● Basic Calculation TermsV3 Gas Volume at P3V2 Gas Volume at P2V1 Gas Volume at P1P2VwnnV2 minus V3 difference is the oil volume discharged from (charged in) the accumulator.n = P2V2n = P3V3P1V11-1 Volume Formula Selection1-2 Basis of the FormulaNitrogen gas compressionNitrogen gasFluidFluidNitrogen gas expansionFluidP3P1Calculation FormulaEnergy Storage (1-3-1)Pulsation Dampening (1-3-2)Shock-absorbing (1-3-3)DynacleanIntroduction19ApplicationEnergy ConservationEmergency OperationLeakage CompensationTemperature CompensationCounterbalanceShock AbsorberPulsation DampeningShock-absorbingOil tank dustproof(MPa・abs)(MPa・abs)(MPa・abs)(L)(L)(L)(L)Maximum pressure of the hydraulic pressure sourceMaximum pressure accumulated in the accumulatorMinimum pressure required to run the actuatorMinimum pressure to be discharged from the accumulatorThe pressure of nitrogen gas contained within the bladderGas is affected by the heat in the compression and expansion.The actual gas change is called the polytropic change, and in calculation it is used as the polytropic exponent.Volume calculation formulas will change depending on the application. For applications, please refer to page 10.For dynaclean calculation, please refer to page 123, Dynaclean.For other application calculations, please contact us.The accumulator charges and discharges the fluid by the compression and expansion of gas.Gas volume calculation is calculated basically by Boyle's law, which shows the relationship between pressure and volume of gas.Maximum Working PressureMinimum Working PressureGas Charging PressureRequired Oil Volume To Be Discharged From (Charged In) AccumulatorPolytropic Exponent* For the pressure to be used in the calculation, convert to absolute pressure. Absolute pressure (MPa · abs) = Gauge pressure (MPa · G) + 0.10131. Calculation of Accumulator Gas VolumeAccumulator Selection Procedure
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