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ZHU Chen, KUANG Bo, SUN Wei, FAN Yun-liang, ZHANG Zhi, TANG Chao-li. Influence of Nanofluids on Boiling Heat Transfer Characteristics of Inclined Downward-facing Heating Surface[J]. Atomic Energy Science and Technology, 2014, 48(增刊1): 268-272. DOI: 10.7538/yzk.2014.48.S0.0268
Citation: ZHU Chen, KUANG Bo, SUN Wei, FAN Yun-liang, ZHANG Zhi, TANG Chao-li. Influence of Nanofluids on Boiling Heat Transfer Characteristics of Inclined Downward-facing Heating Surface[J]. Atomic Energy Science and Technology, 2014, 48(增刊1): 268-272. DOI: 10.7538/yzk.2014.48.S0.0268
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Influence of Nanofluids on Boiling Heat Transfer Characteristics of Inclined Downward-facing Heating Surface

  • School of Nuclear Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

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  • This paper aims to investigate how nanometer materials improve boiling heat transfer characteristics through a pool boiling experiment from a downward-facing surface at atmosphere pressure. Under inclined angle 0°, 15° and 30°, several pool boiling experiments were conducted in deionized water and different nanofluids. Visualization of boiling phenomena and bubble movement were recorded by utilizing a high-speed digital camera. Compared with deionized water, boiling heat transfer coefficient increases by 23.1% for Al2O3 nanofluids, 42.5% for Cu-20 nanofluids and 92.9% for Cu-100 nanofluids. It is found that boiling heat transfer coefficient increases with the volume concentration for Cu-20 nanofluids.
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