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Chapter 864

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    ?

    Yao Weiming: [The young man is uneducated, so he walks the world with a single sentence.  My master is actually a national academician?  ?  ?  !  !  !  ¡¿

    Yu Yan: [?  ?  ?  ¡¿

    Qi Nan: [You are actually the legendary Academician Li?  What did I say last time?  Oh, I remembered!  I said, Li Yun is as good as Academician Li!  ¡¿

    Li Yun pressed "Tudu" twice on the temple that was throbbing, and expressed a question mark.

    ***

    When Yang Tian found Li Yun, the latter was still replying messages.

    Yang Tian knocked on the door twice, and then opened the door and walked in after hearing voices from the office.

    "Academician Li." Yang Tian nodded towards Li Yun, and stretched out his hand again.

    Li Yun put down her cell phone and stood up, hiding all her unruly body in the lecture hall before, shook hands with Yang Tian, ??and said politely: "Mr. Yang."

    The two sat down on the sofa chair in the office.

    Yang Tian laughed, "Academician Li, you are too polite, I would like to ask you for a favor this time."

    "Please tell me." Li Yun raised his eyebrows, "If there is anyone who can help you, that's fine."

    Yang Tian's position in the national aerospace field is unrivaled.

    Almost half of his life was dedicated to the aerospace industry of the motherland.

    Apart from respect, Liyun respected him, but also admired him.

    Yang Tian took out a piece of paper from his bag, "This is the schematic diagram of the hypersonic vehicle we designed recently. This time, I wanted to ask Vice President Leng to take a look at it. However, now it seems that Academician Li  Obviously more appropriate."

    Li Yun took it over, and his eyes fell on it.

    This schematic is very detailed.

    The specific values ??are all marked above.

    Yang Tian: "In order to improve the handling performance, the rear wing is almost completely horizontal, but it also brings a lot of trouble."

    Li Yun nodded, her eyes narrowed slightly.

    "The efficiency of the empennage decreases, the Mach number increases, and the directional stability and lateral stability of the aircraft decrease."

    "That's right." Yang Tian echoed, frowning slightly, "Our current idea is to find a balanced critical value, but it is very difficult. A slight change in the data will greatly change the ability to perform in the air."

    Li Yun pursed her lips, took out a pen from the pen holder, and twirled it around with her fingertips.

    Pulled a pen flower.

    This is indeed a difficult problem.

    Finding the critical value through trial and error will consume a huge amount of financial resources.

    More importantly, there is no end to trial and error.

    After being precise, it can be even more precise. This is like a bottomless pit.

    After pouring Yang Tian a glass of water, Qin Mian walked out lightly without making a sound.

    I don't know how long it has been.

    "There is a way." The pen in Li Yun's hand was placed on the table again, and he leaned back on the chair, with a somewhat casual posture.

    Yang Tian took a deep breath, unbelievable in his eyes.

    Surprised that Li Yun could think of a solution in such a short time.

    According to the degree of rigor with which Li Yun treats academics, it is naturally impossible to just pull out a point of view and perfunctory.

    "Academician Li, please tell me."

    Li Yun's cold white slender fingertips pointed to several places on the map.

    "Automatic devices are installed in these places. According to the airflow environment, the vertical tail area can be automatically contracted or expanded. There is also a limit on the Mach number. Of course, it is better if the two are used together."

    Yang Tian stared at the diagram in silence.

    The line of sight slid little by little along the place Li Yun just pointed at.

    Then she kept nodding her head, a gleam of light overflowed from the bottom of her eyes, and then dimmed again.

    "The design of the algorithm of the automation device is not that simple, and the programmer needs to know something about the aircraft. There are really few such talents now."

    "This." Li Yun's beautiful eyes hooked up, and his tone was light and calm, "I'm not good at this, I understand a little bit." (Remember this site's website: www.hlnovel.com
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