Natural Gas Transmission Pipeline Temperature Drop Calculation

ZHAO Guangda, SUN Qiji, WANG Xiaohu, WANG Xu


The numerical computation of natural gas pipeline temperature drop will provide the reference data for the design of gas pipeline, the judgement of hydrate formation, the normal production and operation. On the basis of SuHuoFu formula, considering the effect of the Joule-Thomson, according to the natural gas flowing through a pipe heat conduction basic theory, combined with engineering thermodynamics, heat transfer and fluid mechanics knowledge, establishing gas transmission pipeline temperature drop model, adopt iterative method, the natural gas temperature along the pipe is calculated, comparing some kind of factors such as gas composition, the pipeline operational factor, the heat preservation situation, and analysis how the factors influent the temperature drop, providing the theory basis for how to reduce the temperature drop in the gas line, the heating power and the heating furnace heating temperature calculation, and energy conservation and optimization.
Key words: Natural gas; Temperature drop calculation; Gas line


Natural gas; Temperature drop calculation; Gas line

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