Mach 30 Speed - A formation of Dongfeng-17 rockets is participating in a military parade in celebration of the 70th anniversary of the founding of the People's Republic of China at Tian'anmen Square in Beijing. The Ukrainian war may turn the eyes of PLA commanders to more basic capabilities - like mobile infantry. (Xinhua/Mao Siqian)
"There is a Chinese saying, it takes 10 years to sharpen a sword. 60 years to sharpen two swords ... and we are the best.
Mach 30 Speed
Imagine a wind tunnel that can simulate flight at Mach 30 - 23,000 mph, or 30 times the speed of sound.
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It may sound like science fiction, but in fact China has built a hypersonic tunnel in Beijing that has put the superpower decades ahead of the West, according to a report in Britain's Sun.
Researcher Han Guilai of the Chinese Academy of Sciences said that with another facility, also in Beijing, China would be about 20 to 30 years ahead of other powers.
Such future technologies could allow high-tech space jets to fly around the world in two hours or less.
It could also open up space travel to ordinary people as hypersonic technology is said to be able to cut costs by more than 90% of reports.
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President Xi Jinping has made the modernization of the military a top priority and wants to have a "military world" capable of rivaling the US by 2000, according to the report.
The deadly DF-17 "carrier killer" can carry out extreme maneuvers while hurtling at a target at Mach 10 — some 7,600 mph — while any long-range ship can survive a direct hit.
The senior J-12 wind hypersonic tunnel is working in Beijing with a new hypersonic aircraft development facility. The JF-22 tunnel is capable of simulating flight at Mach 30 or 23,000 mph – 30 times faster than the speed of sound. Credit: fear
Even without a warhead, the DF-17 could look as large a ship as the US Navy's newest carrier.
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While no launch date has been set for China's hypersonic craft, scientists on the JF-22 will work with experts on the JF-12 — another of Beijing's favorite tunnels, which has about a fifth of the new's power output, the report said.
The fuel in the JF-220 burns at 100 million times faster than a regular gas stove, creating shock waves similar to those experienced in hyperspeed jets.
In America's first wind tunnel, called LENS II (National Energy Concussion Tunnel), simulated flights were moving at close to thirty thousandths of a second, between Mach 3 and 9.
"Our test period is much longer than theirs, so the developer's model can be bigger than theirs, and the experiments can be more advanced than theirs.
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The surface-to-air missile was fired from a rocket launcher by air forces under the command of the PLA Southern Theater during a long-range air defense exercise. (eng.chinamil.com.cn/Photo by Zhang Hengping and Yuan Hai)
Guilai, who works with China's Institute of Hypersonic Mechanics, said jets of such high speed could reach speeds of 10,000 degrees Celsius and break air molecules into atoms - even giving off some electrical charge.
He said, "This air is no longer the air we breathe. We study flying vehicles like swimming in mud."
Qian Xuesen, who is considered the "father of China's rocket program", coined the term "hypersonic" in 1946, after the behavior of air flow is different from it because it is five times faster than sound.
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The term was used in the research paper "Similar Laws of Hypersonic Flows" to distinguish velocities much higher than the local speed of sound from supersonic flows where the effects of thermal and chemical reactions on the flow motion can be neglected.
Hypersonic and high enthalpy flows refer to gas flows with high kinetic energy, in which thermal and chemical reactions can occur after the shock arc or within the boundary layer.
After more than sixty years of research work, hypersonic ground test facilities suitable for aero-thermochemical research are still based on high-enthalpy impact tunnels.
For example, LENS I and II in the USA, the High Enthalpy Shock Tunnel (HIEST) in Japan, the High Enthalpy Shock Tunnel (HEG) in Germany, and the JF-12 and JF-22 tunnels in China.
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Key aerodynamic phenomena and their effects on aircraft performance were first discovered through the atmospheric re-engineering of spaceships such as the space capsule or space enclosure.
Such vehicles encounter extremely strong nose shock waves and viscous friction on surfaces that can heat the surrounding air to temperatures of thousands or even tens of thousands of degrees.
