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Near-space multi-factor coupling ring module device

The near-space multi-factor coupling comprehensive test device is a large-scale, complex, and diverse ring mold equipment. This device is equipped with a vacuum system, heat sink, solar simulator, test sample platform, measurement and control system, as well as auxiliary environmental simulation units such as ultraviolet, atomic oxygen, and ozone. It can simulate multiple environments in near space and conduct thermal vacuum tests, thermal balance tests, and material performance tests at the component and mechanism levels.

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Near-space multi-factor coupling ring module device

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Refrigeration system

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Product Details

The near-space multi-factor coupling comprehensive test device is a large, complex, and diverse ring mold equipment. This device is equipped with a vacuum system, heat sink, solar simulator, test sample platform, measurement and control system, and auxiliary environmental simulation units such as ultraviolet, atomic oxygen, and ozone, which can simulate multiple environments in near space. It can conduct thermal vacuum tests, thermal balance tests, and material performance tests at the component and mechanism levels.

Performance Parameters

1. Vacuum Indicators (at room temperature)

Working vacuum degree: ≤5×10-4Pa.

No-load limit vacuum degree: ≤5×10-5Pa.

No-load vacuum pumping time: 2 hours to reach working vacuum degree, 6 hours to reach limit vacuum degree.

2. Heat Sink Indicators

Heat sink temperature ≤100K.

Surface absorption rate >0.9.

After the heat sink stabilizes at low temperature, the temperature uniformity is better than ±5℃.

3. External Heat Flow Indicators

a) Solar Simulator Indicators

Light intensity ≥1.3 solar constants.

Irradiation diameter ≥Φ400mm.

Irradiation surface light intensity non-uniformity ≤±5%.

Irradiation instability within 8 hours ≤±2%.

Power adjustment accuracy ≤5%.

b) Heating Cage Indicators

Heating cage temperature range: room temperature to 450K. Power is adjustable.

4. Ultraviolet Environment

Set up distant and near ultraviolet light sources A and B, with wavelength ranges: far ultraviolet λA ≤200nm, near ultraviolet 290nm ≤λB ≤400nm. The circular light spots formed by the two sets of light sources should focus on the test piece on the sample platform, and the other technical indicators of the light source are as follows:

Ultraviolet irradiation spot diameter ≥Φ300mm.

Maximum ultraviolet irradiation intensity ≥5 solar constants.

Irradiation intensity: 0.2 to 5.0 solar constants, adjustable.

Power adjustment accuracy ≤0.1 solar constants.

5. Atomic Oxygen System

Beam density ≥3×1015AO/cm2•s.

Irradiation surface diameter ≥Φ300mm.

Beam non-uniformity ≤15%.

6. Ozone System

Beam density ≥3×1015AO/cm2•s.

Irradiation surface diameter ≥Φ300mm.

Beam non-uniformity ≤10%.

7. Mechanical Loading System

This system can apply mechanical loads to the test piece and can perform biaxial loading.

Tensile adjustment range 10N-500N, adjustment accuracy ≤1N, measurement accuracy 0.1N.

Test piece size range is 10cm-30cm, elongation range ≥10cm.

The mechanical loading device can be removed from the device and is detachable.

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