Question: Consider the motion of the piston discussed in Example 1.61. The piston stroke is the total distance moved by the piston as the crank angle

Consider the motion of the piston discussed in Example 1.6–1. The piston stroke is the total distance moved by the piston as the crank angle varies from 0° to 180°.

a. How does the piston stroke depend on L₁ and L₂?

b. Suppose L₂ = 0.5 ft. Use MATLAB to plot the piston motion versus crank angle for two cases: L₁ = 0.6 ft and L₁ = 1.4 ft. Compare each plot with the plot shown in Figure 1.6–3. Discuss how the shape of the plot depends on the value of L₁.

Figure 1.6–3

1.5 1.4 1.3 1.2 1.1 0.9 0.8 0.7 0.6 0.5 20 40 60 80 100 120 140 160 180 A (degrees) d (teet

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a The piston stroke can be calculated using the formula Stroke 2 L1 L2 sin2 where is the crank angle ... View full answer

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