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Интеллектуальная Система Тематического Исследования НАукометрических данных |
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Gas hydrates in permafrost can occur in subpermafrost layers under low positive temperatures and in permafrost horizons under low temperatures. During evolution of permafrost hydrate-saturated soils could be a subject of freezing and melting. This is reflected in a change of their composition and properties. To assess the impact of freezing and melting processes on thermal conductivity of hydrate-bearing sediments at pressures above the equilibrium special experimental investigations have been held. The experiments were performed on a special installation with integrated system for measuring the thermal conductivity of hydrate-saturated sediment samples under pressure of hydrate-forming gas. The experiments showed that for hydrate-bearing sediments freezing and melting under gas pressure above the equilibrium may be accompanied by a decreasing of thermal conductivity.
№ | Имя | Описание | Имя файла | Размер | Добавлен |
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1. | Иллюстрация | Постер | Gas_Hydrates_2.cdr | 535,5 КБ | 18 ноября 2014 [bobik112] |
2. | Полный текст | Chuv_Bukh-2014-ICGH-8.pdf | 438,4 КБ | 7 ноября 2014 [bobik112] |