Investigating Thermodynamic Mechanism of Gas Hydrate Formation in Natural Gas Transmission Pipelines

Investigating Thermodynamic Mechanism of Gas Hydrate Formation in Natural Gas Transmission Pipelines

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توجه : در صورت  مشاهده  بهم ريختگي احتمالي در متون زير ،دليل ان کپي کردن اين مطالب از داخل فایل ورد مي باشد و در فايل اصلي Investigating Thermodynamic Mechanism of Gas Hydrate Formation in Natural Gas Transmission Pipelines،به هيچ وجه بهم ريختگي وجود ندارد


بخشی از متن Investigating Thermodynamic Mechanism of Gas Hydrate Formation in Natural Gas Transmission Pipelines :

سال انتشار : 1394

نام کنفرانس یا همایش : دومين کنفرانس بين المللي و سومين همايش ملي کاربرد فناوري هاي نوين در علوم مهندسي

تعداد صفحات : 7

چکیده مقاله:

Natural gas hydrate is a solid crystalline compound formed by combining water and belongs to Klatryts’s family. Guest gas molecules are trapped in water lattice cavities created by hydrogen bonds between water molecules. Based on Long and Quam’s model, hydrate formation at low temperatures and high pressures can be explained. As temperature decreases, the kinetic energy of the molecules of liquid phase decrease and the number of hydrogen bonds between water molecules increases. The formation of these bonds increases the number of molecular aggregations on the surface. As the number of cavities increase, the conditions for hydrate formation become more favorable and the chance of gas molecules being suddenly trapped in one of these cavities increases. Similarly, as the pressure increases, the number of gas molecules per unit of water surface increases, the probability of gas molecules being trapped in one of these cavities increases, which in turn increases the risk of hydrate formation. Based on tests of Leatherhaus et.al, it can be concluded that inhibitors such as salt can slow or stop the process of hydrate formation by reducing the number of cavities on the surface or like PVcap by blocking the cavities.

عنوان محصول دانلودی:Investigating Thermodynamic Mechanism of Gas Hydrate Formation in Natural Gas Transmission Pipelines
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Investigating Thermodynamic Mechanism of Gas Hydrate Formation in Natural Gas Transmission Pipelines

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Investigating Thermodynamic Mechanism of Gas Hydrate Formation in Natural Gas Transmission Pipelines

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Investigating Thermodynamic Mechanism of Gas Hydrate Formation in Natural Gas Transmission Pipelines