E3S Web Conf.
Volume 130, 2019The 1st International Conference on Automotive, Manufacturing, and Mechanical Engineering (IC-AMME 2018)
|Number of page(s)||10|
|Published online||15 November 2019|
3D Simulative Investigation of Heat Transfer Enhancement Using Three Vortex Generator Types Surrounding Tube in Plate Fin Heat Exchanger
Department of Mechanical Engineering, Sanata Dharma University,
Jl. Affandi, Mrican, Caturtunggal,
2 Department of Mechanical Engineering, Sanata Dharma University, Jl. Affandi, Mrican, Caturtunggal, Depok, Sleman, DIY 55281 Indonesia
3 Department of Mechanical Engineering, Gajah Mada University, Jl. Grafika No.2, Senolowo, Sinduadi, Yogyakarta 55284 Indonesia
4 Post Doc in Environmental Science and Engineering, Department of Biology and Environmental Science, Linnaeus University, SE-391 82 Kalmar, Sweden
* Corresponding author: email@example.com
Vortex generator is a method to enhancing of heat exchanger performance but still have some disadvantages when the heat transfer performance increase. One of the disadvantage using vortex generator is high pressure drop. This investigation will be compared three type vortex generators to result the overall performance of heat transfer around tube in plate fin heat exchanger. The three types of vortex generator to investigate are rectangular winglet type, delta winglet type, and trapezoidal winglet type in laminar flow. The result showed that using the kind of trapezoidal winglet pair type in the plate fin and tube heat exchanger consist of six rows of round tube with two neighboring fins form a channel better performance than two types vortex generators such as rectangular winglet type and delta winglet type. The heat transfer coefficient when use trapezoidal winglet type was increased almost same with rectangular winglet type and pressure drop was decreased more than delta winglet type.
Key words: Longitudinal vortices / nusselt number / pressure drop.
© The Authors, published by EDP Sciences, 2019
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