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LNG Bunkering / Loadout

Gas processing · Transfer time & BOG · ISO/TS 18683 / NFPA 59A

LNG Bunkering Transfer
Transfer time, displaced-vapor (BOG) return rate, heat-leak BOG, and vapor-return adequacy. Per ISO/TS 18683 / SGMF / NFPA 59A.

Transfer

m³/h
%
%

BOG & Vapor

kg/m³
kg/m³
kW

Engineering Basis

  • Transfer time = capacity·(fill−start)/rate.
  • Displaced vapor V̇ ≈ liquid-in rate; mass = ×ρvapor — must be returned/managed.
  • Heat-leak/flash BOG = Qleak/latent heat.
  • Without vapor return the tank pressure rises — limit rate / vent. Standards: ISO/TS 18683, SGMF, NFPA 59A.