"Lu Xiao has always been efficient. As a technical person, everyone hopes for efficiency!" This is Hua Yanxing's heartfelt feeling. Anyone who is engaged in research would not hope that the Great Wall project will be completed in one day, but obviously, this is a luxury.
Before Wu Tong emerged, the extraordinary R&D speed represented by Lu Xiao was already the top R&D speed in China, which discouraged many people.
But now they have Wu Tong, and Wu Tong's speed has become a measure of his ability. Wu's state is the result of Wu Tong's bursts of inspiration. Wu Tong's speed is synonymous with the rapid development of research results.
"Wu Tong, the actual test data of fuel N24 is out. The highest specific impulse is 927, which is almost three or four times that of the best solid and liquid fuels before! The thrust performance is also very good, also exceeding the predicted data you gave!" She went to the scene in person and followed the actual test, and got this very shocking data firsthand.
Several experts from the aerospace industry were so surprised that their eyes almost popped out. Before they came, they were a little skeptical about the predicted data of 800 starting from the previous discussion meeting. They thought that if the actual test result was 60% off, it would be a new progress for China Airlines.
Unexpectedly, Wu Tong's data was just modest, and the actual value was even higher than predicted!
The data given by Wu Tong should be the lowest prediction, rather than the highest data that people usually use to show the effect.
The successive developments of high-energy explosives and high-energy fuels delighted the artillery leaders, who were dazzled by the news. This was great news for their missiles. The aerospace experts were also filled with excitement, eager to delve into solid-state engine development.
However, there is still a problem that needs to be overcome before further solid research and development, but compared to this super fuel, that is nothing.
"The specific impulse is high, the time is long, and the temperature is high, which is a bit too much for the engine to handle. The nozzle shows signs of softening over time, especially when the propellant is fully loaded, and finally it melts completely. The situation is better when the fuel is halved!" Hua Yanxing said regretfully, this is inevitable.
The specific impulse of previous solid fuels was only two or three hundred, but now it has suddenly increased by more than three times. The same amount of fuel can last more than three times longer than before. It is inevitable that the materials of the previous old engines cannot withstand the impact of such super fuel.
It’s not the fault of super fuel. They are still excited and surprised by the birth of such super fuel. However, reducing fuel configuration and improving the engine are problems that must be faced.
The burning time of the same unit weight of fuel has been increased by more than three times, which means that their missiles and spacecraft can hit farther and faster.
Overcoming the small difficulties ahead is a task that must be undertaken.
"I wonder if our new engine materials can withstand the high temperature of super fuel?" Hua Yanxing was a little worried. Although the materials they are using now are more advanced than the engine materials of the big guys who are about to be retired, there is a great possibility that they cannot withstand the burning of a full propellant column of super fuel.
After all, the new super fuel developed by Wu Tong can be said to be a groundbreaking advancement and may exceed the tolerance of current materials.
"Mr. Hua, I have thought about it. Let's see the test run results first, and then improve it!" When designing the engine, Wu Tong took into account the high inlet and outlet temperatures of the engine. The outlet temperature can even reach over 3000. Therefore, when designing, Wu Tong considered integrating the cooling system to reduce the pressure of excessive temperature on the engine and increase the energy efficiency ratio.
However, the fuel N24 that she accidentally derived, after she further refined the numerical ratio, the data did exceed her initial expectations. Fortunately, she had reserved some space and could give it a try.
Wu Tong and Hua Yanxing briefly explained her ideas and directions for improvement. After completing the projectile optimization, she planned to conduct the optimization derivation of new materials for the combustion chamber nozzle and the two-way derivation of the coating.
There are also new materials for the projectile... everything needs to be done one by one, and it is impossible to arrange them all at once. She regrets that she does not have a few more hands and the ability to do the work for herself.
After all, the technology of solid rocket engines is simple. After the 1960s, solid rocket engine technology has made progress, and now many missile launches use solid fuel engines.
The catapult engine is not compatible enough with the new fuel. If it can be compensated with a high-temperature resistant coating, minor improvements can be made on the basis of existing missiles in service, and the new fuel can be used as soon as possible to increase endurance and combat effectiveness. This is the fastest way to improve it.
The reform of various missile engines cannot be accomplished in a short period of time. Moreover, it is unrealistic to immediately retire the missiles that have been manufactured and put into service without significant waste. If a super high-temperature resistant coating can be developed, it can further save the country's losses, and high-temperature resistant coatings have many uses.
The new material complements the new engine she's designed, and the coating is intended for existing spacecraft and missiles that are planning to switch to N24 fuel. It would also be good news if someone could develop and manufacture it before she does.
After all, her energy is limited, and she cannot focus on all scientific research areas. If China's scientific research community can flourish, Chinese science and technology will be able to take big strides forward.
Hua Yanxing nodded seriously. Wu Tong's considerations were very thorough. He was becoming increasingly proficient in the responsibilities and powers of the project chief designer, and she hardly needed to add anything. His research and development was even more advanced. He was indeed an excellent talent. He performed well in all areas and made rapid progress.
However, regarding the research and development of new materials, Hua Yanxing feels that it still depends on Wu Tong's estimation. Other teams are not as efficient as Wu Tong.
After discussing each issue, Wu Tong consulted Hua Yanxing on various aspects of missile design. As a veteran missile engineer with twenty or thirty years of experience in the field, she had much to learn from. The deeper her understanding, the more she could ensure the PL-15 was, and must be, foolproof.
Taking on such an important national scientific research project for the first time, Wu Tong was not afraid of treading on thin ice, but was diligent and conscientious in his actions.
In the missile body design section, structural analysis, aerodynamics, ballistics, the operating requirements of each system on the missile, the missile's tactical indicators, the longitudinal configuration of the wing surfaces along the missile body... all must be taken into consideration. Every detail must be carefully considered, and no detail is too much.
Even the slightest oversight in a detail can lead to failure, ruining the entire project and wasting national resources. The cost of scientific research is always realistic and cruel, and the price of failure is too high!
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