Open Rack Vaporizers (ORVs)
Understand how ORVs transfer heat from seawater to pressurized LNG, and how seawater flow, icing, materials and outlet temperature affect operation.
System context
LNG vaporization
Technical topic pages show the knowledge scope behind LNG University learning. Course, assessment and credential availability depends on the applicable program.
Relevant roles
Terminal operators · Mechanical technicians · Process engineers · Environmental professionals
Prerequisites
Regasification process · Heat-transfer fundamentals
Knowledge level
Intermediate technical coverage with system and operational context.
Learning outcomes
What this topic is intended to help you understand
- Explain the heat-transfer path in an ORV.
- Identify major seawater and LNG-side operating variables.
- Recognize common performance and environmental considerations.
Technical scope
Equipment, concepts and terminology
- Panel tubes
- Seawater distribution
- LNG inlet and gas outlet
- Heat transfer
- Icing
- Materials
- Seawater quality
- Outlet-temperature control
Operating context
How the topic connects to plant operation
- Train selection
- Monitoring seawater flow and temperatures
- Recognizing fouling or icing impacts
- Managing seasonal conditions
Safeguards and controls
Protection and risk-control context
- Low outlet-temperature protection
- Pressure protection
- Leak detection
- Materials and corrosion management
Technical learning does not replace site procedures, OEM documentation, engineering calculations, permits, supervision or facility-specific authorization.
Engineering documents
Documents commonly connected to this subject
- Vaporizer data sheet
- P&ID
- Performance curves
- Inspection plan