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Applied Sciences
Special Issues
Flow Analysis and Structural Control of Fluid Machinery
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Flow Analysis and Structural Control of Fluid Machinery

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Fluid Science and Technology".

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 1486

Special Issue Editor

Dr. Fuqiang Chen

E-Mail Website
Guest Editor
College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
Interests: complex flow control; structural strength vibration

Special Issue Information

Dear Colleagues,

Guest Editors are proud to invite you to submit articles for the Special Issue of Applied Sciences in the fields of flow analysis and structural control.

Fluid machinery is a machine that uses gas or liquid as the working medium to convert energy. Its performance greatly depends on the flow state of the internal medium. The analysis and control of flow can improve the performance of fluid dynamics, thereby enhancing the efficiency and stability of the system. Therefore, this Special Issue intends to present new ideas in the field of flow analysis and structural control in all types of fluid machinery, such as pumps, valves, steam turbines, gas turbines, hydraulic turbines, compressors, ventilators, hydraulic couplers, etc. The submitted papers should present original analytical, numerical, or experimental results, as well as a physical interpretation of lasting scientific value.

The Special Issue is mainly focused, but not limited to, the following topics:

  • Compressible flow;
  • Jet flow;
  • Cavitation;
  • Multiphase flow;
  • Convective heat/mass transfer as affected by fluid flow;
  • Turbulence flow;
  • Microfluid flow;
  • Hydrodynamics;
  • Fluid–structure interaction;
  • Flows in biological systems;
  • Other fundamental/applied fluid mechanical phenomena and processes.

Dr. Fuqiang Chen
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • flow fields
  • flow control
  • fluid dynamics
  • thermal analysis
  • computational fluid dynamics
  • structural control
  • fluid-solid coupling analysis
  • numerical simulation
  • hydraulic and pneumatic system flow

Published Papers (2 papers)

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Research

19 pages, 8232 KiB  
Article
Research on the Effect of Structural Parameters on Cavitation Performance of Shear Hydrodynamic Cavitation Generator
by Fengxia Lyu, Ming Tang, Faqi Zhou, Xintong Zhang, Saiyue Han and Sheng Zhang
Appl. Sci. 2024, 14(9), 3676; https://doi.org/10.3390/app14093676 - 25 Apr 2024
Viewed by 390
Abstract
The method of cavitation is increasingly applied in water environmental protection. Based on the numerical simulation method, a study on the structural parameters of the shear-type hydrodynamic cavitation generators for wastewater treatment is proceeded. The internal flow field is described by employing the [...] Read more.
The method of cavitation is increasingly applied in water environmental protection. Based on the numerical simulation method, a study on the structural parameters of the shear-type hydrodynamic cavitation generators for wastewater treatment is proceeded. The internal flow field is described by employing the mixed multiphase flow model and the Zwart cavitation model. Experiments were conducted by applying the wastewater from a dyeing factory as the medium. The degradation rate of COD in water characterizes the cavitation performance of the hydrodynamic cavitation generator, and the rationality of the numerical simulation approach is validated. The findings indicate that different structural parameters have a great influence on the cavitation performance. The appropriate number of tooth rows creates a flow field with a greater vapor and velocity than the other parameters. The number of teeth in a single row, the outer diameter of the hydrodynamic cavitation generator and the tooth bevel angle also affect the cavitation performance to some extent, and there is an optimal value. The study provides a reference for the applicability of a numerical simulation of the flow field inside the hydrodynamic cavitation generator and the structural optimization of the rotary hydrodynamic cavitation generator. Full article
(This article belongs to the Special Issue Flow Analysis and Structural Control of Fluid Machinery)
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26 pages, 13247 KiB  
Article
Double-Tongue Worm Shell Structure on Plastic Centrifugal Pump Performance Study
by Zhi Rao, Lingfeng Tang and Hui Zhang
Appl. Sci. 2023, 13(14), 8507; https://doi.org/10.3390/app13148507 - 23 Jul 2023
Cited by 1 | Viewed by 699
Abstract
Aiming at the problem of high vibration and high wear of centrifugal pump tongue, this paper proposes a double-tongue volute structure. Under the condition of ensuring the reliability of CFD results, the influence of various combinations of tongue and volute base circle on [...] Read more.
Aiming at the problem of high vibration and high wear of centrifugal pump tongue, this paper proposes a double-tongue volute structure. Under the condition of ensuring the reliability of CFD results, the influence of various combinations of tongue and volute base circle on the turbulent kinetic energy of centrifugal pump and the radial force of impeller is explored. The traditional single-tongue volute centrifugal pump is compared with various characteristic indexes, and the unsteady numerical calculation is carried out based on different working conditions. It is concluded that the double-tongue volute structure can improve the pressure fluctuation at the monitoring points near the tongue. The results show that the double-tongue volute structure can improve the static pressure gradient and velocity gradient of the middle section of the centrifugal pump and reduce the maximum turbulent kinetic energy value at the tongue under small flow conditions. When the working condition is 1.0 Q, the radial force of the impeller of the C-type double-tongue volute reaches the minimum value of 3.03 N, which can effectively balance part of the radial force. Full article
(This article belongs to the Special Issue Flow Analysis and Structural Control of Fluid Machinery)
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