Calculating the optimum window-to-wall ratio according to daylight factor and thermal performance in Mediterranean climate DOI Open Access
Pooya Lotfabadi

International Journal of Energy Studies, Journal Year: 2023, Volume and Issue: 8(3), P. 289 - 314

Published: Aug. 31, 2023

Energy is a significant part of socio-economic development modern societies. Increasing fossil fuel consumption almost the main source energy throughout world. Thus, it essential to search for more sustainable alternatives or method decrease this huge amount usage. On other hand, building industry known as one biggest consumers. Among efficiency measures, openings are playing key role in declining consumption, especially hot summers Cyprus. Therefore, study carries out field measurement various opening sizes case order make satisfactory situation both from and visual comfort considerations. Meanwhile, studio faculty architecture, Famagusta, North Cyprus, has been selected an experimental examination show effectiveness method. In analyze its performance, calculation simplified chosen. Outcomes intended illustrate benefits authorize size comparisons display differences conservation measures inherent compliance methods allowable by regulations. Finally, results obviously that decreasing window-to-wall ratio, heat loss significantly reduces. But, considering daylight factor (DF) standard defined range applying 750lux lighting requirement studio, finding minimum WWR seems meaningful. according mentioned criteria special case, optimum can be considered 10 20%, which gives architects some flexibility apply their designs.

Language: Английский

Multi-objective optimization of energy and daylight performance for school envelopes in desert, semi-arid, and mediterranean climates of Iran DOI
Maryam Talaei, Hamed Sangin

Building and Environment, Journal Year: 2024, Volume and Issue: 255, P. 111424 - 111424

Published: March 19, 2024

Language: Английский

Citations

15
Optimizing the View Percentage, Daylight Autonomy, Sunlight Exposure, and Energy Use: Data-Driven-Based Approach for Maximum Space Utilization in Residential Building Stock in Hot Climates DOI Creative Commons
Tarek M. Kamel, Amany Khalil, Mohammed M. Lakousha

et al.

Energies, Journal Year: 2024, Volume and Issue: 17(3), P. 684 - 684

Published: Jan. 31, 2024

This paper introduces a comprehensive methodology for creating diverse layout generation configurations, aiming to address limitations in existing building optimization studies that rely on simplistic hypothetical buildings. study’s objective was achieve an optimal balance between minimizing the energy use intensity (EUI) kWh/m2, maximizing views percentages outdoor (VPO), achieving spatial daylight autonomy (sDA), and annual sunlight exposure (ASE). To ensure accuracy reliability of simulation, research included calibration validation processes using Ladybug Honeybee plugins, integrated into Grasshopper platform. These involved comparing model’s performance against real-world case. Through more than 1500 iterations, study extracted three multi-regression equations enabled calculation EUI kWh/m2. demonstrated significant influence window-to-wall ratio (WWR) space proportions (SP) EUI. By utilizing these equations, we were able fine-tune design process, pinpoint make informed decisions minimize consumption enhance sustainability residential buildings hot arid climates. The findings indicated 61% variability can be attributed changes WWR, as highlighted first equation. Meanwhile, second equation suggested around 27% explained by alterations proportions, indicating moderate correlation. Lastly, third approximately 89% associated with SP pointing strong correlation SP, consumption. proposed method is flexible include new objectives variables future applications.

Language: Английский

Citations

8
The Energy Saving Potential in an Office Building Using Louvers in Mid-Latitude Climate Conditions DOI Creative Commons
Ngoc Minh Kieu, Irfan Ullah, Jongbin Park

et al.

Buildings, Journal Year: 2024, Volume and Issue: 14(2), P. 512 - 512

Published: Feb. 13, 2024

Daylighting has emerged as a prominent strategy for elevating indoor environments by harmonizing visual comfort and energy efficiency. This paper introduces louver system crafted simulations, specifically tailored to address lighting cooling requirements in office spaces. Louvers, acknowledged their exceptional efficiency providing daylight, are integrated pivotal energy-saving technique. Adopting quantitative research approach facilitated building information simulation tools, DIALUX evo Rhino were employed modeling simulating the building’s daylighting performances. The outcomes reveal substantial savings, particularly realms of cooling. Notably, 50% opening spaces results an impressive 27.0% reduction consumption. study explores various configurations, insights into both savings. overall performance excels sustaining consistent significantly contributing enhanced

Language: Английский

Citations

6
Daylight performance analysis of a residential building in a tropical climate DOI Creative Commons

Kamaraj Kalaimathy,

Radhakrishnan Shanthi Priya,

Prashanthini Rajagopal

et al.

Energy Nexus, Journal Year: 2023, Volume and Issue: 11, P. 100226 - 100226

Published: July 17, 2023

The present study investigates the effects of visible light transmittance in glazing and window-to-wall ratios on ground floor daylighting performance a two-storey residential building warm-humid climate. metrics used to optimize with minimal glare are useful daylight illuminance, annual sunlight exposure, spatial autonomy. is assessed by empirical method Design-Builder simulation, focusing overcast sky situations. illuminance primary metric for analyzing amount throughout year. Annual exposure autonomy complement evaluating performance. A ratio 16%, 0.62, 0.52 can meet requirements standards. design change window position helps obtain within 10% while maintaining high When installed upper wall higher sill lintel height, 16% 0.62 functions well without creating glare. significant findings benefit all stakeholders improving strategies tropical climates satisfying

Language: Английский

Citations

13
A review on simulation based multi-objective optimization of space layout design parameters on building energy performance DOI Creative Commons

Harshalatha,

Shantharam Patil, Pradeep G. Kini

et al.

