A self-powered cathodic protection system using piezoelectric pipe generator based on Kármán vortex and its mathematical model
Source abstract
Abstract
The municipal pipe system is a crucial component in the water supply and drainage infrastructure of a city and acts as its lifeline. However, over time, the municipal pipe network undergoes corrosion because of continuous use even after its service life. Corrosion can result in significant water loss and environmental pollution and is a substantial threat to the overall functionality of the water supply and drainage system. In this study, a pipeline piezoelectric generator (PPG) is used to harness the kinetic energy from water flow. The PPG is designed to convert this flow energy into mechanical vibrations through a piezoelectric cantilever beam. In addition, the piezoelectric effect transforms mechanical vibrations into electrical energy. A rectifier circuit converts an alternating current into a direct current to ensure a stable power supply. Moreover, the principles of cathodic protection are used to thwart any further electrochemical corrosion of the inner wall metal of the water pipes. This innovative approach safeguards the metal pipe network from deteriorating effects over time and facilitates self-adaptive protection.
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Research context
OpenAlex topics: Innovative Energy Harvesting Technologies · Photovoltaic System Optimization Techniques · Solar Thermal and Photovoltaic Systems
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Energy and Environmental Engineering, University of Science and Technology Beijing 1 , 30 Xueyuan Rd., Haidian District, Beijing 100083, China
School of Geography, Earth and Environmental Sciences, University of Birmingham 2 , Edgbaston, Birmingham B15 2TT, United Kingdom
Natural Sciences and Environmental Research Center, Faculty of Sciences, University of Burundi 3 , Avenue UNESCO No 2 B.P 1550, Bujumbura, Burundi
Funding
National Key Research and Development Program of China · Tianjin Research Innovation Project for Postgraduate Students
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