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All Journal IPTEK Journal of Proceedings Series DIMENSI: Journal of Architecture and Built Environment Jurnal Teknik Indonesia Jurnal Arsitektur ARCADE
FX Teddy Badai Samodra
Institut Teknologi Sepuluh Nopember
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Transportation

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Evaluation on green concept of high-rise building design and its architectural feasibility Johanes Krisdianto; FX Teddy Badai Samodra; Mudji Irmawan
IPTEK Journal of Proceedings Series No 3 (2017): 8th International Conference on Architecture Research and Design 2016
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1072.754 KB) | DOI: 10.12962/j23546026.y2017i3.2451

Abstract

Recently, the feasibility study on occupancy, building design and its operation are critical issues in building certification. This study evaluates green concept of a high-rise building, Grand Darmo Suite Hotel Surabaya-an awarded on green building as case study, to the architectural feasibility. The modeling using Ecotect Analysis and CFD Fluent program combined with field observation were also conducted to evaluate the building performance. Based on building simulation and the walkthrough survey and audit, the results show that the building has architectural aspect and advantage, it remains in consistent way between the initial planning and the development. In general, the green concept is implemented in organization of space and its use where they are in accordance with the functions and appropriate to building permit. Furthermore, the condition and quality of the finishing material do not interfere the comfort of occupancy.
Effect of Coconut Fiber Wall Panels on Humidity Conditions in a Tropical House Wila Prakasita Scotiswara Supomo; I Gusti Ngurah Antaryama; FX Teddy Badai Samodra
DIMENSI (Journal of Architecture and Built Environment) Vol. 51 No. 2 (2024): DECEMBER 2024
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.51.2.73-82

Abstract

Houses in warm and humid tropical regions, like Indonesia, often experience uncomfortable conditions due to high temperatures aggravated by high humidity. With its adsorptive characteristics, natural coconut fiber can be utilized as wall panels and assigned to regulate house humidity levels. Research focusing on investigating the adsorptive capability of the natural coconut fiber in controlling humidity is widely available, but that specifically examines the effect of the surface area of the material on air humidity conditions in humid tropical extant houses is still limited. A field experiment was conducted in a small Surabaya house. The study analyzes the impact of coconut fiber (CF) wall panels on humidity conditions in each house room and the optimal surface area of the wall panels. CF wall panels were found to reduce the indoor relative humidity (RH) significantly. The optimal surface area varied depending on room characteristics. The optimal surface area of the wall panels for the living room is six (6) m² with a 28% RH reduction, for the bedroom is six (6) m² with a 27% reduction, and for the kitchen is five (5) m² with a 27% reduction.
PENGARUH FASAD KACA DENGAN MATERIAL PCM TERHADAP SUHU INDOOR PADA HIGH RISE APARTMENT Litani Evitasari; Ima Defiana; FX Teddy Badai Samodra
Jurnal Arsitektur ARCADE Vol 7 No 1 (2023): Jurnal Arsitektur ARCADE Maret 2023
Publisher : Prodi Arsitektur UNIVERSITAS KEBANGSAAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31848/arcade.v7i1.1309

Abstract

In recent years, the selection of building envelope designs frequently using fabricated materials. Glass is commonly chosen because it can make the façade of building more aesthetic and also it’s installation is quite fast. On the other hand, glass is a good conductor, so the heat from outside can be transferred directly into the building, causing the increase of  indoor temperature. This research try to compare combinations of glass materials and various types of PCM that can decrease indoor temperature on the high rise apartment at Surabaya, Indonesia. The purpose of this research is to propose the impact of the application of PCM material to the apartment's glass facade on the indoor temperature of the building based on thermal properties and window-to-wall ratio (WWR). This research using experiment method with the assistance of DesignBuilder software. This research showed that the value of conductivity and density have the most significant effects on decrease indoor temperature. Adding Bio-PCM to the glass facade can reduce the temperature by 2 to 4 K. Beside that, the most significant temperature decrease at 80% WWR simulation in the coldest month with the building facing east. The temperature decreased by 1.3 K. The difference in temperature that occurs in the western orientation in hottest and coldest month reaches 0.57 K.
Evaluasi Korelasional Kondisi Termal Tiga Konfigurasi Koridor dengan Unit Indoor pada Rusunawa Berventilasi Alami Tropis Lembab Rizky Olda Putri Salsabilla; I Gusti Ngurah Antaryama; FX Teddy Badai Samodra
Jurnal Teknik Indonesia Vol. 5 No. 3 (2026): Jurnal Teknik Indonesia
Publisher : Publica Scientific Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58860/jti.v5i3.912

Abstract

Konfigurasi koridor pada rusunawa berventilasi alami memiliki pola hubungan yang berbeda dengan kondisi termal unit indoor. Penelitian ini mengevaluasi hubungan korelasional antara kondisi termal koridor agregat dengan kondisi unit indoor, meliputi suhu udara, kelembaban relatif, dan kecepatan angin,  pada tiga rusunawa di Surabaya. Ketiga objek mewakili konfigurasi koridor single-loaded (Urip Sumoharjo), double-loaded (Keputih), dan twin-block indoor (Penjaringan Sari 3). Pengukuran lapangan dilakukan secara simultan pada zona outdoor, koridor, dan indoor pada 7 unit dalam empat sesi harian selama tiga hari per lokasi. Pengukuran difokuskan pada lantai 3 untuk menjaga kesetaraan komparatif antar tipologi. Sebelum analisis korelasi, dilakukan uji prasyarat berupa uji normalitas Shapiro-Wilk dan uji linieritas. Analisis korelasi Pearson (r) digunakan untuk membaca arah dan kekuatan hubungan antara kondisi koridor dan kondisi indoor. Hasil menunjukkan bahwa koridor single-loaded memiliki hubungan kelembaban paling kuat dan paling konsisten dengan unit indoor (r= 0,851 sampai 0,954) serta hubungan suhu udara kuat pada unit berorientasi timur (r = 0,848). Koridor twin-block menunjukkan korelasi suhu udara outdoor-koridor tertinggi (r= 0,714) dengan hubungan koridor agregat-unit sedang hingga kuat (r = 0,557 sampai 0,775). Koridor double-loaded menunjukkan hubungan suhu udara koridor agregat-unit paling lemah (r = 0,008 sampai 0,369). Korelasi kecepatan angin koridor agregat-unit mendekati nol pada semua tipologi (r = -0,189 sampai 0,135), sehingga kecepatan angin koridor tidak dapat digunakan untuk memprediksi langsung kecepatan angin unit indoor. Temuan ini menegaskan bahwa konfigurasi koridor berkaitan dengan kondisi termal unit secara berbeda pada setiap parameter, tetapi analisis agregat belum memisahkan kedekatan spasial antara titik koridor dan unit tertentu.
Co-Authors Defiana, Ima I Gusti Ngurah Antaryama Irmawan, Mudji Krisdianto, Johanes Litani Evitasari Rizky Olda Putri Salsabilla Wila Prakasita Scotiswara Supomo