Results 21 to 30 of about 591 (186)
TOFD IMAGING SYSTEM IN NONDESTRUCTIVE TESTS
, 2012 This paper shows how the symbiosis of two disciplines, software engineering and ultrasonic techniques, made possible the development of a nondestructive testing system for TOFD imaging, and it also allowed to make the application of commercial computation tools independent.
Segura, Darío, Rodríguez, Alejandro
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Desarrollo de un sistema ultrasónico TOFD configurable
, 2014 En el presente Trabajo Final de Grado, Desarrollo de un sistema TOFD configurable, se desarrolla un sistema para la aplicación de la técnica de Ensayos No Destructivos TOFD (Time of flight diffraction) o tiempo de vuelo de la difracción, que utiliza señales ultrasónicas, para inspeccionar principalmente material base y ...
Moreno Sánchez, Benigno
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Système de contrôle novateur basé sur la technique UT TOFD
e-Journal of Nondestructive Testing, 2023 Du fait de ses nombreux avantages en termes de facilité de mise en oeuvre, de vitesse d’examen, de performances de détection et de caractérisation des indications, la technique de contrôle TOFD (Time of Flight Diffraction) est de plus en plus utilisée ...
Michel Cence, Weina Ke, Celia Chevallier
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Non-contacted Permanent Magnetic Absorbed Wall-climbing Robot for Ultrasonic Weld Inspection of Spherical Tank [PDF]
MATEC Web of Conferences, 2019 A novel wall-climbing robot for the onsite weld inspecting of spherical tank with Time of Flight Diffraction (TOFD) method has been developed, in order to liberate operators from dangerous and heavy working environment.
Ding Yulin, Sun Zhenguo, Chen Qiang
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PA+TOFD testing by automated UT systems – implementation and applications —
, 2022 Celem referatu jest prezentacja prac wdrożeniowych automatycznych systemów ultradźwiękowych PA+TOFD, dedykowanych do badania doczołowych złączy spawanych o zakresie grubości od 6 do 40 mm na obiektach ze stali węglowych - płaskich oraz na rurociągach w ...
Śliwowski, Marek
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Multi-Mode Total Focusing Method (MTFM) to Detect High-Temperature Hydrogen Attack (HTHA) – A Review
Journal of Materials Exploration and Findings, 2023 High temperature hydrogen attack (HTHA) is a commonly observed harm component in carbon steels exposed to high temperature and pressure in a hydrogen-rich environment. Hydrogen together with carbon responds to produce methane.
Anjar Oktikawati +2 more
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Large‐scale system identification using self‐adaptive penguin search algorithm
IET Control Theory &Applications, Volume 17, Issue 17, Page 2292-2303, November 2023., 2023 This research addresses the non‐linear large‐scale system identification problem under the consideration of two systems: bilinear system and Volterra system as the large‐scale system identification. This work proposes a novel algorithm, called Self Adaptive Penguin Search Optimization (SAPeSO), to attain the system characteristics properly and minimize
Karthikeyan Udaichi +4 more
wiley +1 more source
TOFD Defect Image Recognition Based on YOLOv7
Journal of Physics: Conference Series, 2023 Abstract Welding technology is an important link in shipbuilding, and ultrasonic diffraction time difference method is one of its important inspection means, but the identification of its TOFD image still mainly relies on manual evaluation.
Xiongfang Fan +6 more
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Alleviated WRF Summer Wet Bias Over the Tibetan Plateau Using a New Cloud Macrophysics Scheme
Journal of Advances in Modeling Earth Systems, Volume 15, Issue 10, October 2023., 2023 Abstract Reliable precipitation simulation over the Tibetan Plateau (TP) remains a challenge, manifested by a prominent systematic wet bias in the warm season. Previous studies have generally neglected the potential linkage between surface radiation energy budget and precipitation bias.
Dingchi Zhao +7 more
wiley +1 more source
e-Journal of Nondestructive Testing, 2023 The non-intrusive inspection (NII) of pressure vessels using external in-service ultrasonic NDT has multiple advantages compared to internal visual inspection, including the significant reduction of down-time related costs and safety benefits from ...
Helen Peramatzis, Steve Burch
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