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Three-dimensional numerical study of supercritical pressure effect on heat transfer of cryogenic methane

RUANBo

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文章导航 > 航空动力学报  > 2011 >  26(7): 1480-1487
RUANBo. Three-dimensional numerical study of supercritical pressure effect on heat transfer of cryogenic methane[J]. 航空动力学报, 2011, 26(7): 1480-1487.
引用本文: RUANBo. Three-dimensional numerical study of supercritical pressure effect on heat transfer of cryogenic methane[J]. 航空动力学报, 2011, 26(7): 1480-1487.
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RUAN Bo. Three-dimensional numerical study of supercritical pressure effect on heat transfer of cryogenic methane[J]. Journal of Aerospace Power, 2011, 26(7): 1480-1487.
Citation: RUAN Bo. Three-dimensional numerical study of supercritical pressure effect on heat transfer of cryogenic methane[J]. Journal of Aerospace Power, 2011, 26(7): 1480-1487.
shu

Three-dimensional numerical study of supercritical pressure effect on heat transfer of cryogenic methane

Three-dimensional numerical study of supercritical pressure effect on heat transfer of cryogenic methane

    摘要
  • 摘要: A three-dimensional numerical study of the turbulent convective heat transfer of the cryogenic methane flowing inside a square engine cooling channel under supercritical pressures was systematically conducted. Numerical results indicate that increasing the fluid pressure results in enhanced heat transfer of the cryogenic methane under supercritical pressures. At the pseudo-critical temperature under a corresponding supercritical pressure, drastic property variations cause heat transfer deterioration and sharp wall temperature increase at a high wall heat flux of 7MW/m2. A modified Jackson and Hall heat transfer equation, which can be used for supercritical heat transfer calculations of the cryogenic methane, has been successfully established in this paper.

     

    Abstract: A three-dimensional numerical study of the turbulent convective heat transfer of the cryogenic methane flowing inside a square engine cooling channel under supercritical pressures was systematically conducted. Numerical results indicate that increasing the fluid pressure results in enhanced heat transfer of the cryogenic methane under supercritical pressures. At the pseudo-critical temperature under a corresponding supercritical pressure, drastic property variations cause heat transfer deterioration and sharp wall temperature increase at a high wall heat flux of 7MW/m2. A modified Jackson and Hall heat transfer equation, which can be used for supercritical heat transfer calculations of the cryogenic methane, has been successfully established in this paper.

     

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    • 参考文献(16)
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出版历程
  • 收稿日期:  2010-11-15
  • 修回日期:  2011-03-15
  • 刊出日期:  2011-07-28

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