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Pengaruh Penerapan Cerobong Surya terhadap Kelajuan Udara Koridor pada Bangunan Inner-Court Dede Irwan; Dian Perwita Sari
Vokasi Vol 13 No 1 (2018): Vokasi
Publisher : Politeknik Negeri Pontianak

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Abstract

The achievement of thermal comfort in damp hot tropical climate such as Pontianak city becomes difficult to be achieved due to having problems such as high temperature of air; humidity of air; solar radiation and low average speed of air movement. The main way to get thermal comfort is to decrease heat by continuously improving natural air movement using natural ventilation both horizontally and vertically. The solar chimney with a tromble wall can be utilized as a form of soft technology, which tackles climate as a beneficial factor for thermal comfort in a building. The solar chimney with a tromble wall can create a temperature difference at the top and bottom of the building so that vertical ventilation occurs. Prototype solar chimney with tromble wall is one way to get thermal comfort in the building. The results show that the air speed at Inner court without sun chimneys is lower than 0.08 m / s from Inner court with a solar chimney of 0.18 m / s. The difference between the air velocity between Inner court without solar chimney with Inner court with solar chimney that is equal to 0.10 m / s. Air speed at Inner court with solar chimney 113.16% higher than Inner court without solar chimneys.
Pengaruh Rasio Inlet dan Outlet Bukaan pada Cerobong Surya terhadap Kelajuan Udara Koridor Gedung Jurusan Teknik Arsitektur Politeknik Negeri Pontianak Dede Irwan; Jockie Zudhy Fibrianto; Dian Perwita Sari
Vokasi Vol 15 No 1 (2020): Vokasi
Publisher : Politeknik Negeri Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (537.732 KB)

Abstract

Not all humid tropical climate conditions could comfortably support the continuation of tropical human activities. With high humidity, the human who lives in a tropical area tends to need stronger winds so that the water vapor (sweat) that on the skin surface evaporates quickly and provides a cooling effect on the body so that thermal comfort can achieve. Increasing airflow speed can help by the addition of an area both in the inlet area and outlet, as long as the proportion of the area between the area inlet and outlet are appropriate. The quantitative research method used to determine the building condition thermal, such as the condition of the solar funnel with an inlet and outlet ratio of 1: 6 and an inlet and outlet ratio of 1: 1, so that an effective temperature value could be known to determine the thermal comfort level. The analysis result of the air velocity in the solar chimney the Inlet and Outlet ratio of 1: 6 is higher that is equal to 0.32 m / sec than in the Inlet and Outlet ratio solar chimney there is 1: 1 equal to 0.21 m / sec. Air velocity in the solar funnel with a 1: 6 ratio of Inlet and Outlet is 57.6% higher than solar chimney with a 1: 1 ratio of Inlet and Outlet.
Co-Authors Dian Perwita Sari Jockie Zudhy Fibrianto