| 脉动热管的力学分析 |
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| 引用本文： | 傅烈虎. 脉动热管的力学分析[J]. 制冷, 2008, 27(4) |
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| 作者姓名： | 傅烈虎 |
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| 作者单位： | 西安交通大学能源与动力工程学院,西安,710049 |
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| 摘 要： | 脉动热管是涉及多物理学科、多参数的气液两相流系统，研究和分析微小尺度下脉动热管内部系统的受力是进行脉动热管理论建模和机理分析的基础。作用在脉动热管内液塞上的力有液塞两侧气泡的压力、壁面与液塞间的摩擦剪切力、液塞两端的毛细作用力和液塞重力。以无水乙醇为例计算了各个作用力的大小，发现液塞两侧气泡的压力和液塞两端的毛细作用力是影响液塞脉动的主要因素。
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| 关 键 词： | 脉动热管 液塞 力学分析 |
Mechanical Analysis of Pulsating Heat Pipe |
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| FU Li-ehu. Mechanical Analysis of Pulsating Heat Pipe[J]. Refrigeration, 2008, 27(4) |
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| Authors: | FU Li-ehu |
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| Abstract: | Pulsating heat pipe(PHP) is a complex two-phase flow system associated with many physics subjects and parameters.It is useful to analyze force of PHP under minification sacle,which is the foundation of PHP modeling by mechanism.The forces on pulsating liquid plug of PHP are pressure in bubbles,shearing force because of friction between wall and liquid plug,capillary force and gravitational force of liquid plug.Taking absolute ethyl alcohol for example,it indicted that pressure in bubbles and capillary force... |
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| Keywords: | Pulsating heat pipe Liquid plug Mechanical analysis |
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