Investigation of defrosting water retention on the surface of evaporator impacting the performance of air source heat pump during periodic frosting–defrosting cycles
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Then, melted frost was considered, meaning frost accumulation is the sum of melted frost collected in trays and retained water absorbed from the fin surface with tissue paper.
“Then, the melted frost was considered [103,123-126]. This means that the frost accumulation is the sum of the melted frost that has been collected in trays and the retained water that has been absorbed from the fin surface with tissue paper.”
From Review on the measurement and calculation of frost characteristics (2018) · cites this paper as [124]
In open literature, most scholars regarded the total mass of melted frost as frost accumulation for further calculations.
“Therefore, in open literature, most scholars regarded the total mass of the melted frost as frost accumulation, to conduct further calculations [2,101,103,115,120,124,125].”
From Review on the measurement and calculation of frost characteristics (2018) · cites this paper as [124]
Water retention on the exchanger surface due to continuous frosting and defrosting cycles reduced efficiency by 10%.
“Fig. 16a shows an 11% reduction in heating capacity and Fig. 16b a 10% drop of efficiency due to retention of water on the exchanger surface because of continuous frosting and defrosting cycles.”
Water retention on the exchanger surface due to continuous frosting and defrosting cycles reduced heating capacity by 11%.
“Fig. 16a shows an 11% reduction in heating capacity and Fig. 16b a 10% drop of efficiency due to retention of water on the exchanger surface because of continuous frosting and defrosting cycles.”
The drainage enhancement was related to face wettability, hydrophobic or hydrophilic properties.
“The drainage enhancement was related to face wettability, hydrophobic or hydrophilic properties and suggested development of surfaces that enable rapid drainage of the defrosting water.”
Cites
Effect of surface treatments on the frosting/defrosting behavior of a fin-tube heat exchanger
Jhee, S., Lee, K.-S., & Kim, W.-S. (2002) · International Journal of Refrigeration · doi:10.1016/s0140-7007(02)00008-7 · Cited by 149 · see citing works
Frost deposition on cold surfaces
Brian, P. L. T., Reid, R. C., & Shah, Y. T. (1970) · Industrial & Engineering Chemistry Fundamentals · doi:10.1021/i160035a013 · Cited by 142 · see citing works
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Review on improvement for air source heat pump units during frosting and defrosting
Song, M., Deng, S., Dang, C., Mao, N., & Wang, Z. (2018) · Applied Energy · doi:10.1016/j.apenergy.2017.12.022 · Cited by 384 · see citing works
Review on the measurement and calculation of frost characteristics
Song, M., & Dang, C. (2018) · International Journal of Heat and Mass Transfer · doi:10.1016/j.ijheatmasstransfer.2018.03.094 · Cited by 212 · see citing works
Patil, M. S., Seo, J.-H., & Lee, M.-Y. (2017) · Applied Thermal Engineering · doi:10.1016/j.applthermaleng.2016.11.107 · Cited by 86 · see citing works
Kim, M.-H., Kim, H., Kim, D. R., & Lee, K.-S. (2016) · Energy Conversion and Management · doi:10.1016/j.enconman.2015.11.028 · Cited by 68 · see citing works
Li, Z., Wei, W., Wang, W., Sun, Y., Wang, S., Lin, Y., Huang, C., & Deng, S. (2024) · Applied Thermal Engineering · doi:10.1016/j.applthermaleng.2023.122136 · Cited by 30 · see citing works
Self-citation
- Authors
- Li, L. T., Wang, W., Sun, Y. Y., Feng, Y. C., Lu, W. P., Zhu, J. H., & Ge, Y. J.
- Affiliations
- Beijing University of Technology (CN)
- Corresponding author
- Wang, W.
- Venue
- Applied Energy
- Publisher
- Elsevier BV
- Published
- 2014-12
- Volume
- 135
- Pages
- 98-107
- ISSN
- 0306-2619 (ISSN-L)
- OpenAlex
- W2048625502
- Cited by
- 58
- References
- 2
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 5 · 2023: 4 · 2022: 5 · 2021: 5 · 2020: 6 · 2019: 6 · 2018: 5 · 2017: 4 · 2016: 7 · 2015: 3 · 2014: 2
- FWCI
- 6.22
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Applied Energy (publishedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- Funders
- National Natural Science Foundation of China (51178015)
- National Twelfth five-year Science & Technology Support Plan (2011BAJ03B10)
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Refrigeration and Air Conditioning Technologies
- Physical Sciences › Engineering › Mechanical Engineering › Adsorption and Cooling Systems
- Physical Sciences › Engineering › Mechanical Engineering › Heat Transfer and Optimization
- Keywords
- air-source heat pump, performance degradation
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