Thermo-Structural Spacer for Air Inlet Heat Isolation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In fuel cell systems, the interface between the air inlet and the compressor experiences significant temperature differences, leading to heat transfer that can exceed the material's operating temperature, potentially damaging the air inlet.
Innovation Solution
A thermo-structural spacer is designed with a cylindrical center portion and flanges at either end, featuring an annular inner wall for a through hole. This spacer is constructed from materials like stainless steel and is positioned between the air inlet and the compressor to restrict heat transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the air inlet is directly connected to the compressor, then the structural complexity is reduced, but the temperature differences cause heat transfer that exceeds the material's operating temperature, potentially damaging the air inlet
Solution Approach 1:
A thermo-structural spacer is introduced as an intermediary component between the air inlet and the compressor. This spacer acts as a thermal barrier that restricts heat transfer from the compressor to the air inlet, preventing thermal damage while maintaining the structural connection. The spacer includes a cylindrical center portion with flanges that interface with both components, creating a thermal break in the heat transfer path.
2Object-affected harmful factors
If a thermo-structural spacer is added to restrict heat transfer, then thermal damage is prevented, but the device complexity increases
Solution Approach 1:
The thermo-structural spacer is designed to perform multiple functions simultaneously: it provides thermal insulation to prevent heat transfer, maintains structural alignment between the air inlet and compressor, and serves as a mounting interface through its flange structures. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in overall device complexity.
3Object-affected harmful factors
If the spacer length is increased to improve thermal insulation, then heat transfer restriction is enhanced, but the manufacturing precision requirements increase due to the specific length-to-width ratio
Solution Approach 1:
The spacer is designed with specific dimensional parameters, including a length-to-width ratio of at least 1.393:1, which optimizes the balance between thermal insulation performance and structural stability. By establishing this specific parameter range, the design provides clear manufacturing guidelines that achieve effective heat transfer restriction while maintaining manufacturability and structural integrity.
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 thermo-structural spacer effectively prevents the air inlet material from reaching high temperatures, ensuring structural integrity and preventing thermal damage while maintaining efficient airflow and pressure.
Implementation Method 1
The thermo-structural spacer is configured for restricting heat transfer between the first flange and the second flange
Data Source
AI summary
A thermo-structural spacer is provided. The spacer includes a cylindrical center portion, a first flange connected to a first end of the cylindrical center portion, a second flange connected to a second end of the cylindrical center portion. The second end is distal from the first end. The spacer further includes an annular inner wall configured for providing a through hole extending through a longitudinal axis of the thermo-structural spacer. The cylindrical center portion is narrower than the first flange. The cylindrical center portion is narrower than the second flange. The thermo-structural spacer is configured for restricting heat transfer between the first flange and the second flange.