Thermal engineering studies of double-hydrate formation : attempts toward establishing new energy-utilization technologies

开展了笼形物-水合物形成的实验和理论研究，以期建立水合物形式的天然气储运技术和以水合物形成物质为工质的热泵技术等新的能源利用技术。特别注意了双水合物的效用，其中两种（或三种）不同类型的笼主要由不同种类的客体分子占据。根据该合同进行的研究问题涵盖了广泛的空间尺度，从晶体生长的微观动力学到宏观多相系统的传热传质。

Experimental and theoretical studies about clathrate-hydrate formation have been performed to, expecting to contribute to establishing new energy-utilization technologies including the natural-gas storage/transport in the form of hydrates and the heat-pump technology utilizing a hydrate-forming substance as the working medium. Special attention has been paid for the utility of double hydrates in each of which cages of two (or three) different types are primarily occupied by guest molecules of different species. The issues of the studies performed under this contract cover a wide range of the spatial scale, extending from the microscopic kinetics of crystal growth to the heat and mass transfer in macroscopic multiphase systems.