Hydraulic Accumulator - Gas Pre-charge Sizing

Accumulator pre-charge pressure and required volume - critical for surge suppression in deck-machinery hydraulic systems.

AccumulatorHydraulicPre-charge

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

V_0 = \frac{\Delta V}{\left(\frac{p_0}{p_1}\right)^{1/n} - \left(\frac{p_0}{p_2}\right)^{1/n}}

Symbol	Meaning	Unit
$p_0$	Gas pre-charge pressure	bar
$p_1, p_2$	Min / max working pressure	bar

Source: Bosch Rexroth Accumulator Handbook

Accumulator pre-charge pressure and required volume - critical for surge suppression in deck-machinery hydraulic systems.