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All Journal SUSTINERE: Journal of Environment and Sustainability CSID Journal of Infrastructure Development
Miktha Farid Alkadri
Department of Architecture, Faculty of Engineering, Universitas Indonesia, Depok, Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Engineering Environmental Science Social Sciences

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Bio-cooling façade in tropical climate Nurul Sonda Fadhila; Miktha Farid Alkadri; Ova Candra Dewi
Sustinere: Journal of Environment and Sustainability Vol. 8 No. 2 (2024): pp. 138-287 (August 2024)
Publisher : Center for Science and Technology, IAIN Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22515/sustinere.jes.v8i2.400

Abstract

The purpose of this paper is to explore how building design requires consideration of both energy consumption and environmental impacts of the construction and maintenance processes. The increasing energy consumption and construction waste are concerning trends within the building industry. In response to this issues, the concept of circular economy has gained prominence, emphasizing the need to restore, rebuild, and regenerate resources in a sustainable manner. This research focused on Bio-Cooling Façades (BCF) in tropical climates through the assessment of four parameters including the biomaterial, cooling façade, energy consumption, and building circularity. This was conducted through a comparative analysis of existing and eight proposed BCF configurations designed to reduce energy consumption and increase building circularity. The results show that applying BCF at a glazing size of 40% reduces solar heat radiation, lowers building energy consumption, and minimizes potential construction material waste in countries with tropical climates. These findings assist architects and the industry in defining the optimal building façades for cooling, ultimately reducing energy consumption.  
Exploring The Horizontal Static and Dynamic Shading Devices to Minimize Cooling Load in Tropical Buildings Fitriatulamal, Hilmi; Dewi, Ova Candra; Alkadri, Miktha Farid; Rahmasari, Kartika
CSID Journal of Infrastructure Development Vol. 8, No. 2
Publisher : UI Scholars Hub

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Abstract

Shading devices are essential for reducing solar radiation and cooling loads in buildings located in tropical climates. In the Jakarta region, the highest solar factor is observed on west- and east-facing facades, followed by north- and south-facing orientations. National building policy in Indonesia encourages facades to face north–south to reduce solar heat gain. This study explores horizontal static and dynamic shading devices on north-facing facades and evaluates their impact on cooling load reduction and daylight performance. The methodology includes calculating and simulating energy use intensity (EUI) using EnergyPlus and conducting illuminance analysis using Radiance and Grasshopper. Key parameters considered in the shading design include sun position, illuminance levels, and EUI. The results show that static shading devices with a fixed tilt angle of 20° and a depth of 1.2 m reduce the cooling load by 15.82% while ensuring that at least 30% of the workspace floor area receives an average illuminance of 300 lux throughout the year. Meanwhile, dynamic shading devices with adjustable tilt angles ranging from 10° to 40°, following the sun’s position, reduce the cooling load by 15.75%–18.83%. This configuration consistently ensures that at least 30% of the workspace floor area achieves 300 lux of illuminance each month. These findings provide a practical reference for the design of north-facing shading devices in tropical climates, balancing thermal performance and daylight availability.
Co-Authors Dewi, Ova Candra Fitriatulamal, Hilmi Nurul Sonda Fadhila Ova Candra Dewi Rahmasari, Kartika