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The world’s largest civil amphibious aircraft AG600 successfully “obtained” the certificate, and the chief designer Huang Lingcai came from Nanjing University of Aeronautics and Astronautics; The Shenzhou 20 manned spacecraft is about to be launched, and there are also Nanjing enterprises behind it…… On the occasion of the 10th “China Aerospace Day” on April 24, the “Nanjing Power” is shining everywhere in a number of major developments in the domestic aerospace field. With the progress of science and technology and the intensification of global competition, the development of aerospace industry has become an important symbol to measure a country’s scientific and technological level, economic strength and international status. “For a long time, Nanjing attaches great importance to the development of the aerospace industry, and regards it as an innovative industrial cluster focused on building in the city, occupying an important position in the national industrial map, and continuing to contribute to the development of China’s aerospace industry.” The relevant person in charge of the Municipal Bureau of Industry and Information Technology said. Flying high and building a highland for the aerospace industry, where is the strength of Nanjing’s aerospace industry? The reporter interviewed relevant departments and enterprises.
01
Strong in product strength
In the laboratory of Rongtong Aero Engine Technology Co., Ltd., the high-end turbojet engine independently developed by the company is undergoing ignition operation experiments, and the R&D personnel are paying close attention to the test status.
“The speed of this engine can reach up to 40,000 rpm, close to three times that of large aero engines, due to its small size, light weight and low cost, it can provide power for high-speed UAVs, and is more widely used in civil low-altitude economic fields.” Wu Bin, manager of Rongtong Aviation Development Control Center, said.
Since its establishment in 2022, Rongtong Aviation Development has anchored the small aero engine track, and currently has dozens of products in two series of turbines and pistons, and is one of the enterprises with the most complete product spectrum and the most applications in the field of micro and small aero engines in China.
The performance of the product is relatively leading in China, and it can operate in an extremely cold and oxygen-deficient environment. “A certain type of aviation piston engine product adopts high-efficiency atomization technology to adapt to the marine use environment, especially its fuel consumption has reached the domestic leading level of the same magnitude engine, and can be applied to marine small vertical take-off and landing fixed-wing reconnaissance, agriculture and forestry plant protection, emergency rescue, scientific research and other UAVs.” Dr. Chang Guoqiang, deputy general manager of Rongtong Aviation Development, gave an example.
In the field of miniaturized and lightweight turbojet engines, Nanjing Tuxuan Technology Co., Ltd. has a number of key core technologies such as impeller system design technology and high-excitation high-power generator design technology, and has leading advantages in power generation, miniaturization and integration, reaching the domestic advanced level.
“The 30kW-200kW high-power turbojet generator system we developed can provide high-power, small-volume, and lightweight power supply products for airborne, vehicle-mounted, mine-based, and construction machinery.” The relevant person in charge of Tuxuan Technology introduced.
Commercial aviation is also a new track for Nanjing’s active layout. In the production workshop of Nanjing Kongwei Communication Technology Co., Ltd., engineers are stepping up the assembly and debugging of satellite portable station products. In the company’s exhibition hall, there are all kinds of satellite communication terminal equipment, the height of the whole machine is from forty or fifty millimeters to forty or fifty centimeters, which is 80% less weight and 70% less power consumption than traditional phased array equipment.
Enhance the hard power of products, and compete for the aerospace dream. The JC-S2000 hangar developed by AVIC Jincheng Unmanned Systems Co., Ltd. has the autonomous driving capability of the UAV reaching L4 level, which can automatically perform almost all routine tasks and return data without human intervention, which is in a leading position in the industry.
In addition, Kairui Xingtong Information Technology (Nanjing) Co., Ltd. can develop satellite communication network systems of different scales according to user needs, and the series of products have been widely used in transportation, emergency communications, Internet of Things monitoring and other fields.
