After previous supercomputer simulation analysis of the propulsion system of the new recyclable rocket, the research and development progress has been greatly advanced.
Although the problem of height matching of rockets was taken into consideration during the development, there are various models with different thrust sizes.
But now the task is most urgent. The first thing to develop a successful propulsion system is to use a high-thrust solution of 11 YF-110 liquid oxygen kerosene engines.
Of course, this is also the most difficult thrust system solution to solve. After all, everyone knows that the greater the number, the more difficult it is to control it at the same time.
The last time I used supercomputing, I had actually calculated the pros and cons of each design plan and how to optimize the design plan.
Supercomputer simulation experiments show that the propulsion system design with a central layout is not only better than the design with a surrounding layout, but is also easier to optimize.
In order to promote the design of the system, the Rocket Research Institute spent so much manpower and material resources that others would be very surprised when they heard about it.
For testing, more than thirty YF-110 liquid oxygen and kerosene engines were burned on the test bed.
That is to say, the Rocket Research Institute is now richer than before. Otherwise, no matter how bold Zhang Xingyang is, he would not dare to burn money like this.
You know, even though the cost of this engine is very low, with Zhang Xingyang's participation in the design and manufacturing, the cost is basically controlled at around two million.
Thirty engines, worth 60 million, were all burned on the engine test bench in less than a month.
This is equivalent to burning down almost five or six courtyard houses in Beidu in one day.
Of course, the amount of money burned by the Rocket Research Institute is nothing.
After all, now is not the time to engage in a crazy space race like when Mao Xiong and Eagle Sauce faced off.
At that time, Mao Xiong and Yingjiang's annual investment in the aerospace field was almost always calculated as a percentage of the gross national product.
However, at this time, the domestic financial situation is still relatively weak, and it is impossible to inject massive funds in this area like the two former superpowers.
At this time, many domestic matters have to give way to economic construction, not only in the aerospace field, but also in many units related to key national defense undertakings.
Especially the navy, air force, and navy's main ships are basically backward models imported from Mao Xiong's family after the founding of the People's Republic of China. No new ships have been built in I don't know how many years.
As for the Air Force, life is not easy either. Master Ba has been guarding this sky for who knows how many years, and it will be some time before the Jian Shi is born.
Of course, because of Zhang Xingyang, the J-10 will arrive at this time much sooner than before, and because there is no need to make a series of changes to adapt to the Su-27, the service time will also be much earlier than before.
Compared with the navy and air force, which basically can only rely on equipment exports to find a way out, the aerospace system does have more options.
After all, domestic equipment exports at this time are mainly army equipment. The navy basically does not have any equipment for export. Its own fleets are not enough, so how can it get exports.
The Air Force still exports more aircraft than the Navy, but not much more.
The aerospace system can do a lot more business. Launching rockets for others is the most common. Satellite R&D and manufacturing actually also have a certain amount of business.
If the recyclable rocket is successfully developed this time, the cost of domestic space launches will be further reduced, and more rocket launch missions can be obtained.
The propulsion system consists of 11 YF-110 liquid oxygen kerosene engines with a thrust of 1132KN, standing like a giant monster on the engine test bench.
Below the test bench are several wide flame guide grooves, which are used to guide the huge wake generated during the test run of the propulsion system to the surroundings of the test bench.
This is also to extend the service life of the test bench, otherwise when the engine is started, the huge flame wake generated will easily burn the surface of the test bench.
After all, the power of these rocket engines is comparable to dozens of flame cannons, and the temperature of the tail flame can even reach over three thousand degrees.
You must know that the melting point of general high-temperature alloys does not exceed two thousand degrees. Even the melting point of titanium metal is only more than 1,600 degrees.
Strong fortifications made of reinforced concrete can hardly withstand the test of high temperatures above 2,000 degrees.
Therefore, the surface of the test bench is made of ultra-high temperature resistant composite ceramic material, and the surface is even coated with a carburizing film.
The purpose is to extend the use time of the test bench.
After all, after this, the test bed needs to participate in the verification of many propulsion system solutions. In addition to this 1,200-ton thrust system experiment, several designs with lower thrust also need to be tested on this test bed. Various tests.
In the future, the launch of some microsatellites cannot rely entirely on heavy rockets that are mainly used to launch to the geostationary orbit at an altitude of 36,000km.
It also needs some smaller thrust, mainly used to launch satellites into low-Earth orbit.
Of course, after our own space station is successfully constructed, they will also be used to transport supplies and astronauts to the space station.
"Bozi, how are the preparations for the sixth test of the 1,210-ton propulsion system?"
In the engine test bed test center, Zhang Xingyang was flipping through the test reports of previous propulsion system tests.
In the past few days, Zhang Xingyang had been staying at the launch base because he had to watch Changsanyi launch two "Iridium" satellites in person.
Today, the 1,210-ton propulsion system is undergoing its sixth test run. Zhang Xingyang has just rushed back to the Rocket Engine Experiment Center from the launch base.
The results of the previous experiments are not particularly clear. We can only quickly browse the previous test reports to increase our understanding of the latest design scheme of the propulsion system.
Each test report is hundreds of pages long, and contains various complex formulas and parameters. If an average person can understand a report in a week, he or she is considered to have a good brain.
It took Zhang Xingyang less than half an hour to read the five test reports. On average, the reading time for each report was less than six minutes.
I read the entire experimental report almost as quickly as an outsider might flip through a book.
"The results of the last experiment were actually quite good, but there are still certain problems with the synergy between the various engines."
"This time we have made linkage changes to various lines of the propulsion system, hoping to allow them to play a better synergy."
