Abstract:The electrochemical inhomogeneities of steel wires within a steel/copper alloy couple immersed in static and flowing seawater were studied by the wire beam electrode (WBE) technique, and the variations of the main anodic area of steel wires were discussed. It showed that the potential and current density distributions of steel wires in both static and flowing seawater were inhomogeneous while the electrochemical inhomogeneities of steel wires immersed in flowing seawater were significantly reduced. The main an… Show more
“…These results demonstrate that the WBEs were able to simulate the steel coupon in FAC and erosion corrosion behaviour under flowing conditions [138–141]. Variously designed electrode arrays have also been used to study erosion-corrosion behaviour of pipeline elbows [142,143], the effects of corrosion inhibitors [144], and corrosion in flowing seawater [145], and various factors affecting marine corrosion [146], and to probe multi-phase corrosion that occurs at waterline, i.e. the interface of liquid and air phases [9,147–150], Figure 11 Schematic diagram of the setup for FAC and EC experiments (a) and the dimension of the three blades propeller [138,139].…”
Section: Electrode Array Probes Designed For Various Applicationsmentioning
Since the electrochemically integrated multi-electrode array, often referred to as the wire beam electrode, was initially developed for corrosion studies in 1990s, remarkable progresses have been made in its applications for probing and monitoring various forms of localised corrosion that are difficult-to-measure by conventional methods. This paper provides a brief overview of diverse and innovative applications of variously designed and constructed electrode array probes for measuring localised corrosion under complex environmental conditions with particular focus on the discussion of challenges and obstacles that prevent wider applications of electrode arrays. Discussion on future perspectives have included suggestions on the innovative design and fabrication of multi-scale, three-dimensional, complex shaped and patterned electrode arrays for simulating microstructural features of heterogeneous alloys and thoughts on the future integration of corrosion monitoring data and data analytics, machine learning and artificial intelligence for future prediction, modelling and prevention of corrosion in industrial applications.
“…These results demonstrate that the WBEs were able to simulate the steel coupon in FAC and erosion corrosion behaviour under flowing conditions [138–141]. Variously designed electrode arrays have also been used to study erosion-corrosion behaviour of pipeline elbows [142,143], the effects of corrosion inhibitors [144], and corrosion in flowing seawater [145], and various factors affecting marine corrosion [146], and to probe multi-phase corrosion that occurs at waterline, i.e. the interface of liquid and air phases [9,147–150], Figure 11 Schematic diagram of the setup for FAC and EC experiments (a) and the dimension of the three blades propeller [138,139].…”
Section: Electrode Array Probes Designed For Various Applicationsmentioning
Since the electrochemically integrated multi-electrode array, often referred to as the wire beam electrode, was initially developed for corrosion studies in 1990s, remarkable progresses have been made in its applications for probing and monitoring various forms of localised corrosion that are difficult-to-measure by conventional methods. This paper provides a brief overview of diverse and innovative applications of variously designed and constructed electrode array probes for measuring localised corrosion under complex environmental conditions with particular focus on the discussion of challenges and obstacles that prevent wider applications of electrode arrays. Discussion on future perspectives have included suggestions on the innovative design and fabrication of multi-scale, three-dimensional, complex shaped and patterned electrode arrays for simulating microstructural features of heterogeneous alloys and thoughts on the future integration of corrosion monitoring data and data analytics, machine learning and artificial intelligence for future prediction, modelling and prevention of corrosion in industrial applications.
“…It is assumed that 𝜎 𝑚 = [𝜎]. According to the thin shell buckling theory, the buckling critical load 𝑃 𝑐1 of a spherical pressure-resistant shell can be expressed by Zolley's equation [11] .…”
This paper describes a long-range, real-time monitoring and positioning float system based on STM32, which is used to monitor the position information of the equipment in marine engineering. The system adopts a solar power supply to replenish power for the system. It combines the charging control circuit and battery protection module to build a power management module to dynamically adjust the power supply strategy and the system load to realize the long-term operation of the system. Through the LoRa module, the information collected by the pressure sensor, temperature sensor, and GPS positioning module is transmitted to the remote console to realize real-time data collection, sending, and ringing. Finally, the system was tested. The experimental results show that the real-time monitoring float system solves the problem of difficult positioning of equipment and other equipment in marine engineering after falling into the sea. It reduces the difficulty of searching for marine equipment and provides more effective information for marine search and rescue.
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