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Fluids, Volume 8, Issue 10

October 2023 - 26 articles

Cover Story: This study focused on improving our understanding of the spray drying of emulsions. The authors aimed to develop a computational model for pressure swirl nozzles to assess the deformation stresses and residence duration of oil droplets. They utilized the Volume-of-Fluid method under laminar conditions and was validated with experimental data. The results indicated that numerically calculated shear stresses were more accurate in predicting the oil droplet sizes than they were when previous theoretical methods were used. The authors also proposed a two-step breakup mechanism within the nozzle and challenged certain assumptions made in previous theoretical estimations. It was concluded that factors like the absence of a complete air core and elongation stresses play a significant role in the oil droplet size. View this paper
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Articles (26)

  • Article
  • Open Access
1 Citations
2,716 Views
16 Pages

Unveiling the Potential of Cavitation Erosion-Induced Heavy Crude Oil Upgrading

  • Gadel F. Baimukhametov,
  • Aydar A. Kayumov,
  • Aleksey V. Dengaev,
  • Alexander F. Maksimenko,
  • Denis A. Marakov,
  • Vladimir A. Shishulin,
  • Ilya M. Drozdov,
  • Larisa V. Samuylova,
  • Andrey A. Getalov and
  • Firdavs A. Aliev
  • + 1 author

4 October 2023

The application of ultrasonic waves in the processing of hydrocarbons is a new promising technology that has developed rapidly in recent years. However, the acoustic-induced cavitation erosion phenomenon is poorly studied. In this paper, a comparison...

  • Article
  • Open Access
10 Citations
6,433 Views
15 Pages

2 October 2023

Cardiovascular diseases still represent one of the most deadly pathologies worldwide. Knowledge of the blood flow dynamics within the cardio-vascular system is crucial in preventing these diseases and analysing their physiology and physio-pathology....

  • Article
  • Open Access
5 Citations
2,571 Views
17 Pages

Design of a Cryogenic Duplex Pressure-Swirl Atomizer through CFDs for the Cold Conservation of Marine Products

  • Eduardo Ayala,
  • Diego Rivera,
  • Julio Ronceros,
  • Nikolai Vinces and
  • Gustavo Ronceros

1 October 2023

The following article proposes the design of a bi-centrifugal atomizer that allows the interaction of sprays from two fluids (water and liquid nitrogen). The liquid nitrogen (LN2) is below −195.8 °C, a temperature low enough for the nitroge...

  • Article
  • Open Access
2 Citations
2,213 Views
29 Pages

The Effects of Flexible Cylinder Structural Dynamics to the near Wake Turbulence

  • Sharul Sham Dol,
  • Siaw Khur Wee,
  • Tshun Howe Yong and
  • Shaharin Anwar Sulaiman

1 October 2023

The utilization of a rigid and projecting surface, coupled with an agitator and vortex generator, frequently results in the dissipation of more energy than the production of turbulence that meets the required criteria. By contrast, a passively oscill...

  • Article
  • Open Access
5 Citations
2,155 Views
35 Pages

28 September 2023

Registration of the flow pattern and the matter distribution of a free falling liquid drop in a target fluid at rest in the impact mode of coalescence when the kinetic energy (KEn) of the drop exceeds its available surface potential energy (ASPe) was...

  • Article
  • Open Access
4 Citations
2,043 Views
20 Pages

28 September 2023

This work focuses on an analysis of hydrodynamics to improve the efficiency in a batch reactor for lead recycling. The study is based on computational fluid dynamics (CFD) methods, which are used to solve Navier–Stokes and Fick’s equation...

  • Article
  • Open Access
5 Citations
3,189 Views
21 Pages

Analysis of Core Annular Flow Behavior of Water-Lubricated Heavy Crude Oil Transport

  • Salim Al Jadidi,
  • Shivananda Moolya and
  • Anbalagan Satheesh

28 September 2023

A possible method for fluid transportation of heavy oil through horizontal pipes is core annular flow (CAF), which is water-lubricated. In this study, a large eddy simulation (LES) and a sub-grid-scale (SGS) model are used to examine CAF. The behavio...

  • Article
  • Open Access
3 Citations
2,810 Views
20 Pages

Numerical Simulation of the Conjugate Heat Transfer of a “Fluid–Solid Body” System on an Unmatched Grid Interface

  • Aleksey Korotkov,
  • Andrey Kozelkov,
  • Andrey Kurkin,
  • Robert Giniyatullin and
  • Sergey Lashkin

27 September 2023

Recently, when modeling transient problems of conjugate heat transfer, the independent construction of grid models for fluid and solid subdomains is increasingly being used. Such grid models, as a rule, are unmatched and require the development of sp...

  • Article
  • Open Access
1,598 Views
14 Pages

27 September 2023

This paper is devoted to the description of computational algorithms for modeling quasi-one-dimensional non-steady flows of a multicomponent reacting gas. The particularity of the developed modeling technique is that the paths of strong and weak disc...

  • Article
  • Open Access
9 Citations
2,839 Views
19 Pages

26 September 2023

The transport and prediction of the concentration of particles in confined spaces are crucial for human well-being; this has become particularly evident during the current worldwide pandemic. Computational fluid dynamics (CFD) has been widely used fo...

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Fluids - ISSN 2311-5521