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Cao Jian-ming. Derivation on droplet size and velocity distribution functions in atomization[J]. Journal of Traffic and Transportation Engineering, 2007, 7(1): 34-36.
Citation: Cao Jian-ming. Derivation on droplet size and velocity distribution functions in atomization[J]. Journal of Traffic and Transportation Engineering, 2007, 7(1): 34-36.
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Derivation on droplet size and velocity distribution functions in atomization

  • School of Automobile, Chang'an University, Xi'an 710064, Shaanxi, China

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  • Author Bio:

    Cao Jian-ming(1962-), male, professor, +86-29-82335961, jcao@chd.edu.cn

  • Received Date: 2006-09-26
  • Publish Date: 2007-02-25
    Abstract
  • For enhancing the mass and heat transfer of droplet in spray, and predicting and evaluating spray quality, new probability distribution functions of number, differential number, volume, differential volume and total volume formula on joined droplet size and velocity were derived by using maximum entropy principle and momentum conservation law. If droplet velocity distribution is not considered, the derived formula of droplet size distribution in spray has an absolute same form as the formula in Cao Jian-ming previous study, the droplet size distribution function is a special form of Nukiyama-Tanasawa size distribution function, the derivation results have universal availability.

     

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    • References(10)
  • [1]
    Cao Jian-ming, Wu Tao, Cheng Qian, et al. Atomization characteristics comparison between diesel and LPG/diesel dual fuel[J]. Journal of Traffic and Transportation Engineering, 2003, 3(2): 40-44. (in Chinese) http://transport.chd.edu.cn/article/id/200302001
    [2]
    Cao Jian-ming, Bian Yao-zhang, Qi Dong-hui, et al. Comparative investigation of diesel and mixed liquefied petroleum gas/diesel injection engines[J]. Journal of Automobile Engineering, 2004, 218(D5): 557-565.
    [3]
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    Mugele R, Evans H D. Droplet size distributions in sprays[J]. Industry Engineering of Chemistry, 1951, 43(6): 1317-1324. doi: 10.1021/ie50498a023
    [7]
    Sellens R W, Brzustowski T A. Aprediction of the drop size distribution in a spray from first principle[J]. Atomization and Spray Technology, 1985, 25(1): 89-102.
    [8]
    Cao Jian-ming. An extension of the Nukiyama-Tanasawa droplet size distribution functionin sprays[J]. China Journal of Highway and Transport, 1999, 12(Sup): 106-111. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-ZGGL1999S1016.htm
    [9]
    Cao Jian-ming. On the theoretical prediction of fuel droplet size distribution in nonreactive diesel sprays[J]. Journal of Fluids Engineering, 2002, 124(1): 182-185.
    [10]
    Levy N, Amara S, Champoussin J C, et al. Non-reactive diesel spray computations supported by PDA measurements[J]. SAE Paper, 970049.
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