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Numerical Simulation of the Internal Flow Field of Test Chamber at High Altitude Environment
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Numerical Simulation of the Internal Flow Field of Test Chamber at High Altitude Environment
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Journal Article
Numerical Simulation of the Internal Flow Field of Test Chamber at High Altitude Environment
2023
Overview
In order to further promote the digitalization extent of environmental test, ensure that the test chamber can more realistically simulate the actual environment, and improve the environmental adaptability of vehicle equipment in extreme environments, the three-dimensional CFD simulation method was used to calculate simulation test chamber of an armored vehicle in high-altitude environment in the form of low-speed return flow wind tunnel. There are movable suspension and flap in the entrance to the contraction section of the test chamber. The velocity field and temperature field were analyzed, the temperature distribution and heat transfer in the characteristic section of the test section under different flap deflection angles were compared and analyzed by selecting working conditions, and make the relationship among flow speed and flow rate and the temperature field of the test section clear.
