Factors and Interactions that Influence the Pressure Drop Across An Air Volume Reducing Device on Low-Pressure Water Distribution Networks

Carpintero, Javier; Canales, Fausto A.; Fábregas, Jonathan; Ávila, José G.

doi:10.1007/s40996-021-00682-z

Cited by 6 publications

(6 citation statements)

References 75 publications

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“…To carry out the study in a controlled manner, an initial pressure value was set as an input border doncicion with a value of 300 kPa, characteristic value in aqueduct tubers as observed in a study by Carpintero et al, [7], this for all treatments, since in CFD simulations for fluid flows, the pressure should be indicated as the input boundary, and the flow rate should be indicated as the output boundary for this type of study.…”

Section: Fig 1 Geometry Of the Studied Globe Valve Units In MMmentioning

confidence: 99%

“…CFD tools also contribute to cost reduction in development and testing, as adjustments can be made in a computational environment to achieve the expected results, thereby improving the performance and safety required by the design. Additionally, the application of Design of Experiments (DOE) in fluid mechanics aids in the analysis of developed tests, providing a valuable assessment of fluid behavior in simulated systems and optimizing performance efficiently and effectively, as indicated in previous studies [4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

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Analysis of Fluid Pressure Drop through a Globe Valve using Computational Fluid Dynamics and Statistical Techniques

Mauricio Rhenals,

Armando Robledo,

Jonathan Fábregas

et al. 2024

ARFMTS

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Fluid mechanics plays a crucial role in everyday life, enabling the selection of accessories, materials, and various components essential for a system through which fluid flows. Pressure drop stands out as one of the most relevant factors in the design of fluid flow systems. However, analytical and experimental physical methods can increase these analyses' costs and time. Hence, in this study, statistical tools are employed to carry out specific experiments supported by numerical fluid simulation, aiming to comprehend the pressure drop behavior in a fluid as it passes through a globe valve. This valve, in turn, possesses distinct operating and manufacturing characteristics. The methods employed encompass a complete factorial system of response surface as support to construct the experimental design path through computational fluid dynamics. Among the key findings, it is demonstrated that, for systems with relatively low flow rates, the valve opening percentage does not exhibit a significant relationship with fluid pressure drop. Conversely, significant effects are observed for systems with relatively high flow rates regarding the valve opening percentage and pressure drop, reaching values of up to 73% pressure drop in this study. It can be inferred that the integration of statistical experimental design techniques and computational fluid dynamics constitutes a valuable resource for studying the pressure drop of a fluid passing through a system.

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Section: Fig 1 Geometry Of the Studied Globe Valve Units In MMmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Analysis of Fluid Pressure Drop through a Globe Valve using Computational Fluid Dynamics and Statistical Techniques

Mauricio Rhenals,

Armando Robledo,

Jonathan Fábregas

et al. 2024

ARFMTS

View full text Add to dashboard Cite

show abstract

“…In other related studies, contact friction is designed analytically in the involute of gears, as well as the simulation of non-newtonian liquids, CFD applications, DOE design of experiments, and remeshing in deformable systems by finite elements, as also indicated in Ref. [12][13][14][15][16][17][18][19][20][21][22][23][24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Modeling and Simulation of Elastohydrodynamic Lubrication in Spur Gears

Rafael Ramirez,

Andrés Rodríguez,

Jonathan Fabregas

et al. 2024

CFDL

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An analysis using computational modeling by finite elements of the phenomenon of elastohydrodynamic lubrication (EHL) was carried out for a transmission system of pinion gear in a crankcase with partial filling lubrication. The analysis utilized tribological studies describing the contact behavior characteristics of solid surfaces with the lubrication film caused by dragging and splashing. Furthermore, the characteristics of the Reynolds-Hertz model for this type of phenomena are described, as well as the equations of elastic deformation and elastic displacements along with the geometry of the non-concordant bodies in contact. This was done by modeling the Lagrangian-Eulerian type for non-Newtonian fluid, implementing multiphysics coupling methods. The pressure profile of the lubricant films, the temperature reached by the lubricant, and the von Mises stress at the contact were obtained, showing a good approximation with the related results, indicating a range of 30 MPa to 900 MPa of pressure in the lubricant film and von Mises stress ranging from 30 MPa to 100 MPa in the contact area of the gear tooth.

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“…The transition from conventional energy transformation methods to the use of renewable energies invites us to venture into new ways of generating energy through increasingly cleaner sources [1][2][3]. As is the use of biomass material, which, being a residue of agro-industrial processes, can be used for energy generation as indicated in previous studies [4,5].…”

Section: Introductionmentioning

confidence: 99%

Energy Evaluation of Synthesis Gas in a Turbocharger System Employing CFD Tools

Jorge Alvarez,

Jonathan Fabregas Villegas,

Mauricio Márquez

et al. 2024

CFDL

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Renewable energy sources derived from biomass, such as synthesis gases, represent an opportunity to take advantage of available waste resources and contribute to global energy rationing. This study developed an analysis with computational fluid dynamics (CFD) to estimate the energy behavior of synthesis gases through a turbocharger system. The synthesis gas used to drive the turbocharger turbine was extracted from the gasification of biomass from the Colombian Caribbean. The application of models for rigid body motion, as well as models of momentum, turbulence, energy, and conservation transport of species, suggest that the energy potential available by the turbine ranges from 0.4 kW to 5.2 kW of power generation, concerning mass flow rates entering the simulated system. The main findings of the study were temperature profiles, speed profiles, rotational speed variation, torque, and mechanical power generated in the turbocharger. It is emphasized that the synthesis gas studied presents a good behavior to generate energy through a turbine system of a turbocharger device.

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Factors and Interactions that Influence the Pressure Drop Across An Air Volume Reducing Device on Low-Pressure Water Distribution Networks

Cited by 6 publications

References 75 publications

Analysis of Fluid Pressure Drop through a Globe Valve using Computational Fluid Dynamics and Statistical Techniques

Analysis of Fluid Pressure Drop through a Globe Valve using Computational Fluid Dynamics and Statistical Techniques

Modeling and Simulation of Elastohydrodynamic Lubrication in Spur Gears

Energy Evaluation of Synthesis Gas in a Turbocharger System Employing CFD Tools

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