Related Experiment Video
Updated: Feb 9, 2026

06:08
Use of a Linear Accelerator for Conducting In Vitro Radiobiology Experiments
Published on: May 26, 2019
8.0K
[Common Walking Fault of Multileaf Collimator in Linear Accelerator]
Jiayi Liang1, Baoqing Yang1, Liangpeng Wei1
1The First People's Hospital in Qinzhou City, Qinzhou, 535000.
Summary
This study details the failure modes, analysis, and maintenance strategies for the SIEMENS PRIMUS linear accelerator. Understanding these aspects is crucial for ensuring operational reliability and effective repair.
Area of Science:
- Medical Physics
- Engineering
Background:
- SIEMENS PRIMUS linear accelerators are vital in radiation therapy.
- Ensuring their consistent performance requires understanding failure mechanisms.
Purpose of the Study:
- To comprehensively document the failure phenomena observed in SIEMENS PRIMUS linear accelerators.
- To outline systematic failure analysis procedures.
- To present effective maintenance processes and methods for this equipment.
Main Methods:
- Phenomenological study of accelerator failures.
- Root cause analysis techniques applied to failure events.
- Documentation of established maintenance protocols and repair strategies.
Main Results:
- Identification of common failure modes specific to the SIEMENS PRIMUS model.
- Development of a structured approach for diagnosing and analyzing these failures.
- Detailed description of maintenance procedures to address identified issues.
Conclusions:
- Effective maintenance and prompt failure analysis are essential for SIEMENS PRIMUS linear accelerator uptime.
- This paper provides a valuable resource for technicians and engineers responsible for accelerator maintenance.
Related Concept Videos
Fault Types
430
When analyzing a single line-to-ground fault from phase A to ground at a three-phase bus, it is important to consider the fault impedance. This impedance is zero for a bolted fault, equal to the arc impedance for an arcing fault, and represents the total fault impedance for a transmission-line insulator flashover. To derive sequence and phase currents, fault conditions are translated from the phase domain to the sequence domain.
For line-to-line faults occurring between phases B and C, the...
For line-to-line faults occurring between phases B and C, the...
430
Common Ion Effect
47.0K
Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Châtelier’s principle. Consider the dissolution of silver iodide:
47.0K
Accelerators
292
Accelerators in concrete serve as admixtures to speed up the hardening process, enabling the concrete to achieve early strength faster. Although accelerators do not necessarily impact the time it takes concrete to set, they reduce this time in practice. A common accelerator is calcium chloride, which is particularly useful for hastening early strength development in cold weather or for rapid repair jobs that require quick heat generation after mixing.
The effectiveness of calcium chloride can...
The effectiveness of calcium chloride can...
292
Linear Equations
498
Linear equations form the foundation of many algebraic and real-world applications, characterized by their simplicity and utility. A linear equation is an algebraic statement in which each term is either a constant or a product of a constant and a single variable. These equations represent straight lines when plotted on a Cartesian coordinate plane, reflecting a constant rate of change between two quantities.A typical linear equation in one variable has the form: ax + b = c, where a, b, and c...
498
Linear Circuits
883
A linear circuit is characterized by its output having a direct proportionality to its input, adhering to the linearity property, which encompasses the principles of homogeneity (scaling) and additivity. Homogeneity dictates that when the input, also referred to as the excitation, is multiplied by a constant factor, the output, known as the response, is correspondingly scaled by the same constant factor. For instance, if the current is multiplied by a constant 'k,' the voltage likewise...
883
Average Acceleration
14.2K
The importance of understanding acceleration spans our day-to-day experiences, as well as the vast reaches of outer space and the tiny world of subatomic physics. In everyday conversation, to accelerate means to speed up. For instance, we are familiar with the acceleration of our car; the harder we apply our foot to the gas pedal, the faster we accelerate. The greater the acceleration, the greater the change in velocity over a given time. Acceleration is widely seen in experimental physics. In...
14.2K

