scholarly journals Thermodynamic Stability of Clathrate Hydrates

2013 ◽  
Vol 23 (2) ◽  
pp. 94-102
Author(s):  
Hideki TANAKA ◽  
Masakazu MATSUMOTO
Keyword(s):  
Thermodynamic Stability ◽  
Clathrate Hydrates

Thermodynamic stability, spectroscopic identification and cage occupation of binary CO2 clathrate hydrates

2009 ◽  
Vol 64 (24) ◽  
pp. 5125-5130 ◽  
Author(s):  
Hyung Joon Shin ◽  
Yun-Je Lee ◽  
Jun-Hyuck Im ◽  
Kyu Won Han ◽  
Jon-Won Lee ◽  
...  
Keyword(s):  
Thermodynamic Stability ◽  
Clathrate Hydrates ◽  
Spectroscopic Identification

scholarly journals On the thermodynamic stability and structural transition of clathrate hydrates

2005 ◽  
Vol 122 (7) ◽  
pp. 074503 ◽  
Author(s):  
Yuji Koyama ◽  
Hideki Tanaka ◽  
Kenichiro Koga
Keyword(s):  
Thermodynamic Stability ◽  
Structural Transition ◽  
Clathrate Hydrates

On the thermodynamic stability of clathrate hydrates

2003 ◽  
Vol 81 (1-2) ◽  
pp. 55-60 ◽  
Author(s):  
H Tanaka
Keyword(s):  
Free Energy ◽  
Thermodynamic Stability ◽  
Vibrational Frequency ◽  
Host Lattice ◽  
Clathrate Hydrates ◽  
Total Free Energy ◽  
Guest Molecules ◽  
Free Energy Of Formation ◽  
Entropic Contribution ◽  
Energy Of Formation

The thermodynamic stability of clathrate hydrates is investigated by theoretically examining the free energy of formation of clathrate hydrates encaging propane and argon. The total free energy is divided into several contributions: the interaction between water and guest molecules, the entropic contribution arising from the combinations of cage occupancy, and the free energy due to intermolecular vibrations. The method introduced here removes some of the assumptions of the van der Waals and Platteeuw theory. It is shown that the shift of the vibrational frequency of the host lattice destabilizes the clathrate hydrates thermodynamically. PACS No.: 61.50Ah

Structure, dynamics and thermodynamic stability of high-pressure ices and clathrate hydrates

2014 ◽  
Vol 41 (10-12) ◽  
pp. 868-873 ◽  
Author(s):  
Takuma Yagasaki ◽  
Kazuhiro Himoto ◽  
Tatsuya Nakamura ◽  
Masakazu Matsumoto ◽  
Hideki Tanaka
Keyword(s):  
High Pressure ◽  
Thermodynamic Stability ◽  
Clathrate Hydrates ◽  
Structure Dynamics

Thermodynamic stability conditions of clathrate hydrates for refrigerant (R134a or R410a or R507) with MgCl 2 aqueous solution

2016 ◽  
Vol 413 ◽  
pp. 92-98 ◽  
Author(s):  
Peterson Thokozani Ngema ◽  
Paramespri Naidoo ◽  
Amir H. Mohammadi ◽  
Dominique Richon ◽  
Deresh Ramjugernath
Keyword(s):  
Aqueous Solution ◽  
Thermodynamic Stability ◽  
Clathrate Hydrates ◽  
Stability Conditions
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