
Calculations
Tankvision
60
Hauser
8.7.1
Main differences to the API standard
JIS is only available for the following product types:
• Generalized Crudes
• Generalized Refined Products
• Generalized Lubricants
• LPG
8.7.2
Volume Correction Factor - VCF
The following VCF table is implemented:
• JIS K 2249 2A
8.7.3
Density Calculation - RDC
If the user wants to calculate the Observed Density, RDC_JIS has to be selected in the RDC
settings of the product:
• Observed Density = Reference Density x VCF
8.7.4
Floating roof adjustment - FRA
The following new options are available for the floating roof adjustments:
• (JIS) No FRA:
JIS_FRA_No-FRA
• (JIS) Nippon Kaiji:
JIS_FRA_Nippon-Kaiji
• (JIS) Shin Nihon 1:
JIS_FRA_Shin-Nihon-1
• (JIS) Shin Nihon 2:
JIS_FRA_Shin-Nihon-2
• (JIS) Shin Nihon 3:
JIS_FRA_No-FRA
Where:
• FRW = Floating Roof Weight
FRA = 0
FRA = (FRW /
) × FRP
ρ
ref
FRA = ((1 /
) -
×
FRP
ρ
ref
(F /
))
FRW ×
BSG
FRA = ((1 /
) -
×
FRP
ρ
ref
(1 /
))
FRW ×
BSG
FRA = 0