Great Power Technology.

Chapter 204 Peak thrust, 121 tons

"Combustion chamber temperature reading!"

"Currently the temperature of the combustion chamber is 1100K, the working state of the combustion chamber is stable, no surge is found, and the operation is good!"

"Check combustion chamber pressure!"

"The combustion chamber pressure is lower than the design standard, and the load redundancy is 60%."

"Received, now carry out the regular speed change experiment and read the characteristic parameters of the compressor."

"The calibration data of air flow, boost ratio, efficiency, and surge point have been obtained, please operate the gear shift."

"The speed change is completed. Combustion group, synchronously monitor the data of the previous gas and wall temperature."

A series of passwords were circulated among the engineers in the test group. They were conducting comprehensive data monitoring on the engine. Everyone was nervously looking at the engine on the test bench, lest an accident might ruin all their hard work.

That's real burnt.

If anything goes wrong inside the engine, especially the hot parts, it's not uncommon to explode, even outright.

But fortunately, the performance of this Qilian engine has always been good.

Ye Zhou walked up to the leader of the testing team and asked while looking at the data:
"Give me a report on the overall situation. Compared horizontally with the GE-9X next door, how is Qilian's data performing?"

"Reporting to Ye Gong, the two engines have not yet entered the load test, so there is not much difference in performance. The data performance in all aspects is relatively stable, but compared with GE-9X, Qilian has a hot part surge point. Less, and the fan blade vibration intensity is also lower."

Ye Zhou nodded and continued to ask:
"When is the thrust test expected to start?"

"Start right away, Ye Gong, how much is the target thrust?"

"Set it to 80. After reaching 80, conduct a comprehensive inspection of the engine status, and then restart the test to see if you can make a higher breakthrough on this basis."

"understand!"

The people waiting at the scene also heard Ye Zhou's words, and all of them had expressions of surprise on their faces.

80 tons of thrust means that, if it can be reached, Qilian has surpassed GE-9X in terms of thrust value.

Is this possible?
After all, Qilian itself was imitated according to the drawings of GE-9X, and the theoretical performance data should not exceed that of the prototype.

However, from another perspective, the key heat-resistant parts of the Qilian engine have been replaced with new materials, and the high-temperature resistance of this material is more than 60% higher than that of the original titanium alloy material. Under this condition, the front gas temperature can be increased by nearly 2000K on the basis of the current 1200K.

According to the basic law of aviation development, every time the temperature of the front gas is increased by 100K, the thrust can be increased by about 10 tons. If no other conditions are considered, the ultimate thrust potential of this Qilian engine should be about 190 tons.

Of course, this is only an ideal model analysis, and the actual thrust is also affected by many factors such as bearing strength and blade strength.

But even if these effects are added, it seems that it is not difficult to increase the thrust by 10 tons?
Everyone looked at the display screen recording the thrust value, where there was a string of inconspicuous numbers recording the current thrust.

19.79.

The current thrust has reached nearly 20 tons, which is only 1000 tons away from the thrust target of CJ-10AX.

And the Qilian engine hasn't even started to exert power yet.

Two minutes later, the thrust test officially began.

The operator gradually pushes the joystick, the fuel injection speeds up, the temperature of the combustion chamber rises suddenly, and the high-pressure gas machine drives the bearings to drive the turbine blades, and then transmits the power to the fans.

The air intake of the engine emits a whistling sound of violent intake, and the thrust value increases steadily.

"The current thrust is 30 tons, and the GE-9X has a thrust of 30 tons. The data transmission has been established!"

The operator reported the situation loudly, and the data of the No. [-] test platform was transmitted to the central system, and then projected to another terminal display.

Of course, the current test team will not immediately compare and analyze the detailed data of the two engines. They just grab some data on temperature, thrust, vibration and pressure as a reference to evaluate whether the Qilian engine is operating in a good range.

"The goal of 30 tons of CJ-1000AX has been broken through. Will their project continue?"

"I don't think so. With Qilian, all high-thrust engines will be developed around the sedan chair project. If reverse engineering is done later, military small bypass ratio engines will also refer to Qilian. I guess turbofan 18 turbofan 20 of the projects will also be refactored."

"The sedan chair project is still busy. 35 tons."

"It's not over yet. Now the temperature and pressure data are far from the rated extreme value, and the performance of the fan blades is also very good. Keep watching!"

While speaking, the value on the screen has slowly increased to 40 tons, but under this thrust, neither Qilian nor GE-9X showed any abnormalities.

"GE-9X is still strong. This speed range should be the most commonly used speed. It performs almost perfectly in all aspects, and there are few surge points. The vibration of the blade tip is almost negligible. This kind of processing technology cannot be accepted."

"Then they have been doing it for decades. If they can't do it like this, how dare they be called the number one in the world? Isn't it the same for Qi Lian? Now the data is perfect."

"Qilian should be perfect. No, why do I feel that my expectations are a bit too high?"

The colleague on the side smiled, and after a while, he replied:
"It's not just you, I'm also the same. From the beginning of the test run, I felt that Qilian's performance may be much better than our previous design parameters. 50 tons."

The thrust displayed on the screen had reached 50 tons, and Ye Zhou's heartbeat began to speed up involuntarily.

50 tons.

