What question did this study set out to answer?

The research aims to understand how plate breathing affects friction factors in gasketed plate heat exchangers (GPHEs) and to develop predictive models.

March 7, 2026Applied Thermal EngineeringOpen Access

Experimental and machine learning-based predictions of thermohydraulic performance in gasketed plate heat exchangers with three corrugated plate geometries

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Authors

GMG.S.M. Martins AGA.M.P. Gabardo ASA.O. Stein

Discussion

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Overview

Experimental investigation of heat exchanger performance in three geometries reveals predictive modeling tools.

Key Points

The research aims to understand how plate breathing affects friction factors in gasketed plate heat exchangers (GPHEs) and to develop predictive models.
Conducted a systematic experimental investigation of three corrugation patterns: Chevron, Zigzag, and Four-Quadrant.
Tested the patterns at three tightening levels under controlled inlet-pressure differences.
Measured local friction factors, overall heat-transfer conductance, and Nusselt numbers for each channel.
Friction factors showed up to 100% variation between expanded and constricted channels based on geometry and tightening levels.
Heat-transfer performance was more stable, with Nusselt number variations limited to 3–16%.
Predictive models reduced uncertainty by up to 50% compared to classical correlations, with MAPE of 3–9% and MLP model achieving MAPE ≈ 3.5%.

Cite This Study

Martins et al. (2026) studied this question.

synapsesocial.com/papers/69abc0de5af8044f7a4e9857 https://doi.org/10.1016/j.applthermaleng.2026.130506

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March 7, 2026Applied Thermal EngineeringOpen Access

Experimental and machine learning-based predictions of thermohydraulic performance in gasketed plate heat exchangers with three corrugated plate geometries

View Full Paper

Ask AI

Bookmark

Authors

GMG.S.M. Martins AGA.M.P. Gabardo ASA.O. Stein

Discussion

Member takes

Overview

Experimental investigation of heat exchanger performance in three geometries reveals predictive modeling tools.

Key Points

The research aims to understand how plate breathing affects friction factors in gasketed plate heat exchangers (GPHEs) and to develop predictive models.
Conducted a systematic experimental investigation of three corrugation patterns: Chevron, Zigzag, and Four-Quadrant.
Tested the patterns at three tightening levels under controlled inlet-pressure differences.
Measured local friction factors, overall heat-transfer conductance, and Nusselt numbers for each channel.
Friction factors showed up to 100% variation between expanded and constricted channels based on geometry and tightening levels.
Heat-transfer performance was more stable, with Nusselt number variations limited to 3–16%.
Predictive models reduced uncertainty by up to 50% compared to classical correlations, with MAPE of 3–9% and MLP model achieving MAPE ≈ 3.5%.

Cite This Study

Martins et al. (2026) studied this question.

synapsesocial.com/papers/69abc0de5af8044f7a4e9857 https://doi.org/10.1016/j.applthermaleng.2026.130506

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