Study of Transportation of GTL Products From Alaskan North Slope (Ans) to Markets

Chukwu, Godwin A.

doi:10.2172/808065

Cited by 2 publications

(2 citation statements)

References 4 publications

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“…Because of the temperature difference between fluid and its ambient environment, heat transfer happens between them during the transportation, which will cause pipe temperature changes along the distance. The average heat flux for unit length of pipeline at inner surface was [11]:…”

Section: Analytical Modelmentioning

confidence: 99%

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Analytical Method for Temperature Distribution in Buried HDPE Pipe

Zheng

Zhu

Qiu

et al. 2012

AMR

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HDPE pipes have been widely used in industry, which were mostly buried underground. Because of special material properties, which were affected by temperature, it is necessary to get the temperature profile of buried HDPE pipe. Most past solutions for temperature distribution in buried pipe were numerical ones. The aim of this paper was to present a simple analytical model under steady-state heat transfer condition with a new special heat transfer coefficient introduced. FEM method was used to check this model. The influences of fluid temperature, soil surface temperature and soil depth on pipeline temperature were also analyzed. The results showed a good agreement between the analytical model and FEM method. And fluid temperature in pipe was proved to be the key factor that affected the pipe temperature .

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Section: Analytical Modelmentioning

confidence: 99%

“…Define U=1/R t , U is called overall heat transfer coefficient. Heat transfer coefficients of fluid h f were calculated with the following equations [11]:…”

Section: Analytical Modelmentioning

confidence: 99%

Analytical Method for Temperature Distribution in Buried HDPE Pipe

Zheng

Zhu

Qiu

et al. 2012

AMR

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Gas-to-Liquid Process Optimization for Different Recycling Configurations and Economic Evaluation

Maqbool

Park

Lee

2014

Ind. Eng. Chem. Res.

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Synthesis gas production by the steam methane reforming process and its subsequent use in Fischer–Tropsch synthesis for gas-to-liquid applications is studied in this work. A base case of synthetic crude oil production is developed and is compared with three different alternative designs. Common tail gas recycling configurations from the Fischer–Tropsch products to the upstream units are investigated with and without carbon dioxide separation prior to the Fischer–Tropsch reactor in the three alternates. A kinetic model proposed for a nickel based catalyst is used for synthesis gas production and a cobalt based model is used for Fischer–Tropsch synthesis in the process simulation. Process optimization was carried out, for economic evaluation of different designs, subject to a well-defined and concise set of constraints. Economics of all four designs are evaluated by the Aspen Process Economic Analyzer for a comprehensive and meaningful comparison.

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Study of Transportation of GTL Products From Alaskan North Slope (Ans) to Markets

Cited by 2 publications

References 4 publications

Analytical Method for Temperature Distribution in Buried HDPE Pipe

Analytical Method for Temperature Distribution in Buried HDPE Pipe

Gas-to-Liquid Process Optimization for Different Recycling Configurations and Economic Evaluation

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