X-Ray Conversion Target Cooling Passage for High-Power Heat Dissipation
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Solution Overview
Problem
High-power accelerators face challenges in dissipating heat from the target material effectively, leading to potential melting and reduced efficiency of the conversion target and accelerating tube.
Innovation Solution
An X-ray conversion target design featuring a cooling passage with grooves and ridges on the target part, an annular groove, and a cooling lateral portion, along with a fluid inlet and outlet, to facilitate rapid heat transfer and dissipation using a cooling medium.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If high-power electron beam is used for X-ray production, then X-ray output and productivity are improved, but heat accumulation increases causing target melting and reduced reliability
Solution Approach 1:
The target part is divided into multiple functional zones: a front face for X-ray production, a body portion with embedded cooling passages, and a rear cooling surface. This segmentation allows simultaneous optimization of X-ray generation efficiency and heat dissipation capability, preventing target melting while maintaining high productivity
Solution Approach 2:
A cooling medium (water or dielectric fluid) is introduced as an intermediary substance to transfer heat from the target part. The cooling passages carry this medium through the target body, absorbing heat generated during high-power electron beam irradiation and preventing thermal damage to the target structure
2Temperature
If cooling passages are added to the target structure, then heat dissipation is improved, but device complexity increases
Solution Approach 1:
The cooling passages are integrated directly into the target part itself rather than being separate external components. The target body serves dual functions as both the X-ray generation element and the heat dissipation structure, with cooling channels embedded within its volume. This merging reduces overall device complexity while achieving effective temperature control
Solution Approach 2:
The target part is designed as a multi-functional component that simultaneously performs X-ray production and self-cooling. The same structural element that generates X-rays also contains the cooling passages and facilitates heat removal, eliminating the need for separate cooling systems and reducing device complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The design effectively manages heat dissipation, preventing temperature rise and maintaining target efficiency by quickly transferring heat away from the target part, enhancing its useful life and operational performance.
Implementation Method 1
the target part having a first face configured to produce X-rays
Implementation Method 2
a cooling passage having a side wall, at least a part of the side wall being constituted by a portion of the target part
Implementation Method 3
facilitate fluid-based heat dissipation
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The disclosure provides an X-ray conversion target. The X-ray conversion target includes target body and a target part (5) disposed within the target body, the target part having a first face configured to produce X-rays; wherein, the X-ray conversion target further comprises a cooling passage (1) having a side wall, at least a part of the side wall being consisted of a portion of the target part.