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Comparison of Static Model, Adaptation Study, and CFD Simulation in Evaluating Thermal Comfort Based on Köppen Climate Classification System in Churches in Indonesia Cornelia Hildegardis; Anak Agung Ayu Oka Saraswati; I Dewa Gede Agung Diasana Putra; Ni Ketut Agusinta Dewi
Journal of Engineering and Technological Sciences Vol. 53 No. 6 (2021)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2021.53.6.6

Abstract

This research examined thermal comfort in  church buildings in Indonesia by making a comparison between three different Indonesian climatic regions using three different research models. A static model, an adaptation study model and a CFD simulation were used to find the similarities and differences between the results generated from determining thermal comfort in church buildings in the three regions. The comparison revealed that church buildings had different PMV scores at each measuring point that were inversely proportional to the subjects’ response on thermal comfort inside the buildings, i.e. points adjoining with openings affect a low PMV score and a high perceived thermal sensation, and vice versa. The CFD simulation showed that changing the conditions of the openings affects air velocity and flow into the building, which influences the subjects’ thermal comfort response inside the churches.
Kajian Townscape Koridor Jalan Pahlawan Tabanan I Gde Putu Esa Prakara Nayaka; Anak Agung Ayu Oka Saraswati; Ni Ketut Ayu Siwalatri
RUANG: Jurnal Lingkungan Binaan (SPACE: Journal of the Built Environment) Vol 8 No 1 (2021): April 2021
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (932.69 KB) | DOI: 10.24843/JRS.2021.v08.i01.p02

Abstract

Jalan Pahlawan is the main road of Tabanan City, the center for government offices of Tabanan Regency in Bali. This road used to be dominated by buildings dedicated to offices. Over time, however, this is no longer the case. It has been decorated with other building types that eventually change its visual character. This study aims to analyze the visual character of 2 segments of the Jalan Pahlawan corridor. The study uses a qualitative descriptive method by applying the townscape theory, namely serial vision (place and content). The study limits its research by only investigating the first layer of buildings that exist on both sides of the Jalan Pahlawan. This study shows that 3 segments have focal points while the other segment does not. This is due to the low visual diversity created by building sited in this corridor. The largest viscosity is found in the Tabanan Regent's Office which has a 35-meter border of undeveloped area. Sidewalks for pedestrians are found on both the northern and southern parts of the corridor which are also well decorated by thick vegetation. Vegetation is important in creating shade, but it should be wisely selected so it will not omit visual character potentially created by a series of unique buildings that exist along the corridor.Keywords: building façade; serial vision; townscape; street corridor AbstrakJalan Pahlawan merupakan jalan protokol yang menjadi pusat pemerintahan di Kota Tabanan di Bali. Seiring berjalannya waktu, dominasi bangunan perkantoran mulai berkurang dengan munculnya berbagai jenis bangunan lain. Hal tersebut menyebabkan terjadinya perubahan karakter visual. Studi ini bertujuan untuk menganalisis karakter visual dari 2 segmen di sepanjang koridor Jalan Pahlawan untuk mengetahui perubahan karakter visual di sepanjang koridor tersebut. Penelitian menggunakan metode deskriptif kualitatif dengan menerapkan teori townscape, yaitu serial vision (place dan content). Batas penelitian berupa satu lapis deret bangunan yang saling berhadapan di sepanjang koridor Jalan Pahlawan. Penelitian ini menunjukkan bahwa 3 segmen memiliki focal point dan 1 segmen tidak punya. Ini disebabkan rendahnya keragaman visual pada wajah bangunan di koridor ini. Viscosity terbesar ditemukan pada Kantor Bupati Tabanan yang memiliki garis sempadan 35 meter. Trotoar untuk pejalan kaki ditemukan di bagian utara dan selatan dari koridor ini yang juga dipenuhi dengan pepohonan yang lebat. Vegetasi berperan penting dalam menciptakan keteduhan, namun harus dipilih secara bijaksana sehingga keberadaannya tidak menghilangkan visual karakter yang dimunculkan oleh bangunan-bangunan yang unik yang berada di sepanjang koridor.Kata kunci: fasad bangunan; serial vision; townscape; koridor jalan
Student Perception of Thermal Comfort of Outdoor Space in Nusa Nipa University, Maumere, East Nusa Tenggara CORNELIA - HILDEGARDIS; Anak Agung Ayu Oka Saraswati; I Dewa Gede Agung Diasana; Ni Ketut Agusinta Dewi
International Journal of Engineering and Emerging Technology Vol 4 No 2 (2019): July - December
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/IJEET.2019.v04.i02.p04

