Estimating parameters of plate heat exchanger for condensation of steam from mixture with air as a component of heat exchanger network

Arsenyeva, Olga; Klemeš, Jiří Jaromír; Tovazhnyanskyy, Leonid; Klochok, Eugeny; Kapustenko, Petro

doi:10.1016/j.energy.2023.128482

Energy

2023

DOI: 10.1016/j.energy.2023.128482

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Estimating parameters of plate heat exchanger for condensation of steam from mixture with air as a component of heat exchanger network

Olga Arsenyeva,

Jiří Jaromír Klemeš,

Leonid Tovazhnyanskyy

et al.

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Cited by 2 publications

References 26 publications

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Sustainable use of energy contributes to carbon neutrality and environmental footprints reduction

Wang,

Plesu Popescu

et al. 2023

Energy

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Sustainable use of energy contributes to carbon neutrality and environmental footprints reduction

Wang,

Plesu Popescu

et al. 2023

Energy

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Experimental Investigation of Large-Scale Vertically Coated Tubes for Enhanced Air–Steam Condensation Heat Transfer

Chen,

Zhang,

Wang

2024

Energies

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Non-condensable gas plays a significant role in steam condensation, primarily by reducing heat transfer efficiency. Enhanced condensation heat transfer in the presence of non-condensable gas is crucial for improving thermal efficiency, reducing energy consumption, and lowering costs. However, experimental studies on applying coatings to enhance condensation heat transfer in large-scale vertical outer tubes with non-condensable gas are scarce. This study investigates the condensation heat transfer performance of vertical stainless steel- and brass-coated tubes compared to their bare counterparts at different air concentrations (0.4, 0.3, 0.15, and 0.08). All tubes have an outer diameter of 19 mm and an effective length of 1080 mm. Visualizations reveal that condensate flow rates as high as 0.5 m/s on bare tubes cause significant disturbances to the diffusion layer. At various air concentrations, the maximum condensation heat transfer coefficient of the coated stainless steel tube exhibited increases of 22.2%, 11.9%, 4.2%, and 19.6% compared with the uncoated stainless steel tube. Similarly, the maximum condensation heat transfer coefficient for the coated brass tube showed significant increases of 58.9%, 53.5%, 68.0%, and 70.7% compared with the uncoated brass tube. Notably, the enhancement effect on heat transfer performance is more pronounced when the same type of modified surface is applied to the brass tube compared with the stainless steel tube.

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Estimating parameters of plate heat exchanger for condensation of steam from mixture with air as a component of heat exchanger network

Cited by 2 publications

References 26 publications

Sustainable use of energy contributes to carbon neutrality and environmental footprints reduction

Sustainable use of energy contributes to carbon neutrality and environmental footprints reduction

Experimental Investigation of Large-Scale Vertically Coated Tubes for Enhanced Air–Steam Condensation Heat Transfer

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