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多分散细水雾遮蔽热辐射的高效计算方法

Keywords: 多分散细水雾,热遮蔽,辐射特性,谱带-灰体模型,数据库

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Abstract:

建立了多分散细水雾0.8~20μm辐射特性参数数据库和谱带灰体模型,并提出了采用数据库调用获取辐射特性参数、采用谱带灰体模型处理细水雾非灰特性相结合的方法.通过将该方法计算的无量纲辐射热流与采用Mie理论和窄谱带模型计算的结果作对比,证明该方法准确可靠.通过精度分析和效率分析,证明所提方法既可保证精度在可接受的水平,又能使计算时间大幅缩减.

References

[1]  1Dembélé S, Delmas A, Sacadura J F, et al. A method for modeling the mitigation of hazardous fire thermal radiation by water sprays [J]. Journal of Heat Transfer, 1997, 119(4): 746-753.
[2]  2Keramida E P, Karayannis A N, Boudouvis A G, et al. Numerical modeling of radiant heat attenuation through water mist [J].Combust Sci Technol, 2000, 159: 351-371.
[3]  3Lechêne S, Acem Z, Parent G, et al. Radiative shielding by water mist: comparisons between downward, upward and impacting injection of droplets[J]. Journal of Physics: Conference Series, 2012, 369: 012-027.
[4]  4Lechêne S, Acem Z, Parent G, et al. Upward vs downward injection of droplets for the optimization of a radiative shield [J]. International Journal of Heat and Mass Transfer, 2011, 54(910): 1689-1697.
[5]  5Jones A, Nolan P F. Discussions on the use of fine water sprays or mists for fire suppression [J]. J. Loss Prev. Process Ind., 1995, 8(1): 17-22.
[6]  6Tratnig A, Brenn G. Drop size spectra in sprays form pressure-swirl atomizers [J]. International Journal of Multiphase Flow, 2010, 36: 349-363.
[7]  7Godoy W F, DesJardin P E. Efficient transmission calculations for polydisperse water sprays using spectral scaling [J]. Journal of Quantitative Spectroscopy & Radiative Transfer, 2007, 108: 440-453.
[8]  8Viskanta R, Tseng C C. Spectral radiation characteristics of water sprays [J]. Combustion Theory and Modelling, 2007, 11(1): 113-125.
[9]  9Chylek P, Damiano P, Kalyaniwalla N, et al. Radiative properties of water clouds: simple approximations [J]. Atmos Res, 1995, 35: 139-156.
[10]  10Yu H T, Shen J Q, Wei Y H, et al. Geometrical optics approximation for light scattering by absorbing spherical particles [J]. Journal of Quantitative Spectroscopy & Radiative Transfer, 2009, 110: 1178-1189.
[11]  11Hostikka S, McGrattan K. Numerical modeling of radiative heat transfer in water sprays [J]. Fire Safety Journal, 2006, 41: 76-86.
[12]  12Maruyama S, Nakai H, Sakurai A, et al. Evaluation method for radiative heat transfer in polydisperse water droplets [J]. Journal of Quantitative Spectroscopy & Radiative Transfer, 2008,109: 115.
[13]  13Consalvi J L, Portiere B, Lorand J C, et al. On the use of gray assumption for modeling thermal radiation through water sprays [J]. Numerical Heat Transfer Part A, 2003, 44: 505-519.
[14]  14Prasad K, Li C, Kailsanuth K, et al. Numerical modeling of water mist suppression of methane-air diffusion flames [J]. Combustion Science and Technology, 1998, 132: 325-364.
[15]  15TAN He-Ping, XIA Xin-Lin, LIU Lin-Hua. Numberical calculation on infrared radiative properties and transfer—calculating thermal radiation [M]. Harbin: Harbin Institute of Technology Press(谈和平,夏新林,刘林华.红外辐射特性与传输的数值计算——计算热辐射学[M].哈尔滨: 哈尔滨工业大学出版社).2006.
[16]  16YIN Hong. Atmospheric radiation science [M]. Bei Jing: Meteorological Press(尹宏.大气辐射学[M].北京: 气象出版社).1993.

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