the technique used to control the airflow is based on the electro-hydrodynamic actuator which is also called plasma actuator. this actuator ensures the airflow control thanks to the electric wind created by the electrical corona discharge. this ionic wind is developed at the profile surface tangential to the initial free airflow so that it has a significant effect on the boundary layer flow. th...

We describe three patients with bronchiolitis obliterans seen at our hospital during the last two years. Their ages were 25, 49 and 69 years. One developed the disease secondary to a probable viral infection, another inhaled fumes, and the third was exposed to unknown precipitating factors. Lung biopsy showed changes compatible with bronchiolitis obliterans in the first two, while in the third,...

the natural ventilation is an easy way to exchange the indoor polluted warm air with outdoor fresh air. the wind power injects outdoor fresh air into the building. a good indoor air current and subsequently a proper exhaust depend on the openings’ conditions and their situations. a serious architectural question is under what conditions of the openings the wind-cross ventilation can be effectiv...

An airflow window has great potential for conserving energy and improving indoor air quality in residential buildings. Existing airflow windows use a single airflow path, and their energy performance can be studied using several computational models. A dual-airflow window with triple glazing can conserve more energy than a singleairflow window, because the former works like a cross-counterflow ...

BACKGROUND Over the past few decades, evidence has emerged suggesting that nasal airflow asymmetry and brain asymmetry are linked. The nose exhibits asymmetrical airflow, with the dominant airflow alternating from one nasal passage to the other over a period of hours. Some authors have suggested a correlation between cerebral hemisphere dominance and nostril dominance. Others have proposed an a...

An appropriate estimate of a building airflow network, which consists of infiltration and interzonal airflow, is important when determining indoor air quality, energy use, and for detecting contaminants. The objective of this study was to estimate the airflow network of a commercial building using CO2 as a tracer. CO2 is naturally present in the environment and is generated inside buildings by ...