Long-Yan Zhang, Jin-Liang Xu, Jun-Peng Lei. Size effect on boundary condition at solid-liquid interface in microchannel[J]. Acta Physica Sinica, 2019, 68(2): 020201-1
- Acta Physica Sinica
- Vol. 68, Issue 2, 020201-1 (2019)
Fig. 1. (a) Physical model of system; (b) definition of thermal resistance length at interface.(a) 物理模型图; (b) 界面热阻长度定义
Fig. 2. Temperature and density profile of liquid along z direction when solid-liquid potential energy parameter
: (a)
; (b)
; (c)
.
固液势能参数
时, 流体沿着z 方向的温度分布和密度分布 (a)
; (b)
; (c)
Fig. 3. (a) Density profile and (b) temperature profile of liquid along z direction when microchannel height H = 46.12σ .
微通道尺寸
时流体沿着z 方向的(a) 密度分布和(b)温度分布
Fig. 4. Variation of temperature jump at solid-liquid interface with microchannel height.固液界面温度阶跃随微通道尺寸的变化
Fig. 5. Degree of closeness of actual and theoretical temperature of liquid versus microchannel height.液体实际温度与理论温度的接近程度随微通道尺寸的变化关系
Fig. 6. Variation of thermal resistance at solid-liquid interface with microchannel height: (a) Hot wall; (b) cold wall.固液界面热阻随微通道尺寸的变化 (a) 热壁面; (b) 冷壁面
Fig. 7. VDOS profile of solid atoms and liquid atoms located at interfaces when solid-liquid potential energy parameter
.
固液势能参数为
时固液原子VDOS分布
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