Online determination of natural gas propertiesCaractérisation des propriétés du gaz naturel |
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Authors: | Camal Rahmouni Olivier Le Corre Mohand Tazerout |
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Institution: | 1. CReeD, zone portuaire de Limay, 291, avenue Dreyfous Ducas, 78520 Limay, France;2. École des mines de Nantes, La chantrerie, 4, rue A. Kastler, BP 20722, 44307 Nantes cedex 3, France |
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Abstract: | Methane number and Lower Heating Value (LHV) of natural gas are determined by the online measurement of thermal conductivity at two different temperatures. Natural gas is first considered as a ternary mixture of the most important components. A pseudo-ternary composition can then be calculated, using the thermal conductivity formula for mixtures derived from kinetic theory. A non-linear system is solved numerically using the Newton–Raphson method. A sensor based on thermal conductivity measurement has been developed and tested successfully for many natural gas compositions. To cite this article: C. Rahmouni et al., C. R. Mecanique 331 (2003). |
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Keywords: | Dynamical systems Natural gas Thermal conductivity Methane number Systèmes dynamique Gaz naturel Conductivité thermique Indice de méthane |
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