Numerical Comparison Using CFD of R134a and R600a Condensation in Helical and Spiral Exchangers

Fernando Toapanta Ramos; Tito Hidalgo; Jefferson Parra; William Quitiaquez

doi:10.1007/978-3-031-32213-6_31

Numerical Comparison Using CFD of R134a and R600a Condensation in Helical and Spiral Exchangers

Fernando Toapanta Ramos, Tito Hidalgo, Jefferson Parra, William Quitiaquez

Research Group on Renewable Energy and Mechanical Implementation of SMEs (GIERIMP)

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The objective of this research document is to analyze numerically through the ANSYS software using the CFD (Computational Fluid Dynamics) tool, to determine the behavior of refrigerants R134a and R600a in the condensation process that is generated in the helical and spiral exchangers. For the investigation, fluid mechanics parameters were adjusted as thermal, for this the work equations were obtained through different texts and investigations and initial parameters were established for the work fluids and characteristics of the pipe. In addition, in the specific analysis of condensation, the Fluent tool of the ANSYS software was used, defining the mesh and applying the Euler volume fraction model. It is evident that the best results obtained in the simulations correspond to cases E and M with ambient temperatures of 20 ℃ and 17 ℃ at an inlet velocity of 1.2 m/s with geometry of the helical-type exchanger for refrigerants. R134a and R600a, respectively. Where outlet temperatures of 296.025 K and 295.622 K are obtained, in addition to visualizing that in all the study cases the condensation phenomenon occurs and the temperature at the outlet of the coil register values like those obtained numerically.

Original language	English
Title of host publication	Smart Technologies, Systems and Applications - 3rd International Conference, SmartTech-IC 2022, Revised Selected Papers
Editors	Fabián R. Narváez, Fernando Urgilés, Juan Pablo Salgado-Guerrero, Teodiano Freire Bastos-Filho
Publisher	Springer Science and Business Media Deutschland GmbH
Pages	425-438
Number of pages	14
ISBN (Print)	9783031322129
DOIs	https://doi.org/10.1007/978-3-031-32213-6_31
State	Published - 2023
Event	3rd International Conference on Smart Technologies, Systems and Applications, SmartTech-IC 2022 - Cuenca, Ecuador Duration: 16 Nov 2022 → 18 Nov 2022

Publication series

Name	Communications in Computer and Information Science
Volume	1705 CCIS
ISSN (Print)	1865-0929
ISSN (Electronic)	1865-0937

Conference

Conference	3rd International Conference on Smart Technologies, Systems and Applications, SmartTech-IC 2022
Country/Territory	Ecuador
City	Cuenca
Period	16/11/22 → 18/11/22

Bibliographical note

Funding Information:
The authors of this research thank the mechanical engineering career of the Salesian Polytechnic University, the Research Group on Renewable Energies and Mechanical Implementation of SMEs GIERIMP, Industrial Production Research Group (GIPI) and the Branch ASHRAE UPS-QUITO.

Publisher Copyright:
© 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.

Keywords

ANSYS
CFD
condenser
helical
R134a
R600a
refrigerant
spiral

Access to Document

10.1007/978-3-031-32213-6_31

Cite this

Toapanta Ramos, F., Hidalgo, T., Parra, J., & Quitiaquez, W. (2023). Numerical Comparison Using CFD of R134a and R600a Condensation in Helical and Spiral Exchangers. In F. R. Narváez, F. Urgilés, J. P. Salgado-Guerrero, & T. F. Bastos-Filho (Eds.), Smart Technologies, Systems and Applications - 3rd International Conference, SmartTech-IC 2022, Revised Selected Papers (pp. 425-438). (Communications in Computer and Information Science; Vol. 1705 CCIS). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-031-32213-6_31

Toapanta Ramos, Fernando ; Hidalgo, Tito ; Parra, Jefferson et al. / Numerical Comparison Using CFD of R134a and R600a Condensation in Helical and Spiral Exchangers. Smart Technologies, Systems and Applications - 3rd International Conference, SmartTech-IC 2022, Revised Selected Papers. editor / Fabián R. Narváez ; Fernando Urgilés ; Juan Pablo Salgado-Guerrero ; Teodiano Freire Bastos-Filho. Springer Science and Business Media Deutschland GmbH, 2023. pp. 425-438 (Communications in Computer and Information Science).

