Перегляд за автором "Orel, R. P."

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  • Зображення мініатюри
    Публікація
    Detection of "Wall Thinning" Type Defects in Pipelines by Thermal Method
    (Eskisehir Technical University, 2019) Orel, R. P.; Meshkov, S. M.; Storozhenko, V. O.; Myagkiy, O. V.
    A thermophysical model of a pipe with a local defect of the “wall thinning” type is developed. Calculations of thermal anomalies for pipelines with different parameters of hidden defects are performed, illustrating the possibility of using the thermal method of nondestructive testing. The conditions and methods of thermal control of individual sections of pipelines are specified. Thermal imaging examination of steam pipelines of the main condensate of the nuclear power plant was carried out. External factors that make it difficult to detect hidden defects (the influence of external lighting, cylindrical shape of controlled objects, powerful external heat sources) are analyzed. It was found that cavitation phenomena significantly increase the temperature drop in the locations of local defects. The possibility of using the thermal method of nondestructive testing for rapid detection of hidden defects such as “wall thinning” in the pipelines of the main condensate has been confirmed experimentally.
  • Зображення мініатюри
    Публікація
    Filtering of interference of inhomogeneous regular structure in thermal non-destructive control of cellular structures
    (Eskisehir technical university, 2021) Storozhenko, V. A.; Myagkiy, A. V.; Orel, R. P.
    Honeycomb constructions are the most widely used materials in contemporary aviation and space technology. They are the basis for the housings of practically all products of this sector, where reliability of all parts should meet the in-creased requirements. Special attention is paid to the quality of composite materials and to the absence of defects such as the places of adhesion failure (exfoliation) between the skin and the honeycomb filler. Therefore, increase in the efficiency and reliability of thermal flaw detection, based on in-depth analysis of the processes of detecting defects and development of the principles of optimization of both the procedure of control and subsequent processing of the obtained information, is an important and relevant task.
  • Зображення мініатюри
    Публікація
    Thermal Control for Metal Condition Testing in Pipelines of Nucltar Power Plant
    (2017) Meshkov, S. M.; Orel, R. P.
    The thermographic examination results of nuclear power plant high pressure pipelines and main condensate pipelines are considered. The conditions and technique of several sections thermal control are specified. It is found, that cavitation defects have a "heat trace". The use of thermography as an effective express-control method for quick determining the temperature anomalies space for a detailed study of other methods is proposed