Infrared Thermography Based Pipeline Leak Detectionby Gary J. Weil, EnTech Engineering, Inc, St. Louis, United States,
Richard J. Graf, EnTech Engineering, Inc, St. Louis, United States,
Abstract: Computerized Infrared Thermographic pipeline inspection is now a refined and reliable process having been thoroughly proven to be an accurate, cost effective, and efficient technology during a 10 year development and testing process. The process has been used to test pipelines in chemical plants, water supply systems, steam lines, natural gas pipelines and sewer systems. Its non-contact, non-destructive ability to inspect large areas from above ground with 100% coverage and to locate subsurface leaks as well as the additional capability to locate voids and erosion surrounding pipelines make its testing capabilities unique. This paper will detail the development of computerized infrared thermographic pipeline testing along with case histories illustrating its implementation, problems and successes.
Subject Headings: Pipe leakage | Imaging techniques | Buried pipes | Thermal effects | Gas pipelines | Water pipelines | Computing in civil engineering | Chemical processes
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