Field Investigation of Indoor Thermal Environments in Apartments of Surabaya, Indonesia: Potential Passive Cooling Strategies for Middle-class Apartments

Alfata, Muhammad Nur Fajri; Hirata, Naoto; Kubota, Tetsu; Nugroho, Agung Murti; Uno, Toyozo; Ekasiwi, Sri Nastiti N.; Antaryama, I Gusti Ngurah

doi:10.1016/j.egypro.2015.11.674

Cited by 14 publications

(8 citation statements)

References 3 publications

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“…In order to offset the discomfort in a warm-humid environment, higher air velocity should be introduced, and this can range, as the study shows, between 0.2-0.6 m/s. The condition is difficult to be attained in a standard building design as the average air velocity generally does not exceed 0.2 m/s (Aflaki et al, 2016;Alfata et al, 2015;Sujatmiko et al, 2015). Nevertheless, previous studies indicated several strategies could be employed to meet the objective.…”

Section: Contribution Of the Strategy To Comfortmentioning

confidence: 99%

Applicability of Direct Evaporative Cooling for Low-Rise Residential Building in Surabaya

Antaryama

2022

dimensi

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Direct evaporative cooling has been widely known as the passive design strategy for ameliorating the thermal conditions of building in hot-dry climates. In the recent past, the strategy has been extended to warm-humid climates. The scope varies from exploring the system to applying the method to buildings. Few studies have been conducted regarding its application on a multi-story residential building. In response to this gap, the present study will explore the strategy's applicability on the typical low-rise housing in Surabaya and analyze its environmental consequences. Simulation is used as the primary method for the analyses. Results of the study show that direct evaporative cooling is applicable in warm-humid tropics, but with some notes regarding the increase of air humidity. Dimensional properties of the cooling pad can be arranged to minimize the increased humidity.

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Section: Contribution Of the Strategy To Comfortmentioning

confidence: 99%

Applicability of Direct Evaporative Cooling for Low-Rise Residential Building in Surabaya

Antaryama

2022

dimensi

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“…This strategy could be expensive and consumes more energy. Many kinds of research have been conducted on lowrise housing and suggest natural ventilation to restore comfort in the building (Indrani 2008; Alfata et al 2015). It is cheaper and able to provide tolerable indoor thermal conditions.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of evaporative cooler models using cotton-based fabric pads for tropical housing units

Antaryama¹,

Ekasiwi²,

Erwindi³

2022

ARTEKS J. Tek. Arsit.

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Direct evaporative cooling (DEC) is a passive cooling strategy adopted in predominantly hot regions to restore building thermal comfort with less energy consumption and minimum impact on the environment. The implementation and studies of DEC in tropical housing are limited. Although DEC can reduce air temperature, an increase in relative humidity can still be seen as a disadvantage. Many materials were introduced for the cooling pads, but none was explicitly proposed for use in the housing unit. The present study explores different cotton-based fabrics to be used in the proposed evaporative cooler of the public housing unit in Surabaya. It analyses its ability to reduce air temperature and identify the increase in air humidity that may occur. A small-scale model of the housing unit that incorporates an evaporative cooling system is set, and internal air temperature and humidity are recorded. Results of the analysis show that different fabric specifications can lead to various thermal performances. A cotton-based blanket is found to be suitable for the proposed strategy.

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“…Strategi pasif untuk memberikan kenyaman pada bangunan adalah dengan menggunakan prinsip dasar arsitektur, seperti penggunaan peneduh bangunan (kanopi, balkon, atau sejenisnya), peletakan bukaan sesuai dengan orientasi bangunan, dan perlakuan lainnya yang mengurangi intensitas panas dari matahari untuk masuk ke dalam bangunan dan meningkatkan ventilasi udara alami yang mendinginkan ruangan [13]. Sehingga peran selubung bangunan terutama pada bangunan tinggi menjadi sangat penting.…”

Section: Peran Selubung Bangunanunclassified

Studi Dampak Penggunaan Insulasi pada Bangunan Rumah Tinggal Terhadap Konsumsi Energi Pendingin Ruangan

Sigalingging

2021

J. Sci. Appl. Tech.

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The global warming issue has become a concern for environmentalists activists, including many governments. This concern is due to the increasing attention to reducing the use of fossil energy because fossil energy has significantly exacerbated global warming. To minimize the use of fossil energy, especially the housing sector that is one of the extensive energy users. Building performance's analysis is done by creating changes to the case study's building envelope material. Case study buildings were simulated in energy analysis software. Preliminary analysis shows how the performance of the case study building is still far from the standard of thermal comfort. Air conditioning (AC) usage in the room will give comfort in terms of temperature. But, even though with the AC, the humidity level of the room was still high. Two building models are then created in the software to see the performance of the building by making changes to the building envelope material. With the settings on air-conditioning (AC) and environmental conditions in both models, the results indicate differences in the building performance of the two buildings. The results show that the building with insulation are using less energy and can provide optimal comfort for building users. Comfort is not only in terms of the building's temperature but including building relative humidity. In buildings with insulation, the temperature and humidity of the building are relatively stable throughout the year.

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Field Investigation of Indoor Thermal Environments in Apartments of Surabaya, Indonesia: Potential Passive Cooling Strategies for Middle-class Apartments

Cited by 14 publications

References 3 publications

Applicability of Direct Evaporative Cooling for Low-Rise Residential Building in Surabaya

Applicability of Direct Evaporative Cooling for Low-Rise Residential Building in Surabaya

Evaluation of evaporative cooler models using cotton-based fabric pads for tropical housing units

Studi Dampak Penggunaan Insulasi pada Bangunan Rumah Tinggal Terhadap Konsumsi Energi Pendingin Ruangan

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