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Fin-and-tube heat exchanger enhancement with a combined herringbone and vortex generator design

Tutkimustuotosvertaisarvioitu

Standard

Fin-and-tube heat exchanger enhancement with a combined herringbone and vortex generator design. / Välikangas, Turo; Singh, Shobhana; Sørensen, Kim; Condra, Thomas.

julkaisussa: International Journal of Heat and Mass Transfer, Vuosikerta 118, 2018, s. 602-616.

Tutkimustuotosvertaisarvioitu

Harvard

Välikangas, T, Singh, S, Sørensen, K & Condra, T 2018, 'Fin-and-tube heat exchanger enhancement with a combined herringbone and vortex generator design', International Journal of Heat and Mass Transfer, Vuosikerta. 118, Sivut 602-616. https://doi.org/10.1016/j.ijheatmasstransfer.2017.11.006

APA

Välikangas, T., Singh, S., Sørensen, K., & Condra, T. (2018). Fin-and-tube heat exchanger enhancement with a combined herringbone and vortex generator design. International Journal of Heat and Mass Transfer, 118, 602-616. https://doi.org/10.1016/j.ijheatmasstransfer.2017.11.006

Vancouver

Välikangas T, Singh S, Sørensen K, Condra T. Fin-and-tube heat exchanger enhancement with a combined herringbone and vortex generator design. International Journal of Heat and Mass Transfer. 2018;118:602-616. https://doi.org/10.1016/j.ijheatmasstransfer.2017.11.006

Author

Välikangas, Turo ; Singh, Shobhana ; Sørensen, Kim ; Condra, Thomas. / Fin-and-tube heat exchanger enhancement with a combined herringbone and vortex generator design. Julkaisussa: International Journal of Heat and Mass Transfer. 2018 ; Vuosikerta 118. Sivut 602-616.

Bibtex - Lataa

@article{a62c387e9c274e14a7e64c81fe61ed8c,
title = "Fin-and-tube heat exchanger enhancement with a combined herringbone and vortex generator design",
abstract = "Vortex generators (VGs) are the most commonly investigated enhancement methods in the field of improved heat exchangers. The aim of present work is to study the effect of VGs in a fin-and-tube heat exchanger (FTHE) with herringbone fin shape. The delta winglet VG design with length (s) and height (H) is selected based on previous studies. The investigated VG design is simple and considered realistic from the manufacturing point of view. The combined enhancement with herringbone fin and the VG is evaluated by simulating the conjugate heat transfer and the air flow. The structured mesh is created for both solid and fluid domains to solve the model numerically using a coupled open source solver in OpenFOAM. The influence of flow condition on the performance enhancement is studied by changing the Reynolds number in a range Re=1354–6157. The study showed that VGs not only increase the heat transfer in the herringbone fin but also decrease the pressure drop. The highest and longest investigated VG design is found to perform the best because of its ability to delay the flow detachment from the tube, to feed high kinetic energy flow to the recirculation zone and to create longitudinal vortices in the downstream region from the VG. The fin with VG design s=0.5D and H=0.6Fp enhances the overall performance by 5.23{\%} in comparison to the fin without VG. The results demonstrated the usefulness of VGs for the performance enhancement in connection with a herringbone fin design.",
keywords = "Conjugate heat transfer, Fin-and-tube heat exchanger, Herringbone fin, Vortex generator",
author = "Turo V{\"a}likangas and Shobhana Singh and Kim S{\o}rensen and Thomas Condra",
year = "2018",
doi = "10.1016/j.ijheatmasstransfer.2017.11.006",
language = "English",
volume = "118",
pages = "602--616",
journal = "International Journal of Heat and Mass Transfer",
issn = "0017-9310",
publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Fin-and-tube heat exchanger enhancement with a combined herringbone and vortex generator design

AU - Välikangas, Turo

AU - Singh, Shobhana

AU - Sørensen, Kim

AU - Condra, Thomas

PY - 2018

Y1 - 2018

N2 - Vortex generators (VGs) are the most commonly investigated enhancement methods in the field of improved heat exchangers. The aim of present work is to study the effect of VGs in a fin-and-tube heat exchanger (FTHE) with herringbone fin shape. The delta winglet VG design with length (s) and height (H) is selected based on previous studies. The investigated VG design is simple and considered realistic from the manufacturing point of view. The combined enhancement with herringbone fin and the VG is evaluated by simulating the conjugate heat transfer and the air flow. The structured mesh is created for both solid and fluid domains to solve the model numerically using a coupled open source solver in OpenFOAM. The influence of flow condition on the performance enhancement is studied by changing the Reynolds number in a range Re=1354–6157. The study showed that VGs not only increase the heat transfer in the herringbone fin but also decrease the pressure drop. The highest and longest investigated VG design is found to perform the best because of its ability to delay the flow detachment from the tube, to feed high kinetic energy flow to the recirculation zone and to create longitudinal vortices in the downstream region from the VG. The fin with VG design s=0.5D and H=0.6Fp enhances the overall performance by 5.23% in comparison to the fin without VG. The results demonstrated the usefulness of VGs for the performance enhancement in connection with a herringbone fin design.

AB - Vortex generators (VGs) are the most commonly investigated enhancement methods in the field of improved heat exchangers. The aim of present work is to study the effect of VGs in a fin-and-tube heat exchanger (FTHE) with herringbone fin shape. The delta winglet VG design with length (s) and height (H) is selected based on previous studies. The investigated VG design is simple and considered realistic from the manufacturing point of view. The combined enhancement with herringbone fin and the VG is evaluated by simulating the conjugate heat transfer and the air flow. The structured mesh is created for both solid and fluid domains to solve the model numerically using a coupled open source solver in OpenFOAM. The influence of flow condition on the performance enhancement is studied by changing the Reynolds number in a range Re=1354–6157. The study showed that VGs not only increase the heat transfer in the herringbone fin but also decrease the pressure drop. The highest and longest investigated VG design is found to perform the best because of its ability to delay the flow detachment from the tube, to feed high kinetic energy flow to the recirculation zone and to create longitudinal vortices in the downstream region from the VG. The fin with VG design s=0.5D and H=0.6Fp enhances the overall performance by 5.23% in comparison to the fin without VG. The results demonstrated the usefulness of VGs for the performance enhancement in connection with a herringbone fin design.

KW - Conjugate heat transfer

KW - Fin-and-tube heat exchanger

KW - Herringbone fin

KW - Vortex generator

U2 - 10.1016/j.ijheatmasstransfer.2017.11.006

DO - 10.1016/j.ijheatmasstransfer.2017.11.006

M3 - Article

VL - 118

SP - 602

EP - 616

JO - International Journal of Heat and Mass Transfer

JF - International Journal of Heat and Mass Transfer

SN - 0017-9310

ER -