E3S Web Conf.
Volume 111, 2019CLIMA 2019 Congress
|Number of page(s)||6|
|Section||Advanced HVAC&R&S Technology|
|Published online||13 August 2019|
Impact of Negative Pressure in a Room Due to Increased Airtightness in Residential Apartment Housing
1 Tokyo Denki University, Ishizaka, Hatoyama, Hiki-gun, Saitama, Japan
2 Tokyo University of Science, 6-3-1 Niijyuku, Katsushika-ku, Tokyo, Japan
* Corresponding author: email@example.com
This study surveyed the impact of a negative pressure in a room in a highly airtight residential apartment with Class 3 ventilation (natural air intake and mechanical exhaust). The results of the study are as follows. 1) A room may reach an excessive level of negative pressure depending on how the ventilation system is used. 2) Noise from the drain pipe of a room air conditioner caused by negative pressure in the room is dependent on how the drain pipe is installed. 3) An experiment was conducted to investigate the mechanism of a seal break in a toilet trap. However, the seal did not break. Thus, seal breaks may be caused by multiple factors.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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