Research Article // Holistic management of drinking water and sewerage network in terms of energy production. The case of Larissa city, Greece
By Evangelos Paschalis and colleagues. Hydropower generation systems are of the most common renewable energy systems in the world. The main purpose of this project is to generate power from the outer water pipe network of the city of Larissa, Greece, by harvesting energy that otherwise would be lost.
Fig. 9. Diagram of Pat-KSB turbine selection
Abstract
Renewable power is booming as innovation brings down costs and starts to deliver on the promise of a clean energy future. This means that renewables are increasingly displacing ‘‘dirty’’ fuels in the power sector, offering the benefit of lower emissions of carbon and other types of pollution. But not all sources of energy marketed as ‘‘renewables’’ are beneficial to the environment. Renewable energy, often referred to as clean energy, comes from natural sources or processes that are constantly replenished. Hydropower generation systems are of the most common renewable energy systems in the world, based on the same concept of solar panels and windmills, meaning that such technologies take advantage of resources that already exist in abundance. The essential concept stands for installing water turbines in main pipes of the water network. The flowing water into those pipes could generate energy since it continuously operates, 24 hours per day, all over the year. The main purpose of this project is to generate power from the outer water pipe network of the city of Larissa, Greece, by harvesting energy that otherwise would be lost. The flow of water in combination with altitude difference, results in increasing pressure in the pipe network. The City of Larissa is supplied water from three main water reservoirs, in “Mezourlo”, “Agia Paraskevi”. In our project, the annual water consumption of Larissa City for past years is taken under consideration, in order to theoretically install the three prementioned types of turbines, in pipes with diameter over 500 mm. Those turbines, will be positioned between reservoirs and the city network and they will exploit the pressure as well as the velocity of water. The produced energy is over anticipation and is going to be used to cover electricity needs of company's facilities. At last, an economic analysis provides a clear view of the benefits of such energy production method.
Published
September 2022
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Citation
Evangelos Paschalis, Nikolaos Alamanis, Grigorios Papageorgiou, Dimitrios Tselios, Anna Zahidou, Ilias Boufikos, Holistic management of drinking water and sewerage network in terms of energy production. The case of Larissa city, Greece, Energy Nexus, Volume 7, 2022, 100120, ISSN 2772-4271, https://doi.org/10.1016/j.nexu....
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