// multi-utility computation suite · offline · instant · precise
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eng.accumulator-sizing-bladder Calculator
Calculates hydraulic accumulator bladder size for energy storage from required flow volume, pre-charge pressure, and system pressure. Hydraulic accumulators store energy as compressed gas — they smooth pressure peaks and provide emergency actuation when the pump is offline.
Inputs
V Useful L
Three-dimensional space occupied (m³ or L). 1 m³ = 1,000 L.
P1 Bar
Force per unit area (Pa). Atmospheric pressure at sea level: 101,325 Pa. Check whether gauge or absolute pressure is required.
P2 Bar
Force per unit area (Pa). Atmospheric pressure at sea level: 101,325 Pa. Check whether gauge or absolute pressure is required.
P3 Bar
Force per unit area (Pa). Atmospheric pressure at sea level: 101,325 Pa. Check whether gauge or absolute pressure is required.
N Polytropic
Reference formula or conversion factor shown for context.
Results
accumulator total volume V₀ (L)
The computed three-dimensional volume.
gas volume at P₂ V₂ (L)
The computed three-dimensional volume.
gas volume at P₃ V₃ (L)
The computed three-dimensional volume.
useful oil volume Vu (L)
The computed three-dimensional volume.
P₁V₀ⁿ = P₂V₂ⁿ = P₃V₃ⁿ
Reference formula or conversion factor shown for context.