Heat Flow Simulation Irradiation System for Military Aircraft

doi:10.3969/j.issn.1000-1093.2020.09.024

Abstract

Abstract: The demand for environmental simulation of fighter or military aircraft operation is gradually increasing with the increasing demand for fighters and military aircrafts in China. A high power irradiated heat flow simulation system is proposed to meet the requirements of military aircraft cabin lighting simulation and improve the accuracy of heat flow simulation. The system can simulate the sunlight environment at different altitudes. It can simulate the process of icing and deicing flight together with the use of low temperature cooling and air pressure regulating system in environment simulation cabin. At the same time， the visual load test and visual efficacy test in different lighting environment can be carried out to simulate the impact of lighting on the pilot during flight. Through design and simulation，it is found that the radiation area of heat flux simulation irradiation system is 1 500 mm×3 500 mm， the maximum radiation energy can reach 1.89 sc(1 sc=1 353 W/m²) within the working distance of 1 000 mm， and the radiation uniformity can reach±12.2%. An experimental system was measured. The measured maximum irradiation energy can reach 1.80 sc， and the irradiation uniformity can reach±13.3%，which is close to the simulated results，verifying the accuracy and reliability of the radiation system. In addition，in order to meet the common needs of military aircraft cockpit，the low-pressure environment test of a single lamp was carried out. The test results show that the single lamp structure of system can meet the work in the low-pressure environment. The following special environment test of the whole heat flow simulation irradiation system can be further carried out.

Key words: militaryaircraft, heatflowsimulation, solarirradiationsystem, lightarraysystem, opticaldesign

CLC Number:

V216.5⁺1

WANG Danyi， JIANG Shanping， YANG Linhua. Heat Flow Simulation Irradiation System for Military Aircraft[J]. Acta Armamentarii, 2020, 41(9): 1913-1920.

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