September 19, 2025Kerntechnik

Constant heat flux and flow characteristics of nanofluids in an annular helical tube heat exchanger

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Authors

HEHesham Elkhatib AAAdel AlyanEgyptian Atomic Energy Authority SDSamy A. DwidarEgyptian Atomic Energy Authority

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Implication

Numerical analysis shows significant heat transfer improvement with nanofluids in helical annular tubes, suggesting enhanced performance in constant heat flux conditions.

Key Points

A heat transfer improvement of 46.8% and 17.7% is observed for copper oxide and aluminum oxide nanofluids, respectively.
Numerical results indicate an increase in pressure drop alongside heat transfer efficiency in laminar flow conditions.
The study employs established correlations to evaluate the performance of nanofluids in annular coiled tube heat exchangers.
Enhanced performance indexes demonstrate the effectiveness of nanofluids over conventional water-based fluids.

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Elkhatib et al. (2025) studied this question.

synapsesocial.com/papers/68d464e031b076d99fa63cee https://doi.org/10.1515/kern-2025-0020

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Implication

Numerical analysis shows significant heat transfer improvement with nanofluids in helical annular tubes, suggesting enhanced performance in constant heat flux conditions.

Constant heat flux and flow characteristics of nanofluids in an annular helical tube heat exchanger

Discussion

Member takes

Implication

Key Points

Cite This Study

Constant heat flux and flow characteristics of nanofluids in an annular helical tube heat exchanger

Discussion

Member takes

Implication

Key Points

Cite This Study

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