+++

date="2021-10-04"

title="Chapter Eleven"

weight="139438"

series = ["UAAG Air Crash Investigation Team"]

mode = "manual"

+++

In August, the temperature in Helsinki dropped a few degrees.

During the day when Zhuo Huan and Old Joseph went to the laboratory to do a magnetization experiment on the Les Royce engine, a hazy light rain fell on the factory area. At night, there is even a bit of a bone-chilling chill.

August in the northern hemisphere should be the hottest time of the year. To be precise, it should be the second hottest month. The temperature on the mainland reaches its highest peak in July, and it is slightly cooler in August, but it should not be more than ten degrees.

"Helsinki, latitude 60°N," Fucheng looked into Zhuo Huan's eyes, "In fact, it is very close to the Arctic Circle."

Only the Arctic Circle can reach the low temperature of ten degrees in August.

Zhuo Huan leaned back on the back of the swivel chair, exerting his waist slightly backwards, and the adjustable chair back was bent back by 15°.

He looked up at the black-haired young man in front of him, and they looked at each other silently.

Suddenly, Zhuo Huan got up. The wheel of the swivel chair made a faint rubbing sound on the ground, and he walked around his large desk and walked in the direction of Su Fei. When he walked around Fucheng, he didn't lift his eyes. He took a piece of chewing gum from the messy pen holder on the table and stuffed it into Fucheng's hand.

Because it was stuffed when they were very close, they weren't seen by other people. Only Fucheng pinched this piece of gum in a daze.

He turned around.

Zhuo Huan walked to Su Fei's table, folded his arms, and sneered.

"Don't hide, your face is so big, the computer screen can't hide you."

Su Fei: "Fuck! This horse is a 27-inch monitor, 27-inch!" Can my face be this big?

Zhuo Huan twitched, his fingers curled, and his knuckles tapped a few times on the table: "Find out all the weather reports in the Arctic Circle from December 19 to 20, 2019. In three minutes, I will be on the big screen. See all the information on."

Su Fei: "..."

Is there any law on the protection of minors in Finland!

In front of Zhuo Huan, the baby-faced underage cursed while quickly tapping on the keyboard, picking up the Arctic Circle weather report on the day of the crash from the weather websites of various countries. Two minutes later, he pressed the "enter" button vigorously, and said proudly: "Done!"

In an instant, densely packed weather reports were projected onto the large screen in the center of the survey headquarters lobby.

Zhuo Huan said impatiently: "The magnetic field parameters are prioritized and filtered out."

Su Fei whispered: "You didn't say anything just now."

It took five minutes to extract all the magnetic field parameters and compile a graph. Everyone gathered around the big screen to observe this magnetic field change curve. Su Fei was not idle either, a genius never just worked according to others' instructions. He stared at the monitor closely, and it took another ten minutes to make a full three-dimensional map of magnetic field lines.

Cut the earth into two halves to create a three-dimensional image of the northern hemisphere. Then, according to the magnetic field strength of the Arctic Circle calculated by various countries on that day, curved lines of magnetic induction were drawn in the illusory mid-air.

The turbulent magnetic lines are like a ball of black wool, which makes the scalp numb.

However, some parts of these magnetic lines of induction are blank.

Fucheng looked at Su Fei in surprise. Su Fei understood what he meant before speaking, and raised his hands: "Don't look at me. This is a simulated magnetic line map drawn roughly based on weather reports from countries around the world. ."

Fucheng: "The magnetic line of induction is a closed curve. Not only are these areas not closed, but there is also a lack of magnetic field."

Su Fei was also bitter: "I can’t blame this. There are only a few countries in the world that measure magnetic field parameters in weather reports, and even fewer in the Arctic Circle. The meteorological reports of the countries in the circle are counted, that's all. Not every country is so wealthy, not in the Arctic Circle, but also concerned about the polar climate."

The Arctic Circle is a huge area. If it were not for a laboratory that specializes in polar climate research, no one would specifically measure the strength of the magnetic field in the Arctic Circle.

"There is no need to count all the magnetic field strengths of the entire Arctic Circle. This is not realistic." Old Joseph looked at the magnetic line map on the screen, touched his chin, looked at Zhuo Huan, and asked directly: "Yes. Is it possible?"

