# Research on resistance features of plate heat exchanger based on flow distribution

Research on resistance features of plate heat exchanger based on flow distribution

Sun Yong Rong Jiayu  Tian Yanan  Niu Yanxu  Zhang Menghao

College of Energy and Environmental Engineering, Hebei Institute of Architecture and Civil Engineering, Zhangjiakou 075000, China

Corresponding Author Email:
zjkrong@126.com
Page:
261-266
|
DOI:
https://doi.org/10.18280/ijht.360135
18 August 2017
|
Accepted:
22 December 2017
|
Published:
31 March 2018
| Citation

OPEN ACCESS

Abstract:

This paper aims to disclose the resistance features of plate heat exchanger, a common heat transfer device and a major producer of flow resistance. For this purpose, the author examined the flow features within the plate heat exchanger, and established a resistance calculation model for the exchanger. hen, the model was solved through both numerical simulation and mathematical analysis. On this basis, an actual plate heat exchanger was simulated by the model, with the aim to acquire the exchanger resistance and the flow distribution across different paths. The results show that the deviation between the calculation results and the test results was 5.8%; the path flow decreased with the increase in the distance between the path and the inlet; the decline was steep at the beginning, and disappeared at the path sufficiently far away from the inlet. In summary, this research identifies the resistance of plate heat exchanger, and obtains the flow distribution of each path in the exchanger. Suffice it to say that the research findings provide new insights into the resistance calculation of plate heat exchangers in actual engineering.

Keywords:

Plate heat exchanger, Flow distribution, Resistance features

1. Introduction
2. Model Establishment and Solution
3. Solution and Application of Resistance Calculation Model
4. Analysis of Flow Distribution Features
5. Conclusion
References

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