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WATER TREATMENT For Domestic Hot‐water Supplies
Anti-Corrosion Methods and Materials, 1958Corrosion and deposition problems arising from either hard or soft supply waters become of increased importance when the water is heated. In this article the nature of scale formation is discussed, also the corrosion of iron pipes and the use of sodium hexameta‐phosphate as a means for minimising the trouble so caused.
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Water conservation in solar domestic hot water systems
Energy Conversion and Management, 1993Abstract The effect of using solar domestic hot water heating systems on water consumption is investigated for different system configurations. Random samples of actual data for water consumption, obtained from the water authority, together with data from solar heating collector manufacturers for systems installed, have been analyzed.
M.A. Hamdan, B.A. Jubran, S. Rimawii
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Domestic Hot Water Heating in nZEB
2019Domestic hot water (DHW) is needed for personal hygiene and washing. In low-energy and passive buildings, energy consumption for DHW water heating can exceed the amount of energy used for heating the building. DHW systems are included in the energy use assessment of the buildings as one of the so-called EPBD (Energy Performance of Building Directive ...
Sašo Medved, Suzana Domjan, Ciril Arkar
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Dynamic Solar Domestic Hot Water Testing
Journal of Solar Energy Engineering, 1990A dynamic test procedure for SDHW systems is presented, which generalizes correlation models to the nonstationary case. It is shown that testing can be performed with an accuracy comparable to stationary models. The dynamic procedure is more flexible in testing, since any load and radiation profiles are explicitly taken into account including the ones ...
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Unvented domestic hot water storage systems
Structural Survey, 1989Introduction Changes to the UK's Model Water Byelaws will permit, subject to their adoption by the regional Water Authorities, the use of hot water storage systems of more than 50 litres capacity which are connected directly to the mains water supply (storage systems of less than 50 litres are exempt from the Building Regulations), removing the need ...
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Energy performance of domestic hot water systems
2017Residential sector consumes 70 % of the district heat. The domestic hot water system consumes 27 % of the total thermal energy consumption in these buildings in Riga. According to the mandate of the European Committee for Standardization (CEN) European standards for assessment of the energy performance of buildings have been developed.
Grasmanis, Dzintars +2 more
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The origins and spread of domestic horses from the Western Eurasian steppes
Nature, 2021Pablo Librado +2 more
exaly