Infrared and Laser Engineering, Volume. 53, Issue 1, 20230176(2024)

Numerical simulation of infrared radiation characteristics of near-space aircraft side jet due to angle of attack

Rong Lv1, Qinglin Niu1, and Xiaobing Wang2
Author Affiliations
  • 1School of Mechanical and Electrical Engineering, North University of China, Taiyuan 030051, China
  • 2National Key Laboratory of Scattering and Radiation, Shanghai 200438, China
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    Figures & Tables(16)
    The cone-cylinder-flare model with a side jet
    Computational domain and grids distribution
    Schematic diagram of observation angle
    Comparison of calculated results and reference data
    Contours of temperature at different angles of attack
    Contours of species at different angles of attack
    Distribution curves of flow field parameters along the wall-attached line with/without chemical reaction flow
    Radiances in the MWIR band at different angles of attack with/without chemical reaction
    Spectral radiant intensity of aircraft body at different angles of attack
    Radiances of aircraft body at different observation angles in observing orientation 1
    Radiances of aircraft body at different observation angles in observing orientation 2
    Spectral radiant intensity at different angles of attack
    Radiances at different observation angles in observing orientation 1
    Radiances at different observation angles in observing orientation 2
    • Table 1. Simulation conditions

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      Table 1. Simulation conditions

      ParameterValue
      Ma5
      P/Pa5.53×103
      T/K216.65
      Tj/K2058
      O20.234
      N20.766
    • Table 2. Wind tunnel test conditions

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      Table 2. Wind tunnel test conditions

      ParameterValue
      Ma3
      P/Pa1.949×104
      T/K103.2
      PR50
      Tj/K223
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    Rong Lv, Qinglin Niu, Xiaobing Wang. Numerical simulation of infrared radiation characteristics of near-space aircraft side jet due to angle of attack[J]. Infrared and Laser Engineering, 2024, 53(1): 20230176

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    Paper Information

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    Received: Mar. 30, 2023

    Accepted: --

    Published Online: Mar. 19, 2024

    The Author Email:

    DOI:10.3788/IRLA20230176

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