Skip to main content

International Journal of Ventilation, Volume 1, 2002-2003

Volume content
A Study of a Mixed Mode Environment in 25 Cellular Offices at the University of Sydney

Twenty five cellular offices in the Wilkinson Building at the University of Sydney, Australia are ventilated through operable windows and doors and have…

Rowe D.
Analysis Methods for Natural and Hybrid Ventilation : a Critical Literature Review and Recent Developments

This paper is based on the results of Subtask B of the HybVent Project. It presents a critical review of the literature and recent developments in analysis…

Li Y., Heiselberg P.
Calculations and Notes on the Quadratic and Power Law Equations for Modelling Infiltration

Calculations using CFD are presented for adventitious openings in which the flow is not fully developed. It is shown that the quadratic equation performs…

Chiu Y.H., Etheridge D.W.
Carbon Dioxide Levels and Summertime Ventilation Rates in UK Schools

Measurements of metabolic carbon dioxide concentration made in four classrooms in two schools are reported for both occupied and unoccupied periods.…

Beisteiner A., Coley D.A.
Carbon Dioxide Levels and Ventilation Rates in Schools

In the following, measurements of CO2 levels in seven classrooms in four schools are reported. Measurements were taken for approximately one week in each…

Coley D.A. ,Beisteiner A.
CFD Modelling of Natural Ventilation: Combined Wind and Buoyancy Forces

Results of a CFD simulation of the wind-assisted stack ventilation of a single-storey enclosure with high and low-level ventilation openings are presented…

Cook M.J., Ji Y., Hunt G.R.
Control of Hybrid Ventilation Systems

The paper presents examples of hybrid ventilation and control strategies in office and educational buildings from the IEA ECBCS Annex 35 HybVent case…

Aggerholm S.
Estimating Wind Frequency for Natural Ventilation at Remote Sites

Using the wind pressure difference method to estimate the cross ventilation potentials of a building at a particular site, the appropriate wind frequency…

Aynsley R., Su B.
Experimental Study on Performance Evaluation of Ventilation Systems in a Test House

Ventilation is one of the most important measures to dilute indoor air pollutants. In order to maintain a clean indoor air environment, not only the total…

Hiroshi Yoshino, Joonghoon Lee ,Jun Wada
Fan Size and Energy Efficiency

The use of ceiling mounted circulating fans to provide air movement for cooling in industrial premises and animal houses is particularly essential in warm,…

Aynsley R.
Five Years of Laboratory and In Situ Test Experiences to Verify Thermal Comfort Conditions in an Innovative Hybrid Ventilated Building

Climatisation and natural ventilation concepts are today, in most countries, considered to be an essential aspect of the building project. In fact they are…

Principi P., Di Perna C., Ruffini E.
How to Predict the Air Exchange Efficiency for Hybrid Ventilation Systems

A hybrid ventilation system combines both mechanical and natural ventilation modes. The natural ventilation mode, especially, causes some challenges for…

Gritzki R., Richter W., Rösler M.
Impact of Open Windows on Room Air Flow and Thermal Comfort

In the design of natural ventilation systems, there is a wide range of possibilities with regard to the selection of window type and the positioning of…

Heiselberg P., Bjørn E., Nielsen P.V.
Measurements of Hybrid Ventilation Performance in an Office Building

This paper focuses on hybrid ventilation performance in an office building. It presents measurement results from the new headquarters of the company Bang…

Brohus H.,Frier C., Heiselberg P.
Modelling of a Hybrid-Ventilated Building Using ESP-r

This paper reports the results of computer simulations of a hybrid-ventilated building using ESP-r (Environmental Systems Performance for research). A new…

Jeong Y. , Haghighat F.
Natural vs. Mechanical Ventilation. A Tool to Help Making a Choice

This paper describes the development of a simplified tool which should be used at the early design stage for predicting air ventilation rates in a building…

Fracastoro J.V., Perino M.
Numerical Analysis of Hybrid Ventilation Performance Depending on Climate Characteristics

This study, which formed part of the Annex 35 Hybrid Ventilation in New and Retrofitted Office Buildings project, was completed at LEPTAB and supported by…

Cron F., Inard C., Belarbi R.
Numerical Study of Hybrid Ventilation of Apartments in a Densely- Populated Urban Neighbourhood

The demand for buildings with high quality indoor environments is growing, especially in developing countries, where more and more energy will be consumed…

Liu Y.,Moser A.
Parametric Analysis of Air Flow Through Ventilators

The basic mechanism for natural ventilation in a building involves air flowing through purpose-made ventilator openings. These ventilators must be carefully…

Chilengwe N., Sharples S.
Simple and Cheap Air Change Rate Measurement Using CO2 Concentration Decays

Buildings are aired to evacuate indoor pollutants, in particular those produced by the occupants. CO2 is a good indicator of occupancy, as long as there is…

Roulet C.A., Foradini F.
Showing 1 to 20 of 31. Page 1 of 2