期刊
APPLIED THERMAL ENGINEERING
卷 29, 期 5-6, 页码 973-979出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.applthermaleng.2008.05.010
关键词
Nanofluid; Heat pipe; Temperature difference; Concentration
资金
- National Science Council of Taiwan, Republic of China (NSC) [95-2221-E-032-058-MY2]
Dilute dispersion of silver nano-particles in pure water was employed as the working fluid for conventional I mm wick-thickness sintered circular heat pipe. The nanofluid used in present study is an aqueous solution of 10 and 35 nm diameter silver nano-particles. The experiment was performed to measure the temperature distribution and compare the heat pipe temperature difference using nanofluid and DI-water. The tested nano-particle concentrations ranged from 1, 10 and 100 mg/l. The condenser section of the heat pipe was attached to a heat sink that was cooled by water supplied from a constant temperature bath maintained at 40 degrees C. At a same charge volume, the measured nanofluids filled heat pipe temperature distribution demonstrated that the temperature difference decreased 0.56-0.65 degrees C compared to DI-water at an input power of 30-50 W. In addition, the nanofluid as working medium in heat pipe can LIP to 70 W and is higher than pure water about 20 W. (C) 2008 Elsevier Ltd. All rights reserved.
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