7:18 on May 15th，Tianwen No. 1 detector successfully landed in Mars UtthPre -landing area in the south of Bang Pingyuan，my country's first Mars detection mission landing Mars is successful。General Secretary of the Central Committee of the Communist Party of China、State President、Xi Jinping, Chairman of the Central Military Commission, to congratulates the message，Representing the Party Central Committee、The State Council and the Central Military Commission，All comrades who conducted the first Mars detection task headquarters and participated in the task extended warm congratulations and sincere greetings。Xi Jinping pointed out in congratulations，Tianwen No. 1 detector landing Mars，It has taken an important step in my country's Star Injection journey，Realized the leap from the moon system to the planetary，Leave the Chinese seal on Mars for the first time，This is another milestone progress in the development of my country's aerospace industry。
Professor Xu Weilin, Wuhan Textile University, led the team developed "Mars landing inspector high -temperature elastic sealing device"，Provide guarantee for the posture adjustment of the landing process "Devil 9"，Deep help Tianwen No. 1 detector successfully landing Mars，Following the successful development of the Chang'e 5 moon showing the national flag, once again contributed to the Chinese aerospace industry "spinning power"。
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"Mars landing inspector high -temperature elastic sealing device" is commissioned by Wuhan bet365 casino blackjackTextile University for development。The team has received emergency tasks since the beginning of 2019，Team member Liu Ke Shuai、Guo Weiqi and others under the leadership of Xu Weilin，Emergency research for 14 months to complete this project。
(Pose -controlled engine is working intermittently)
The soft landing of the detector on the surface of Mars is the largest risk、The most difficult part of the technical difficulty。In the "Devil 9 -minute" in the Mars landing inspector landing，When the detector throws off the outsole and back cover，During the landing platform and Mars car，Large thrust engine starts to work，Detector Observe the ground，Find the safest specific landing site，At this time，12 pose control engines on the inspector with the main engine to play a deceleration and posture adjustment function。"Mars probe -resistant high -temperature elastic seal device" is assembled at the jet tube of the position control engine and the connection of the diversion cone pipe，This device uses special inorganic fiber materials and metal materials composite weaving，Successful high temperature resistance generated by the pose control engine spray port、Seal，and the elastic connection of the tailpipe tube of the pose and the tube of the pilot pipe。High temperature and elastic thermal sealing technology blocked the impact of engine flame high -temperature heat conduction on the operation of surrounding equipment，Make sure the engine flame is not leaked，Realized anti -push force accurate and controllable when the pose engine flame was sprayed，It provides an important guarantee for the detector's smooth landing and Mars。
Innovative methods overcome the two major problems of "heat insulation" and "rebound"
12 pose control engines during the landing process，Set up according to the intelligent program，Adjust the need to adjust according to the posture，Intermittent independent work accumulated about 2-3 minutes，"Mars probe resistant high -temperature elastic seal device" material must be able to withstand the engine at this time at 1500 ℃ high -temperature flames。At the same time，This device is in the intermittent work period of the engine control engine，Need to be under high temperature environment，Bullet open compression constant recycling and alternate alternate alternation。
(Pose -controlled engine is working intermittently)
During the development period，The team encountered technical problems in the selection of materials。At that time, there was no one -year -old compression on the market，Both 1500 ℃ high -temperature flame Short -time swing，It can also ensure 100%rebate material。After consulting a large amount of literature，Multiple solutions and experimental discovery，Organic materials cannot satisfy this function，You can only choose inorganic materials，But inorganic materials cannot guarantee 100%rebate at high temperature conditions。Team innovatively proposed the design scheme that separates the heat insulation and elastic function，Compound weaving with special inorganic fiber materials and metal materials，It guarantees the stability of the device，Better spring also effectively solved the 100%stable rebound problem，Finally reached the technical indicator required by the device。
Self -breakthrough use of aerospace spirit to lead "modern textile" vivid practice
The person in charge of the team Xu Weilin said: "We cherish every rare opportunity，As long as it is the task we take over，We will go all out! "The molding of alien 3D textile products is a worldwide technical problem，The team also encountered a bottleneck during the weaving process of materials，It is difficult to mix due to inorganic fiber materials and metal materials，And there are no mature equipment on the market to achieve，So the team's "quantity tailoring"，homemade mold，Cooperative hand -woven，overcomes the forming difficulties of alien three -dimensional special fabric。
In the severe period of the epidemic in 2020，Team member Liu Ke Shuai rebel back to Han，Back to the laboratory after the school's special approval。April 10，Wuhan just unblocked，Face the empty airport，Liu Ke Shuai is intertwined by the sense of mission and fear，He boarded the aircraft with the device alone，Go to Hainan's launch field，After arrival, go through isolation and multiple nucleic acid detection，Eventually, the assembly before launch is completed as scheduled。According to the team member Guo Weiqi，During the project test，Team members go to a research base for space simulation test，This base is located in the depths of the mountains，Positive Turnive Summer，Mosquito bites is unbearable，Members are fully focused on completing the test，I found that the bite -biting bag was found until the end of the test。Relying on this project，Many cultivated many、He Jiahao、Pay special、Fan Hang、Yang Wangwang、Jiang Huimin and other groups of graduate students，It bet365 live online casinogave good academic exercises for the further research of "modern textiles" for them。
(Team members perform simulation space ignition tests)
After this cooperation，Aerospace Fifth Hospital has highly recognized the team members and their technical contributions，The person in charge of the project said，Wuhan Textile University Strong combat effectiveness、Strong innovation ability、Strong ability to solve the problem。
In recent years，Yitian Question No. 1 landing inspector resistant high -temperature elastic seal device、Chang'e 5 Monthly Show the National Flag and other flags，Wuhan Textile University takes major national strategic tasks as its responsibility，Based on textile、Materials and other characteristic discipline advantages，Focusing on the innovation driving capabilities such as provincial and ministerial construction of new textiles and advanced processing technology, national key laboratories, etc.，Break through a series of "card neck" key technologies，Leading from biomedical to national defense military workers、Aerospace、Energy -saving and environmental protection、"Modern Textile、Super Textile、Big Textile "scientific research and application continuously expand。Next，The school will also focus more on intelligent manufacturing、Green Manufacturing、Creative Manufacturing、Effective manufacturing，Putting the development of technology first productive forces、Cultivate talent first resources、To enhance the innovation first driving force better combination，Better service for reform and opening up and socialist modernization。
(Correspondent: Liu Ge)