Optimisation of the geometric parameters of longitudinally finned air cooler tubes operating in mixed convection conditions
Authors:
- Piotr Kopeć,
- Beata Niezgoda-Żelasko
Abstract
The results of optimisation calculations presented in the article are related to longitudinally finned tubes of a heat pump evaporator operating under natural wind-induced flow of outdoor air conditions. The finned surface is characterised by an unusual, wavy fin shape. The article presents the methodology applied to seeking optimal geometric parameters of the finned tube in which thermal calculations were performed by modelling a mixed convection process on the finned surface using the finite volume method. In the case of maximising the heat flow with the minimum mass of the fins, the optimal solution was dominated by the minimum mass of the fins and thus geometric parameters correspond to the number of fins n = 6, fin height h = 0.065 and fin thickness s = 0.0015 m. Optimisation calculations made for maximum efficiency of the exchanger at constant mass indicated that the tube with ten fins (n = 10) with a height of h = 0.11 m and a thickness of s = 0.0018 m allowed maximum heat flow at the assumed mass of the fins in the exchanger tube model. The article proposes a simplified method of determining the optimal geometric parameters of the profile for any mass and maximum thermal efficiency.
- Record ID
- CUT8b606afa5edb4412acb1433d785cc381
- Publication categories
- ; ;
- Author
- Journal series
- Processes, ISSN , e-ISSN 2227-9717, Monthly
- Issue year
- 2021
- Vol
- 9
- No
- 1
- Pages
- [1-15]
- Article number
- 111
- Other elements of collation
- il. (w tym kolor.); Bibliografia (na s.) - 13-15; Bibliografia (liczba pozycji) - 46; Oznaczenie streszczenia - Abstr.; Numeracja w czasopiśmie - Vol 9, Iss. 1
- Substantive notes
- Tyt. Spec. Iss.: Selected Paper from 7th International Conference on Renewable Energy Sources (ICoRES 2021) - Technical Aspects of RES
- Conference
- 7th International Conference on Renewable Energy Sources (ICoRES 2021), 2021, 09-05-2021 - 11-05-2021, Krynica, Polska
- Keywords in English
- heat pump evaporator, mixed convection, longitudinal finned tubes, optimisation of geometric parameters
- DOI
- DOI:10.3390/pr9010111 Opening in a new tab
- URL
- https://www.mdpi.com/2227-9717/9/1/111 Opening in a new tab
- Related project
- [N N512 458040] Intensyfikacja procesu wymiany ciepła w parowaczach powietrznych pomp ciepła pracujących w warunkach niskich prędkości przepływu powietrza. . Project leader at PK: , ,
- Language
- eng (en) English
- License
- Score (nominal)
- 70
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUT8b606afa5edb4412acb1433d785cc381/
- URN
urn:pkr-prod:CUT8b606afa5edb4412acb1433d785cc381
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.