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<p>Spine finned surfaces are commonly utilized when an enhanced heat transmission is needed from a small surface area and also in applications where lightweight designs are desired. These spine fins are specifically used in air ducts, automobile engines, microchannel heat sinks, and electronic cooling to improve the effectiveness of thermal controls. Thus, this article focuses on analyzing the thermal behavior of conical spine exposed to convective–radiative and moist environment. The straight&#xa0;conical fin is analogously analyzed with the inclined one, with radiative and convective heat transfer coefficients treated as function of temperature. The occurrence of heat distribution is outlined by non-linear differential equation with relevant boundary conditions, which is then converted into nondimensional form using suitable dimensionless quantities. Further, the Fibonacci wavelet collocation method is applied to tackle the specified model. The implications of various factors on the energy field and efficiency have been visually demonstrated. The findings indicate that when the emissivity parameter is increased, the spine temperature drops by roughly 3%. Conversely, a rise in the Peclet number causes its temperature to increase by about 9%. Additionally, inclined spine demonstrates higher efficiency and better thermal dispersion compared to straight conical spine.</p>

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Efficiency scrutinization of fully wet porous inclined conical spine with varying surface emissivity: A Fibonacci wavelet collocation approach

  • 期刊论文

  • 发表日期：

    2026年1月6日

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  • N. V. Manvitha,
  • B. J. Gireesha,
  • K. J. Gowtham

摘要

Spine finned surfaces are commonly utilized when an enhanced heat transmission is needed from a small surface area and also in applications where lightweight designs are desired. These spine fins are specifically used in air ducts, automobile engines, microchannel heat sinks, and electronic cooling to improve the effectiveness of thermal controls. Thus, this article focuses on analyzing the thermal behavior of conical spine exposed to convective–radiative and moist environment. The straight conical fin is analogously analyzed with the inclined one, with radiative and convective heat transfer coefficients treated as function of temperature. The occurrence of heat distribution is outlined by non-linear differential equation with relevant boundary conditions, which is then converted into nondimensional form using suitable dimensionless quantities. Further, the Fibonacci wavelet collocation method is applied to tackle the specified model. The implications of various factors on the energy field and efficiency have been visually demonstrated. The findings indicate that when the emissivity parameter is increased, the spine temperature drops by roughly 3%. Conversely, a rise in the Peclet number causes its temperature to increase by about 9%. Additionally, inclined spine demonstrates higher efficiency and better thermal dispersion compared to straight conical spine.