Tsien Hsue-Shen confers with his attorney, Grant B. Cooper, at a deportation hearing on November 16, 1950. (Bettmann Archive)
The excitation of molecular vibrations, the dissociation of the gas and the ionization of atoms can occur successively as the temperature of the gas increases. In such a situation, the air will no longer be an ideal gaseous mixture, but a chemically reacting medium that varies with the temperature of the flow.
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A significant change in the flow medium results in changes in the constitutive relation of the high enthalpy in which energy transfer takes place in the reaction of chemical gases and the flow of motion.
This is a fundamental problem of hypersonic and high enthalpy flows and drives the investigation of the chemical physics of gas dynamics.
As well as working on hypersonics, it was Qian who was uniquely responsible for China's space and missile efforts after kicking off in the United States during the McCarthy era.
Former US Navy Secretary Dan Kimball - later head of the rocket company, Aerojet - would later say "the dumbest thing this country has ever done".
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But in the US in the 1930s and 1940s, Qian was no less valued, if not officially celebrated, as the pioneer of American rocket and rocket technology.
A student at the Massachusetts Institute of Technology and later a scientist and teacher at the California Institute of Technology, Qian, also known as Tsien Hsue-shen, played a leading role in the early American efforts to use propulsion and rocket propulsion.
At the end of the war, as a colonel of the provisional command, he questioned Nazi scientists, including Werner von Braun, sent to analyze the capabilities of Hitler's V-2 rocket.
In 1955, Qian was sent back to China, where he was hailed as a brave man and was immediately put to work cultivating Chinese rockets.
China Is Building A Wind Tunnel With A Speed Of Mach 30
Under his leadership, China developed its first generation "Long March" weapon and launched its first satellite in 1970.
This site, like many others, uses small files called cookies to help us improve and improve your experience. Learn more about how we use cookies on our website. Aviation brand Virgo Galactica carried the concept of a large passenger plane called Mach 3, which could fly three times the speed of sound.
The Mach 3 aircraft could carry between nine and 19 passengers and fly above 60,000 feet (18,300 meters).
With triangular delta wings, the craft could fly at a speed of Mach 3 or 3,704 kilometers per hour, which is three times the speed of sound.
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By comparison, the Concorde, a supersonic commercial jet that was in service until 2003 and also had delta wings, was just traveling at Mach 2.
Virgin Galactica has unveiled a concept plan, receiving permission from the Federal Aviation Administration's Center for New Concepts and Innovation to develop a certification framework for next-generation supersonic travel.
"This marks an exciting step in Virgin Galactic's development of a new generation of high-speed aircraft, in partnership with industry and government leaders, with a focus on customer experience and environmental sustainability," the brand said.
"The developer's philosophy is focused on making high-speed travel practical, sustainable, safe and secure, while the customer experience is the top priority," the brand said.
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"The airport, like any other passenger aircraft, will land and is expected to complement existing airport infrastructure and international airports around the world."
Virgin Galactica has teamed up with Rolls-Royce aerospace engineers to develop engine propulsion technology for the Mach III.
"We are delighted to be working with the innovative team at Rolls-Royce Engineering Group as we strive to develop sustainable, cutting-edge propulsion systems for aircraft, and we are delighted to be working with the Federal Aviation Administration to ensure that our plans can make an impact from the start," said George Whitesides, Virgin Galactic's chief space officer. .
"I've made great progress so far and we're looking forward to opening a new frontier in high-speed travel," added Whiteside.
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The Virgo Galactica team will now move on to the next phase of design, which involves finalizing the aircraft's architecture and choosing the materials to be used in its design and construction.
Although the Virgo Galactica is best known for the development of space travel, it also has advanced air vehicles.
The company recently revealed the interior design of its Spaceship Duo spacecraft, which is set to take six passengers on a suborbital flight into space to observe Earth and experience a few moments of gravity.
The Camera design was created in collaboration with the Seymourpowell studio to ensure "safety without distraction" and to maximize the view of Earth from space. this Commentary
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