Flow Characteristics of Peristaltic Pump Based on FSI Analysis

doi:10.3901/JME.2025.08.331

Abstract

Abstract: The peristaltic pump is a typical device for the application of peristaltic transport mode,which is widely used in various industries. The peristaltic pump will produce flow pulsation in operation, resulting in unstable output flow, and to improve the pulsation of the peristaltic pump, a comprehensive study of its flow characteristics is required.The peristaltic pump problem is an inherently multi-physics field problem with strong coupling between the hose and the fluid being pumped.Using a combination of experimental and numerical simulations to study the peristaltic pump, the flow-solid interaction(FSI) model of the peristaltic pump is established, the working cycle of the peristaltic pump is simulated, and the simulation results are compared with the experimental results to verify the reliability of the numerical model.The pressure and velocity of the fluid inside the hose and the flow rate at the outlet during the working cycle of the peristaltic pump were obtained through fluid-structure interaction analysis, and the causes of the flow pulsation were analyzed and studied.It focused on the effect of the pressure block diameter, roller diameter, hose inner diameter and other factors on the peristaltic pump flow and flow pulsation.

Key words: peristaltic pump, numerical simulation, fluid-solid coupling, flow pulsation

CLC Number:

TH328

LIU Fuwen, LI Qingye, ZONG Chaoyong, ZHANG Yanfeng, SONG Xueguan. Flow Characteristics of Peristaltic Pump Based on FSI Analysis[J]. Journal of Mechanical Engineering, 2025, 61(8): 331-343.

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