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Günter Wagner, LIWACOM Zdeněk Vostrý, Simone Research Group Heat Effects in Gas Systems 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia.

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Presentation on theme: "Günter Wagner, LIWACOM Zdeněk Vostrý, Simone Research Group Heat Effects in Gas Systems 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia."— Presentation transcript:

1 Günter Wagner, LIWACOM Zdeněk Vostrý, Simone Research Group Heat Effects in Gas Systems 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

2 Contents Internal Energy, Heat and Work Joule-Thomson Effect Friction Heat Transfer Aftercooling Hydrate Formation Hydrocarbon Condensation 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

3 Internal Energy and Temperature 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

4 Compression Work Adds Heat 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

5 Expansion Work Extracts Heat 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

6 Why does the Temperature Drop? 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

7 ... The Joule-Thomson Effect ! 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

8 The Test Pipeline 95 barg 40 °C 95 barg 200 km / 1000 mm Fuel Gas 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

9 Friction 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

10 Friction Assumptions: -> No Heat Transfer -> No Joule-Thomson Effect 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

11 Heat Transfer Gas Temperature Undisturbed Soil Temperature Heat Flow 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

12 Pipeline Temperature Profile 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia km 176

13 Aftercooling Increases Capacity 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

14 Aftercooling Increases Efficiency 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia

15 Hydrate Formation 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia km 153

16 Hydrocarbon Condensation 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia km 103 km 0 km 200

17 Conclusions 9 th SIMONE Congress, October 15-17, 2008, Dubrovnik, Croatia


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