Impact of the anode tilt on photon emission spectrum and temperature rise in an x-ray tube

Hassan Ou hadda; Mustapha Zerfaoui; Karim Bahhous; Zakaria Aboulbanine; Samir Didi; Abdeslem Rrhioua; Dikra Bakari

doi:10.1088/2057-1976/acab6c

Impact of the anode tilt on photon emission spectrum and temperature rise in an x-ray tube

Hassan Ou hadda, Mustapha Zerfaoui, Karim Bahhous, Zakaria Aboulbanine, Samir Didi, Abdeslem Rrhioua, Dikra Bakari

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

In radiology, the photon fluence and the energy spectrum generated from an x-ray tube may depend on the anode tilt angle. In this contribution, a Monte Carlo investigation is performed to quantify this effect by modeling an x-ray tube based on published data Bujila R. et al (2020 Physica. Med. 75 44-54). The GATE simulation code is used for this purpose. The calculations have moreover confirmed this dependence; the tilt of the anode could be used to increase the photon fluence. The thermal analysis has shown that the hot spot size is dependent as well on the anode tilt angle. The thermal focus temperature (ΔT) decreases when the anode tilt angle increases. Finally, by moving the acquisition angle from 293°-337° to 248°-292° and changing the anode tilt angle from 8° to 28°, the photon fluence can be increased by 55%.

Original language	English
Article number	015009
Journal	Biomedical Physics and Engineering Express
Volume	9
Issue number	1
DOIs	https://doi.org/10.1088/2057-1976/acab6c
State	Published - Jan 2023
Externally published	Yes

Funding

The authors acknowledge the support of the National Center for Scientific and Technical Research, Rabat, Morocco (CNRST) for providing access to the High Performance Computing data centre (HPC-MARWAN).

Funders	Funder number
National Center for Scientific and Technical Research

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10.1088/2057-1976/acab6c

Cite this

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title = "Impact of the anode tilt on photon emission spectrum and temperature rise in an x-ray tube",

abstract = "In radiology, the photon fluence and the energy spectrum generated from an x-ray tube may depend on the anode tilt angle. In this contribution, a Monte Carlo investigation is performed to quantify this effect by modeling an x-ray tube based on published data Bujila R. et al (2020 Physica. Med. 75 44-54). The GATE simulation code is used for this purpose. The calculations have moreover confirmed this dependence; the tilt of the anode could be used to increase the photon fluence. The thermal analysis has shown that the hot spot size is dependent as well on the anode tilt angle. The thermal focus temperature (ΔT) decreases when the anode tilt angle increases. Finally, by moving the acquisition angle from 293°-337° to 248°-292° and changing the anode tilt angle from 8° to 28°, the photon fluence can be increased by 55%.",

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AU - Ou hadda, Hassan

AU - Zerfaoui, Mustapha

AU - Bahhous, Karim

AU - Aboulbanine, Zakaria

AU - Didi, Samir

AU - Rrhioua, Abdeslem

AU - Bakari, Dikra

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AB - In radiology, the photon fluence and the energy spectrum generated from an x-ray tube may depend on the anode tilt angle. In this contribution, a Monte Carlo investigation is performed to quantify this effect by modeling an x-ray tube based on published data Bujila R. et al (2020 Physica. Med. 75 44-54). The GATE simulation code is used for this purpose. The calculations have moreover confirmed this dependence; the tilt of the anode could be used to increase the photon fluence. The thermal analysis has shown that the hot spot size is dependent as well on the anode tilt angle. The thermal focus temperature (ΔT) decreases when the anode tilt angle increases. Finally, by moving the acquisition angle from 293°-337° to 248°-292° and changing the anode tilt angle from 8° to 28°, the photon fluence can be increased by 55%.

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Impact of the anode tilt on photon emission spectrum and temperature rise in an x-ray tube

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