Computational Fluid Dynamics Applied in System Engineering

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Manufacturing Processes and Systems".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 917

Special Issue Editor


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Guest Editor
Department of Refrigeration, Air Conditioning and Energy Engineering, National Chin-Yi University of Technology, Taichung 411, Taiwan
Interests: microfluidics; computational fluid dynamics; particle image velocimetry; 3D printing

Special Issue Information

Dear Colleagues,

Computational Fluid Dynamics (CFD) has evolved alongside advancements in computer technology, numerical methods, and modeling techniques. It enables engineers and scientists to simulate and analyze complex fluid flow phenomena, including aerodynamics, heat transfer, and multiphase flows. The development of CFD has led to improved understanding, prediction, and optimization of fluid behavior, providing valuable insights for various fields such as the aerospace, automotive, and energy industries. Today, CFD plays a vital role in the design, analysis, and optimization of engineering systems, offering a powerful tool to investigate and improve fluid flow performance, reduce costs, and enhance safety and efficiency.

This Special Issue welcomes high-quality submissions that contribute to the knowledge and understanding of CFD techniques and their practical applications in mechanical engineering. The collected works will provide valuable insights, promote discussions, and foster further advancements in the field. Ultimately, the aim is to enhance the design, analysis, and optimization of industry using CFD, leading to improved performance, efficiency, and reliability.

Dr. Bivas Panigrahi
Guest Editor

Manuscript Submission Information

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Keywords

  • microfluidics
  • computational fluid dynamics (CFD)
  • particle image velocimetry (PIV)
  • 3D printing
  • thermal management

Published Papers (1 paper)

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Research

14 pages, 4231 KiB  
Article
Water Hammer Characteristics and Component Fatigue Analysis of the Essential Service Water System in Nuclear Power Plants
by Haonan Su, Liyuan Sheng, Shuai Zhao, Cheng Lu, Rongsheng Zhu, Yiming Chen and Qiang Fu
Processes 2023, 11(12), 3305; https://doi.org/10.3390/pr11123305 - 27 Nov 2023
Viewed by 730
Abstract
Due to the operation conditions and system characteristics of the essential service water system of nuclear power plants, water hammer pressure fluctuates in each transient process. In order to further analyze the characteristics of the water hammer and the harm this can cause [...] Read more.
Due to the operation conditions and system characteristics of the essential service water system of nuclear power plants, water hammer pressure fluctuates in each transient process. In order to further analyze the characteristics of the water hammer and the harm this can cause to system equipment, this paper uses one-dimensional transient computing software to simulate the water hammer characteristics of the system under different operating conditions and at different water levels. The instantaneous pressure data of water hammer in the essential service water system were used as input conditions for fatigue analysis of components, and the fatigue damage of at-risk parts was calculated. The results show that the pressure fluctuation due to single pump outage is greater than that due to single pump start-up and the start-up of double pumps. The maximum pressure of the system under the design flood level is greater than that of other water levels, and the maximum pressure of the system under each working condition is 3.87 MPa. The most at-risk part of the system pressure fluctuation is the return valve, followed by the valve after a bend in a pipe and the tee pipe fitting. In the whole system, the joint of the main branch of a tee pipe experiences the greatest fatigue damage, and the theoretical fatigue life is 127.55 years. Full article
(This article belongs to the Special Issue Computational Fluid Dynamics Applied in System Engineering)
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