Zhuo Huan's eyes quickly passed through the lines of magnetic induction.

The magnetic line of force is a kind of closed curve artificially designed by humans in order to simulate the illusory magnetic field.

The denser the magnetic field lines, the stronger the magnetic field strength.

The entire earth is like a huge magnet, with lines of magnetic field passing through the center of the earth from the north pole to the south pole; then flying from the south pole to the north pole, passing over the equator, to the north pole, and passing through the center of the magnetic field. At this point, a complete magnetic field loop is formed.

Zhuo Huan watched for a long time, then retracted his gaze. He said directly and quickly, "The possibility is infinitely close to zero", and then turned his head to look at Fucheng: "Have you been flying a polar flight?"

Fucheng: "Fly over."

Zhuo Huan: "Then you should know that in the event of a strong magnetic field such as a magnetic storm, polar flights will choose to make an emergency landing nearby."

Su Fei was confused. He is not a professional pilot, nor an airplane designer.

Lina looked at his bewildered expression, smiled and explained to him: "You didn't notice when you flew from Shanghai to Helsinki. When flying to the Arctic Circle, the stewardess would forcibly close all the visors and not allow passengers to open it privately? This is because in the Arctic Circle, the cosmic radiation is too strong, which will cause great damage to the human body. It is good to be able to close the light shield to slightly block the radiation."

Old Joseph also said: "Yes, when I flew a polar flight back then, I made an emergency landing several times. Once a magnetic storm occurs, the aircraft's communication system and instruments will be affected, and a temporary emergency landing is required."

Speaking of this, Old Joseph secretly looked at Zhuo Huan.

In fact, when Fucheng proposed the hypothesis of the influence of the Arctic Circle's magnetic field, he realized that it was almost impossible to be the cause of the accident. But he didn't expect that Reid would make such a mistake. Knowing that in the event of a magnetic storm, the plane would have to react on the spot, and would not be dragged until the accident occurred, but he still listened to Fucheng's words and asked Su Fei to make a three-dimensional map of the magnetic lines.

Fucheng looked at Zhuo Huan steadily, his eyes calm and firm: "This is the only explanation."

Zhuo Huan glanced at him, and the next moment, he turned his head to look at the old Joseph.

Zhuo Huan: "I said that the possibility is infinitely close to zero, but I don't mean that there is no."

Old Joseph was stunned: "Huh?" After a pause, he emphasized: "But if the magnetic field is too strong, the plane will definitely make a forced landing or return. JAL JL917 does not."

Fucheng: "This is the strangest place."

Old Joseph: "What's weird?"

"December 19, 2019 is the day when the geomagnetism erupted in 38 years. This outbreak was without warning, and meteorologists did not predict it in advance." Fucheng asked Su Fei to forcefully land the Arctic Circle in the past year. The plane’s flight of China was projected on the big screen, “Look, when the geomagnetic field is not strong, two planes make an emergency landing in Russia almost every month. But it was the day when the geomagnetic field was the strongest. The strong magnetic field did not make a forced landing in Russia, or even reported the damage to the air traffic control. This only shows one possibility."

The voice paused, and Fucheng said word by word: "This aircraft has not been affected by geomagnetism at all. In other words, its pilot does not feel that he has encountered a strong magnetic field riot that has been seen in 38 years."

Su Fei asked strangely: "I didn't encounter a magnetic storm? How could it be possible. The next day, major weather programs around the world reported that a strong magnetic field riot occurred in the North Pole, and the number of auroral outbreaks refreshed the history. I saw it when I collected the weather report just now. Lots of news reports."

Fucheng turned his head and looked at Su Fei: "Why is it impossible? If the plane was affected by a magnetic field, the pilot would definitely report to the air traffic control on the spot. But they did not. On the day when the magnetic storm was the strongest, the plane flew smoothly and still Landing, this is the first doubt."

Fucheng walked to Zhuo Huan’s table and picked up the survivor’s interview record he had just placed on his table. “And the second doubt is this: 65 people confirmed that they saw the aurora with their own eyes. Then the problem is coming. How did they see the aurora on the outside of the plane with the visor down?"

Old Joseph was surprised. He took the interview record in Fucheng's hand and quickly turned over all of it.

