanzo, Evola, & Marletta, 2017). In this study, the UDI threshold is set to >300-<2000 lux.…”

Section: Literature Review Daylight Sensors In Classroomssupporting

confidence: 53%

Measuring the Daylight Performance of Classrooms: Can a One Point Sensor Measurement Predict the Daylight Distribution within a Space?

Ackley¹,

Donn²,

Thomas³

2020

Preprint

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The New Zealand Ministry of Education (MoE) has begun measuring the light, temperature, noise and CO2 level of 21 selected schools using a single sensor. This sensor is being developed as a method for routine measurement in order to understand the performance of New Zealand's school buildings. This study used a Climate Based Daylight Modelling to appraise the MoE methodology, to determine what can be learned from the use of a single sensor in one location in a classroom, to estimate the lighting comfort across a space. Daylighting is focused upon because it has the most spatial variation in a space. The findings of this study support the assertion that a one-point sensor measurement on a vertical wall could predict illuminance across the centre of the horizontal work plane; and provide a useful benchmark to estimate the light distribution across a space. However, regardless of how representative of a space a one-point measurement is, it is difficult to quantify the daylight distribution over time throughout the space. If various daylight indicators are well documented and analysed alongside the measured data, a strategically positioned one-point sensor on the vertical wall could be useful in predicting the daylight quantity of a space.

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Section: Literature Review Daylight Sensors In Classroomssupporting

confidence: 53%

Measuring the Daylight Performance of Classrooms: Can a One Point Sensor Measurement Predict the Daylight Distribution within a Space?

Ackley¹,

Donn²,

Thomas³

2020

Preprint

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“…The positive impact of daylight in classrooms was proven [47,48]. Daylighting in educational buildings has been a topical task of professional projects [49][50][51]. Extensive surveys of US schools in different climate conditions were performed [52].…”

Section: Daylight Evaluationmentioning

confidence: 99%

Evaluation of School Building Energy Performance and Classroom Indoor Environment

2020

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Existing building stock represents potential for energy saving renovations. Energy savings and indoor climate comfort are key demands for sustainable building refurbishment. Especially in schools, indoor comfort is an extremely important issue. A case study of energy consumption in selected school buildings in temperate climatic conditions of Central Europe region was performed. The studied buildings are representatives of various school premises constructed throughout the last century. The evaluation was based on data analysis of energy audits. The goal was aimed at assessment of the school building envelopes and their influence on energy consumption. One of the studied schools was selected for detailed evaluation. The school classroom was monitored for indoor thermal and visual environments. The monitoring was performed to compare the current state and renovation scenarios. Results of the evaluation show that the school buildings are highly inefficient even if renovated. Indoor climate in classrooms is largely influenced by windows. Solar gains affect interior thermal stability and daylighting. Thermal insulation quality of building envelopes and efficient solar shading systems appear to be fundamental tasks of school renovation strategies.

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“…The variability of sunlight through the day, the different orientations of indoor spaces with respect to the ecliptic and other factors lead to situations where curtains or shutters must be closed to avoid glare or annoying reflections on blackboards and other furniture impairing a correct development of the visual tasks. For this reason, researchers around the world are working on the development of models and tools to deal with radiative transfer involving complex surfaces [16][17][18] and/or daylight in buildings [19,20] in order to save energy with an optimal visual performance.…”

Section: Regulation On Indoor Working Places: State Of the Art And Pementioning

confidence: 99%

Indoor Lighting Customization Based on Effective Reflectance Coefficients: A Methodology to Optimize Visual Performance and Decrease Consumption in Educative Workplaces

Peña-García

Salata

2020

Sustainability

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The importance of accurate lighting has been proven to be essential for good performance in all kinds of buildings, where most of the professional activities are carried out. National regulations and international standards dealing with indoor lighting establish the technical requirements of lighting installations to ensure the performance of their users. These requirements deal with illuminance on the working plane, uniformity, glare, color temperature of light and some other parameters. However, regulations and technical documents on indoor lighting are mainly referred to standard conditions that are sometimes far away from the reality. Hence, some installations can fulfill the technical requirements, whilst being uncomfortable for task development, impairing user’s performance and are oversized in terms of energy consumption. This work departs from a field study in highlighting the regulatory limitations in the matter of reflectance, to propose a quasi-Lambertian approach to real conditions in indoor workplaces with a special aim in educative environments. It consists of the introduction of “effective reflectance” coefficients for some key visual tasks and furniture carried out by users in certain typical positions and working planes. Based on this coefficient, it is proposed to implement a simple measurement and luminary programming methodology adapted to each particular workplace, especially in educational centers. The final target is to improve visual performance and save energy.

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A Review of Daylighting Strategies in Schools: State of the Art and Expected Future Trends

Cited by 55 publications

References 51 publications

Measuring the Daylight Performance of Classrooms: Can a One Point Sensor Measurement Predict the Daylight Distribution within a Space?

Measuring the Daylight Performance of Classrooms: Can a One Point Sensor Measurement Predict the Daylight Distribution within a Space?

Evaluation of School Building Energy Performance and Classroom Indoor Environment

Indoor Lighting Customization Based on Effective Reflectance Coefficients: A Methodology to Optimize Visual Performance and Decrease Consumption in Educative Workplaces

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