A study on the performance enhancement of heat pump using electric heater under the frosting condition: Heat pump under frosting condition
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At outdoor temperature 4 °C dry bulb/2 °C wet bulb, proposed heat pump had heating capacity 9.1% higher and average COP 71.1% higher than conventional heat pump, and average power consumption 31.6% lower.
“At an outdoor temperature of 4 ° C (dry bulb)/2 ° C (wet bulb), the heating capacity and the average COP of the proposed model were 9.1% and 71.1% higher than those of a conventional heat pump, respectively (Fig. 6). The average power consumption during operation was 31.6% lower than that of a conventional heat pump.”
At outdoor temperature 2 °C dry bulb/1 °C wet bulb, proposed heat pump with electric heater had heating capacity 38.0% higher and average COP 57.0% higher than conventional heat pump, and average power consumption 11.7% less.
“At an outdoor temperature of 2 ° C (dry bulb)/1 ° C (wet bulb), the heating capacity and average COP of the proposed model were 38.0% and 57.0%, respectively, higher than those of a conventional heat pump. Indeed, the average power consumption during operation was 11.7% less than that of a conventional pump.”
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
Hot gas defrost model development and validation
Hoffenbecker, N., Klein, S. A., & Reindl, D. T. (2005) · International Journal of Refrigeration · doi:10.1016/j.ijrefrig.2004.08.016 · Cited by 84 · 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
Amer, M., & Wang, C.-C. (2017) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2017.01.120 · Cited by 218 · 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
Song, M., Fan, C., Mao, N., & Xu, Y. (2018) · Energy and Buildings · doi:10.1016/j.enbuild.2018.08.027 · Cited by 51 · see citing works
A new method of defrosting evaporator coils
Mader, G., & Thybo, C. (2012) · Applied Thermal Engineering · doi:10.1016/j.applthermaleng.2012.01.033 · Cited by 37 · see citing works
Experimental investigation on an air source heat pump system with a novel anti-frosting evaporator
Yu, S., Su, Y., Cai, W., & Qiu, G. (2023) · Applied Thermal Engineering · doi:10.1016/j.applthermaleng.2022.119910 · Cited by 29 · see citing works
Sarmiento, A. P., de Sá Sarmiento, F. I. P., Shooshtari, A., & Ohadi, M. (2024) · Applied Thermal Engineering · doi:10.1016/j.applthermaleng.2024.123680 · Cited by 29 · see citing works
Experimental study of solution defrosting characteristics of air source heat pump
Jiang, P., Zhang, Y., Fan, H., Jin, Q., & Yu, Y. (2024) · Applied Thermal Engineering · doi:10.1016/j.applthermaleng.2023.121575 · Cited by 7 · see citing works
- Authors
- Kwak, K., & Bai, C.
- Affiliations
- Yeungnam University (KR)
- Corresponding author
- Bai, Cheolho
- ORCID
- Bai, Cheolho
- Venue
- Applied Thermal Engineering
- Publisher
- Elsevier BV
- Published
- 2010-05
- Volume
- 30
- Issue
- 6-7
- Pages
- 539-543
- ISSN
- 1359-4311 (ISSN-L)
- OpenAlex
- W1978779117
- Cited by
- 101
- References
- 2
- Citations by year
- 2026: 6 · 2025: 10 · 2024: 13 · 2023: 7 · 2022: 8 · 2021: 6 · 2020: 9 · 2019: 7 · 2018: 7 · 2017: 12 · 2016: 4 · 2015: 3 · 2014: 5 · 2013: 1 · 2012: 1
- FWCI
- 2.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Applied Thermal Engineering (publishedVersion)
- Funders
- Yeungnam University
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Refrigeration and Air Conditioning Technologies
- Physical Sciences › Engineering › Mechanical Engineering › Adsorption and Cooling Systems
- Physical Sciences › Engineering › Building and Construction › Building Energy and Comfort Optimization
- Keywords
- air-to-air heat pump, frost formation, electric heater, heating capacity, coefficient of performance, outdoor unit, evaporator temperature control, on-off operation
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