THTLＰ1HＰ1L＝ＴH( Ｖw )( ｅ )・0.95・( Ｆ )℃℃－－Ｖ1＝Ｐ1HＴHililaL22１１１noitacficeps s'remotsuCP3P2P1HTmTnP1Lesrotcaf ebacPa = (P3+P2) ÷ 2+0.1013PamppA－－－－LnηFV1QReferenceAccumulator Sizing Program for Energy Storage ApplicationVwTEL : +81-54 -367-1252 FAX : +81-54-367-1951https://www.nacol.co.jp E-mail: sales@nacol.co.jp119Accumulator Application(Name of System)Max. Working TemperatureMin. Working Temperature(FORMULA)SelectedAccumulator Item #Inspection certificaterequired by the customerNote : In all calculations, the absolute pressure shall be used. (absolute pressure = gauge pressure + 0.1013 MPa)Min. Working PressureCharged gas pressure at the highesttemperatureOil Charge TimeOil Discharge TimeCharged gas pressure at the lowesttemperatureGas Charging Pressure RatioWorking Pressure RatioMean Accumulator Circuit PressurePolytropic Exponent at Oil Charge TimePolytropic Exponent at Oil Discharge TimeAccumulator Gross EfficiencyOil Discharge CoefficientAccumulator Gas CapacityQ'ty /METI Japan · ASME · CE ( )Required oil volume to be discharged fromAccumulatorMax. Working PressureMax. Required Oil VelocityNACOL CO., LTD. Sales Department will be happy to review your Accumulator requirements with any special Accumulator manufacturing codes or specifications.We will review your specific requirements in detail to provide you with the most suitable and economical Accumulator.Service Fluid0.95MPa · G(P3+0.1013)≦4 × P1L P2 is to be determined taking pressure loss (△P) into consideration (△P= MPa)P1H = (P2+0.1013) × 0.85 (at Highest Working Temperature)Time necessary to charge Vw into the Accumulator (oil discharge volume from pump = L/min)Time necessary to discharge Vw from the AccumulatorTime necessary to discharge Vw from the AccumulatorMPa · GMPa · abssecsecMPa · absCalculate from the FORMULA shown belowe = P1L ÷ (P2+0.1013) When (e = P1H ÷ P2+0.1013) ＞ 0.9, bladder life will be shortened.） a = (P3+0.1013) ÷ (P2+0.1013) MPa · absIntersecting point of Tm and Pa as given by the table of N2 gas polytropic exponents. (see page 20)Intersecting point of Tn and Pa as given by the table of N2 gas polytropic exponents. (see page 20)Given from the following formula.Given from the following formula.Q = Vw ÷ Tm or Tn ÷ pieces. Either Standard Type or High Flow Typeas selected from catalogue specifications.L/secFittingsCountry of InstallationPlease fill in the each then send this data sheet to .We are pleased to select the most suitable accumulator for you. Date:Suitable BladderCompoundBushing( ) ·Flange ( )Ｃ＝Ｂ＝Ａ＝｛8233－ 6794×104－( －696)｝/102｛488－ 2065×102－( －170)｝/10410.1972× × － ×(１－ )0.2039× ＋１ＢＰ1HＣ｛ ×( － )＋×10.1972｝/10.1972Ｆ＝( ａ ) －１(ｎ)( ａ )(ｍ)ＡＴLＴHCustomer Name:
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