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Azerbegi, Renee; Bradburn, Jim. Whole building approach to water conservation. 2005 SOLAR WORLD CONGRESS, 2005, Orlando, Flórida.
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Dados do autor na base InfoHab:
Número de Trabalhos: 2 (Nenhum com arquivo PDF disponível)
Citações: Nenhuma citação encontrada
Índice h: Indice h não calculado  
Co-autores: Nenhum co-autor encontrado

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Abstract

The population growth in urban areas, especially the arid western states, and the recent drought conditions seen in these areas have increased the demand on our water supplies and highlighted the need for efficient use of water resources. The quantification of water usage in buildings has been far neglected compared to the focus on energy usage in buildings. Much of this is due to the higher cost of energy compared to water in buildings, and the more visible environmental impact caused by air pollution from energy consumption than the environmental problems of water scarcity. However, water and energy usage are intrinsically linked. In addition to the consumption of fossil fuel, energy production can consume up to 18 gallons per kilowatt-hour, depending on the type of power production facility. Mechanical systems can be a significant consumer of a building s water. On site water users include cooling towers, evaporative condensers and evaporative cooling systems trading off electricity consumption for water consumption. The interaction between energy usage and water consumption, back to the power plant level of water consumption is derived. Calculation methods for determining the water usage in plumbing fixtures, irrigation, gray and black water systems, and leaks are also determined. Water savings from efficient water practices such as xeriscape plant selection, high efficiency irrigation technology, low and no water consumption plumbing fixtures, rain catchment systems and more are derived. This paper establishes a methodology for determining water usage in buildings and for calculating savings from efficient water use practices. It also relates water usage to energy consumed at the power plant level for cooling options.
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