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Engenharia Sanitaria e Ambiental

versão impressa ISSN 1413-4152

Resumo

LOPES, Ney Procópio; LARA, Márcia  e  LIBANIO, Marcelo. Measuring air volume in household pipes by means of a pilot scale study. Eng. Sanit. Ambient. [online]. 2011, vol.16, n.4, pp. 343-352. ISSN 1413-4152.  http://dx.doi.org/10.1590/S1413-41522011000400005.

The purpose of the present work is to evaluate the volume of air measured in domestic water supply pipe connections. Tests were performed to evaluate the efficiency and applicability of air reducing valves in domestic water supply connections. The results obtained under regular water supply conditions showed that the volume of air in the water measured by the hydrometers is comparable to the one found in natural waters. On the other hand, other tests, right after emptying the network connected to the domestic water supply pipe, revealed that the volume of water which gets to the gauged reservoir comprehends up to 21% of the total air-water volume recorded by the hydrometer for the experiments performed under pressure of 500 kPa.

Palavras-chave : water consumption; household water consumption; water supply system.

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