Xfh® Ultra as a CAPE-OPEN unit operation developed using COBIA
Transcript of Xfh® Ultra as a CAPE-OPEN unit operation developed using COBIA
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2018 Global Conference
Xfh® Ultra as a CAPE-OPEN unit operation developed using COBIA
David Oakley
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• Leading supplier of heat transfer research and software
• Consortium with over 900 member companies worldwide
• Standalone programs for heat transfer equipment• Shell-and-tube heat exchangers (Xist®)
• Air coolers (Xace®)
• Fired heaters (Xfh® Ultra)
• Use with process simulators important for membership
About HTRI
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• HTRI’s standalone fired heater modeling program• Heat transfer and pressure drop
• Fuel consumption and efficiency
• Peak tube temperatures and heat fluxes
• Flue gas draft
• User interface: WPF / C# / .NET
• Calculation engine: Native C++
About Xfh® Ultra
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Fired heater connectivity• Flue gas stream (out)
• N Process streams (in / out)
• Fuel stream (in)
• Combustion air (in)
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DEMO
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• COFE (32-/64-bit)
• Petro-SIM® (32-/64-bit)
• AVEVA™ PRO/II™ Simulation (32-/64-bit)
• ProMax® (32-/64-bit)
• UniSim® Design Suite (32-bit)
PMEs and process simulators investigated
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• Xfh Ultra: Rigorous fired heater calculations in PMEs
Several process simulators tested
• COBIA: Good ease of coding
With advice from Jasper
• COBIA: Good backward compatibility
(i.e. with current process simulators)
• .NET: Native interop challenges
• Limitations on calculation specifications• Handling of fuel
• Outlet stream specification
Lessons learned
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