X-ray computed tomography of the periodically moving object
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378297%3A_____%2F24%3A00581843" target="_blank" >RIV/68378297:_____/24:00581843 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21670/24:00374810
Result on the web
<a href="https://doi.org/10.1088/1748-0221/19/01/C01045" target="_blank" >https://doi.org/10.1088/1748-0221/19/01/C01045</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1748-0221/19/01/C01045" target="_blank" >10.1088/1748-0221/19/01/C01045</a>
Alternative languages
Result language
angličtina
Original language name
X-ray computed tomography of the periodically moving object
Original language description
X-ray computed tomography is a standard method of non-destructive testing of a wide range of static objects. In recent years, time-dependent tomography has been on the rise, for which it is necessary to acquire a series of tomographic data covering the event of interest. For slower processes, conventional laboratory X-ray computed tomography (CT) scanners can be used, while when events are faster, a very intense X-ray source is usually required. For high resolution requirements, the need for an intense X-ray source leads to the use of a synchrotron. An exception is tomographic tracking of periodic events. As will be shown, for these, a good quality reconstruction can be achieved even in the case of a relatively low-intensity X ray source. To avoid blurring of the individual X-ray images by the motion of the object, the exposure time must be reasonably short. At motion rates of units of Hz, this time cannot be longer than tens of ms, this requirement naturally leads to low data statistics. Sufficient statistics is achieved by integrating images taken at an identical position of the moving object. A key requirement of such an approach is the precise synchronization of all active components of the system. The imaging detector must be capable of taking images on demand by hardware triggering with the capability of adequately nshort exposures. The ability of the CT system to investigate periodicallymoving objects will be demonstrated on the object oscillating harmonically at 3.81 Hz.
Czech name
—
Czech description
—
Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
20301 - Mechanical engineering
Result continuities
Project
<a href="/en/project/GA22-13811S" target="_blank" >GA22-13811S: Innovative defectoscopy method based on tomographic analysis of the eigenvalue mode shapes in 3D</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Instrumentation
ISSN
1748-0221
e-ISSN
1748-0221
Volume of the periodical
19
Issue of the periodical within the volume
1
Country of publishing house
US - UNITED STATES
Number of pages
7
Pages from-to
C01045
UT code for WoS article
001168579300006
EID of the result in the Scopus database
2-s2.0-85183668358