Related Experiment Video
Updated: May 17, 2025

Dosimetry for Cell Irradiation using Orthovoltage 40-300 kV X-Ray Facilities
Published on: February 20, 2021
Method for determining primary radiation shielding thickness of industrial X-ray-generating devices
Byeonghyeon Park1, Sangmin Lee2, Eunjee Lee3
1Korea Institute of Nuclear Safety, Daejeon, 34142, Republic of Korea; Department of Applied Plasma & Quantum Beam Engineering, Jeonbuk National University, Jeonju, 54896, Republic of Korea.
New formulas improve radiation shielding for industrial X-ray generators (XGDs). This study validates and refines existing methods, ensuring worker safety by accurately calculating lead shielding thickness for modern XGDs.
Area of Science:
- Medical Physics
- Radiation Protection
- Industrial Safety
Background:
- Current shielding evaluation methods rely on outdated NCRP and ANSI/HPS reports.
- These reports use experimental data from diagnostic X-ray generators, not current industrial X-ray-generating devices (XGDs).
- Existing formulas are difficult to apply and do not account for the specific characteristics of modern industrial XGDs.
Purpose of the Study:
- To validate and improve existing radiation shielding evaluation methods for industrial XGDs.
- To develop new, more accurate formulas for determining lead shielding thickness based on modern industrial XGD characteristics.
- To ensure radiation safety for workers operating industrial XGDs.
Main Methods:
- Selected a representative industrial X-ray generator for experimental analysis.
- Measured dose rates using a dose-rate meter with varying lead shielding thicknesses and tube voltages.
- Statistically analyzed the relationship between dose rate, lead shielding thickness, and tube voltage.
Main Results:
- Derived new formulas for shield-thickness evaluation tailored to fine tube-voltage increments.
- Generated comprehensive data correlating lead shielding requirements with tube voltage for industrial XGDs.
- Established a statistically validated method for determining optimal lead shielding.
Conclusions:
- The derived formulas and data provide a more accurate and practical approach to shielding evaluations for industrial XGDs.
- Implementing these new methods will enhance radiation safety for workers by ensuring appropriate lead shielding.
- This study addresses the limitations of existing guidelines, offering improved solutions for modern industrial radiation safety challenges.
More Related Videos
06:20Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition
Published on: March 11, 2021
05:56Construction of a Compact Low-Cost Radiation Shield for Air-Temperature Sensors in Ecological Field Studies
Published on: November 6, 2018
Related Concept Videos
Biological Effects of Radiation
Nuclear Power
Nuclear Fuels
Nuclear fuel consists of a fissile isotope, such as uranium-235, which must be present in sufficient quantity to provide a...
X-ray Imaging
Types of Radioactivity
Alpha (α) decay is the emission of an α particle from the nucleus. For example, polonium-210 undergoes α decay: