Table 4 Calculated and test results of stiffness of the ASs under rated load.
From: Stiffness analysis and structural optimization design of an air spring for ships
Description | 8Â T | 15Â T | 30Â T | Description | 8Â T | 15Â T | 30Â T | |
|---|---|---|---|---|---|---|---|---|
Calculated result | \(K_{Z}^{p}\) (kN/mm) | 1.20 | 3.96 | 6.19 | \(K_{H}^{p}\) (kN/mm) | 0.57 | 1.28 | 1.72 |
\(K_{Z}^{b}\) (kN/mm) | 1.21 | 1.74 | 2.28 | \(K_{H}^{b}\) (kN/mm) | 9.26 | 11.34 | 13.39 | |
KZ (kN/mm) | 2.41 | 5.70 | 8.47 | KH (kN/mm) | 9.83 | 12.62 | 15.11 | |
Test result | KZ (kN/mm) | 2.57 | 5.51 | 8.01 | KH (kN/mm) | 10.26 | 13.80 | 16.59 |
Calculation error | KZ | 6.2% | 3.5% | 5.7% | KH | 4.2% | 8.6% | 8.9% |
