European inter-laboratory comparison on VOC emitted from building materials and products

Descibes an inter-laboratory comparison between 18 labs from 10 European countries to improve the procedure used to measure VOC emitted from samples of building materials and products in small test chambers.

Market opportunities for advanced ventilation technology

The document consists in the Proceedings of the 2001 AIVC conference, which took place in in September 2001 in Bath (England). It contains 42 articles corresponding to the speeches given during the Conference.

Ventilation and indoor air quality in buildings

The document consists in the Proceedings of the 1999 AIVC conference, which took place in in August 1999 in Edinburgh (Scotland). It contains 141 articles corresponding to the speeches given during the Conference.

The right to healthy indoor air

This document results from a Working Group set up by the World Health Organization. It formulates a set of statements on the right to healthy indoor air.

Low temperature heating systems - Increased energy efficiency and improved comfort

The brochure describes the main characteristics and advantages of low temperature heating systems. It presents 8 buildings with such systems, briefly describing the building and its equipment.

Displacement ventilation : smart way to deal with increased heat gains in the telecommunication equipment room

This paper gives information about the design of displacement ventilation systems for telecommunication equipment rooms, which need an increasing cooling load because of higher density and new generations of telecommunication systems.

Temperature control and zoning in underfloor air distribution systems

This paper discusses design issues for underfloor air distribution systems : design objectives, air distribution issues, occupants comfort issues, control of interior and perimeter zones.

Potential for natural ventilation in urban context : an assessment method

The natural ventilation potential (NVP) is the possibility, or probability, to ensure anacceptable indoor air quality by natural ventilation only. A passive cooling potential (PCP)can also be defined, as the possibility to ensure an acceptable indoor thermal comfort usingnatural ventilation.

Guidance and tools for chilled ceilings combined with a wet cooling tower

The combination of an open wet cooling tower with chilled ceilings is a CFC free, cheap and low energy cooling solution. The efficiency of this alternative to mechanical cooling is very dependent on climate. There is a need for specific tools to help designers to size the system and to estimate its energy and water consumption. A building simulation tool, called ConsoClim, has been used to predict the performance of this system for different French climatic locations, thermal inertia, internal loads and solar gains.

Field measurement of the airtightness and delivery effectiveness of HVAC duct systems.

This paper presents the results of a field study on five HVAC duct systems in France. The principal objectives of this work were a) to evaluate the extent of duct leakage in those systems; b) to compare design and actual fan flow rates; c) to evaluate the thermal energy losses in the air ducts. The ductwork airtightness, measured by fan pressurisation method, was found to be in general well above the leakiest EUROVENT 2/2 class (class A), yielding unacceptable uncontrolled airflows. Fan airflow rates were measured with the constant injection tracer gas method.

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