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International Journal of Automotive Technology > Volume 20(2); 2019 > Article
International Journal of Automotive Technology 2019;20(2): 297-306.
FLOW ANALYSIS OF A PUMPING TUBE FOR THE DEVELOPMENT OF A SELF-INFLATING TIRE USING FLUID-STRUCTURE INTERACTION ANALYSES
Chul Hyung Lee1, Myeong Jae Han1, Tae Won Park1, Myeong Jun Kim2, In Chul Sung2, Sung Pil Jung3
1Ajou University
2Kumho Tire
3Korea Automotive Technology Institute
PDF Links Corresponding Author.  Tae Won Park , Email. park@ajou.ac.kr
ABSTRACT
In this study, flow analyses were conducted inside pumping tube based on fluid-structure interaction analyses. First, a Computer Aided Engineering (CAE) model was constructed for fluid-structure interaction analyses. The interaction analyses of the three types of pumping tubes proposed herein were conducted under the same conditions, and their efficiencies were compared. Eccentricity analyses were carried out to determine the degree of eccentricity that can be tolerated in the process by selecting the most efficient tube. Subsequently, tests were conducted using negative pressure measurement equipment and simulation modeling was compared and verified under the same conditions. In order to verify the performance of the self-inflating tire developed on this basis, durability and air pressure restoration tests were carried out.
Key Words: Fluid-structure interaction, CAE, Self-inflating tire, Eccentricity, Negative pressure
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