Backflow type ice wind tunnel capable of simulating sand-containing ice crystal-containing environment

By designing a recirculating ice wind tunnel that incorporates multiple systems, the problem of existing wind tunnels being unable to simulate the coexistence of sand and ice crystals was solved, enabling precise control of the mixed airflow of ice and sand, and improving the accuracy and comprehensiveness of material testing in extreme environments.

CN223623814UActive Publication Date: 2025-12-02XINJIANG UNIVERSITY
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Patent Information

Application Number
CN202520241928.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-02
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing wind tunnel systems cannot simultaneously simulate extreme environments where dust and ice crystals coexist, making it impossible to fully study the performance and durability of materials and equipment under these conditions.

Method used

A recirculating ice wind tunnel was designed, which includes an environmental experimental chamber, a liquid particulate matter injection system, a solid particulate matter injection system, a phase change particulate matter injection system, a temperature control system, and a pressure control system, and can simultaneously simulate airflow environments containing sand and ice crystals.

Benefits of technology

It achieves precise control of the airflow mixing ice and sand, enabling more realistic simulation of icing phenomena in extreme environments, improving the accuracy and comprehensiveness of material testing, and is applicable to fields such as aerospace, automotive, and materials science.

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Abstract

The utility model discloses a backflow type icing wind tunnel capable of simulating a sand-containing ice crystal-containing environment, which belongs to the technical field of wind tunnels and comprises a wind tunnel body, a liquid particulate matter injection system, a solid particulate matter injection system, a phase change particulate matter injection system, a temperature control system, a pressure control system and a plurality of power systems. The wind tunnel body is sequentially provided with a stable section, a contraction section, a test section, a first expansion section and a second expansion section, and the liquid particulate matter injection system and the solid particulate matter injection system are both installed on the stable section. According to the backflow type icing wind tunnel capable of simulating the sand-containing and ice-crystal-containing environment, the content of sand and dust, the content of ice crystals and the content of liquid water in the wind tunnel body can be adjusted, and the temperature in the wind tunnel body can be adjusted, so that more complex weather can be simulated in the wind tunnel body, the accuracy of experimental data is ensured, and the experimental efficiency is improved. Therefore, the reliability and the safety of the aircraft in an extreme environment are improved, and the test efficiency is improved.
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