Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates

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SOKOLNIKAS, Ignas ;ČIUPRINSKAS, Kęstutis ;ČIUPRINSKIENĖ, Jolanta .
Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 67, n.6, p. 302-310, july 2021. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/minimisation-of-the-life-cycle-cost-of-a-rotary-heat-exchanger-used-in-building-ventilation-systems-in-cold-climates/>. Date accessed: 17 sep. 2021. 
doi:http://dx.doi.org/10.5545/sv-jme.2021.7168.
Sokolnikas, I., Čiuprinskas, K., & Čiuprinskienė, J.
(2021).
Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates.
Strojniški vestnik - Journal of Mechanical Engineering, 67(6), 302-310.
doi:http://dx.doi.org/10.5545/sv-jme.2021.7168
@article{sv-jmesv-jme.2021.7168,
	author = {Ignas  Sokolnikas and Kęstutis  Čiuprinskas and Jolanta  Čiuprinskienė},
	title = {Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {67},
	number = {6},
	year = {2021},
	keywords = {rotary heat exchanger, heat recovery, ventilation system, temperature efficiency, pressure loss, ANSYS, lifecycle cost},
	abstract = {This article presents an analysis of rotary heat exchangers (RHE) used as heat recovery units in building ventilation systems in cold climates. Usually, heat exchangers with the highest heat transfer efficiency are the preferable option for this purpose. However, such exchangers usually have the highest media pressure drop, thus requiring the highest amount of energy for media transportation. In this study, the problem is solved by analysing the lifecycle cost (LCC) of the RHE including both the recovered heat and the electricity consumed in the fans of the air handling unit (AHU). The purpose of the investigation was to determine the optimal set of geometrical characteristics such as the exchanger’s length, foil thickness, the height and width of the air channel. Two hundred and seventy different combinations were examined using analytical dependencies and ANSYS simulations. The results are compared with experimental data obtained earlier at the KOMFOVENT laboratory. The results show that the best overall energy efficiency is obtained in heat exchangers that do not offer the best heat recovery efficiency, and LCC differences in the same climatic and economic conditions can go as high as 31 %, mainly due to the geometrical parameters of the heat exchanger.},
	issn = {0039-2480},	pages = {302-310},	doi = {10.5545/sv-jme.2021.7168},
	url = {https://www.sv-jme.eu/article/minimisation-of-the-life-cycle-cost-of-a-rotary-heat-exchanger-used-in-building-ventilation-systems-in-cold-climates/}
}
Sokolnikas, I.,Čiuprinskas, K.,Čiuprinskienė, J.
2021 July 67. Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 67:6
%A Sokolnikas, Ignas 
%A Čiuprinskas, Kęstutis 
%A Čiuprinskienė, Jolanta 
%D 2021
%T Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates
%B 2021
%9 rotary heat exchanger, heat recovery, ventilation system, temperature efficiency, pressure loss, ANSYS, lifecycle cost
%! Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates
%K rotary heat exchanger, heat recovery, ventilation system, temperature efficiency, pressure loss, ANSYS, lifecycle cost
%X This article presents an analysis of rotary heat exchangers (RHE) used as heat recovery units in building ventilation systems in cold climates. Usually, heat exchangers with the highest heat transfer efficiency are the preferable option for this purpose. However, such exchangers usually have the highest media pressure drop, thus requiring the highest amount of energy for media transportation. In this study, the problem is solved by analysing the lifecycle cost (LCC) of the RHE including both the recovered heat and the electricity consumed in the fans of the air handling unit (AHU). The purpose of the investigation was to determine the optimal set of geometrical characteristics such as the exchanger’s length, foil thickness, the height and width of the air channel. Two hundred and seventy different combinations were examined using analytical dependencies and ANSYS simulations. The results are compared with experimental data obtained earlier at the KOMFOVENT laboratory. The results show that the best overall energy efficiency is obtained in heat exchangers that do not offer the best heat recovery efficiency, and LCC differences in the same climatic and economic conditions can go as high as 31 %, mainly due to the geometrical parameters of the heat exchanger.
%U https://www.sv-jme.eu/article/minimisation-of-the-life-cycle-cost-of-a-rotary-heat-exchanger-used-in-building-ventilation-systems-in-cold-climates/
%0 Journal Article
%R 10.5545/sv-jme.2021.7168
%& 302
%P 9
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 67
%N 6
%@ 0039-2480
%8 2021-07-05
%7 2021-07-05
Sokolnikas, Ignas, Kęstutis  Čiuprinskas, & Jolanta  Čiuprinskienė.
"Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates." Strojniški vestnik - Journal of Mechanical Engineering [Online], 67.6 (2021): 302-310. Web.  17 Sep. 2021
TY  - JOUR
AU  - Sokolnikas, Ignas 
AU  - Čiuprinskas, Kęstutis 
AU  - Čiuprinskienė, Jolanta 
PY  - 2021
TI  - Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2021.7168
KW  - rotary heat exchanger, heat recovery, ventilation system, temperature efficiency, pressure loss, ANSYS, lifecycle cost
N2  - This article presents an analysis of rotary heat exchangers (RHE) used as heat recovery units in building ventilation systems in cold climates. Usually, heat exchangers with the highest heat transfer efficiency are the preferable option for this purpose. However, such exchangers usually have the highest media pressure drop, thus requiring the highest amount of energy for media transportation. In this study, the problem is solved by analysing the lifecycle cost (LCC) of the RHE including both the recovered heat and the electricity consumed in the fans of the air handling unit (AHU). The purpose of the investigation was to determine the optimal set of geometrical characteristics such as the exchanger’s length, foil thickness, the height and width of the air channel. Two hundred and seventy different combinations were examined using analytical dependencies and ANSYS simulations. The results are compared with experimental data obtained earlier at the KOMFOVENT laboratory. The results show that the best overall energy efficiency is obtained in heat exchangers that do not offer the best heat recovery efficiency, and LCC differences in the same climatic and economic conditions can go as high as 31 %, mainly due to the geometrical parameters of the heat exchanger.
UR  - https://www.sv-jme.eu/article/minimisation-of-the-life-cycle-cost-of-a-rotary-heat-exchanger-used-in-building-ventilation-systems-in-cold-climates/
@article{{sv-jme}{sv-jme.2021.7168},
	author = {Sokolnikas, I., Čiuprinskas, K., Čiuprinskienė, J.},
	title = {Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {67},
	number = {6},
	year = {2021},
	doi = {10.5545/sv-jme.2021.7168},
	url = {https://www.sv-jme.eu/article/minimisation-of-the-life-cycle-cost-of-a-rotary-heat-exchanger-used-in-building-ventilation-systems-in-cold-climates/}
}
TY  - JOUR
AU  - Sokolnikas, Ignas 
AU  - Čiuprinskas, Kęstutis 
AU  - Čiuprinskienė, Jolanta 
PY  - 2021/07/05
TI  - Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 67, No 6 (2021): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2021.7168
KW  - rotary heat exchanger, heat recovery, ventilation system, temperature efficiency, pressure loss, ANSYS, lifecycle cost
N2  - This article presents an analysis of rotary heat exchangers (RHE) used as heat recovery units in building ventilation systems in cold climates. Usually, heat exchangers with the highest heat transfer efficiency are the preferable option for this purpose. However, such exchangers usually have the highest media pressure drop, thus requiring the highest amount of energy for media transportation. In this study, the problem is solved by analysing the lifecycle cost (LCC) of the RHE including both the recovered heat and the electricity consumed in the fans of the air handling unit (AHU). The purpose of the investigation was to determine the optimal set of geometrical characteristics such as the exchanger’s length, foil thickness, the height and width of the air channel. Two hundred and seventy different combinations were examined using analytical dependencies and ANSYS simulations. The results are compared with experimental data obtained earlier at the KOMFOVENT laboratory. The results show that the best overall energy efficiency is obtained in heat exchangers that do not offer the best heat recovery efficiency, and LCC differences in the same climatic and economic conditions can go as high as 31 %, mainly due to the geometrical parameters of the heat exchanger.
UR  - https://www.sv-jme.eu/article/minimisation-of-the-life-cycle-cost-of-a-rotary-heat-exchanger-used-in-building-ventilation-systems-in-cold-climates/
Sokolnikas, Ignas, Čiuprinskas, Kęstutis, AND Čiuprinskienė, Jolanta.
"Minimization of the Lifecycle Cost of a Rotary Heat Exchanger Used in Building Ventilation Systems in Cold Climates" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 67 Number 6 (05 July 2021)

