Frosting behaviors and thermal performance of louvered fins with unequal louver pitch
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The heat exchanger with a 20% successively decreased louver pitch from the inlet region to the redirection region provided a more uniform frost layer distribution and at least a 13% improvement in thermal performance when compared with the heat exchanger with a 20% successively increased louver pitch.
“The heat exchanger with a 20% successively decreased louver pitch from the inlet region to the redirection region provided a more uniform frost layer distribution and at least a 13% improvement in thermal performance when compared with the heat exchanger with a 20% successively increased louver pitch.”
The frost blocking on the front side of the MCHX with unequal louver pitch was delayed and the thermal performance was improved by at least 21% when compared to the MCHX with equal louver pitch.
“Results demonstrated that the frost blocking on the front side of the MCHX with unequal louver pitch was delayed and the thermal performance was improved by at least 21% when compared to the MCHX with equal louver pitch.”
Two new types of louvered fins, one with unequal louver pitch and the other with vortex generators, can significantly enhance the uniformity of frosting along the air flow direction.
“The experimental results showed both can significantly enhance the uniformity of frosting along the air flow di rection.”
From Frosting mechanism and behaviors on surfaces with simple geometries: A state-of-the-art literature review (2022) · cites this paper as [145]
The set of louvered fins with unequal louver pitch and that with vortex generators can improve the thermal performance by 21% and 28%, respectively.
“The set of louvered fins with unequal louver pitch and that with vortex generators can improve the thermal performance by 21% and 28%, respectively.”
From Frosting mechanism and behaviors on surfaces with simple geometries: A state-of-the-art literature review (2022) · cites this paper as [145]
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Self-citation
- Authors
- Park, J.-S., Kim, D. R., & Lee, K.-S.
- Affiliations
- Hanyang University (KR)
- Corresponding author
- Lee, Kwan-Soo
- Venue
- International Journal of Heat and Mass Transfer
- Publisher
- Elsevier BV
- Published
- 2016-04
- Volume
- 95
- Pages
- 499-505
- ISSN
- 0017-9310 (ISSN-L)
- OpenAlex
- W2219982195
- Cited by
- 51
- References
- 17
- Citations by year
- 2026: 5 · 2025: 4 · 2024: 6 · 2023: 7 · 2022: 8 · 2021: 4 · 2020: 2 · 2019: 4 · 2018: 4 · 2017: 7
- FWCI
- 3.60
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- International Journal of Heat and Mass Transfer (publishedVersion)
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Heat Transfer and Optimization
- Physical Sciences › Engineering › Mechanical Engineering › Heat Transfer Mechanisms
- Physical Sciences › Engineering › Aerospace Engineering › Icing and De-icing Technologies
- Keywords
- louvered fins, air-to-air heat exchanger, thermal performance, frost growth
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