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All Journal ARTEKS : Jurnal Teknik Arsitektur DIMENSI: Journal of Architecture and Built Environment
Kartika Rahmasari
Department of Architecture, Faculty of Engineering, Universitas Indonesia
Civil Engineering, Building, Construction & Architecture

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STUDY RECOMMENDATIONS TO ACHIEVE THERMAL COMFORT IN AN EDUCATIONAL BUILDING Naufal Andi Irsyad; Kartika Rahmasari; Ova Candra Dewi
DIMENSI: Journal of Architecture and Built Environment Vol. 50 No. 1 (2023): JULY 2023
Publisher : Institute of Research and Community Outreach, Petra Christian University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/dimensi.50.1.1-12

Abstract

This paper evaluates natural ventilation effectiveness in one fully dependent Air Conditioned-Educational Building in Depok to recommend potential passive cooling approaches toward user thermal comfort. This study involves building surveys to measure the temperature and humidity of three selected classrooms, A, B, and C, with varying configurations and capacities. Airflow simulation using Computational Fluid Dynamics (CFD) is done under two conditions: open and closed doors. A set of parameters, which are room configuration, type of window, and ventilation strategy, are set to evaluate natural ventilation aspects. The site survey indicates that only one classroom with an area of 92 sqm facing to the southside is classified as efficiently warm (Room A). The simulation demonstrates that cross-ventilation only occurs when the door is opened. The parameters indicating shape, dimension, type, and area of natural ventilation matter, show that the building’s natural ventilation is ineffective in providing thermal comfort. This study recommends that the building’s natural ventilation be placed according to the direction of the airflow, adding vertical fin elements, and increasing the openings by more than 5% area from the floor area.
The hybrid cycle of facade in ec building UI to achieve building circularity Kwarista Dharma Smitha; Ova Candra Dewi; Miktha Farid Alkadri; Kartika Rahmasari
ARTEKS : Jurnal Teknik Arsitektur Vol 10 No 1 (2025): ARTEKS : Jurnal Teknik Arsitektur | Januari 2025 ~ April 2025
Publisher : Program Studi Arsitektur Fakultas Teknik Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/arteks.v10i1.3056

Abstract

The construction sector has the potential to improve its sustainability through the application of circular economy principles, which primarily emphasize two cycles: replacing conventional materials with biological alternatives and enhancing the recycling of technical materials. This study aims to analyze the current facade design of the Engineering Center (EC) Building at Universitas Indonesia (UI) as an initial study to explore Alternative Design (AD) with a hybrid approach of biological and technical cycles. This study’s method mixes Building Circularity Calculation (BCC) and incorporates Material Passport (MP) and Material Flow Analysis (MFA). The study emphasized that utilizing mycelium brick (predominantly a biological material, comprising 63%) has outstanding potential to achieve building circularity implementation in the EC Building facade. The finding highlights a hybrid design strategy, incorporating a significant proportion of biological materials, could be a promising pathway for implementing building circularity in the EC Building. Biological materials are generally causing less environmental impact compared to technical materials, yet further mitigation strategies are required due to their shorter lifespan. To build based on these findings, exploring a wider range of building components and other possible variants of hybrid designs are recommended in future research.
Co-Authors Kwarista Dharma Smitha Miktha Farid Alkadri Naufal Andi Irsyad Ova Candra Dewi