دانلود رایگان مقاله آنالیز اندازه گیری آزمایشگاهی و نظارت بر سیستم شبکه لوله آب مقاوم

Abstract

Case study of corrosion failure of urban water supply system caused by environmental factors was presented. Nowadays corrosion monitoring of water distribution systems is an object of major concern. There is possibility of application broad range of techniques like gravimetric and electrochemical. Both kinds of techniques can be applied in laboratory and field conditions. In many cases researches limit the case analysis to measurements in laboratory conditions. Presented work contain critical analysis of results obtained in laboratory and field conditions based on corrosion monitoring of three pipelines systems failure in Krakow.

4. Conclusions

On the basis of the research conducted, the following conclusions can be drawn:
Implemented automatic monitoring systems can significantly reduce number of failures caused by corrosion.
The results of corrosion rate obtained in laboratory conditions are strictly dependent on the time of sample water collection, the state of working electrode and flow conditions during measurements.
The corrosivity of water provided from the surface intake cannot be only connected with a change in water temperatures, but also with the oxygen content and other environmental conditions like existence of acid rain or surface run off.
Monitoring system can provide much more accurate and sensitive to changing environmental conditions results than laboratory measurements.
A reduction in the corrosion rate improves the quality of water and its chemical parameters fall within the standard range for water intended for consumption.