Research on the Tensile Mechanical Properties of a Braided Corrugated Hose and Its Axial Stiffness Model
Abstract
:1. Introduction
2. Mathematic Model of Braided Corrugated Hose
2.1. The Structure of the Metallic Braided Tube
2.2. The Mechanical Properties of Wires under Tensile Load
- (1)
- Assuming that the wire has a circular cross-section, the diameter and cross-section of the wire are unaffected by the applied load;
- (2)
- The wire elongation is based on Hooke’s law, , where σ is the stress in the wire, E is the modulus of elasticity of the wire, and ε is the strain in the wire;
- (3)
- The bending of the filament is based on the theory , where M is the moment, κ is the yarn curvature, and .
2.3. The Stiffness of the Bellows
2.4. The Axial Stiffness of the Braided Corrugated Hose
3. Numerical Experiment with the Braided Corrugated Hose
3.1. The Material and Structure of the Braided Corrugated Hose
3.2. Simulation Setup
3.3. Numerical Results and Analysis
4. Model Validation
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
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Young’s Modulus /MPa | Poisson’s Ration | |||
---|---|---|---|---|
0.3 |
Number | Number of Strands | Wires per Strand | Braiding Angle | Diameter of Wire /mm | Length of Unit Cell /mm |
---|---|---|---|---|---|
A | 36 | 1 | 41° | 0.6 | 4.4109 |
B | 36 | 1 | 45° | 0.6 | 4.0855 |
C | 36 | 1 | 46° | 0.6 | 4.0077 |
D | 36 | 1 | 45° | 0.3 | 4.0855 |
Outer Diameter /mm | Inner Diameter /mm | Pitch of Wave /mm | Wave Height /mm | Radius of Wave Trough/mm | Radius of Wave Crest /mm | Thickness /mm | Length/mm |
---|---|---|---|---|---|---|---|
31.5 | 25.4 | 3.7 | 2.8 | 0.8 | 0.8 | 0.25 | 200 |
Coefficients | |||
---|---|---|---|
Value | 0.4578 | 0.001728 | 0.000001763 |
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Huang, D.; Zhang, J. Research on the Tensile Mechanical Properties of a Braided Corrugated Hose and Its Axial Stiffness Model. J. Mar. Sci. Eng. 2021, 9, 1029. https://doi.org/10.3390/jmse9091029
Huang D, Zhang J. Research on the Tensile Mechanical Properties of a Braided Corrugated Hose and Its Axial Stiffness Model. Journal of Marine Science and Engineering. 2021; 9(9):1029. https://doi.org/10.3390/jmse9091029
Chicago/Turabian StyleHuang, Dacheng, and Jianrun Zhang. 2021. "Research on the Tensile Mechanical Properties of a Braided Corrugated Hose and Its Axial Stiffness Model" Journal of Marine Science and Engineering 9, no. 9: 1029. https://doi.org/10.3390/jmse9091029