The 31st AIVC Conference - Low Energy and Sustainable Ventilation Technologies for Green Buildings, was held in Seoul, Korea, 26-28 October 2010.

Contains 80 papers.

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Residential buildings newly constructed in Japan are well insulated and airtight for energy conservation. However, the indoor environment of these houses can suffer from high humidity in the summer and low humidity in the winter.
Hiroaki Suzuki, Hiroshi Yoshino, Kenichi Hasegawa, Huibo Zhang and Ayaka Iwata
In Korea, in 2006, the building regulation was revised to apply 0.7 ACH (Air Change Rate) ventilation systems to improve indoor air quality in residential apartment housing.
Nam Chul Seong, Sung Min Hong, Dong Won Yoon
Although theoretical studies show that energy use for ventilation purposes can be reduced by more than 50% with DCV compared to CAV, evaluation of real energy use demonstrates that this potential is seldom met.
Mads Mysen, Peter Schild, Finn Drangsholt
When it comes to natural ventilation performance for large space cooling during summer time or intermediate seasons, double skin facade(DSF) integrated with cross ventilation(CV) exhibits more energy efficiency than single-side ventilated DSF.
Won-Jun Choi, Jae-Wan Joe and Jung-Ho Huh
The effects of roof window on ventilation flow rates and reduction of cooling loads in densely populated areas were investigated by using building simulations.
Masaaki Ohba, Kenji Tsukamoto, Takashi Kurabuchi and Toshihiro Nonaka
Cross-ventilation is regarded to be beneficial control method to obtain thermal comfort in a hot summer without using mechanical devices. Since it is complicated flow phenomenon, details of flow characteristics have not been sufficiently known.
Hisashi Kotani, Tomohiro Kobayashi, Kaori Asai, Yasue Tanaka, and Yasuhiro Shiozaki
Korean government established a target to reduce greenhouse gas (“GHG”) emissions to 30% by 2020 to cope with the United Nations Framework Convention on Climate Change (UNFCCC) and secure its national competitiveness, and prepared a roadmap to dev
Yong-Sang Yoon, Sun-Hye Mun
Reduction of infiltration in the Equinox House, a residence under construction in Urbana Illinois, has been characterized through a series of blower tests as different joints and seams in the building were sealed.
Ty Newell, and Paul W. Francisco
The objective of this paper is to present a new method for estimating effective flow areas not only in the external wall of a house but also in the internal walls between rooms using only one type of tracer gas.
Koji Fujita, Ken Iwamoto, and Takayuki Matsushita
Museum showcases represent a peculiar confined space were ventilation and indoor climate conditions play an important role.
Marco Perino and Chiara Bonvicini
It is foreseen that the 2012 version of the French regulation will include a minimum requirement for the envelope airtightness of residential buildings, with two options to justify its treatment: a) measurement at commissioning or b) adoption of a
F.R. Carrié, S. Charrier, V. Leprince
In Japan, natural ventilation through large openings has been used for cooling in summer and medium season. However, air conditioner has become popular recently, because it is hot and humid in summer in most parts of Japan.
Hiromi Habara, Shigeki Nishizawa, Hisashi Miura, Akinori Hosoi, and Takao Sawachi
In this study, an attempt is made to define building design variables for a medium-sized office building with individual office cells in order to provide sufficient summer comfort without active cooling in a moderate climate.
Wout Parys, Dirk Saelens, Hugo Hens
A mathematical model that reproduces fungal proliferation and morphological colony formation was developed on the basis of a reaction diffusion modeling approach.
Kazuhide Ito
In this paper, we created the CFD parts of four-way cassette type outlets for predicting easily the thermal environment of an office with packaged unit air-conditioning systems.
Hidekazu Tanaka, Masashi Imano, Yuzo Sakamoto
The paper presents a study on the thermal behavior of a solar greenhouse set against one apartment of a residential eco-sustainable building in a temperate climate.
Elena Bigelli, Luca Guardigli, Debora Venturi
An isothermal CFD study was made of a building perpendicular to the wind direction. The building was modelled with a closed façade, and consecutively with one and multiple openings.
S. Leenknegt, B. Piret, A. Tablada de la Torre, D. Saelens
Recently, the hybrid air-conditioning system that used natural ventilation together with a mechanical air-conditioning was proposed.
Eunsu Lim, Toshio Yamanaka
This study analyzed the effect of intermittent operation of ventilation system on changes of indoor air pollutants' levels through field measurements.
Cheol-woong Shin, Hyung-Jun Kim, Jun-seok Park
This research, based on Computational Fluid Dynamics (CFD) analysis, focuses on the wind characteristics and the ventilation performance in the consecutive street canyons produced by various building complex configurations.
Byoungchull Oh, Ryozo Ooka, Takeaki Katsuki and Hideki Kikumoto