Researchers improve photovoltaic-thermal collector efficiency with wavy copper tubes

Iranian researchers demonstrated that wavy copper cooling tubes in PV-thermal collectors can achieve 13.65% electrical efficiency and 24% thermal efficiency, potentially improving combined heat and power systems.

First covered Oct 26, 2026 · 1:00 AM PT · 1 article · no longer in the live window

Researchers improve photovoltaic-thermal collector efficiency with wavy copper tubes — Image via pv-magazine.com

Coverage

16d PV Magazine Researchers develop photovoltaic-thermal collector with wavy copper cooling tubes — Researchers in Iran have found that wavy copper cooling tubes can improve the electrical and thermal efficiency of photovoltaic-thermal collectors.

More coverage from around the web

sciencedirect.com Optimizing photovoltaic thermal systems with wavy collector Tube: A response Surface-Based design study with desirability analysis - ScienceDirect

tandfonline.com Full article: Photovoltaic-thermal system combined with wavy tubes, twisted tape inserts and a novel coolant fluid: energy and exergy analysis

sciencedirect.com Experimental evaluation of a newly designed photovoltaic thermal collector featuring a ring inserter as a flow enhancement mechanism - ScienceDirect

sciencedirect.com Electrical and thermal analysis of a newly designed photovoltaic thermal collector featuring inner and outer micro-fin surface tube with broken double V-cuts twisted tapes: An experimental study - ScienceDirect

sciencedirect.com Performance improvement of air-based solar photovoltaic/thermal collectors using wavy channels - ScienceDirect

Appeared in: 2026-10-26 (#8)

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