Authors

Affiliations

  • Salda UAB, Lithuania 1
  • Vilnius Gediminas Technical University, Lithuania 2

Paper's information

Strojniški vestnik - Journal of Mechanical Engineering 67(2021)6, 302-310

https://doi.org/10.5545/sv-jme.2021.7168

This article presents an analysis of rotary heat exchangers (RHE) used as heat recovery units in building ventilation systems in cold climates. Usually, heat exchangers with the highest heat transfer efficiency are the preferable option for this purpose. However, such exchangers usually have the highest media pressure drop, thus requiring the highest amount of energy for media transportation. In this study, the problem is solved by analysing the lifecycle cost (LCC) of the RHE including both the recovered heat and the electricity consumed in the fans of the air handling unit (AHU). The purpose of the investigation was to determine the optimal set of geometrical characteristics such as the exchanger’s length, foil thickness, the height and width of the air channel. Two hundred and seventy different combinations were examined using analytical dependencies and ANSYS simulations. The results are compared with experimental data obtained earlier at the KOMFOVENT laboratory. The results show that the best overall energy efficiency is obtained in heat exchangers that do not offer the best heat recovery efficiency, and LCC differences in the same climatic and economic conditions can go as high as 31 %, mainly due to the geometrical parameters of the heat exchanger.

rotary heat exchanger, heat recovery, ventilation system, temperature efficiency, pressure loss, ANSYS, lifecycle cost