Astm Table 54b Excel Official

Table 54B relies on two primary input variables to determine the Volume Correction Factor (VCF): Expressed in kilograms per cubic meter ( ) at the reference temperature of 15°C. Observed Temperature (

Do you need to integrate to convert observed density to base density first? Astm Table 54b Excel

Function VCF_Table54B(Density15 As Double, TempC As Double) As Variant Dim K0 As Double, K1 As Double Dim Alpha15 As Double, DeltaT As Double Dim VCF As Double ' Constants for Table 54B (Generalized Products) K0 = 186.9696 K1 = 0.4862 ' Validate density limits for Table 54B (typically 610 to 1076 kg/m3) If Density15 < 610 Or Density15 > 1076 Then VCF_Table54B = CVErr(xlErrNum) Exit Function End If ' Calculate Delta T DeltaT = TempC - 15 ' Calculate Thermal Expansion Coefficient (Alpha at 15C) Alpha15 = (K0 + (K1 * Density15)) / (Density15 ^ 2) ' Calculate Volume Correction Factor VCF = Exp(-Alpha15 * DeltaT * (1 + 0.8 * Alpha15 * DeltaT)) ' Round to standard 4 or 5 decimal places as per ASTM guidelines VCF_Table54B = Round(VCF, 5) End Function Use code with caution. Close the VBA window and return to your worksheet. How to use it in your sheet: Table 54B relies on two primary input variables

Uses the density at 15°C and the observed temperature to determine the VCF. The Formula: Standard Volume ( V15cap V sub 15 ) = Observed Volume ( Vtcap V sub t ) × Volume Correction Factor (VCF). Close the VBA window and return to your worksheet

The petroleum industry relies heavily on accurate measurements for the trading and transportation of petroleum products. Given that petroleum products expand and contract with temperature changes, a standard method for adjusting volumes to a base temperature is necessary. ASTM Table 54b serves this purpose by providing factors to adjust the volume of petroleum products at different temperatures to their equivalent volume at a base temperature, usually 60°F (15.6°C). This adjustment is crucial for ensuring fairness in transactions and compliance with regulatory requirements.