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| Home > Publications database > Only a wet tube is a good tube: understanding capillary-assisted thin-film evaporation of water for adsorption chillers > print |
| 001 | 877620 | ||
| 005 | 20240709081915.0 | ||
| 024 | 7 | _ | |a 10.1016/j.applthermaleng.2018.08.024 |2 doi |
| 024 | 7 | _ | |a 1359-4311 |2 ISSN |
| 024 | 7 | _ | |a 1873-5606 |2 ISSN |
| 024 | 7 | _ | |a WOS:000454974700051 |2 WOS |
| 037 | _ | _ | |a FZJ-2020-02335 |
| 082 | _ | _ | |a 690 |
| 100 | 1 | _ | |a Seiler, Jan |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a Only a wet tube is a good tube: understanding capillary-assisted thin-film evaporation of water for adsorption chillers |
| 260 | _ | _ | |a Amsterdam [u.a.] |c 2019 |b Elsevier Science |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1592900727_2858 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Efficient evaporation of water at low temperatures is challenging due to its low saturation pressure. As a consequence, the preferred evaporation by nucleate boiling can only be achieved at the cost of high superheats. However, low superheats can still lead to efficient evaporation by thin-film evaporation. In this work, we experimentally characterize the heat transfer for thin-film evaporation on coated copper tubes, which use capillary action to create a thin film on their surface. The overall heat transfer through the tubes is determined at all filling levels for evaporator inlet temperatures of 10, 15 and 20 °C with varied driving force. Our experiments reveal that poor coatings suffer from dry-out at high driving forces whereas tubes with good coatings remain fully wetted even at high driving force. Furthermore, we show the impact of surface properties on thin-film evaporation: high porosity, surface extension and roughness promote the creation of a thin film on the tube. Thereby, the heat transfer UA-value is increased up to a factor of 10. |
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| 700 | 1 | _ | |a Lanzerath, Franz |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Jansen, Christoph |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Bardow, André |0 P:(DE-Juel1)172023 |b 3 |e Corresponding author |u fzj |
| 773 | _ | _ | |a 10.1016/j.applthermaleng.2018.08.024 |g Vol. 147, p. 571 - 578 |0 PERI:(DE-600)2019322-1 |p 571 - 578 |t Applied thermal engineering |v 147 |y 2019 |x 1359-4311 |
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