LoginIn order to reconsider the ventilation requirment in office environment and air environmental indices to determine it, field measurements were carried out.
Bibliographic database Airbase
AIRBASE is the Bibliographic Database of the AIVC. It contains publications and abstracts of articles related to energy efficient ventilation. Where possible, sufficient detail is supplied in the bibliographic details for users to trace and order the material via their own libraries. Topics include: ventilation strategies, design and retrofit methods, calculation techniques, standards and regulations, measurement methods, indoor air quality and energy implications etc. Entries are based on articles and reports published in journals, internal publications and research reports, produced both by university departments and by building research institutions throughout the world. AIRBASE has grown and evolved over many years (1979 to present day, over 22000 references and 16000 documents available online). For most of the references, the full document is also available online.
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This paper presents a numerical study of instationary three-dimensional flows.
The computer-aided ventilation system design requires the programming of a large number of empirical tables and observations on the use of mathematical expressions which describe numerous ventilation parameters.
The advancement of tracing techniques enabled the problems associated with local and general ventilation in industrial premises to be tackled with accuracy.
Ventilation by displacement is described in terms of ventilation efficiency and quantified by means of a two-zone flow and diffusion model.
Too high a concentration of certain gases (e.g. water vapour, carbon dioxide, tobacco smoke, alcohol, etc.) in public buildings can damage the health. Even low concentrations can cause discomfort and make the room air seem unpleasant.
The Sick Building Syndrome (SBS-syndrome) as defined by a WHO working group is discussed, and the existence of a sub syndrome is postulated, based on observations reported in the literature.
Air qulaity measurements along with airflow rate measurements of air conditioning system were conducted in an office building occupied by workers with clerical activities.
Laboratories with chemical fume hoods can have HVAC systems designed for variable air volume (VAV) for the optimum in safety and cost savings. Various VAV designs are discussed with their associated advantages and disadvantages.
Describes an investigation to show that the hourly, daily and monthly energy needs of simple buildings can be estimated using only limited available weather data for the location.
Reports a one-day seminar addressing 'The character and control of indoor air pollution', involving experts from both the public and private sector. Summarises the problems, the pollutants involved and some possible solutions.
Notes reasons for reducing dust concentrations in rooms - allergic reaction to pollens and mould spores, etc., plus the fact that viruses and bacteria and some substances causing smells are often attached to dust particles.
Notes increasing complaints in Germany with the use of air conditioning and mechanical ventilation systems, despite them creating an indoor climate meeting the stipulations of German standard DIN 1946.
This paper describes part of a research programme on energy consumption in the Polish building sector.
This note arises from work to identify the effectiveness and cost of remedial treatments for condensation and mould problems in housing.
Discusses the natural ventilation of the Paintings Room of Altamira Cave, in Spain. The radon-222 concentration was measured by scintillation cells of capacity 500 cm3.
A large number of multifamily buildings have mechanical exhaust air ventilation. The control of such systems' function is often inadequate and adjustment is rarely carried out.
Discusses two main methods of fan-assisted air supply to a room - mixing ventilation and displacement ventilation.
Gives a history of the development of air conditioning, and displacement ventilation in particular.