This work presents an experimental study on the performance of biochar powder coatings on aluminum surfaces for use in indirect evaporative coolers based on the Maisotsenko cycle. The performance of the biochar coated samples was compared to cellulose-coated aluminum samples and uncoated ones. Results showed that biochar coatings improved the performance of uncoated aluminum, with the 150 μm particle size coating offering performance comparable to cellulose. However, wetting times were longer, which has implications for spraying strategies.
Biochar powders coating to improve evaporative cooling in Maisotsenko-cycle systems / Morselli, N.; Fracasso, F. D.; Cossu, M.; Ottani, F.; Puglia, M.; Pedrazzi, S.; Allesina, G.; Muscio, A.; Tartarini, P.. - In: JOURNAL OF PHYSICS. CONFERENCE SERIES. - ISSN 1742-6588. - 2685:1(2024). (Intervento presentato al convegno 40th UIT International Heat Transfer Conference, UIT 2023 tenutosi a Palazzo Bernabei, ita nel 2023) [10.1088/1742-6596/2685/1/012067].
Biochar powders coating to improve evaporative cooling in Maisotsenko-cycle systems
Morselli N.;Fracasso F. D.;Cossu M.;Ottani F.;Puglia M.;Pedrazzi S.;Allesina G.;Muscio A.;Tartarini P.
2024
Abstract
This work presents an experimental study on the performance of biochar powder coatings on aluminum surfaces for use in indirect evaporative coolers based on the Maisotsenko cycle. The performance of the biochar coated samples was compared to cellulose-coated aluminum samples and uncoated ones. Results showed that biochar coatings improved the performance of uncoated aluminum, with the 150 μm particle size coating offering performance comparable to cellulose. However, wetting times were longer, which has implications for spraying strategies.
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