Heat flow compensation method for ground simulation test on infrared heating cage of spacecraft

Abstract

The invention relates to a ground simulation test on a spacecraft, and discloses a heat flow compensation method for a ground simulation test on an infrared heating cage of a spacecraft. The method comprises the following steps of: arranging a radiation heat flowmeter on the surface of an experimental spacecraft; and supporting and connecting a plurality of heating loops through a frame to form the infrared heating cage. According to the invention, the method also comprises the following steps of: 1, sticking 20 layers of heat control multi-layer heat insulating components on the back of the radiation heat flowmeter; 2, arranging heating steel belts among the infrared heater loops; 3, tensioning the heating belts, and ensuring that the inner surfaces of the heating steel belts are parallel to the outer surface of the spacecraft; and 4, respectively arranging heat radiation power and heating time for each heating steel belt. The method solves the problems that low heat flow simulation is limited, heating areas are mutually interfered, the uniformity of heat flow is low and the like in the prior art, and has the advantages of improving the accuracy of applying external heat flow, improving the accuracy of simulating the spatial thermal environment and reducing simulation errors.

Description

technical field [0001] The invention relates to a ground simulation test method for a spacecraft, in particular to a heat flow compensation method for a spacecraft infrared heating cage ground simulation test. Background technique [0002] In order to verify the overall function of the spacecraft under space environmental conditions and ensure the reliable operation of the spacecraft in orbit, sufficient environmental simulation tests must be carried out on the ground, the most important of which is the thermal test under simulated space thermal environmental conditions. Under ground environmental conditions, it is extremely difficult and unnecessary to strictly and accurately simulate the space thermal environment. Therefore, in the field of aerospace technology, the simulation test conditions are generally appropriately simplified under the premise of ensuring sufficient accuracy for spacecraft thermal tests. [0003] The external heat flow simulation method can be divided...

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems of limited low heat flow simulation, mutual interference of heating zones, and poor heat flow uniformity when the infrared heating cage of the prior art is in operation, the purpose of the present invention is to provide a heat flow compensation method for the ground simulation test of the infrared heating cage of a spacecraft