Performance augmentation of a double-coil heat exchanger: analyzing the impact of radial fin count and diameter ratio.

Sci Rep · 2025 · PMC12615677 · PMID 41233486

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a clear trendno p-value reported

Furthermore, a clear trend of increasing Nusselt number with the fin count is observed.

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an increasing trendno p-value reported

The thermal performance generally shows an increasing trend with Reynolds number, particularly for the higher fin counts, indicating that the enhanced mixing mechanisms become more dominant at higher flow rates.

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