Hydraulic Design of Natural Gas Transmission Pipeline in the Artic Area

극한지 장거리 천연가스 배관의 유동 설계

Kim, Young-Pyo;Kim, Ho-Yeon;Kim, Woo-Sik

  • Received : 2015.12.08
  • Accepted : 2016.04.26
  • Published : 2016.04.30


Hydraulic analysis of the natural gas transmission pipeline is to determine whether adequate flow can be sustained throughout the design life of pipeline under all expected flow conditions. Many factors have to be considered in the hydraulic design of long-distance pipelines, including the nature, volume, temperature and pressure of fluid to be transported, the length and elevation of pipeline and the environment of terrain traversed. This study reviewed the available gas operation data provided by pipeline construction project in the arctic area and discussed the gas properties such as viscosity and compressibility factor that influence gas flow through a pipeline. Pipeline inside diameter was calculated using several flow equations and pipeline wall thickness was calculated from Barlow's equation applying a safety factor and including the yield strength of the pipe material. The AGA flow equation was used to calculate the pressure drop due to friction, gas temperature and pipeline elevation along the pipeline. The hydraulic design in this study was compared with the report of Alaska Pipeline Project.


natural gas transmission pipeline;hydraulic design;flow equation;pressure drop


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Supported by : 국토교통부