Journal of Building Pathology and Rehabilitation, Journal Year: 2024, Volume and Issue: 9(1)

Published: April 17, 2024

Abstract Improving the energy performance of buildings is crucial for environmental protection, savings, and a better living environment. The growing emphasis on sustainable building practices has led to an increased focus optimizing space layout design parameters enhance performance. This review explores application simulation-based multi-objective optimization techniques in context studying impact efficiency. integration advanced simulation tools with algorithms allows comprehensive analysis multiple conflicting objectives like performance, user comfort as well cost factor. begins by outlining key influencing including spatial configurations, orientation, perimeter variables. Subsequently, it delves into various employed model complex interactions between these their effects software highlighted step towards achieving accurate realistic assessments. In summary, this delivers overview state-of-the-art methods offering insights researchers, practitioners, policymakers field architecture. There requirement framework structures investigation giving more reducing cooling load along envelope parameters.

Language: Английский

Citations

4
Optimizing Energy Efficiency: Louver Systems for Sustainable Building Design DOI Creative Commons
Waseem Iqbal, Irfan Ullah, Asif Hussain

et al.

Buildings, Journal Year: 2025, Volume and Issue: 15(7), P. 1183 - 1183

Published: April 3, 2025

As the global focus on sustainability intensifies, architects and engineers are increasingly seeking innovative passive strategies to improve building energy efficiency. Among these strategies, strategic integration of louvers has garnered significant attention due their potential optimize envelope performance reduce consumption. Louvers effectively manage solar heat gain, mitigating impact extreme temperatures indoor spaces. Consequently, reliance active HVAC systems, leading notable savings a decreased carbon footprint. This paper presents comprehensive review role in enhancing efficiency, highlighting designs, improvement suggestions. Moreover, this article addresses challenges related louver design, such as balancing trade-off between gain daylighting how configurations for specific types. Approaches overcome challenges, including advanced modeling techniques parametric also explored assist designers achieving most energy-efficient outcomes.

Language: Английский

Citations

0
Artificial intelligence algorithms, simulation tools and software for optimization of adaptive facades: A systematic literature review DOI
Resul Özlük, Fatih Aydın, Yusuf Yıldız

et al.

Journal of Building Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 112566 - 112566

Published: April 1, 2025

Language: Английский

Citations

0
Energy efficiency in smart schools using renewable energy strategy DOI Creative Commons

Mohammad Tahir Zamani,

Ali Ahmad Amiri

Journal of Daylighting, Journal Year: 2024, Volume and Issue: 11(2), P. 203 - 215

Published: Aug. 3, 2024

As smart schools increasingly rely on technology, achieving energy efficiency becomes crucial for cost reduction and sustainability. This study investigates strategies in schools, focusing the integration of renewable technologies. A quantitative approach using numerical simulations literature reviews establishes benchmarks energy-efficient schools. The Design Builder software is employed to evaluate system performance, with validation achieved through analysis System Advisor Model software. modeled school building consumes 75,385.63 kWh annually, based weather conditions specific location. Further studies indicate that integrating photovoltaics hot water collectors can generate approximately 86,635 annually. not only offsets consumption but also produces an excess 11,249 kWh, which be transferred back grid additional revenue. Validation SAM demonstrated a minimal difference (3.2%) annual outputs, confirming accuracy model. findings suggest significantly contribute net-zero buildings. Additionally, focus rooftop installations promotes sustainability by minimizing land use.

Language: Английский

Citations

2
The Energy Saving Potential in an Office Building Using Louvers in Mid-Latitude Climate Condition DOI Open Access
Seoyong Shin, Ngoc Minh Kieu, Irfan Ullah

et al.

Published: Jan. 16, 2024

Daylighting has been widely adopted in recent years due to its potential improve the indoor environment terms of visual comfort and energy-saving. One energy-saving techniques for energy-efficient buildings is integration louver systems. Louvers are considered more efficient providing daylight interior as compared other daylighting Here, this paper presents design a system conducting energy simulations lighting cooling requirements office spaces. The simulation results indicate that use louvers different opening configurations can lead savings, particularly aspect. spaces with 50% leads 27.0% savings. Further, presented openings calculate overall performance better consistent daylight, which eventually improves saving.

Language: Английский

Citations

1
Optimizing the Thermal Performance of Residential Buildings in Jordan DOI Creative Commons

Esraa Sh. Abbaas,

Mazran Ismail, Ala’eddin A. Saif

et al.

Journal of Engineering Research, Journal Year: 2024, Volume and Issue: unknown

Published: June 1, 2024

This work investigates the influence of building form, natural ventilation, and window shading passive strategies on thermal performance comfort three residential forms, namely rectangular, L-shape, U-shape, in hot-dry summer Amman, Jordan. The buildings is studied using indoor air temperature, evaluated according to ASHRAE-55 Fanger's models. buildings' models are designed SketchUp plugin OpenStudio then plugged into EnergyPlus simulator. It obtained that when ventilation devices considered together, temperature notably dropped up 8.85 °C daytime 12.70 at nighttime, which improves all forms. Generally, rectangular exhibits best behavior under optimum conditions. U-shape presents for primary conditions, it records lowest out-of-comfort percentage time during day achieves highest comfortable after considering window's area control.

Language: Английский

Citations

1