Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Byung-Sik Yoon"'
Publikováno v:
Volume 1: Operating Plant Challenges, Successes, and Lessons Learned; Nuclear Plant Engineering; Advanced Reactors and Fusion; Small Modular and Micro-Reactors Technologies and Applications.
Inspection of a spent fuel pool (SFP) liner (e.g., detection of defects in the pool liner) is important to validate the integrity of this component to perform its intended function. Eddy current array (ECA) testing offers a reliable and sensitive non
Publikováno v:
Journal of the Korean Society for Nondestructive Testing. 35:299-306
A conventional phased array system can control an ultrasonic beam electronically by adjusting the excitation time delay of individual elements in a multi-element probe and produce an ultrasonic image. In Contrast, full matrix capture (FMC) is a data
Publikováno v:
Journal of Korean Society For Rock Mechanics. 24:449-463
There are many case studies and application cases in abandoned mines for hydraulic filling method filled by slurry or paste form, but research on the pneumatic filling is not applied in Korea. The damage of steel pipe is occurred by wear due to the f
Steam generator small bore piping socket weld inspection using the phased array ultrasonic technique
Publikováno v:
Journal of Nuclear Science and Technology. 51:231-239
As nuclear power plants age, the likelihood of failures in the small bore piping used in those plants caused by exposure to mechanical vibrations during plant operations increases. While small bore piping failures rarely cause plant shutdown, the man
Publikováno v:
Journal of the Korean Society for Nondestructive Testing. 33:368-375
Failure of small bore piping welds is a recurring problem at nuclear power plants. And the socket weld cracking in small bore piping has caused unplanned plant shutdowns for repair and high economic impact on the plants. Consequently, early crack det
Publikováno v:
Journal of Nuclear Science and Technology. 49:760-767
A steam generator at a nuclear power plant consists of thousands of thin tubes, and is a highly important component in operation. Also, steam generator tubes play a critical role in maintaining pressure boundaries of the primary and secondary sides,
Publikováno v:
Journal of the Korean Society for Nondestructive Testing. 32:185-191
Typically, a wedge is involved to generate effectively high inspection angle in pipe weld inspection using phased array ultrasonic technique. But the usage of this wedge for weld or access limited area can cause coverage limitation for the examinatio
Publikováno v:
Journal of Nuclear Science and Technology. 48:1403-1411
To work towards better reliability of ultrasonic testing systems, the Korean Ministry of Science and Technology (MOST) published Bulletin 2004-13 in June 2004. This was replaced by the Ministry of Education and Science Technology (MEST) Bulletin 2009
Publikováno v:
Journal of Nuclear Science and Technology. 47:754-759
For those people who are involved in NDE, there is a growing concern regarding the significant traveling distance of a guided wave in a structure, which ensures the inspection of a large area of the structure from a single location. A significant num