A fully-charged hydraulic accumulator provides what benefit to a hydraulic system?

In a hydraulic system, a fully-charged hydraulic accumulator serves as a crucial component that enhances performance during periods of high demand. When there is a sudden need for additional hydraulic power, such as in landing gear operations or in situations where the system experiences a temporary spike in demand, the accumulator releases stored hydraulic fluid. This stored fluid can help maintain system pressure and supply the extra flow needed to operate hydraulic components effectively.

The accumulator essentially acts as a reservoir, allowing the system to respond quickly to fluctuating demands without causing a drop in performance. This capability is particularly important in aviation systems, where reliability and responsiveness are critical to safe operations.

In contrast, an accumulator does not provide backup for electrical power, nor is it used for cooling or filtering hydraulic fluid. Its primary role is centered on supplying additional hydraulic power, making it an invaluable asset in managing the dynamics of hydraulic systems.