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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.

Volume content
Design Method of Vertical Ventilation with Wind Chimney on Roof Driven by Wind and Buoyancy

The calculation system for vertical ventilation with wind chimney on the roof driven by wind and buoyancy is presented and the necessary data is measured.…

Toshio Yamanaka, Hisashi Kotani, Yoshihisa Momoi, Kazunobu Sagara, Tomohiro Kobayashi and Yuka Komatsu
Prediction of Heat Emission Effect at Small Single-sided Openings in Apartment Houses

In this study, we propose a method for forecasting heat emission effect in a small single-sided slit opening. In order to make a heat flux forecasting model…

Ayako Nishimura, Masashi Imano, Kei Ogino, Keigo Nomura,Yuzo Sakamoto
Energy Saving Potentials of Dedicated Outdoor Air System in High-rise Apartment Buildings

The main thrust of this paper is to investigate the optimized supply air condition and energy saving potentials of a dedicated outdoor air system (DOAS)…

Kim Min-Hwi, Kim Jin-Hyo, Kwon Oh-Hyun, Seok Yoon-Jin, Jin Jeong-Tak, and Jeong Jae-Weon
Development of a heat pump system with the heat source network model using solar, ground and air heat source

In this research, a heat pump system with a heat source network is suggested which utilizes outdoor air heat, solar heat and ground heat as heat source for…

Yujin Nam, Shinsuke Kato, and Ryozo Ooka
Calculation of Dehumidification Coefficients for Numerical Simulation of Desiccant Wheel

In the previous study, a numerical method which simulates combined heat and moisture transfer process in solid desiccant materials was investigated. The…

Yoshihisa Momoi, Ryuichiro Yoshie, Akira Satake, and Hiroshi Yoshino
Measured Duct Leakage and Resulting Envelope Pressure Differences

As concern about IAQ has increased, forced-air distribution systems are being viewed as a potentially important factor in preventing the transport of indoor…

Paul W. Francisco, Scott Pigg, Collin Olson, and Bob Davis
A Study on Incomplete Ventilation in High-Rise Residential Buildings

Guideline for ventilation to improve indoor air quality in apartment housings in Korea was recently enacted and natural or mechanical ventilation system has…

Jungmin Seo, Sungmin Yoon, Joonghoon Lee and Doosam Song
Case-Control study for the Association Between Indoor Environmental Factors and Children’s Health Problems in Japan – Part 2 Results of Measurements during Rainy Season and Winter

In order to clarify the association between indoor environmental factors and children’s health problems, indoor air quality was investigated during the…

Hamada Kensuke, Yoshino Hiroshi, Hasegawa Kenichi, Abe Keiko, Ikeda Koichi, Kato Noriko, Kumagai Kazukiyo, Hasegawa Ayumi, Mitamura Teruaki, Yanagi U, Matsuda Asako, Takamatsu Mari, Ando Naoya
Case-Control study for the Association Between Indoor Environmental Factors and Children’s Health Problems in Japan-Part1 a nationwide questionnaire study among 1664 primary school students.

Recent studies show the number of people affected by biological contaminants have increased every year in Japan. An epidemiological investigation on 4th and…

Ando Naoya, Yoshino Hiroshi, Hasegawa Kenichi, Abe Keiko, Ikeda Koichi, Kato Noriko, Kumagai Kazukiyo, Hasegawa Ayumi, Mitamura Teruaki, Yanagi U, Matsuda Asako, Takamatsu Mari, Hamada Kensuke
A Study on the field survey of the IAQ in the childcare center

Child care center, one of the public facilities, has recently been increased. It is because of the government's childbirth policy. In particular, infants…

Jung Ha Park, Jin Chul Park and Eon Ku Rhee
Rotary heat exchanger model for control and energy calculations

Rotary heat recovery exchangers are widely used in ventilation systems, and the units are known for their high efficiency and almost maintenance-free…

Bjørn R. Sørensen, and Raymond Riise
A study on eco friendly furniture for mitigation of the indoor air pollution

Furniture can raise indoor air contaminants with toxic emissions of VOC and formaldehyde.. While furniture is classified as a subject of safety and has…

Hyunsun An, and Yungyu Lee
A Study on Indoor Environments Made by Thin Line Type Ventilators in Apartment Houses

Total heat recovery type ventilators that are connected to each room with ducts are mainly installed in Korea, but they raise concern over duct pollution.…

Hyun-Jae Chang, Keun-Je Cho, Tae-Hwoan Choi
Numerical prediction of particle transport passed through ventilator by CFD with Lagrangian method

The use of CFD technique for predicting the properties of airflow fields and particle movement is effective to carry out parametric study intended for a…

Nguyen Lu Phuong, Kazuhide Ito, Shigeki Onishi
Distribution of CO in 30 Homes with Unvented Gas Fireplaces

As part of a field measurement project of unvented gas fireplaces in 30 homes, portable carbon monoxide sensors were located in several places in each home…

Paul W. Francisco, Jeffrey R. Gordon, and William B. Rose
Experimental method for determining removal efficiency of house dust by mechanical ventilation

Biological contamination has recently become an important issue in the residential indoor environment. In fact, one of the leading causes of allergic…

Kurihara Genta, Yoshino Hiroshi, Yonekura Hiroshi, Takaki Rie, and Lu Yang
Health Hazards in Indoor Air

Indentifying pollutants that pose a potential hazard indoors is an important first step to reducing risks. We reviewed key published studies reporting…

Jennifer M. Logue, Max H. Sherman, Brett C. Singer
Exposure Risk Assessment by Coupled Analysis of CFD and SIR model in Enclosed Space

The indoor environment can play a significant role in the transmission and exposure of various contaminants. In some emerging aerial infections, such as…

Takayuki Fukuoka, Kazuhide Ito
Numerical Prediction of Airflow and Temperature Distribution in Large-Scale Agricultural PVC Greenhouse

Large-scale greenhouses are usually adopted to control the indoor climate conditions in agriculture. The envelope of agricultural greenhouses generally…

Keita Hattori and Kazuhide Ito
Year-round Energy Saving Potential for a Stratum Ventilated Subtropical Office

Stratum ventilation has been proposed to cope for elevated indoor temperature recommended by governments in East Asia. TRNSYS is used for computation of the…

Lee C.K. , Lin Zhang, Fong K.F.
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