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Wyszukujesz frazę "Matula, J." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Oil pipeline leak detection using GPR method - simple case study
Autorzy:
Fąfara, Z.
Lewandowska-Śmierzchalska, J.
Matuła, R.
Powiązania:
https://bibliotekanauki.pl/articles/299301.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
pipelines
leak detection
GRP method
computer simulation
finite element modelling
Opis:
Modelling experiment was used to investigate the abilities of using ground penetrating radar (GPR) to detect oil leaks in the underground pipeline system. Leaks not only waste precious natural resources but also create substantial damage to the transportation system within urban environments. Surface geophysical methods are noninvasive tools used to characterize the changes in the physical properties of the subsurface material. This characterization, in consequence, is used to interpret the geological and hydrogeological conditions of the strata. GPR is a reflection-based technique which uses high frequency electromagnetic waves to acquire subsurface information. GPR responds to changes in electrical properties, which are a function of soil and rock material and moisture content. A simple experiment was conducted to determine the validity and effectiveness of GPR technology in detecting leakage in metal pipelines. Initially, a prototype model was designed to simulate a pipe leak. A 1.5 GHz antenna modeling mode was used to collect GPR data. The test was modelled using sandy soil material that is representative for pipelines construction. Also model simulations are being used to select an appropriate equipment configuration (frequency band, type of antenna and real-time imaging software) prior to data acquisition.
Źródło:
AGH Drilling, Oil, Gas; 2018, 35, 1; 165-171
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Recent developments of non-direct methods of pipeline and leak detection
Autorzy:
Fąfara, Z.
Lewandowska-Śmierzchalska, J.
Matuła, R.
Lewińska, P.
Powiązania:
https://bibliotekanauki.pl/articles/298717.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
non-direct methods
pipelines
leaks detection
risk management
Opis:
Industrial pipelines are used as a low-cost method of transport of various types of substances. In the last decades the number of transmission and distribution pipelines increased considerably, leading to an increased number of failures and rising the need for better and more accurate non-destructive methods of their detection and prevention. Leakage in pipeline networks causes a loss of valuable resources in the form of oil and gas. Repairing the infrastructure requires significant additional financial resources. Therefore, any damage to the pipeline network must be detected and repaired as soon as possible. Indirect methods for leak detection and localization uncover the presents of leaks from outside the pipeline by visual observation or by using appropriate equipment. Pipelines are often underground installations or run for many kilometers in areas where there are no roads, and access is extremely difficult or impossible. The underground occurrence of pipelines makes regular inspection difficult. It is also not possible to examine all pipeline sections simultaneously. Pipeline preventive maintenance or replacement program should be conducted based on detailed assessment of its technical and environmental conditions. Thus, safe and non-destructive techniques are needed, which would allow for pipeline periodical inspection without disturbing their operation.
Źródło:
AGH Drilling, Oil, Gas; 2018, 35, 1; 173-180
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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