An air-conditioning chiller unit weighing (10 mathrm{kN}) is to be supported by four air springs (Fig. 2.50).

Question:

An air-conditioning chiller unit weighing $10 \mathrm{kN}$ is to be supported by four air springs (Fig. 2.50). Design the air springs such that the natural frequency of vibration of the unit lies between $5 \mathrm{rad} / \mathrm{s}$ and $10 \mathrm{rad} / \mathrm{s}$.

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