Figure 6.1 [left]. Dependence of the coefficient of recovery s on the equivalent mass for a linear shock absorber with varying rigidity of the spring Figure 6.2 [right]. Dependence of the coefficient of recovery -s and the filling characteristic on the rigidity of the spring for a linear shock absorber 1000 kg. X-axis: cn10\ N/m. of the coefficient of recovery in a linear shock absorber on the initial velocity is an important property during docking. A hydraulic damper usually provides a force proportional to the square of the velocity. The equation of the equivalent model with a spring-hydraulic shock absorber has the form i /i where is the coefficient of attenuation of the hydraulic damper. Analysis of this equation shows that the coefficient of recovery depends substantially on initial velocity For example, the results obtained from numerical methods for tonnes, show (Figure 6.3) that in the range of initial velocities from 0.1 to 0.6 m/s, it can change over a very wide range (from 0.2 to 0.9). Another important characteristic of the shock absorber is the coefficient of filling of the characteristic
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