Daylight luminous efficacy: an overview

EI Aghimien, DHW Li, W Chen, EKW Tsang - Solar Energy, 2021 - Elsevier
The building sector accounts for 40% of global energy consumption, and artificial lighting is
a contributory factor. An approach to resolving lighting issues is daylighting. For daylight to …

Early design evaluation of low-rise school building morphology on energy performance: Climatic contexts of Southeast Europe

S Dervishi, N Baçi - Energy, 2023 - Elsevier
Contemporary societies have shifted their focus towards sustainable and resilient public
buildings, transcending the institutional and functional role of the physical structures. School …

Exploring the impact of high-rise residential building morphology with controlled environment agriculture (CEA) and vertical farming on energy performance in various …

K Lika, S Dervishi - Energy Conversion and Management, 2025 - Elsevier
Abstract The integration of Controlled Environment Agriculture (CEA) into building design is
a growing trend driven by the need to address global food security and urbanization …

Performance of global luminous efficacy models and proposal of a new model for daylighting in Burgos, Spain

MI Dieste-Velasco, M Díez-Mediavilla… - Renewable Energy, 2019 - Elsevier
Daylighting is recognized as an important and useful strategy in the design of energy
efficient buildings. Daylight is still the best source of light for good colour rendering and …

Model development and evaluation of global and diffuse luminous efficacy for humid sub-tropical region

AS Azad, D Rakshit, KN Patil - Renewable Energy, 2018 - Elsevier
Daylight has a significant role for energy conservation in buildings. Luminous efficacy
models have been applied by many researchers to estimate the illuminance level from …

A simple model for the derivation of illuminance values from global solar radiation data

S Dervishi, A Mahdavi - Building Simulation, 2013 - Springer
This paper presents a new simple luminous efficacy model for global horizontal irradiance.
The objective is to derive values of outdoor global horizontal illuminance data from typical …

Proposal and evaluation of typical illuminance year (TIY) generation procedures from illuminance or irradiance data for daylight assessment in the long term

I Garcia, M de Blas, JL Torres - Solar Energy, 2020 - Elsevier
When assessing the long-term daylight availability or the performance of natural lighting
systems in a given location, it is necessary to have representative data of local daylight …

Assessing Energy Poverty and Potential Retrofit Scenarios in Residential Stock in Tirana, Albania

S Dervishi, G Mazniku, A Tafani… - Living with Energy …, 2023 - taylorfrancis.com
This study explores comprehensive research on the prevalence of energy poverty in
housing stock in Tirana, highlighting the vulnerability of households and providing potential …

Luminous efficacy model validation and computation of solar illuminance for different climates of India

KN Patil, SN Garg, SC Kaushik - Journal of Renewable and …, 2013 - pubs.aip.org
Three luminous efficacy models namely Perez model, Muneer–Kinghorn model, and
Littlefair model have been evaluated against measured solar illuminance and solar …

Application of artificial neural networks in horizontal luminous efficacy modeling

DHW Li, EI Aghimien, EKW Tsang - Renewable Energy, 2022 - Elsevier
Harnessing daylight for energy-efficient designs requires the availability of daylight
illuminance data. In the absence of measured daylight data, deriving daylight using the …