AIVC - Air Infiltration and Ventilation Centre

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TN 57: Residential Ventilation

Ventilation is required to provide to remove or dilute pollutants and incidentally meets metabolic oxygen requirements for occupants. In addition ventilation may also be required to provide oxygen for combustion devices and as a means of summer cooling.

TN 56: A review of international literature related to ductwork for ventilation systems

Ductwork is used for transport of air used for ventilation or air conditioning in buildings. The supply air is typically conditioned (filtered, warmed or cooled, sometimes humidified or dehumidified). It is important that the air is distributed properly in the building. Thus the duct system must be well balanced regarding airflow rates, or have provisions controlling the air distribution. The ducts should have a low leak rate. A primary function is also thermal insulation to protect the heat content of the air.

TN 55: A Review of International Ventilation, Airtightness, Thermal Insulation and Indoor Air Quality Criteria

This review attempts to summarise available airtightness, minimum ventilation rate and indoor air quality requirements, standards, codes of practice and regulations. It also attempts to determine the nature and type of thermal insulation requirements and the rationale behind the data outlined in this report. Attempts have also been made to normalise the data, where appropriate to enable comparisons to be undertaken.

TN 54: Residential Passive Ventilation Systems: Evaluation and Design - A Critical Evaluation of the Potential for Adapting European Systems for use in North America and Development of a General Design Method

Infiltration has long served the residential ventilation needs in North America. In Northern Europe it has been augmented by purpose-provided natural ventilation systems - so-called passive ventilation systems - to better control moisture problems in dwellings smaller than their North American counterparts and in a generally wetter climate.

TN 53: Occupant Impact on Ventilation

In recent years a substantial number of monitoring exercises have been made to determine the way in which occupants react to and/or are affected by the indoor environment. These cover a diverse range of aspects including:

  • indoor air quality;
  • moisture and condensation;
  • radon ingress;
  • the build up of pollutants;
  • energy use;
  • thermal comfort;
  • draughts;
  • the impact of airtightness and reduced ventilation rates;
  • the actions of occupants in controlling their environment.

 

TN 52: Acoustics and Ventilation

The first chapter aims to provide the reader with an overview of the basics of acoustics, which are required as part of the ventilation systems design process. With this knowledge the designer can, with the remaining chapters, apply these principles to providing quiet and effective ventilation in buildings. A detailed analysis of background, components, problems and methods for achieving quiet ventilation systems in buildings.

TN 51: Applicable Models for Air Infiltration and Ventilation Calculations

In recent years, the 'usability' of ventilation and air infiltration models (both public domain and commercially available) has increased greatly. Possible areas of application for 15 such models are identified in this report. (These are mainly 'network' models.) In addition, it discusses the input data that must be provided in order to use them. The capabilities of the models are described and full contact details on how to obtain them are provided.

 

TN 50: Ventilation Technology in Large Non-Domestic Buildings

Current ventilation practice in large non-domestic buildings as well as future trends and developments are all examined in this publication. Examples considered include atria, auditoria, sports halls, enclosed shopping malls and offices. It is intended for designers, architects, building owners, policy makers and researchers.

 

 

 

 

TN 49: Energy impact of ventilation: estimates for the service and residential sectors.

To quantify the energy impact of air change on total energy use, the AIVC has been conducting a study of current estimates for non-industrial buildings in thirteen major industrialised countries. This document explains how air infiltration and ventilation together account for a significant proportion of energy use in buildings. Air change energy use and its effect on carbon dioxide emissions due to use of fossil fuels are considered. The potential for reduced energy use by improved ventilation control is also reviewed.

TN 48: The Role of Ventilation in Cooling Non-Domestic Buildings

As an introductory note, this aims to place the need for cooling for thermal comfort into the context of overall energy efficient building design. Additionally, it stresses the role of ventilation in meeting cooling requirements. Chapters are included on ventilation and cooling requirements; factors affecting cooling load; ventilation and cooling systems; and energy issues in ventilation and cooling, covering space cooling load, plant load and fan energy.

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