Numerical evaluation of an additively manufactured uniform fractal flow mixer

Priyambodo, Muhammad Dary Mahadika; Mazur, Maciej; Patel, Jim; Sun, Bo; Pareek, Vishnu; Brandt, Milan; Webley, Paul A.; Bhatelia, Tejas

doi:10.1016/j.cep.2022.109047

Cited by 3 publications

(3 citation statements)

References 35 publications

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“…The maximum relative standard deviation was ca. 8 %; thus, the flow was proved to be uniformly mixed [17].…”

Section: Distributor Main Results Referencementioning

confidence: 98%

“…All AM technologies follow the same principle, i.e., deposition of successive layers of materials to create 3D objects directly from a computer-generated model. AM has been employed in many applications, such as the design of (microfluidic) reactors [20][21][22], catalyst carriers and structured packings [23][24][25], tailored laboratory and reaction ware [26,27], and flow distributors [17,28].…”

Section: Distributor Main Results Referencementioning

confidence: 99%

“…Priyambodo et al [17] used two different AM techniques (vat photopolymerization and laser powder bed fusion ) to build a fractal flow mixer with bifurcating channels (see Tab. 1).…”

Section: Distributor Main Results Referencementioning

confidence: 99%

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ChannelCOMB Device for Mesostructured Reactors and Networks of Reactors

et al. 2023

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ChannelCOMB, a consecutive flow distributor, was constructed by additive manufacturing (AM) for experimental validation. The feasibility of using AM was experimentally analyzed for two techniques: stereolithography (tolerance of 50 µm) and fused deposition modeling (tolerance of 100 µm). For the best ChannelCOMB configuration, SLA printing shows a maximum of ca. 4 % in flow deviation, while FDM has a maximum of ca. 15 %. Thus, the SLA technique promotes better flow uniformity due to the fabrication tolerance and material permeability. The results also show that the experimental flow distribution measured for the best ChannelCOMB configuration printed by SLA can be well predicted by both computational fluid dynamics simulations and a model based on resistance analogs proposed in a previous work.

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“…The maximum relative standard deviation was ca. 8 %; thus, the flow was proved to be uniformly mixed [17].…”

Section: Distributor Main Results Referencementioning

confidence: 98%

Section: Distributor Main Results Referencementioning

confidence: 99%

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ChannelCOMB Device for Mesostructured Reactors and Networks of Reactors

et al. 2023

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Gas-liquid hydrodynamics of a fractal flow mixer

Priyambodo,

Bhatelia,

Shah

et al. 2023

Chemical Engineering and Processing - Process Intensification

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Reducing the Flow Maldistribution in Heat Exchangers through a Novel Polymer Manifold: Numerical Evaluation

Zhang,

Yang,

et al. 2023

Energies

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The maldistribution of working fluid is one of the issues in heat exchangers that causes a reduction in performance of not only the heat exchanger but also the entire HVAC system. One of the methods to reduce such maldistribution is to improve manifold design to evenly distribute the flow. In the present work, an advanced maldistribution reduction manifold, which was based on a preliminary maldistribution reduction manifold, was designed to further improve the flow distribution in the heat exchanger. In the design, spiral baffles are used to create vortices in the tubes to regulate the flow in each tube. The design also keeps the tubes away from the manifold inlet to avoid direct flow from the inlet. Due to the complexity, the design of the advanced maldistribution reduction manifold is for AM only, which cannot be fabricated by traditional manufacturing. To evaluate the design, a computational fluid dynamic model is developed to study flow distribution in heat exchanger manifolds. The simulation results reveal that the relative standard deviation of the tubes in the advanced maldistribution reduction design is half of the preliminary maldistribution reduction design and about 1/20 of the reference design.

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Numerical evaluation of an additively manufactured uniform fractal flow mixer

Cited by 3 publications

References 35 publications

ChannelCOMB Device for Mesostructured Reactors and Networks of Reactors

ChannelCOMB Device for Mesostructured Reactors and Networks of Reactors

Gas-liquid hydrodynamics of a fractal flow mixer

Reducing the Flow Maldistribution in Heat Exchangers through a Novel Polymer Manifold: Numerical Evaluation

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