Investigation of the flow and heat transfer characteristics of helium gas in printed circuit heat exchangers with asymmetrical airfoil fins

Zhu, Chuanyong; Guo, Yong; Yang, Huang-Qing; Ding, Bin; Duan, Xiaoyang

doi:10.1016/j.applthermaleng.2020.116478

Cited by 32 publications

(2 citation statements)

References 32 publications

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“…For PCHEs with airfoil channels, the factors affecting the pressure drop include the transverse pitch and the longitudinal pitch (Fu et al, 2019;Zhao et al, 2020;Zhu et al, 2021). With the increase of the transverse pitch, the velocity distribution tends to be stable, and the effect of eddy region behind the airfoil fins is weakened, leading to the significant reduction of the total pressure drop (Chu et al, 2017).…”

Section: Pressure Drop Characteristics Of Printed Circuit Heat Exchan...mentioning

confidence: 99%

Technical Characteristics and Development Trend of Printed Circuit Heat Exchanger Applied in Floating Liquefied Natural Gas

Xie

Zhuang

et al. 2022

Front. Energy Res.

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The printed circuit heat exchanger with high efficiency and good compactness and reliability presents potential application in the floating liquefied natural gas platform. This paper offers a review on technical characteristics and development trend of the printed circuit heat exchanger applied in floating liquefied natural gas, including the development state of printed circuit heat exchangers, the application state of printed circuit heat exchangers in floating liquefied natural gas, and the key issues for potential application of printed circuit heat exchangers in floating liquefied natural gas. Firstly, the existing research results of heat transfer and pressure drop characteristics of printed circuit heat exchangers with various flow channels are analyzed, and the correlations of the heat transfer coefficients and the pressure drop of these flow channels are summarized. Then, the application state of printed circuit heat exchangers in floating liquefied natural gas is introduced, and the functions of printed circuit heat exchangers used in the existing floating liquefied natural gas facilities are analyzed. Finally, the key issues for applying printed circuit heat exchangers in floating liquefied natural gas, including the structure design criteria, influence mechanism of sloshing conditions on performance, and methods of suppressing the adverse effects of sloshing conditions, are proposed. It is indicated that the present studies focus on the effect of single sloshing motion on the thermal–hydraulic performances of printed circuit heat exchangers, but few attention has been paid onto the coupling effects of multiple sloshing motions which conform more closely to the actual operation conditions of printed circuit heat exchangers in floating liquefied natural gas. Thus, the future work should aim at the influence mechanisms and structure optimizations in terms of thermal–hydraulic performance under multiple sloshing conditions.

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Section: Pressure Drop Characteristics Of Printed Circuit Heat Exchan...mentioning

confidence: 99%

Technical Characteristics and Development Trend of Printed Circuit Heat Exchanger Applied in Floating Liquefied Natural Gas

Xie

Zhuang

et al. 2022

Front. Energy Res.

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“…The fluid flow in PCHEs with airfoil fin channels has good thermal and hydraulic performance. Zhao et al [177] and Zhu et al [178] respectively studied the convective heat transfer characteristics in symmetric and asymmetric airfoil fin channels, and supercritical nitrogen and supercritical helium were selected as working fluids, respectively. In view of Re from 10,000 to 14,500, Zhao et al [177] established the correlation between Nu and f, and Cheng et al [174] put forward the empirical relationship between Nu and f and inlet Re from 2000 to 10,000, and these two proposed correlations are in good agreement with experimental data.…”

Section: Supercritical Helium and Supercritical Nitrogenmentioning

confidence: 99%

A Review on the Thermal-Hydraulic Performance and Optimization of Compact Heat Exchangers

Liao

Zhang

et al. 2021

Energies

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Heat exchangers play an important role in power, the chemical industry, petroleum, food and many other industrial productions, while compact heat exchangers are more favored in industrial applications due to their high thermal efficiency and small size. This paper summarizes the research status of different types of compact heat exchangers, especially the research results of heat transfer and pressure drop of printed circuit heat exchangers, so that researchers can have an overall understanding of the development of compact heat exchangers and get the required information quickly. In addition, this paper summarizes and analyzes several main working fluids selected in compact heat exchangers, and puts forward some discussions and suggestions on the selection of working fluids. Finally, according to the existing published literature, the performance evaluation indexes of compact heat exchangers are summarized and compared, which is convenient for developers and researchers to better grasp the design direction.

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Improve the heat exchanger efficiency via examine the Graphene Oxide nanoparticles: a comprehensive study of the preparation and stability, predict the thermal conductivity and rheological properties, convection heat transfer and pressure drop

Ranjbarzadeh

Akhgar

Taherialekouhi

et al. 2021

J Therm Anal Calorim

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Investigation of the flow and heat transfer characteristics of helium gas in printed circuit heat exchangers with asymmetrical airfoil fins

Cited by 32 publications

References 32 publications

Technical Characteristics and Development Trend of Printed Circuit Heat Exchanger Applied in Floating Liquefied Natural Gas

Technical Characteristics and Development Trend of Printed Circuit Heat Exchanger Applied in Floating Liquefied Natural Gas

A Review on the Thermal-Hydraulic Performance and Optimization of Compact Heat Exchangers

Improve the heat exchanger efficiency via examine the Graphene Oxide nanoparticles: a comprehensive study of the preparation and stability, predict the thermal conductivity and rheological properties, convection heat transfer and pressure drop

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