"I saw a beautiful aurora on the left side of the plane. 』

"A green aurora appeared outside the plane. 』

"We sat by the window and looked to the left, and saw a long and narrow aurora. It is like a green ribbon. Yamei said, this is the first time she saw the aurora. It must be a good sign. Maybe we can really meet Santa Claus when we go to the North Pole Village..."

Old Joseph suddenly raised his head: "Why?!"

Everyone was discussing the impact of geomagnetism on JAL flight JL917. Only Zhuo Huan stood in front of the big screen, stretched out his hand, and outlined the magical curves created by nature.

He slowly closed his eyes, and the lines projected on the screen surfaced in his brain and appeared in front of his eyes.

Behind him, Fucheng raised questions, and was then questioned by the old Joseph.

His lips opened slightly, Fucheng wanted to say the answer, but he didn't know how to answer the old Joseph.

He can find doubts, but he cannot answer them.

Why did JAL JL917 not make an emergency landing on the day when the magnetic storm was the strongest, and did not report that it encountered a strong magnetic field.

Why did the passengers pass through the visor and saw the aurora when they were supposed to put down the visor?

The black box can only record data thirty minutes before the crash.

It could not record the moment when the passengers said they saw the aurora, nor could it tell everyone present why this weird air crash happened.

"second question……"

Everyone turned their heads to look at the man standing in front of the big screen.

He is straight, looking from behind, the shoulder and waist form a perfect curve. No one can imagine that this is a great airplane designer, not a model.

The slightly long hair pierced the back of his head casually. Zhuo Huan didn't look back. He raised his hand and tapped his index finger forcefully on a blank spot of the magnetic line.

"The second question, the answer: the aurora appeared in a place where no visor was needed, so they saw the aurora." Zhuo Huan turned around, with a strong and unquestionable aura, "the plane has left and needs to be shaded. Board the aviation area, so flight attendants no longer prevent passengers from opening the visor."

After a brief surprise, Fucheng and Old Joseph suddenly realized.

Old Joseph understood: "Because of the violent magnetic storm, the aurora erupted in the airspace outside the regulations. It turned out to be like this! Yes, it can only be like this. The auroral eruption was too dense and too wide. Area, after opening the visor, you can also see the aurora." After a pause, the old Joseph looked at Zhuo Huan again: "But Reid, if the second answer is like this, then you can’t explain the first question-it’s so strong. The magnetic storm, why the aircraft did not have communication disturbances, and even why..."

"It didn't crash on the spot."

Old Joseph's voice fell, and everyone in the investigation headquarters looked at Zhuo Huan together, waiting for him to give a reasonable answer.

Fucheng quietly looked at the man standing in front of the projection screen.

He was wearing a very casual T-shirt with a black jacket tied around his waist, somewhere between laziness and leisure.

Compared with other investigators in suits and leather shoes, he was more like an artist, eclectic and unruly. There is no delicate jeweled bow tie, and no reflective hair treated with wax.

However, Fucheng knew that this person would definitely give the answer. He believed for no reason.

This belief is strange and familiar.

He picked it up from the end of the swamp from the depths of his memory, and it was covered with black mud. When touched, what sounded in ears was the person's merciless announcement and countless people's cry of despair.

However, it stands in the depths of darkness, still shining.

It turned out that from beginning to end, he never abandoned his belief in this person.

Not even for a second.

Fucheng tightened his lips. He lowered his head calmly and hid the fingers he was holding tightly.

Unconscious of the dark-haired young man's gaze, Zhuo Huan stretched his right hand behind him and tapped on the big screen. His expression was indifferent and relaxed: "There is a specialization in the art industry. Professional matters should be left to professional people to solve. Someone may know the answer to this question—"

Su Fei asked curiously: "Who? Can he know what you don't know? When you don't know, which expert can make people willing to bow down, come and listen."

Zhuo Huan glanced at him, but he was not rare to pay attention to him.

He walked to the printer and took a copy of the information from the printer exit. At this time, everyone noticed that before Fucheng went to Zhuo Huan to put forward his opinion, the man seemed to have been searching for information and printed a copy.

Zhuo Huan threw this information on the table.

Everyone looked around.

"Deterministic Magnetic Current Actuator's Hysteresis Nonlinear Dynamic Model"

Author: Teiichi Tsuna.