02
Strong in the industrial ecology
It is the only national airport economic demonstration zone in Jiangsu Province, a national civil unmanned aviation pilot zone, a national pilot city for large-scale application of Beidou, and a key city in the national Yangtze River Delta large aircraft advanced manufacturing cluster……
Up to now, Nanjing has obtained a number of “national brand” titles in the aerospace field, fully demonstrating the characteristics of “hexagonal warriors”.
In the field of large aircraft industry, Nanjing actively strengthens the core aviation industry of the Airport Economic Demonstration Zone and builds an advanced aviation manufacturing zone. Among them, Nanjing Airport Economic and Technological Development Zone focuses on C919, MA700, AG600 and other civil aircraft electromechanical systems and core components, promotes the intelligent, high-end and cluster development of aviation manufacturing industry, and has been built into a domestic civil aircraft fuel system, hydraulic system and environmental control system and other three major systems of special manufacturing, is rapidly integrated into the domestic aviation industry division of labor system, aviation manufacturing national influence continues to expand.
As one of the supporting enterprises of the domestic large aircraft C919, all the R&D, production, delivery and maintenance business of AVIC Nanjing Servo Control System Co., Ltd. revolve around the electro-hydraulic servo system, which is the unit with the most complete product types, the largest output and the highest market share among the domestic electro-hydraulic servo valve manufacturers, and the products are exported to the United States, Italy, Russia and other countries and regions.
In terms of large-scale application of Beidou, Nanjing continues to build a more resilient BeiDou industrial foundation, build a wider coverage of BeiDou infrastructure, enhance the penetration of BeiDou applications in the field of mass consumption, accelerate the empowerment of the BeiDou industry in the field of industrial manufacturing, and tap the potential of BeiDou integration and innovative applications.
“At present, our city has formed a number of distinctive and valuable Beidou application cases in the fields of transportation, medical care, intelligent manufacturing, petroleum and petrochemical, meteorology, public safety, etc.” The relevant person in charge of the Municipal Bureau of Industry and Information Technology told reporters.
As a “hot word”, low-altitude economy has become a new industrial track for the development of national cohesion. In recent years, Nanjing has intensively introduced various policies and measures, and has laid out key industries such as low-altitude manufacturing, low-altitude support, low-altitude flight and comprehensive services, so as to promote the “acceleration” of low-altitude economic development. At present, the city’s low-altitude economic industry has gathered nearly 300 major enterprises, each with its own characteristics and advantages, including 140 high-tech enterprises, forming a good industrial ecology, and the level of strong chain supplement chain extension of low-altitude industry has been significantly improved. In the face of the “trillion-level” market of commercial aerospace, Nanjing actively opens up a “new blue ocean” of high-quality industrial and economic development. At present, Nanjing has given full play to its advantages in location, resources and industries, and has cultivated a number of representative enterprises around the whole industrial chain such as satellite platforms, payloads, ground equipment and satellite services.
All fields go hand in hand to build a good industrial ecology. According to the relevant person in charge of the Municipal Bureau of Industry and Information Technology, Nanjing has initially built an aerospace industry development system with aero engine and key parts manufacturing, airborne system manufacturing, ground equipment manufacturing, air traffic control system development, and unmanned aerial vehicle (UAV) as its advantages, gathering nearly 100 key aerospace enterprises. Among them, there are 8 listed companies, 2 national manufacturing individual champion enterprises, and 33 national specialized and new “little giant” enterprises. In terms of the construction of industrial carriers, each sector also has its own characteristics. ✦Among them, the Airport Economic Demonstration Zone focuses on aviation electromechanical systems, engine manufacturing, airworthiness certification, and aircraft maintenance, and builds an aerospace manufacturing and service base; ✦Liuhe Science and Technology Innovation Port focuses on the research and development of high-end aviation intelligent equipment and composite new materials, and builds an aviation science and technology innovation center; ✦Baixia High-tech Industrial Park focuses on avionics (air traffic control) system to build an intelligent aviation industrial park; ✦Pukou High-tech Zone focuses on drone manufacturing, flight and service guarantee to build a pilot area for future industrial development in Jiangsu Province; ✦Yuhua Economic Development Zone focuses on the development of military and civilian early warning and detection radar industries.
