Chapter 164: 0 failure time (7/13)

Gao Qiancheng patted Miao Yongfeng on the shoulder.
Miao Yongfeng nodded angrily, temporarily suspending metal flaw detection.
But his expression was still not convinced.
He stared at Wang Bu'an silently with gloomy eyes.
Boy, lucky you.
But what if you can pass the basic test for 2 hours?
There will be countless tests in the future.
All tests are very cruel. You suffer.
The engines produced by several other research institutes, factories, and dozens of top universities may not pass the test.
Are you alone? Want to revive Turbofan 6? joke……
Cheng Kailong slowly became nervous again.
It's mainly the atmosphere of the scene, which doesn't feel right!
Most of the old experts, old professors, do not seem to be very optimistic about the Turbofan 6.
Idiots can see their resistance.
If I knew it, I had to change the test site.
After all, this kind of experiment is informal.
In other words, this is a private experiment and is not allowed on the table. If you mess it up, there will be absolutely no next time.
Will Wang Bu'an mess up?
It's hard to say for now.
It takes time to speak.
Wang Bu'an was very calm.
What is this? Only 3000 rpm. The temperature of the combustion chamber is still less than 10 degrees.
How high can the temperature of the parts forged by the 50 billion ton hydraulic press be? Wang Bu'an himself had no way to accurately estimate.
As far as raw materials are concerned, it can withstand a high temperature of 7200 degrees. If it is a special bonus with craftsmanship, then 10,000 degrees is no problem. What kind of combustion can reach 10,000 degrees? Just rely on aviation kerosene? Haha, this is all about grilling titanium alloys with matches! Strange if it works.
"Continue testing?"
"Continue testing."
Zhao Ce pressed the start switch.
The second phase of testing begins.
This time, the continuous running time of the engine will exceed 10 hours.
The engine speed is still limited to about 3000 rpm.
What does this speed do?
cruise.
Subsonic cruise.
Generally speaking, when the fighter cruises, the speed is around 0.8 Mach.
This speed is the most fuel efficient. The life protection of the engine is also the best. Only in special circumstances, the engine will start the afterburner and increase the speed.
Many people think that modern fighter jets fly at supersonic speeds all the time, but they are not.
Even fighters like f-15 and f-35 will not cruise faster than the speed of sound.
Supersonic cruise is regarded as one of the basic performances of the fifth-generation fighter. As far as the current situation is concerned, for the time being, only the American f-22 can do it.
Of course, there is also the super abnormal sr-71 Blackbird.
European Typhoon fighter jets can also do it. The problem is that it will shorten the life of the engine. The gain is not worth the loss.
The time for subsonic cruising is often relatively long.
Five hours is often needed. Ten hours is no exception.
What are the requirements for these ten hours?
Just two points:
stable.
reliable.
Simply put, don't go wrong.
If the engine can't even do the basic ten-hour cruise, it is scrap iron. It will definitely be thrown into the garbage dump.
More than ten hours is thirty hours. Then one hundred hours. Then there are three hundred hours. Then a thousand hours. Then three thousand hours...and so on, the longer the test, the better. In the case that the parts are not replaced, the longer the maintenance time, the better.
This time can also be called the zero failure time.
The zero failure time of some excellent engines of American Emperor is very amazing.
Among them, the f-15 fighter is the most outstanding. Reach over 500 hours. The f-22 and f-35 are squeamish. Only less than 100 hours.
In terms of reliability and difficulty of maintenance, the f-15 is the most practical. It can be said to be strong, durable and durable.
As far as the fighters that have been put into actual combat, the f-15e is undoubtedly the best.
Whether it is Su-27 or MiG-29, they are not opponents at all!
"I'm going to bed." Wang Bu'an couldn't hold it anymore.
Reliability testing and stability testing are boring. It takes a long time.
It is impossible for him to wait ten hours on the spot.
"Oh, good. Come with me." Cheng Kailong hurriedly arranged a room for him.
Of course, the 556 Institute has guest rooms.
Wang Bu'an chose the largest and most comfortable room for check-in, bath and sleep.
Sleeping.
When I woke up, it was night again.
Looking at the time, it seems that ten hours of testing is almost the end. Just to see the result.
When I came to the test workshop, I found that the LCD screen had begun to count down.
The turbofan 6 engine has been running for 11 hours, 43 minutes and 39 seconds.
The previous 2 hours, plus the current 10 hours, the cumulative running time is about to reach 12 hours.
There is no malfunction.
Stable is like a weight.
The only drawback is that it consumes a lot of fuel.
At 3000 rpm, its fuel consumption can reach more than 1 ton per hour. The fuel system needs to be refueled several times.
This is an inherent defect of the turbofan 6 design. Wang Bu'an could not change either.
Unless it is the introduction of hydrogen to support combustion.
But then, it needs to be changed drastically.
