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NUMERICAL STUDY ON HEAT TRANSFER CHARACTERISTICS OF PROPYLENE GLYCOL-WATER MIXTURE IN SHELL SIDE OF SPIRAL WOUND HEAT EXCHANGER

Xiaoyong Gu*, Guohe Jiang, Yang Wo, Biwen Chen

Merchant Marine College, Shanghai Maritime University, Shanghai, 201306, China
* Corresponding author. Email: guxy9011@163.com

Frontiers in Heat and Mass Transfer 2020, 15, 1-8. https://doi.org/10.5098/hmt.15.3

Abstract

The heat transfer characteristics of propylene glycol-water (PG-W) mixture with different concentrations in shell side of spiral wound heat exchanger (SWHE) with different geometric parameters were studied numerically. Experiment was carried out and the average difference between the simulated results and the experimental results was 5.3%. The simulation results show that heat transfer coefficient increases with the increase of center core diameter and longitudinal spacing of tubes, but decreases with the increase of tube outer diameter. The center core diameter and tube outer diameter have greater effects on heat transfer performances at higher concentration. Economic index was established and found that adding materials for changing center core diameter and tube outer diameter will improve economic index. While adding materials for changing longitudinal spacing of tubes will reduce economic index. Adding materials for changing center core diameter has higher cost performance. The results can provide reference for the design of gasifier in the gas supply system of dual fuel engine.

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Gu, X., Jiang, G., Wo, Y., Chen, B. (2020). NUMERICAL STUDY ON HEAT TRANSFER CHARACTERISTICS OF PROPYLENE GLYCOL-WATER MIXTURE IN SHELL SIDE OF SPIRAL WOUND HEAT EXCHANGER. Frontiers in Heat and Mass Transfer, 15(1), 1–8.



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