A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Using task ambient system to improve comfort and productivity in office buildings
Ventilation and thermal conditions inside a building are among the primary factors determining human health, comfort and well-being. They cause different effects on the human body through the physiological effect of air purity and motion, and indirect effect through their influence on the temperature and humidity. Uniform, stable and neutral indoor thermal environments are the purposes of heating, ventilating, and air-conditioning (HVAC) systems. The aim is to assure neutral sensation in order to achieve thermal comfort for the occupants. In the last six decades many researches have demonstrated how the thermal environment and the air quality in buildings affect occupants'health, comfort and productivity. As well known thermal dissatisfaction is the major complaint in office buildings, mainly caused by local discomfort. Building occupants are a rich source of information about indoor environmental quality, its effect on comfort and productivity as confirmed by the results of a survey developed by the Center for the Built Environment at the University of California, Berkeley. [Zagreus L. , 2004] The result of this survey confirmed how the almost homogenous environment does not take into account individual preferences in terms of air temperatures, movement and thermal sensation. Cool hands and feet, and warm head discomforts are common complaints in office environments. These localized discomforts of the extremities dictate the overall thermal comfort felt by the occupant, and removing discomfort in these body parts is essential in maintaining whole body thermal comfort. The extremities are vulnerable to discomfort in part because they are uninsulated or relatively uninsulated. However the low clothing levels make it possible to locally heat or cool the extremities in an energy-efficient manner, thereby restoring comfort. The air that reaches the occupant's breathing zone may be of poor quality because has already been mixed with the room air, gaining heat and humidity and being polluted due to emissions of ...
Using task ambient system to improve comfort and productivity in office buildings
Ventilation and thermal conditions inside a building are among the primary factors determining human health, comfort and well-being. They cause different effects on the human body through the physiological effect of air purity and motion, and indirect effect through their influence on the temperature and humidity. Uniform, stable and neutral indoor thermal environments are the purposes of heating, ventilating, and air-conditioning (HVAC) systems. The aim is to assure neutral sensation in order to achieve thermal comfort for the occupants. In the last six decades many researches have demonstrated how the thermal environment and the air quality in buildings affect occupants'health, comfort and productivity. As well known thermal dissatisfaction is the major complaint in office buildings, mainly caused by local discomfort. Building occupants are a rich source of information about indoor environmental quality, its effect on comfort and productivity as confirmed by the results of a survey developed by the Center for the Built Environment at the University of California, Berkeley. [Zagreus L. , 2004] The result of this survey confirmed how the almost homogenous environment does not take into account individual preferences in terms of air temperatures, movement and thermal sensation. Cool hands and feet, and warm head discomforts are common complaints in office environments. These localized discomforts of the extremities dictate the overall thermal comfort felt by the occupant, and removing discomfort in these body parts is essential in maintaining whole body thermal comfort. The extremities are vulnerable to discomfort in part because they are uninsulated or relatively uninsulated. However the low clothing levels make it possible to locally heat or cool the extremities in an energy-efficient manner, thereby restoring comfort. The air that reaches the occupant's breathing zone may be of poor quality because has already been mixed with the room air, gaining heat and humidity and being polluted due to emissions of ...
Using task ambient system to improve comfort and productivity in office buildings
Buchberger, Elena (author) / Fornasieri, Ezio / Buchberger, Elena
2008-01-01
Theses
Electronic Resource
English
DDC:
690
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