Topology optimization applied to the development of small scale pump

Sá, Luís Fernando Nogueira de; Romero, J.; Horikawa, Oswaldo; Silva, E. C. N.

doi:10.1007/s00158-018-1966-7

Cited by 20 publications

(11 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In adsorption systems, it is verified that topology optimisation presented improvements when distributing different materials inside the system . The reliability of the obtained solutions was also verified experimentally (Sá et al 2018).…”

Section: Introductionmentioning

confidence: 66%

Functionally graded optimisation of adsorption systems with phase change materials

Prado

Amigo

Hewson

et al. 2021

Struct Multidisc Optim

Self Cite

View full text Add to dashboard Cite

Adsorption phenomena are encountered in several engineering applications. One of its uses is in the storage and transport of gas in the form of adsorption tanks. The exothermic nature of the adsorption process decreases adsorption capacity presenting an impetus to understand the thermal characteristics of the gas storage process. Studies using mixtures of phase change materials and adsorbents in adsorption tanks demonstrate potential improvements in the adsorption capacity of the tanks. They also show that the distribution of phase change materials and adsorbent are important. Thus, this work presents two approaches for optimising the adsorbent domain. The first is to use a semi-analytic model to determine the best homogeneous material concentration for the adsorbent and phase change material for the vessel composition. The other is to use a 2D axisymmetric model to perform FGM optimisation to distribute material in the tank. Results for both models are presented and discussed for different conditions. The study shows that, for the cylindrical geometry, FGM optimisation is always, at least, marginally better than the homogeneous distribution from the semi-analytic model. However, FGM optimisation demands more computing time increases the complexity of implementation and results assembling. The semi-analytic approach is a possible alternative for optimising adsorption systems with phase change material mixed with adsorbents.

show abstract

Section: Introductionmentioning

confidence: 66%

Functionally graded optimisation of adsorption systems with phase change materials

Prado

Amigo

Hewson

et al. 2021

Struct Multidisc Optim

Self Cite

View full text Add to dashboard Cite

show abstract

“…Jensen [61] proposed to use anisotropic mesh adaptation for density-based optimisation of Stokes flow, demonstrating that this allows for efficiently resolving the physical length scale related to very high Brinkman penalisation terms. Sá et al [62] applied density-based optimisation to the design of a small scale rotary pump considering both energy dissipation and vorticity with experimental verification of the design performance. Zhou et al [63] presented an integrated shape morphing and topology optimisation approach based on a mesh handling methodology called a deformable simplicial complex (DSC).…”

Section: Steady Laminar Flowmentioning

confidence: 99%

“…Only 12 papers, or 7%, contain some form of experimental investigation of the topology-optimised designs. These cover fixed-geometry fluid diodes [43,68], small scale rotary pumps [62], forced convection heat sinks [116,128,141,146], passive coolers for light-emitting diode lamps [154,155], porous bioreactors [186], particle separators [102], and conformal cooling channels [142].…”

Section: Experimental Validationmentioning

confidence: 99%

A Review of Topology Optimisation for Fluid-Based Problems

Alexandersen

Andreasen

2020

Fluids

162

View full text Add to dashboard Cite

This review paper provides an overview of the literature for topology optimisation of fluid-based problems, starting with the seminal works on the subject and ending with a snapshot of the state of the art of this rapidly developing field. “Fluid-based problems” are defined as problems where at least one governing equation for fluid flow is solved and the fluid–solid interface is optimised. In addition to fluid flow, any number of additional physics can be solved, such as species transport, heat transfer and mechanics. The review covers 186 papers from 2003 up to and including January 2020, which are sorted into five main groups: pure fluid flow; species transport; conjugate heat transfer; fluid–structure interaction; microstructure and porous media. Each paper is very briefly introduced in chronological order of publication. A quantititive analysis is presented with statistics covering the development of the field and presenting the distribution over subgroups. Recommendations for focus areas of future research are made based on the extensive literature review, the quantitative analysis, as well as the authors’ personal experience and opinions. Since the vast majority of papers treat steady-state laminar pure fluid flow, with no recent major advancements, it is recommended that future research focuses on more complex problems, e.g., transient and turbulent flow.

show abstract

“…However, the experiments are performed with water. Results considering the same methodology applied to Newtonian laminar flow are published in the work Sá et al (2018).…”

Section: Resultsmentioning

confidence: 99%

“…Two prototypes, with different drivers, are built. The first had a slide bearing and considered optimized impellers for water (Newtonian fluid) and laminar flow and is published in the work Sá et al (2018). The second considers the magnetic levitation for the bearing and uses the optimized topologies obtained in this work for blood (non-Newtonian fluid) and turbulent flow.…”

Section: Experimental Methodologymentioning

confidence: 99%

Topology optimization method applied to ventricular assis device impeller and volute design.

Sá¹

View full text Add to dashboard Cite

Dispositivos de auxílio ventricular (DAV) são essencialmente bombas de pequena escala que auxiliam o bombeamento de sangue. O projeto de DAVs tem como principal requisito baixa tensão de cisalhamento a fim de evitar a destruição de hemácias. As topologias do rotor e voluta dessas bombas influenciam diretamente a condição do escoamento e consequentemente a tensão de cisalhamento. Este trabalho visa o otimizar o rotor e a voluta de um DAV radial, baseando-se no método de otimização topológica. A solução das equações constitutivas é feita utilizando-se o método de elementos finitos para a modelagem do escoamento de sangue, em um referencial rotativo no caso do rotor, e fixo no caso da voluta. O escoamento foi modelado com base no escoamento fluido em meio poroso utilizando a equação de Brinkman; além disso é considerado escoamento turbulento utilizando-se o modelo de Spalart-Allmaras. A função objetivo considerada é a minimização da energia de dissipação viscosa, visando-se, indiretamente, a redução da taxa de hemólise. A implementação dos algoritmos é realizada utilizando-se o ambiente FEniCS em conjunto com as bibliotecas do dolfin-adjoint e pyIpopt. As topologias otimizadas foram construídas utilizando-se impressão 3D. Os protótipos foram testados com água e os resultados utilizados para calibrar um modelo computacional 3D de um DAV completo. Por fim, o modelo foi simulado com sangue operando a 5 l/min e 100mmHg, e comparado com um rotor de pás retas, observando-se uma redução de 20% no valor de dissipação viscosa.

show abstract

Topology optimization applied to the development of small scale pump

Cited by 20 publications

References 26 publications

Functionally graded optimisation of adsorption systems with phase change materials

Functionally graded optimisation of adsorption systems with phase change materials

A Review of Topology Optimisation for Fluid-Based Problems

Topology optimization method applied to ventricular assis device impeller and volute design.

Contact Info

Product

Resources

About