Test engine and test method for combustion of double-base system propellant in different overload directions
A dual-base propellant and engine technology, which is applied in the direction of machines/engines, rocket engine devices, jet propulsion devices, etc., can solve the problems of affecting charge combustion, abnormal internal ballistic performance, and great influence on propellant burning speed, etc. , to achieve the effect of improving safety and reliability
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[0039] Example 1
[0040] Investigating domestic and foreign overload test devices showed that: in order to study the influence of overload angle on its combustion characteristics and internal ballistic performance, by improving the device, the angle between the axis of the engine and the horizontal line of the test bench can be basically reached between 0° and 90° Without changing the overload direction, the present invention can realize the overload combustion internal ballistic performance test at the angles of 0° and 180° by designing a symmetrical structure and by changing the installation directions without major changes to the device.
[0041] Such as figure 1 As shown, the double-base system propellant grains are prepared, and the grains are reshaped, turned, etc., and are coated with EPDM coating technology to prepare end-face combustion propellant charges, which have passed the examination of non-destructive testing techniques such as CT and DR The charge has no defect or...
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