03
Strong in the ability to innovate
Huang Lingcai, the chief designer of the AG600 aircraft, is from China Southern Airlines, and as early as 2017, the AG600 aircraft successfully made its first flight in Zhuhai, Guangdong. Behind this, there is the sweat of the scientific researchers of China Southern Airlines.
It is reported that the Collaborative Innovation Center of Light General Aviation Aircraft Technology of China Southern Airlines has taken the lead in overcoming key issues such as aerodynamic layout, composite material structure layout design, material allowable value, etc., and has carried out aircraft hydrodynamic load calculation, belly broken step design and landing gear mechanism optimization design, etc., providing important technical support for the research and development of AG600 aircraft.
From the “Chang’e” lunar exploration to the “Tianwen” fire exploration, and then to the “Xihe” day by day, China’s space exploration has become deeper and wider, and its deep space exploration capabilities have continued to increase. And these highlight moments in the history of aerospace are silently helped by the “Nanjing Power”, shining with the scientific and technological strength of Nanjing universities.
In order to reduce the vibration and impact generated during the docking process of the spacecraft, the Southern Institute of Astronautics has developed a set of electromagnetic damper high and low temperature test system to test whether the damping characteristics of the electromagnetic damper in the space environment meet the design requirements, which has been applied to a number of Shenzhou series spacecraft missions.
Nanjing University of Science and Technology has made breakthroughs in key core technologies such as the overall design of micro-nano satellites, large-scale maneuver orbit change and control, spaceborne intelligent perception and detection, solid chemical microthruster arrays, space flexible debris capture, and reusable rapid launch platforms, and has served a number of major aerospace projects.
Scientific and technological innovation is an important driving force for the development of the aerospace industry, and this is Nanjing’s advantage.
At present, Nanjing has Nanjing University of Aeronautics and Astronautics, Nanjing University of Science and Technology, 14 and 28 aerospace colleges and universities and institutes of China Electronics Science and Technology, 8 national key laboratories, 3 national metrology centers, 1 national enterprise technology center, and 18 academicians of the Chinese Academy of Sciences and the Chinese Academy of Sciences in the field of aerospace, nearly 400 young and middle-aged experts enjoying special national allowances, and leading the country in R&D and production capacity in the fields of power systems, airborne systems, and aviation materials.
Leading industrial innovation with scientific and technological innovation, more Nanjing enterprises ushered in an “upward period” of development. “The positioner we jointly developed and produced with Nanjing University of Aeronautics and Astronautics has been successfully applied to the assembly of the wing and fuselage of the C919 domestic large aircraft.” Tan Yinshu, general manager of Nanjing Sufeng CNC Technology Co., Ltd., introduced.
Relying on the technical precipitation in traditional fields such as air traffic control and airports, Nanjing Rice Information Technology Co., Ltd. independently developed the “Tianmu” series of products, which solved the key problems such as whether there can be Luffy at low altitude, whether it can fly, and whether it can fly safely and reliably.
The low-altitude flight service management platform in the “Tianmu” series of products is the “brain” of the entire low-altitude operation. “It will provide safe, refined, efficient, smooth, convenient and professional services for large-scale, high-density, and multi-scenario operations, and fully ensure the safety of the whole process of low-altitude flight.” Ding Hui, deputy director of the National Key Laboratory of Air Traffic Management System, introduced.
Hundreds of boats compete for the current, and strive to sail. With a high-spirited attitude, China’s aerospace industry is surveying the sky and exploring the universe and decrypting the starry sky, and Nanjing is taking practical actions to plant a good soil and environment for the development of the aerospace industry and help pursue the “aerospace dream”.
