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The optimization of system parameters of a thermal collector absorber plate with modified surface in form of hemispherical protrusions and air jet impingement is carried out, upon the effective efficiency basis. The parameters considered for the study include jet diameter to hydraulic diameter ratio \(({\text{d}}_{{\text{j}}} /{\text{D}}_{{\text{h}}}\) ), relative streamwise pitch ( \(X/D_{h}\) ), and the relative spanwise pitch ( \(Y/D_{h}\) ). A MATLAB program is utilized to gather the data, and optimization plots are generated to identify the optimal parameters. For a broad range of operating conditions, the optimal values are found to be jet diameter to hydraulic diameter ratio of 1.5, relative streamwise pitch of 1.304, and relative spanwise pitch of 0.434.

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Parametric Optimization of Thermal System with Staggered Jet Impinging on the Hemispherical Protrusion

  • 会议论文

  • 发表日期：

    2026年

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  • Ayushman Srivastav,
  • Rajesh Maithani,
  • Sachin Sharma,
  • Ashish Dixit

摘要

The optimization of system parameters of a thermal collector absorber plate with modified surface in form of hemispherical protrusions and air jet impingement is carried out, upon the effective efficiency basis. The parameters considered for the study include jet diameter to hydraulic diameter ratio \(({\text{d}}_{{\text{j}}} /{\text{D}}_{{\text{h}}}\) ), relative streamwise pitch ( \(X/D_{h}\) ), and the relative spanwise pitch ( \(Y/D_{h}\) ). A MATLAB program is utilized to gather the data, and optimization plots are generated to identify the optimal parameters. For a broad range of operating conditions, the optimal values are found to be jet diameter to hydraulic diameter ratio of 1.5, relative streamwise pitch of 1.304, and relative spanwise pitch of 0.434.