Abstract

Nusa Nipa University is one of a number of universities in Maumere City, Sikka Regency, East Nusa Tenggara. Based on the Koppen climate classification, the City of Maumere is included in the savanna. The savanna climate is different from the tropical rain climate in terms of temperature, air humidity and wind speed. The high temperature in this city influences the perception of thermal comfort. Thermal comfort is a necessity for people performing activities in both outside and inside of building, one of those are students at Nusa Nipa University. This research was conducted by distributing questionnaire to 50 students occupying in 2 (two) different spots in the outdoor space. The result showed that 58% students felt comfortable in the grassy area with shade compared to other off-campus areas. This perception of comfort is influenced by comfort factors namely hardscape or softscape that exist in the outdoor space of the Nusa Nipa University.
Elemen Livable Street pada Koridor Jalan Kamboja Denpasar I Gede Indra Mahendra; Anak Agung Ayu Oka Saraswati
RUANG: Jurnal Lingkungan Binaan (SPACE: Journal of the Built Environment) Vol 10 No 1 (2023): April 2023
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (364.978 KB) | DOI: 10.24843/JRS.2023.v10.i01.p03

Abstract

A livable street is expected to accommodate the various needs of street users, including pedestrians, motorcyclists, cyclists, and those with physical impairments. The balance in fulfilling the needs of each of these users should be consciously maintained. Kamboja Street, located in the Denpasar education center, is a corridor with relatively complex functions. It is surrounded by GOR Ngurah Rai, Kereneng Market, and various government facilities. Changes in how this corridor has been used have affected its livability. Many street vendors have used this corridor as business venues; likewise, motorcyclists have used it as a parking area. The purpose of this study is to map the conditions in which various uses take place, the level of accessibility, and the environmental quality of the corridor, to achieve the expected livability level of this corridor and its capacity to accommodate the users’ needs. It applies a qualitative method with a rationalistic approach. It focuses on three livability elements: a) functions and social activities; b) accessibility & safety; and c) environmental quality. The results show that Segment 2 has livability-grade A, which means a high livable quality; Segment 1 has livability-grade B, which means a moderate livable quality; and Segment 3 has livability-grade C, which means the lowest livable quality of the three segments’ corridor.Keywords: street corridor livability; the element of street corridor livability; Kamboja street - Denpasar AbstrakSebuah jalan yang livabel diharapkan mampu mewadahi kebutuhan dari pemakai, termasuk kepentingan dari para pejalan kaki, pengendara motor, pengendara sepeda dan para penyandang keterbatasan fisik. Keseimbangan antara pemenuhan kepentingan dari masing-masing group pengguna harus secara sadar diperhatikan. Jalan Kamboja yang berada di kawasan pusat pendidikan Denpasar merupakan koridor dengan fungsi cukup kompleks. Terdapat fasilitas olahraga - GOR Ngurah Rai, Pasar Kreneng dan beragam fasilitas pemerintahan. Perubahan bagaimana koridor ini dimanfaatkan telah berpengaruh terhadap tingkat livabilitasnya. Banyak pedagang kaki lima (PKL) telah memanfaatkan koridor ini sebagai tempat berjualan dan banyak banyak para pengendara motor yang memanfaatkannya sebagai tempat parkir. Tujuan penelitian ini untuk mengetahui kondisi aktivitas, aksesibilitas, dan kualitas lingkungan sehingga kedepannya pada koridor Jalan Kamboja mampu diwujudkan livabilitas yang dapat mengakomodasi kebutuhan pengguna koridor termasuk penyandang disabilitas. Penelitian ini menggunakan metode kualitatif dengan pendekatan rasionalistik dengan tiga elemen livabilitas koridor jalan: a) fungsi dan aktivitas sosial; b) aksesibilitas dan keselamatan; c) kualitas lingkungan. Hasil penelitian menunjukkan pada Segmen 2 memiliki kondisi livabilitas A, yang berarti kualitas livable yang tinggi, Segmen 1 memiliki kondisi livabilitas B, yang berarti kualitas livable yang sedang, dan Segmen 3 memiliki kondisi livabilitas C, yang berarti kualitas livable yang paling rendah dari dari ketiga segmen koridor.Kata kunci: livabilitas koridor jalan; elemen livabilitas koridor jalan; koridor jalan Kamboja - Denpasar