Hydraulic Flow in Pipelines

A special issue of Fluids (ISSN 2311-5521). This special issue belongs to the section "Mathematical and Computational Fluid Mechanics".

Deadline for manuscript submissions: 25 July 2025 | Viewed by 443

Special Issue Editors


E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong SAR, China
Interests: hydraulic transients; hydraulic modelling; viscoelastic pipe parameter calibration; leakage detection in water supply system

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong SAR, China
Interests: fluid–structure interaction; hydraulic transients; hydraulic modelling; pipe defect detection

Special Issue Information

Dear Colleagues,

Pipe conveyance systems are essential for sustaining the prosperity of our society, and the study of pipe flow is a significant aspect of fluid mechanics. This Special Issue aims to present cutting-edge work on pipe flow, encompassing both experimental and numerical investigations. Topics include, but are not limited to, the flow transition, pressurized pipe flow, two-phase pipe flow, transient flow, pipe management, pipe defect detection, risk assessment and management, loss control, pipeline system optimization, and digital twin technology.

Dr. Bin Pan
Dr. Alireza Keramat
Guest Editors

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Keywords

  • pipe flow
  • flow transition
  • hydraulic transient
  • flow control
  • pipe fluid modelling
  • pipe defect detection
  • pipeline system operation
  • pipeline management
  • risk management

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Published Papers (1 paper)

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Research

17 pages, 3125 KiB  
Article
Structural Optimization of the Venturi Fertilizer Applicator Using Head Loss Calculation Methods
by Zhiyang Zhang, Yang Li, Juling Gao, Pan Tang and Feng Huang
Fluids 2025, 10(4), 87; https://doi.org/10.3390/fluids10040087 - 31 Mar 2025
Viewed by 227
Abstract
Fertilizer suction flow rate is an important performance parameter of the Venturi fertilizer applicator. This study aims to analyze the optimal structure of the Venturi fertilizer applicator with the goal of maximizing the suction flow rate at the same inlet and outlet pressures. [...] Read more.
Fertilizer suction flow rate is an important performance parameter of the Venturi fertilizer applicator. This study aims to analyze the optimal structure of the Venturi fertilizer applicator with the goal of maximizing the suction flow rate at the same inlet and outlet pressures. A Venturi tube was used as a simplified case for investigating the Venturi injector. A calculation formula for the head loss between the inlet and outlet of the Venturi tube was derived based on the Bernoulli equation and the Darcy–Weisbach formula. Subsequently, it was modified through regression analysis based on the experimental and numerical simulation results of the flow on the Venturi tube. The optimal structure of the Venturi injector was further analyzed based on the head loss calculation formula. The optimal range for the reducing angle and expanding angle of the Venturi injector were determined to be 20–28° and 6–10°, respectively. The optimal throat diameter was identified to be 5–7 mm when the inlet flow rates were within the range of 1.5–2.5 m3/h. The optimum suction pipe diameter and throat pipe length were both equal to the throat diameter. Full article
(This article belongs to the Special Issue Hydraulic Flow in Pipelines)
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