LoginThe interaction of turbulent plumes is examined in the context of building ventilation flows. Recent models for natural ventilation have been based on simplified treatment of the heat sources in a ventilated enclosure.
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.
Access to the publications is free of charge.
The basis for room air distribution solutions in ventilating and air conditioning rooms is the calculation of velocities in air jets from supply outlets. To calculate velocities, the C-value of the air outlets must be known.
Wind approaching a building provided with openings on the windward and leeward sides has a choice, either it flows through the openings or flows around and above the building.
A Comparison of CFD and Full-scale Measurements for Analysis of Natural Ventilation | 2006 | English
CFD modelling techniques have been used to simulate the coupled external and internal flow in a cubic building with two dominant openings.
This paper deals with tomographic techniques for two-dimensional spatially resolved concentrationmeasurements indoors. This represents a significant advance over the traditional point measuring method for mapping tracer gas and pollutants.
A method for estimating the time-varying intensity of emitting sources of a gaseous contaminant inventilated enclosures is proposed in this numerical study.
Chenvidyakarn et al (2004a) investigated the natural ventilation of an occupied open-plan space, which was connected to an exterior through two stacks and a low-level vent.
A wind catcher/tower natural ventilation system was installed in a seminar room in the building of theSchool of Construction Management and Engineering, the University of Reading in the UK.
The present Ventilation Information Paper aims to present the basic knowledge on the use of earth to air heat exchangers. The increased need for air conditioning has made alternative passive and hybrid cooling techniques very attractive.
Ventilation standards and guidelines typically treat ventilation as a constant and specify its value.
There is a wide range of factors that influence natural ventilation. The uncertainties arising from theunpredictable nature of wind lead to the need to account for periods of time when winds are unable to provide indoor summer comfort.
This paper presents results of CFD simulations of flow around and through a cubic building with symmetric openings on two opposite sides.
The design protocol for wind-driven cross ventilation in buildings should include two processes, namely the determination of required ventilation rate to reduce the room temperature and the prediction of the ventilation rate resulting from the arr
In this study, the evaluation of cross ventilation is presented based on the simultaneous analysis of inside and outside conditions and for wind directions other than 0 degrees (i.e.
This paper describes the classical approach for calculation of wind driven airflow through large openings in buildings and discusses the fulfilment of the limiting assumptions.
Internal pressure coefficients in a building with wind-driven cross-ventilation caused by sliding window openings on two adjacent walls are presented and compared with previous works.
A study was performed on the effects of porosity on discharge coefficient and airflow characteristics under the condition where uniform approaching flow directly faces to and enters the opening by using wind tunnel experiment and CFD analysis.
In the case of cross ventilation through a large opening, it is well known that the inflow direction at the opening is not normal to the opening.
Macroscopic methods of building ventilation analysis developed in the past fifty years have proven to be accurate and thus useful for purposes of single- and multi-zone building infiltration, air quality, smoke spread, thermal comfort, and integra
It is known that discharge coefficients vary with wind direction and opening position. The local dynamic similarity model of cross-ventilation can select discharge coefficients on this basis.