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← TechnologyWhich consequence results when thermal runaway occurs in an electro-hydraulic actuator controlling a jet engine's variable stator vanes?
A)Reduced vane oscillation frequency allowance
B)Uncommanded vane angle variation develops✓
C)Increased actuator fluid flow resistance
D)Augmented dampening of vane flutter margin
💡 Explanation
Uncommanded vane variation occurs because thermal runaway causes decreased fluid viscosity resulting in reduced actuator control bandwidth. Reduced precision, rather than other stable states, occurs therefore; different parameters drive oscillation stability.
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