An efficient ventilation system is characterised by a well-organised and turbulence-controlled airstream that rapidly corrects disturbances in air quality and thermal comfort in the ventilated space.Air supply and exhaust conditions are investigat
20th AIVC and Indoor Air 99 Conference - Edinburgh, Scotland - 9-13 September 1999
The 20th AIVC and Indoor Air 99 Conference, Ventilation and indoor air quality in buildings, was held in Edinburgh , Scotland, 9-13 August 1999.
Contains 141 papers
The influence of air supply and exhaust locations on ventilation efficiency and contaminant exposures in rooms. | 1999 | English
Based on concerns about indoor air quality and trends towards tighter envelope construction,there has been increasing interest in mechanical ventilation of residential buildings in the UnitedStates.
Comparison of modelled and measured tracer gas concentrations in a multizone building. | 1999 | English
Few detailed comparisons of modeled ad measured pollutant concentrations in multizonebuildings have been published.
Scale model experiments give possibilities for analyses of the design conceptions of ventilation especially of air distribution in large enclosures.
The ventilation engineer's plan at the design stage could be influenced by many factors. It may also be different from the requirements for the final users of the spaces.
New thermodynamic energy "water potential" based on the chemical potential of a component of mixture gases is defined as the driving force of gaseous phase water flux.
Appraisal of building envelope alternatives in terms of overall physical performance. | 1999 | English
The envelope as fictional building element acts as a filter intended to regulate energy andmass flows. The overall performance of the envelope is ascertained by the combined effects ofthe functional components.
Comparison of indoor air quality between air-conditioned building and naturally ventilated building during heating season. | 1999 | English
Field measurements were made during the heating season to compare IAQ between an air– conditioned building (Building A) and a naturally ventilated building (Building B) situated in the centre of Pyongyang and similar in architectural design, numbe
The energy saving practice of stopping ventilation systems at night may reduce the daytimeair quality.
The improvement of air quality due to self-restricted air consumption in regions as well as globally appears to have considerable promise.
The purpose of this study is to provide a model to facilitate the simulated evaluation of theenergy consumption for different mushroom house and climate set point configurations.Climate management in this application is complex, including control
Three buildings are investigated to study the indoor air quality and the impact of the outdoorair pollution. These buildings, a swimming pool, a school and a nursery are located in anurban area.
Two energy-efficient single-family houses (known as ESPI houses) with competitive overallcosts were set up during the study in Finland.
Rooms with high windows are likely to have comfort problems caused by cold airdowndraught, which are usually solved by placing heating appliances underneath thewindows.
This study aims to introduce a methodology which enables to revise the limit values of overallheat transfer coefficient in accordance with the building form from thermal comfort andenergy conservation point of view.In order to prevent excess heat
Low temperature heating systems: impact on IAQ, thermal comfort and energy consumption. | 1999 | English
The Netherlands Agency for Energy and the Environment(NOVEM) is conducting a program for the implementation of Low Temperature Heating (LTH) systems in buildings. The primary goal is to enable the use of Low Talued Energy as a heating source.
Development of a demand control strategy in buildings using radon and carbon dioxide levels. | 1999 | English
Air change rates, indoor radon and carbon dioxide levels were monitored in a lecture theatre in the Hong Kong University of Science and Technology.
Use of the global warming potential index to evaluate the impact of reducing air infiltration rates in existing houses. | 1999 | English
In a cold climate such as of Montreal the air infiltration through the exterior envelope of a house has a significant impact on the heating energy consumption and cost.
Energy loss due to ventilation: impact of average values and simplifications on calculations. | 1999 | English
The project of CEN Standard from the Ventilation for dwellings group TC156/WG2/AH4 for airflows calculations is being submitted to enquiry.This method can be easily compared to AIVC guides to calculate the ventilation airflow(natural or mechani