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Numerical Method for System Level Simulation of Long-Distance Pneumatic Conveying Pipelines

Author

Listed:
  • Xiaoming Zhou

    (School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China)

  • Fang Fang

    (School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China)

  • Yadong Li

    (School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China)

Abstract

Pneumatic conveying pipelines (PCPs) provide an effective manner for long-distance transport of capsules because of their advantages in high speed, superior safety, and full automation. For better development of PCPs, a system-level simulation tool is desired, but not yet available. In this work, a new 1D model describing systemic dynamics of airflow and capsule movement in PCPs is presented, and 3D simulation is proposed to obtain the characteristic coefficients in the 1D model. The complete model accounts for those phenomena that most profoundly affect the performance of PCPs, such as the 3D layout of the pipeline, the geometry of capsules, as well as the compressibility of air in a long pipeline. A finite volume method is also presented to numerically calculate the model equations, and thereby realize the successful system-level simulation of practical PCPs for the first time. Experimental data were used for validation. For a 550 m-long and small-diameter (27.86 mm) PCP, the errors of predicted conveying times were within 4.43%. For another 30 m-long and large-diameter (125.6 mm) PCP, the errors of predicted conveying time and maximum capsule velocity were within 1%. By enabling readily and accurate prediction of the conveying process, the method provides a feasible tool for the design and application of PCP systems.

Suggested Citation

  • Xiaoming Zhou & Fang Fang & Yadong Li, 2022. "Numerical Method for System Level Simulation of Long-Distance Pneumatic Conveying Pipelines," Mathematics, MDPI, vol. 10(21), pages 1-16, November.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:21:p:4073-:d:960583
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    References listed on IDEAS

    as
    1. Thi Thanh Giang Le & Kyeong Sik Jang & Kwan-Sup Lee & Jaiyoung Ryu, 2020. "Numerical Investigation of Aerodynamic Drag and Pressure Waves in Hyperloop Systems," Mathematics, MDPI, vol. 8(11), pages 1-23, November.
    2. David Khani & Yeo Howe Lim & Ahmad Malekpour, 2022. "Calculating Column Separation in Liquid Pipelines Using a 1D-CFD Coupled Model," Mathematics, MDPI, vol. 10(12), pages 1-17, June.
    3. Chunjin Zhang & Xihuan Sun & Yongye Li & Xueqin Zhang & Xuelan Zhang & Xiaoni Yang & Fei Li, 2018. "Hydraulic Characteristics of Transporting a Piped Carriage in a Horizontal Pipe Based on the Bidirectional Fluid-Structure Interaction," Mathematical Problems in Engineering, Hindawi, vol. 2018, pages 1-27, October.
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