This is a figure that the entire Huaxia aviation industry has never broken through for decades, but today, the sedan chair project team and the Qilian engine have broken through.

From the first generation of aero engines to the 50-ton thrust engine, the West has used it for nearly 40 years.

Although they are stepping on the shoulders of others, but it took only 7 months to achieve this level, isn't it a huge success?

"Continue to increase power. Is the data normal?"

Ye Zhou's eyes could no longer see the messy data on the screen, but after his question was asked, all the monitoring personnel paid attention to report to him.

"The temperature is normal!"

"Surge point is normal!"

"The pressure is normal! The internal structure is normal!"

"The air intake is normal!"

"Exhaust nozzle and wall temperature are normal!"

everything is normal.

Under the working state of 50 tons of thrust, the performance of the Qilian engine cannot even be described as perfect, but should be impeccable.

The number on the screen was still slowly climbing, and the speed at which this number was rising did not fluctuate at all.

Push the joystick and the number immediately goes up.

At a certain moment, the operator even wondered, if he pushed the control lever to the bottom, would the thrust of the Qilian engine immediately soar to a height that no one could imagine?

"How many redundant loads are there now?"

"The pressure is 50%, and the temperature is 50%, but we can't test it to the limit load. It's too dangerous. We need to reserve 20% redundancy."

While speaking, the operator continued to push the operating lever.

Thrust value increased to 60.

The thrust of GE-9X has also reached 60, but compared with Qilian, its thrust rate has begun to decline.

"GE-9X is about to reach its limit, the surge point begins to increase, and the vibration of the blade tip also accelerates. The strength of titanium alloy material is still not as good as our new material."

"Qilian has also begun to experience a surge point. But the range is still controllable, and it feels similar to the performance of GE-9X under 30 tons of thrust."

"Indeed. It should be the addition of materials. We have not surpassed them in technology."

"It seems that Mr. Ye is right in grasping the main contradiction. It's 70 tons, shit, GE-9X is going to die."

While speaking, the data transmitted by GE-9X had all alarmed, the temperature and pressure were close to the warning line, and the vibration reached the dangerous area. Ye Zhou urgently stopped the test run on the next-door test bench.

But at this time, no one cares about the test run of GE-9X.

Because of Qi Lian, he has already broken through to a brand new field.

The thrust is 76 tons, and it is still rising steadily.

The operator looked back at Ye Zhou, and asked:
"Ye Gong, the target value will be reached soon, should we continue to increase the power? At present, the engine is performing normally, and it feels that it is not exerting any power."

"Keep pushing harder, go up to 100 tons!"

The operator nodded, picked up the phone at hand to notify the emergency response team to get ready, and then continued to push the lever slowly and firmly.

80 tons.

Qi Lian easily crossed this boundary, and various data began to fluctuate, but they were still within the green threshold.

90 tons.

The temperature and pressure redundancy is all lower than 35%, the range of numerical fluctuations increases, and the working state of the engine begins to change. The first problem is the air intake. According to the 9-ton thrust design of GE-70X, Qilian’s conical air intake The mouth is a little too narrow, and the thrust rising speed begins to decrease.

100 tons.

The monitoring data fluctuated violently, the redundancy dropped to 27%, the fan blades had begun to vibrate beyond the green threshold, and other accessories without global design began to seriously drag down the powerful core thermal components.

108 tons.

The data crossed the orange threshold, and the surge points spread all over the engine. The operator looked at Ye Zhou. Ye Zhou pondered for a moment, and said:
"Push to 110 tons, enter the red zone for 30 seconds, and conduct an extreme value test."

"understand!"

The operator accelerated the speed of pushing the operating lever, and within 1 minute, the thrust of the engine soared to 118 tons.

Then, under the crazily flashing alarm lights, the operator suddenly pulled down the emergency stop link. Without his operation, the test bench immediately began to reduce the fuel supply according to the predetermined procedure, cut off some dangerous pipeline circuits, and the thrust value dropped rapidly.

After 10 minutes, the Qilian engine returned to idle.

"Check engine data!"

"normal!"

"normal!"

A series of responses sounded, and everyone present looked at Ye Zhou.

After the extreme value test, the performance of the engine is still normal when it returns to the idling state, so the reliability of this engine has passed the verification.

Ye Zhou's heartbeat suddenly missed several beats. He looked at the real-time statistics handed over by the operator in a little daze and said:

"I announce that the thrust test is over. The Qilian engine has a safe working thrust of 90 tons and a peak thrust of 121 tons."

Two hours later, the latest test data was transmitted to the small red house.

A group of scientific researchers and key personnel of the Nantianmen project team have already gathered there.

They looked at the huge number projected on the screen with different expressions on their faces.

After a long time, a man in a navy uniform stood up, waved his arm violently, and said:
"Fuck! Give this fucking Ye Zhou a fucking medal!"

　Today, because I am resting here, I will add two more chapters.

　　There may be fluctuations in the update next week. Fluctuations mean that one day is more and one day is less, but [-] words are still guaranteed every day.

　　Because, the content of the previous chapters I want to modify.

　　As for why, don't ask.

　　Anyway, when the time comes to modify it, you can go to see it again, which is equivalent to giving me a copy for free.It doesn't cost money.

　　
　
(End of this chapter)