I didn't see Miao Yongfeng, nor Gao Qiancheng, so I probably went to rest.
After all, this kind of test is boring.
Except for Zhao Ce's hard work, all the personnel on the scene changed.
Cheng Kailong and Zhao Cezheng leaned aside to smoke. Both of them are big smokers. The institute is also non-smoking. It shows that there are so many smoking guns. I often see cigarette butts on the ground.
Seeing Wang Buyan's arrival, Cheng Kailong took a few greedy mouthfuls before throwing the cigarette on the ground and then trampled it out.
"Pay attention..." Wang Bu'an pointed to the big slogan on the wall.
Ban fireworks.
Cheng Kailong chuckled.
Zhao Ce also chuckled, taking a few greedily fierce breaths.
"What to continue testing?" Wang Bu'an said, "Or reliability and stability?"
"It should not be anymore." Zhao Ce said, shaking his head, "Test afterburner."
"It's about the same."
"Come on?"
"No."
Wang Bu'an refused to smoke.
He circled around the various testing instruments.
There is no abnormality.
Very stable.
Cybertron's technology has always been trustworthy.
There are no flaws in the integrated turbofan 6 engine. There is no possibility of defects. Unless it is leaving the earth.
It's the fuel consumption... it's so touching.
This is still the state where the afterburner is not turned on, and the turbo is not deeply added. The air inhaled every second is less than 50 kg.
If the afterburner is turned on, the turbine speed will skyrocket, and 130 kg of air will be sucked in every second.
At that time, I am afraid that fuel consumption will surge more than three or four times.
I wonder who will bear the cost of this test? Is it yourself?
"The director is here."
"Attention all."
While talking, Chen Daguang had already appeared with his team.
Sun Chaosheng, Miao Yongfeng, Gao Qiancheng and others are there. There is also a strange face. The introduction said it was Pu Qiancheng of the 775 Institute.
A thin and small old man, he felt a bit similar to Ma Xiangtong.
People like them are almost raunchy. The hair is shaggy and the beard is bazaar. Don't care at all.
All they care about is their own work.
Pu Qiancheng's main area of ​​responsibility is the fighter's fire control system. Including various weapons and equipment.
Why does he appear here? It must be called.
The engine is the heart of a fighter jet.
Everything else needs to be developed around this heart.
How strong is the engine's thrust?
How many weapons can it carry?
What type of weapon does it carry?
What kind of weapon is it best at?
All of this can only be done after getting the accurate data of the engine.
It seems that the fire control system of the j15 carrier aircraft is rather depressing. Due to take-off weight limitations, the weapons it can carry are very limited. It is difficult for the fire control system to have room for play.
On the contrary, if it is the U.S. Emperor’s A-10 attack aircraft, which can hang a large number of weapons in full, then the fire control system is powerful.
"Comrade Xiao Wang, what is the estimated thrust of this turbofan 6?" Sure enough, Pu Qiancheng asked.
"There is definitely no problem in reaching the design target." Wang Bu'an answered cautiously.
"I hope so." Pu Qiancheng sighed.
"Definitely." Wang Bu'an replied in a deep voice.
He can understand Pu Qiancheng's emotion.
Heroes are useless! No chance to play at all!
It seems that the original J-8 fighter jet, due to its weak engine, can carry not many weapons, and many designs are not available.
Air-to-air...
Air-to-ship...
Air to ground...
Missiles, machine guns, machine guns, aerial bombs, cloud bombs, thermobaric bombs...
There are various weapons in our arsenal of China. Both atomic bombs and hydrogen bombs. As long as you can use it, we will give you equipment without hesitation.
Unfortunately, the premise is that you have to fly.
If there are too many weapons, too heavy, and you can’t fly, it’s a tragedy.
To say what Pu Qiancheng's greatest wish is, is that the thrust of the engine is large enough to let him pour weapons on the plane as much as possible.
Unfortunately, this wish has never been realized.
The thrust of the engine always feels insufficient.
"Increase the speed?"
"Speed ​​limit!"
Zhao Ce pressed the start switch.
The turbine is deeply involved, and the engine speed rises sharply.
4000 revolutions...
5000 revolutions...
6000 revolutions...
The sound of the engine has also been significantly enhanced ~EbookFREE.me~ The airflow jetting out from behind has become very violent, sweeping away all the dust on the ground, as if a tenth-level storm was generated.
Everyone can't help but retreat.
For fear of being radiated by the high temperature of the tail flame.
However, the test data shows that the external temperature of the engine changes little.
However, Wang Bu is installed in the engine shell, incorporating layers of insulating ceramics, which can block heat well.
The nozzle of the engine is also specially treated to prevent the scattering of heat insulation.
The temperature inside the main combustion chamber has reached over 1400 degrees.
General parts cannot withstand such high temperatures at all. Often abnormalities occur.
However, they are not ordinary parts.