Design optimization of a shell-and-tube heat exchanger with novel three-zonal baffle by using CFD and taguchi method

Biçer, Nihat; Engin, Tahsin; Yaşar, Halit; Büyükkaya, Ekrem; Arısoy, Ahmet; Topuz, Adnan

doi:10.1016/j.ijthermalsci.2020.106417

Cited by 76 publications

(20 citation statements)

References 41 publications

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“…Similar simulations from the literature are done under the same model as Wang et al [13], Demartini et al [36], Yang and Hwang [41], Biç er et al [42], Lv et al [43], etc.…”

Section: Flow Modelmentioning

confidence: 97%

Enhanced Heat Transfer by Oil/Multi-Walled Carbon Nano-Tubes Nanofluid

Boursas¹,

Salmi²,

Lorenzini³

et al. 2021

ACSM

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The subject of the study is mainly based on thermal reinforcement by an oily fluid containing nanometer particles of carbon. The study is carried out by the presence of discontinuous bars in two different shapes, i.e. flat and V, inside a horizontal heat exchanger. The study relies on simulations in thermal and dynamic terms from the literature. The turbulence effect is diagnosed by applying the k-ε model, while the flow hydrothermal transport relationships are modeled based on the finite volume technique. Both the flow and heat-transfer aspects of all channel regions are studied and analyzed. The new heat-exchanger structure has been enhanced in the presence of these discontinuous bars by reducing the friction coefficient and eliminating stations with poor transfer of heat behind these deflectors.

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“…Similar simulations from the literature are done under the same model as Wang et al [13], Demartini et al [36], Yang and Hwang [41], Biç er et al [42], Lv et al [43], etc.…”

Section: Flow Modelmentioning

confidence: 97%

Enhanced Heat Transfer by Oil/Multi-Walled Carbon Nano-Tubes Nanofluid

Boursas¹,

Salmi²,

Lorenzini³

et al. 2021

ACSM

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“…A helical baffle is an example of a transfigured baffle for heat transfer enhancement. Some researchers claim that baffles have the ability to reduce pressure drop through the shell side [29,30]. Petinrin and Dare [31] experimentally examined the effect of convex cut of baffles on hydrodynamic performance of heat exchanger operating with water.…”

Section: Introductionmentioning

confidence: 99%

Combination Effect of Baffle Arrangement and Hybrid Nanofluid on Thermal Performance of a Shell and Tube Heat Exchanger Using 3-D Homogeneous Mixture Model

Alazwari

Safaei

2021

Mathematics

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In this study, thermal performance and flow characteristics of a shell and tube heat exchanger equipped with various baffle angles were studied. The heat exchanger was operated with distilled water, and a hybrid nanofluid at three concentrations of 0.04% and 0.10% of GNP-Ag/water within Reynolds numbers ranged between 10,000 and 20,000. The thermophysical properties of nanofluid varied with temperature and nanoparticles’ concentration. The baffle angles were set at 45°, 90°, 135°, and 180°. Results showed that the calculated Nusselt number (Nu) could be improved by adding nanoparticles to the distilled water or increasing the fluid’s Reynolds number. At a low Re number, the Nu corresponding to baffle angle of 135° was very close to that recorded for the angle of 180°. At Re = 20,000, the Nu number was the highest (by 35% compared to the reference case), belonging to a baffle angle of 135°. Additionally, results related to friction factor and pressure drop showed that more locations with fluid blocking were observed by increasing the baffle angle, resulting in increased pressure drop value and friction. Finally, the temperature streamlines counter showed that the best baffle angle could be 135° in which maximum heat removal and the best thermal performance can be observed.

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“…Due to the large number of degrees of freedom (geometrical parameters, operating conditions), many researches recently focused on the design optimization of STHE with improved effectiveness and reduced capital cost as objective functions. Bicer et al [6] combined a CFD analysis using the standard k- model and the Taguchi method to investigate various shapes of baffles for STHE. Three-zonal baffles exhibited the lowest pressure drop while keeping high thermal performances.…”

Section: Introductionmentioning

confidence: 99%

Numerical ModellingOf a Rectangular Shell-And-Tube Heat Exchanger

Slimene¹,

Poncet²,

Bessrour³

et al. 2021

Proceedings of the 6th World Congress on Momentum, Heat and Mass Transfer

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Numerical simulations have been carried out to investigate the turbulent flows and coupled conductive/convective heat transfers in a glycol to water shell-and-tube heat exchanger (one shell, one tube and six passes). The refrigerant (glycol) flows in the tube, and a secondary fluid (water) flows in the shell. The k-ω SST model is used to close the system of equations in the turbulent regime. The present model is first favorably compared and validated against experimental and numerical data available in the literature. It is then extended to consider the shell-and-tube configuration with a rectangular shell. Its thermo-hydraulic performances in the tube side are quantified for Reynolds numbers ranging from 1.0310³ to 1.4710 5 . The performance of the heat exchanger is then enhanced by introducing baffles in the shell. The results are finally compared and discussed in terms of three global performance metrics.

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Design optimization of a shell-and-tube heat exchanger with novel three-zonal baffle by using CFD and taguchi method

Cited by 76 publications

References 41 publications

Enhanced Heat Transfer by Oil/Multi-Walled Carbon Nano-Tubes Nanofluid

Enhanced Heat Transfer by Oil/Multi-Walled Carbon Nano-Tubes Nanofluid

Combination Effect of Baffle Arrangement and Hybrid Nanofluid on Thermal Performance of a Shell and Tube Heat Exchanger Using 3-D Homogeneous Mixture Model

Numerical ModellingOf a Rectangular Shell-And-Tube Heat Exchanger

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