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首页> 外文会议>Biennial International Pipeline Conference(IPC 2004) vol.3; 20041004-08; Calgary(CA) >INFLUENCE OF THE DISTANCE OF THE CHROMATOGRAPHIC ANALYSIS POINT ON THE ENERGY FLOW CALCULATION IN GASBOL
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INFLUENCE OF THE DISTANCE OF THE CHROMATOGRAPHIC ANALYSIS POINT ON THE ENERGY FLOW CALCULATION IN GASBOL

机译：色谱分析点的距离对气体中能量流计算的影响

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摘要

In Bolivia-Brazil Gas Pipeline the gas samples are only taken in two points along in its all extension, the first is located just at the entrance of the gas pipeline in Rio Grande, Bolivia, and the second sampling point is 550 km far from the first, exactly on Brazil's border, where the pipeline comes to the TBG's property. In Brazilian ground, the pipeline has no more additional inlet point and after this point in the border, no more any additional samples are taken. Nowadays, the measurement process has been simplified by the use of the gas composition analyzed in the day of the sampling as exactly the same gas that is filling out the whole gas pipeline at that moment. This simplification creates a mistake that is expected, but until then it had not been calculated. The present paper has an objective to identify the sampling point influence in the energy delivered in TBG's city gates. To have a better analysis of this influence it is necessary to calculate the gas residence time from the border to the specific delivery point. This residence time is determined by simulation. Considering the difference among the energy used in the revenue and the energy calculated by the new gross heating value adjusted by the residence time of the gas, this paper concluded that the influence of the sampling point in the calculation of the delivered energy is small because the variation of the gross heating value along the period has also been low.
机译：在玻利维亚-巴西天然气管道，沿整个延伸方向仅在两个点采集气体样本，第一个采样点位于玻利维亚里奥格兰德的天然气管道入口，第二个采样点距离采样点550公里。首先，正好在巴西边境，管道到达TBG的财产。在巴西地面上，管道不再有其他入口点，并且在边界处的该点之后，将不再获取任何其他样本。如今，通过将采样当天分析的气体成分与当时填充整个气体管道的气体完全相同，简化了测量过程。这种简化会产生一个预期的错误，但是直到那时才被计算出来。本文旨在确定采样点对TBG城门中传递的能量的影响。为了更好地分析这种影响，有必要计算从边界到特定输送点的气体停留时间。该停留时间通过模拟确定。考虑到收益中使用的能量与通过气体停留时间调整后的新的总热值计算出的能量之间的差异，本文得出结论，采样点对输送能量的计算影响很小，因为总热值在此期间的变化也很小。

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