Staggered Corrugated Fin Assembly for Heat Exchanger
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Solution Overview
Problem
Conventional heat exchangers face challenges in enhancing heat exchange performance due to suboptimal fin assembly designs, which restrict efficient heat transfer and exchange efficiency.
Innovation Solution
A fin assembly with corrugated fins arranged side by side, where wave crests and troughs of adjacent fins are staggered in the length direction, and connected via a middle part, allowing for increased surface area and improved airflow guidance, thereby enhancing heat exchange efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional fin assembly design is used, then manufacturing is simple, but heat exchange performance is insufficient
Solution Approach 1:
The fin body is designed with a corrugated structure featuring wave crests and wave troughs instead of a flat surface. This curvature increases the heat exchange surface area and improves heat transfer performance by enhancing turbulence and reducing boundary layer thickness, directly resolving the contradiction between simple manufacturing and insufficient heat exchange performance.
Solution Approach 2:
The staggered arrangement of wave crests and wave troughs between adjacent fins in the length direction introduces a dimensional variation that maximizes the effective heat exchange surface area. This dimensional optimization allows better utilization of space and improves overall heat exchange efficiency without significantly complicating the manufacturing process.
2Area of moving object
If fin surface area is increased, then heat exchange efficiency improves, but manufacturing complexity increases
Solution Approach 1:
The corrugated fin body with wave crests and wave troughs provides a curved surface configuration that increases heat exchange area. This curvature can be achieved through standard metal forming processes, maintaining ease of manufacture while significantly improving heat exchange surface area compared to flat fins.
Solution Approach 2:
By adjusting parameters such as wave amplitude, wave length, and staggered distance between adjacent fins, the heat exchange surface area can be optimized without fundamentally changing the manufacturing process. These parameter variations allow customization of heat exchange performance while maintaining manufacturing simplicity through conventional forming techniques.
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 staggered and connected fin design increases the heat exchange surface area, improves airflow, and effectively raises heat exchange efficiency, reducing costs and enhancing the heat exchange capacity of the heat exchanger.
Implementation Method 1
A heat exchanger such as a micro channel heat exchanger or a parallel flow evaporator comprises a fin assembly
Implementation Method 2
wave crests or wave troughs, on one side in a height direction of the fin assembly, of two adjacent ones of the plurality of fins are staggered by a predetermined distance relative to each other in a length direction of the fin assembly
Data Source
AI summary
The present invention provides a fin assembly for a heat exchanger and a heat exchanger having the fin assembly. The fin assembly includes a plurality of fins each having a corrugated fin body formed by a plate. The plurality of fins are arranged side by side in a width direction of the fin assembly. Wave crests or wave troughs, on one side in a height direction of the fin assembly, of two adjacent ones of the plurality of fins are staggered by a predetermined distance relative to each other in a length direction of the fin assembly. With the fin assembly and the heat exchanger according to the present invention, for example, heat exchange performance of the heat exchanger can be improved.