China launched an airfoil design system and database on Wednesday to provide key technical support for independent innovation in the aviation sector.
The airfoil database was built by the National Key Laboratory of Aircraft Configuration Design in northwest China’s Xi’an City, which was jointly run by the Northwestern Polytechnical University and the First Aircraft Institute of Aviation Industry Corporation of China.
The database integrates a customized airfoil profile system designed for eight types of advanced aircraft, creating China's first such database for industrial applications.
"The research and development team, consisting of members of three generations, has devoted over 30 years of efforts to build up the theoretical foundation of airfoil design and combine it with model development, thus creating a comprehensive airfoil system in China from scratch. Now China has developed over 1,000 airfoils with complete independent intellectual property rights. The release of China's airfoil system marks a breakthrough in its independent development of basic research and design development in this field, which has great historical significance," said Tang Changhong, director of the National Key Laboratory of Aircraft Configuration Design, during the launch event.
As airfoil design is the foundation of aircraft design and development, experts said that the establishment of the airfoil database provides technical support for China's general aviation and drone sectors, which will play an important supporting role in the development of the aerospace industry in China.
"The release of this set of system and database can greatly reduce the work in the early stage of the design department, thus speeding up the development process. In the future, people can look for the suitable [ airfoil design] in our system according to their performance requirements. If they have more specific requirement, they can use this system as a basis, and our supporting design software can quickly make customized airfoil to meet their requirements," said Gao Zhenghong, a professor from the School of Aeronautics of Northwestern Polytechnical University.
China launches airfoil database to support innovation in aviation technology
China launches airfoil database to support innovation in aviation technology
The Iranian government is focusing on public concerns and maintaining stable supplies of essential goods amid recent protests, Iranian President Masoud Pezeshkian said in a televised interview on Sunday.
In the city of Karaj, northwest of the capital Tehran, daily life has largely continued as normal. A video filmed by a local resident on Sunday shows food stores open and grocery shelves fully stocked.
"This is the block near my home, and there are some food stores here. Daily life continues here. Last night we did not see many protests in Karaj. Right now the city is very safe. This is a grocery store close to my home. All the food is available; nothing is in shortage. Here are noodles and different types of beans. Here are dairy products, cheese, and yogurt. I also checked other grocery stores and didn't see any shortages. Everything is available," said local resident Ali Reza.
Iranian officials have described recent disturbances as acts orchestrated by the "enemy," including some carried out by well-trained and armed "terrorists." The incidents have caused casualties among security personnel and civilians, as well as property damage.
The Secretary of Iran's Supreme National Security Council Ali Larijani has directed authorities to severely punish the "terrorists."
Meanwhile, Iran's police chief Ahmad-Reza Radan said on Sunday that the police had raised alert levels and arrested several leaders of the troublemakers during the operations on Saturday.
President Pezeshkian noted in the interview that the normal demands of the Iranian people are reasonable and justified, but they must realize that triggering riots and carrying out terrorist acts are the enemy's attempts to undermine the country. He urged the public to remain vigilant.
Also on Sunday, Iranian Parliament Speaker Mohammad Baqer Qalibaf warned that Tehran would regard U.S. and Israeli bases and facilities in the Middle East as "legitimate targets" if Washington takes military action against Iran. His remarks followed media reports saying U.S. President Donald Trump is "seriously considering authorizing a strike" against Iran.
Iranian state media reported that at least 109 members of Iran's security forces have been killed in clashes since the protests began 14 days ago. Meanwhile, human rights groups based outside the country said the number of protesters killed has exceeded 200, though the figure could not be independently verified.
The protests initially erupted over a sharp depreciation of the rial and sweeping subsidy reforms. Iranian authorities have blamed the unrest on foreign-linked agents and sanctions imposed by the United States.
Iranian president says government focusing on ensuring supplies amid protests
