Günter Wagner, LIWACOM Zdeněk Vostrý, Simone Research Group Heat Effects in Gas Systems 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Dec 16, 2015
Günter Wagner, LIWACOMZdeněk Vostrý, Simone Research Group
Heat Effects in Gas Systems
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Contents
• Internal Energy, Heat and Work
• Joule-Thomson Effect
• Friction
• Heat Transfer
• Aftercooling
• Hydrate Formation
• Hydrocarbon Condensation
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Internal Energy and Temperature
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Compression Work Adds Heat
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Expansion Work Extracts Heat
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Why does the Temperature Drop?
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
. . . The Joule-Thomson Effect !
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
The Test Pipeline
95 barg40 °C
95 barg
200 km / 1000 mm
Fuel Gas
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Friction
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Friction
Assumptions:-> No Heat Transfer-> No Joule-Thomson Effect
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Heat Transfer
GasTemperature
Undisturbed SoilTemperature
Heat Flow9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Pipeline Temperature Profile
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
km 176
Aftercooling Increases Capacity
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Aftercooling Increases Efficiency
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
Hydrate Formation
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
km 153
Hydrocarbon Condensation
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia
km 103
km 0
km 200
Conclusions
9th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia