CFD analysis and evaluation of heat transfer enhancement of internal flow in tubes with 3D-printed complex fins

Chao Weia, Kun Wang, Gabriel Alexander Vasquez Diaz, Peiwen Li

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Additive manufacturing (AM), also known as 3D printing technology, is applied to fabricate complex fin structures for heat transfer enhancement at inner surface of tubes, which conventional manufacturing technology cannot make. This work considered rectangular fins, scale fins, and delta fins with staggered alignment at the inner wall of heat transfer tubes for heat transfer enhancement of internal flows. Designed fin structures are trial-printed using plastic material to exam the printability. Laminar flow convective heat transfer has been numerically studied, and heat transfer performance of the tubes with 3D-printed interrupted fins has been compared to that with conventional straight continued fins. The benefit from heat transfer enhancement and the loss due to increased pumping pressure is evaluated using the total entropy generation rate in the control volume of heat transfer tube. As the conclusion of the study, better heat transfer tubes with 3D-printed internal fins are recommended.

Original languageEnglish (US)
Title of host publicationASME 2019 Heat Transfer Summer Conference, HT 2019, collocated with the ASME 2019 13th International Conference on Energy Sustainability
PublisherAmerican Society of Mechanical Engineers (ASME)
ISBN (Electronic)9780791859315
DOIs
StatePublished - Jan 1 2019
EventASME 2019 Heat Transfer Summer Conference, HT 2019, collocated with the ASME 2019 13th International Conference on Energy Sustainability - Bellevue, United States
Duration: Jul 14 2019Jul 17 2019

Publication series

NameASME 2019 Heat Transfer Summer Conference, HT 2019, collocated with the ASME 2019 13th International Conference on Energy Sustainability

Conference

ConferenceASME 2019 Heat Transfer Summer Conference, HT 2019, collocated with the ASME 2019 13th International Conference on Energy Sustainability
CountryUnited States
CityBellevue
Period7/14/197/17/19

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Keywords

  • 3D printing
  • CFD analysis
  • Complex internal fins
  • Heat transfer enhancement
  • Laminar flow

ASJC Scopus subject areas

  • Mechanical Engineering
  • Condensed Matter Physics

Cite this

Weia, C., Wang, K., Diaz, G. A. V., & Li, P. (2019). CFD analysis and evaluation of heat transfer enhancement of internal flow in tubes with 3D-printed complex fins. In ASME 2019 Heat Transfer Summer Conference, HT 2019, collocated with the ASME 2019 13th International Conference on Energy Sustainability (ASME 2019 Heat Transfer Summer Conference, HT 2019, collocated with the ASME 2019 13th International Conference on Energy Sustainability). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/HT2019-3630