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abstract = "The objective of this research document is to analyze numerically through the ANSYS software using the CFD (Computational Fluid Dynamics) tool, to determine the behavior of refrigerants R134a and R600a in the condensation process that is generated in the helical and spiral exchangers. For the investigation, fluid mechanics parameters were adjusted as thermal, for this the work equations were obtained through different texts and investigations and initial parameters were established for the work fluids and characteristics of the pipe. In addition, in the specific analysis of condensation, the Fluent tool of the ANSYS software was used, defining the mesh and applying the Euler volume fraction model. It is evident that the best results obtained in the simulations correspond to cases E and M with ambient temperatures of 20 ℃ and 17 ℃ at an inlet velocity of 1.2 m/s with geometry of the helical-type exchanger for refrigerants. R134a and R600a, respectively. Where outlet temperatures of 296.025 K and 295.622 K are obtained, in addition to visualizing that in all the study cases the condensation phenomenon occurs and the temperature at the outlet of the coil register values like those obtained numerically.",

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Toapanta Ramos, F, Hidalgo, T, Parra, J & Quitiaquez, W 2023, Numerical Comparison Using CFD of R134a and R600a Condensation in Helical and Spiral Exchangers. in FR Narváez, F Urgilés, JP Salgado-Guerrero & TF Bastos-Filho (eds), Smart Technologies, Systems and Applications - 3rd International Conference, SmartTech-IC 2022, Revised Selected Papers. Communications in Computer and Information Science, vol. 1705 CCIS, Springer Science and Business Media Deutschland GmbH, pp. 425-438, 3rd International Conference on Smart Technologies, Systems and Applications, SmartTech-IC 2022, Cuenca, Ecuador, 16/11/22. https://doi.org/10.1007/978-3-031-32213-6_31

Numerical Comparison Using CFD of R134a and R600a Condensation in Helical and Spiral Exchangers. / Toapanta Ramos, Fernando; Hidalgo, Tito; Parra, Jefferson et al.
Smart Technologies, Systems and Applications - 3rd International Conference, SmartTech-IC 2022, Revised Selected Papers. ed. / Fabián R. Narváez; Fernando Urgilés; Juan Pablo Salgado-Guerrero; Teodiano Freire Bastos-Filho. Springer Science and Business Media Deutschland GmbH, 2023. p. 425-438 (Communications in Computer and Information Science; Vol. 1705 CCIS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - The objective of this research document is to analyze numerically through the ANSYS software using the CFD (Computational Fluid Dynamics) tool, to determine the behavior of refrigerants R134a and R600a in the condensation process that is generated in the helical and spiral exchangers. For the investigation, fluid mechanics parameters were adjusted as thermal, for this the work equations were obtained through different texts and investigations and initial parameters were established for the work fluids and characteristics of the pipe. In addition, in the specific analysis of condensation, the Fluent tool of the ANSYS software was used, defining the mesh and applying the Euler volume fraction model. It is evident that the best results obtained in the simulations correspond to cases E and M with ambient temperatures of 20 ℃ and 17 ℃ at an inlet velocity of 1.2 m/s with geometry of the helical-type exchanger for refrigerants. R134a and R600a, respectively. Where outlet temperatures of 296.025 K and 295.622 K are obtained, in addition to visualizing that in all the study cases the condensation phenomenon occurs and the temperature at the outlet of the coil register values like those obtained numerically.

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Toapanta Ramos F, Hidalgo T, Parra J, Quitiaquez W. Numerical Comparison Using CFD of R134a and R600a Condensation in Helical and Spiral Exchangers. In Narváez FR, Urgilés F, Salgado-Guerrero JP, Bastos-Filho TF, editors, Smart Technologies, Systems and Applications - 3rd International Conference, SmartTech-IC 2022, Revised Selected Papers. Springer Science and Business Media Deutschland GmbH. 2023. p. 425-438. (Communications in Computer and Information Science). doi: 10.1007/978-3-031-32213-6_31

Numerical Comparison Using CFD of R134a and R600a Condensation in Helical and Spiral Exchangers

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Keywords

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