Test simulation device and method for fire heating environment of rocket launching site

The invention provides a test simulation device and method for fire heating environments of a rocket launching site. The test simulation device comprises a heater (1), a mixing stabilizing chamber (2), a decelerating stabilizing chamber (3), a test nozzle (4) and a model support (5). The gas flow generated by the heater flows into the mixing pressure stabilizing chamber, a normal temperature gas is radially injected into the upstream of the mixing stabilizing chamber (2) and mixed with the gas flow generated by the heater (1), the mixed airflow enters a deceleration stabilization chamber (3),decelerates the airflow through the deceleration stabilization chamber (3) and eliminates the airflow pulsation and enters a test nozzle (4), and the airflow ejected from the test nozzle (4) simulatesthe fire heating environment of a rocket launching site; the model support (5) is placed at the outlet of the test nozzle (4), and the test model (6) is freely placed in the model support (5). 火箭发射场火灾加热环境的试验模拟装置及方法，其中，试验模拟装置，