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Enhanced Al-H2O-based fuels combustion characteristics with polyacrylamide at low pressures

  • Combustion, Explosion, and Shock Waves
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Abstract

The combustion behavior of nano-aluminum-water (n-Al-H2O) mixture with addition of polyacrylamide (PAM) was investigated in argon at 0.1∼1.5 MPa using a constant-pressure strand burner. The burning rates of n-Al-H2O mixture were measured. The results show that PAM addition can not only help improve the burning rate of n-Al-H2O mixture, but also decrease the pressure index of burning rate. The mixture of n-Al powder and H2O cannot be ignited in argon at 0.1 MPa, but the mixture of n-Al powder and H2O with the 3 wt % PAM can be ignited, and the mixture can support the self-sustaining combustion. The burning rate is 7.64 mm/s. Moreover, the burning rate increases with increasing the pressure. In addition, the combustion process and flame image characteristics were obtained by a high-speed photography technique, and the element composition and surface morphology of the condensed combustion products were evaluated using a scanning electron microscopy combined with energy dispersive X-ray system.

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Authors and Affiliations

  1. School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui, 243002, China

    Baozhong Zhu & Yunlan Sun

  2. Jigang Group Heavy Machinery CO., LTD, Jinan, Shandong, 250101, China

    Huajian Sun

Authors
  1. Baozhong Zhu
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  2. Yunlan Sun
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  3. Huajian Sun
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Correspondence to Yunlan Sun.

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Zhu, B., Sun, Y. & Sun, H. Enhanced Al-H2O-based fuels combustion characteristics with polyacrylamide at low pressures. Russ. J. Phys. Chem. B 8, 492–498 (2014). https://doi.org/10.1134/S1990793114040289

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  • DOI: https://doi.org/10.1134/S1990793114040289

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