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Traveling wave solution of heat transfer for small sample moving in the sub-cooled liquid nitrogen |
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| Authors: | Yuanhua HuangChih Wu Feng WuFangzhong Guo |
| Affiliation: | a Reproductive Medical Center, Hainan Medical College, Haikou 570102, PR China b Department of Mechanical Engineering, US Naval Academy, 121 Blake Road, Annapolis, MD 21402, USA c Department of Physics and Heat Engineering, Wuhan Institute of Chemical Technology, Wuhan 430073, PR China d Department of Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China |
| Abstract: | The temperature field of a traveling wave in a system is analyzed. The system consists of a rapidly moving small specimen tube and sub-cooled liquid nitrogen (SLN2). The temporal and spatial temperature distribution of the subsonic wave is investigated. The relationship between a dimensionless cooling rate and the thermal Mach number (M) is derived. When the quenching speed of sample tube in the sub-cooled liquid nitrogen is equal to or faster than that of the thermal wave propagated, a shock wave is expected. |
| Keywords: | Thermal wave model Traveling wave Cooling rate Shock wave |
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