Personalized ventilation

Individual differences in preferred air temperature may be as great as 10°C, and preferences for air movement may differ more than four times for the occupants. Personalized ventilation can improve occupants' comfort in so far as thermal discomfort is oft

Analysis and design of micro-climate around the human body with respiration by CFD

This paper first describes the analysis results of flow and temperature fields around the human body.Thanks to various examples, it is made clear that CFD has developed into a very effective and powerful tool for analysis and design of healthy indoor environments.

Computational fluid dynamics and room air movement

This paper analyses the quality level of CFD, different aspects of the boundary conditions of supply openings are considered allong with the prediction of wall jets by different turbulence models.

Productivity and fatigue

New methods were used for that study, to evaluate the factors affecting productivity. Parameters of fatigue were investigated along with task performance.

Effects of temperature and outdoor air supply rate on the performance of call center operators in the tropics

That study was performed in a call center. During nine consecutive weeks, temperature and outdoor air supply rate were combined and introduced to the occupants in a blind intervention approach.Those 2 variables had significant interaction effects on the workers' talk time.

Summary of human responses to ventilation

This paper sums up the knowledge on good and bad effects of ventilation on health and other human responses. The focus is on working environment in offices and residential buildings.

The effects of indoor air quality on performance and productivity

This paper summarizes a series of 10 experiments made in offices in order to quantify the effects of indoor environmental factors on performance. It is possible that those effects of poor indoor air quality, have caused the reduction of performance in office work.
This series is extended to carry out field experiments on air quality in schools.

Sensory pollution sources in buildings

This paper describes how the pollution loads in non-industrial buildings can be quantified by using the olf unit. It also sums up the existing data on the measured sensory pollution loads. Their use seems the most suitable approach for the prediction of ventilation rates required for an acceptable indoor air quality.

Impact of indoor air temperature and humidity in an office on perceived air quality, SBS symptoms and performance

This paper presents the results of a field experiment made on 30 female office workers : they were investigated on their perception of environmental conditions and the intensity of the Sick Building Symptoms if any, at 3 levels of temperature and humidity, and 2 levels of ventilation rate.
The conclusion is that working conditions improved when subjects worked at slightly lower levels of air temperature and humidity.

Dampness in buildings and health (DBH) : report from an ongoing epidemiological investigation on the association between indoor environmental factors and health effects among children in Sweden

The aim of this paper is to identify the link between indoor environmental factors and asthma or allergic symptoms among small children and their parents. That four-phases Swedish study will be lasting from 2000 until 2008 : First step : an epidemiological cross-sectional questionnaire on housing and health involving 14,077 preschool children (2000).Second step : a nested case-control study including 198 children with symptoms and 202 healthy controls.

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