CEN/STAR Workshop on HVAC appliances : 50 european experts define prenormative research needs

CEN/STAR establishes needs for co-normative and pre-normative research in support to CEN standardization. A workshop took place in CETIAT (France) on 23-24 january 2003, its aim was to provide an overview of the trends of research and future standardization for HVAC appliances and to define the needs for pre-normative or co-normative research and interaction with standardization works.

Fire risk assessment of catering extract ventilation

In the UK, the pressure to improve fire prevention in catering establishments has for some years come largely from the insurance industry. Kitchen operators needed to better manage their extract ventilation systems. All cooking equipment forms a potential source of ignition. BSRIA has then compiled a document presenting a method for fire risk assessment of catering extract ventilation.

Heating systems : energy savings and better comfort Heizen mit System : Energieeinsparung und Komfortgewinn

The article describes the advantages of heating designed as a system. It shows (among others) the features of balanced ventilation systems with heat recovery and compact ventilation appliances (heat recovery from ventilation exhaust air through a heat exchanger and a heat pump, to provide warm fresh air and domestic hot water).

Heating and cooling with building elements Mit Bauteilen kühlen und heizen

A low energy office building in Frankfurt (Germany) with water heating/cooling from ceilings was submitted to detailed measurements during two years, in the frame of a demonstration project. Results are given showing thermal comfort and energy consumption data.

Sound attenuation possibilities in ventilation and air conditioning systems Möglichkeiten der Schalldämpfung in der Lüftungs- und Klimatcehnik

Fan is a source of noise in ventilation and air conditioning systems. The article provides information about noise emission from different types of fans and the ways to attenuate it, using different types of silencers, including passive and active silencers, or combination of both.

Low winter humidity indoors has a negative effect on the performance of office work

Thirty subjects (17 female) were exposed for 5 hours in a climate chamber to clean air at 5%, 15%, 25% and 35% RH at 22 °C, in balanced order. Another 30 subjects (15 female) were similarly exposed to air polluted by carpet and linoleum at 18, 22 and 26 °

Measurement of the air quality in hospitals Messung der Luftqualität im Krankenhaus

This article shows results of air quality measurements (airborne moulds, microbes and particles) operated in summer and winter in an hospital in Japan.

The performance simulations of double-skin façade in office building with hybrid ventilation system

In this study the performance of a double-skin façade in an office building equipped with a hybrid ventilation system was analyzed. The hybrid ventilation system studied was based on a low-pressure mechanical exhaust system and demand control of ventilati

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