Numerical and experimental study on the flow characteristics of abrasive slurry jet with polymer additives

Feng, Dachuan; Shi, Lele; Guo, Chuwen; Wang, Fengchao; Chen, Yueqiang

doi:10.1007/s00170-017-1371-1

Cited by 15 publications

(5 citation statements)

References 13 publications

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“…(1) At the pre-processing stage, the geometric model of fluid-structure coupling process was built as a whole, while the meshing and setup of material properties in fluid and structure domain were conducted separately. The methodology and independency test of meshing are similar to our previous work in [16] (i.e., using a minimum grid spacing of ~ 0.5 mm). (2) When solving the case, the simulation of ASJ flow field was governed by Eulerian multi-fluid model (as demonstrated in Sect.…”

Section: Solving Methodologymentioning

confidence: 99%

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A numerical study on flow characteristics and rock stress in abrasive slurry jet impingement

Feng

Guo

2019

J Braz. Soc. Mech. Sci. Eng.

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To apply abrasive slurry jet (ASJ) in rock drilling calls for in-depth understandings on the mechanism of impingement process. A fluid-structure coupling model that combines multi-fluid model and finite element method was established for a set of numerical investigation. The simulation results show that entrained air contributes to the divergence by successive disturbing on the jet flow. Subjected to the jet impact, the stress field of rock structure is affected by the standoff distance, abrasive particle diameter and crack in rock material. On the other hand, we adopt both first strength criterion and Drucker-Prager criterion for the elastic-plastic rock material to evaluate the stress state of rock under a high-speed jet impact. It is found the onset of rock damage is primarily attributed to a brittle tensile fracture at crack tip and a plastic failure in the crack front, tending to initiate from a smaller-length-scale crack. The flow field and rock stress are characterized to provide a numerical basis for the parametric optimization of ASJ impinging rock as well as other elastic-plastic materials.

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Section: Solving Methodologymentioning

confidence: 99%

“…Such an option of numerical models aims to minimize the computing cost while being capable of capturing the hydrodynamic features. In addition to above-mentioned governing equations, there is a special treatment on the phase interaction developed in our previous work in s in [16]:…”

Section: Mathematical Modelsmentioning

confidence: 99%

A numerical study on flow characteristics and rock stress in abrasive slurry jet impingement

Feng

Guo

2019

J Braz. Soc. Mech. Sci. Eng.

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“…Utilizing Taguchi's approach will reduce costs, time, and resource usage. The dominant suspension parameters were chosen based on the literature [17, [21][22][23][24][25][26][27][28][29][30][31][32]. The ranges of suspension parameters selected for the experimentation were tested in the preliminary suspension mixture preparation trials.…”

Section: Design Of Experiments (Doe)mentioning

confidence: 99%

Analysis and optimization of mass percentage of zycoprint polymer and abrasives in achieving stability of suspension mixture in abrasive water jet machining

Maurya

G.S

2023

Manufacturing Rev.

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The suspension parameters are vital in the suspension-type abrasive water jet (AWJ) machining of several engineering materials, more so in difficult-to-cut materials, because it significantly influences the suspension stability and sedimentation behaviour of the suspension mixture and abrasive particle acceleration into the AWJs. The suspension stability and abrasive particle acceleration of the suspension-type AWJs are improved by using polymer additives. Hence, it is necessary to study the effect of suspension parameters (abrasive and polymer concentrations) on suspension stability. In this direction, the novel work reported in the paper analyses the stability of suspension by varying the mass percentage of abrasives (garnet and aluminum oxide (Al2O3)) (ωa) and mass percentage of the zycoprint polymer (ωp) in water by considering the Taguchi L9 Orthogonal array (OA). The linear regression (LR) models for the percentage of suspension volume with garnet (VsG) and the percentage of suspension volume with Al2O3 (VsA), are developed. The JAYA algorithm is used to find the optimal combination of the suspension parameters, and its results are in close agreement with the findings from the LR results. The optimum setting of the suspension parameters for both, VsG and VsA, is 3% of ωa and 0.80% of ωp.

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“…Polyacrylamide has the effect of suppressing the lateral expansion of the jet and reducing the axial attenuation of the jet. However, there are few simulation analyses of the additive jet flow field at present, and most of the research studies tend to be experimental research on the effects of actual cutting and crushing [12][13][14][15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation and Experimental Study on Flow of Polymer Aqueous Solution in Porous Jet Nozzle

Wei

Zhou

2020

Advances in Polymer Technology

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The addition of a polymer to the jet medium enhances its ability to break rock, and the structure of the nozzle plays a vital role in the full utilization of energy. In this paper, a self-propelled porous jet bit with a support plate is designed, which can prevent the drill bit from jamming due to the jet nozzle against the bottom of the well during the drilling process. And the structural design of the cone-converging nozzle is applied to the forward center nozzle. The polymer additive jet flow field and the pure water jet flow field were compared by numerical simulation and experimental investigation. The results show that the polymer additive jet has a longer isokinetic core, and the rock-breaking volume of the polymer additive jet is much larger than that of the pure water jet, and the optimal spray distance is increased. The forward central jet with the conical convergent nozzle structure has more efficient rock-breaking ability.

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Numerical and experimental study on the flow characteristics of abrasive slurry jet with polymer additives

Cited by 15 publications

References 13 publications

A numerical study on flow characteristics and rock stress in abrasive slurry jet impingement

A numerical study on flow characteristics and rock stress in abrasive slurry jet impingement

Analysis and optimization of mass percentage of zycoprint polymer and abrasives in achieving stability of suspension mixture in abrasive water jet machining

Numerical Simulation and Experimental Study on Flow of Polymer Aqueous Solution in Porous Jet Nozzle

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