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astronomy

Lu Shijia

Lu Shijia is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Lu Shijia rather than just read about it. In short: Lu Shijia (Chinese: 陆士嘉; March 18, 1911 – August 29, 1986), also known as Hsiu-Chen Chang-Lu, was a Chinese physicist and aerospace engineer who helped create China's first high-speed wind tunnel. She founded and chaired the aerodynamics program at Beihang University, the first in the country.

Lu Shijia — main illustration
Lu Shijia — illustration

Key takeaways

  • Lu Shijia belongs to astronomy; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Lu Shijia to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Lu Shijia from memory before moving on to harder problems.

Reference excerpt

Lu Shijia (Chinese: 陆士嘉; March 18, 1911 – August 29, 1986), also known as Hsiu-Chen Chang-Lu, was a Chinese physicist and aerospace engineer who helped create China's first high-speed wind tunnel. She founded and chaired the aerodynamics program at Beihang University, the first in the country.

Early life and education

She was born Lu Xiuzhen (Chinese: 陆秀珍; Wade–Giles: Lu Hsiu-chen) in Suzhou (Soochow) on March 18, 1911, the final year of the Qing dynasty. Her ancestral home was Xiaoshan, Zhejiang. Soon after she was born, her grandfather Lu Zhongqi, who served as Governor of Shanxi, and her father Lu Guangxi, were both killed by Yan Xishan during the Xinhai Revolution. Her superstitious mother blamed the baby for her father's death, and gave her away to be raised by a paternal uncle. She attended the primary school and the High School Affiliated to Beijing Normal University, where Qian Xuesen and her future husband Zhang Wei were her classmates. Inspired by Marie Curie, she entered the Physics Department of Beijing Normal University as the only female student. After graduating in 1933, she taught at the Fifth Women's Normal School in Daming, Hebei, and Zhicheng Middle School in Beijing. With financial help from her maternal uncle, the renowned doctor Shi Jinmo, Lu went to study in Germany in 1937. She studied at Göttingen University and received her Ph.D. in fluid mechanics in 1942. Her supervisor was Ludwig Prandtl, one of the founders of modern fluid mechanics. She was the only Chinese student and the only female graduate student of Prandtl.

Career After the end of the Second World War, Lu returned to China in 1946. She taught at Tongji University, the Aeronautics Department of Peiyang University, and the Institute of Hydraulic Engineering of Tsinghua University. She joined the China Democratic League in 1951. In 1952, Lu became a member of the preparatory committee for the establishment of the Beijing Institute of Aeronautics (now Beihang University). In 1962, she founded Beihang's aerodynamics program, the first in China, and served as its first chair. At Beihang she helped create China's first high-speed wind tunnel. When the Chinese Academy of Sciences resumed its election for academicians in 1980 after the end of the Cultural Revolution, Lu was nominated twice, but she declined both times and insisted on giving the opportunity to a younger scientist. She was a member of the first, second, and third National People's Congresses, the fifth and sixth CPPCC Standing Committees, the Standing Committee of the China Democratic League Central Committee, and the Executive Committee of the All-China Women's Federation. She also served as Vice Chair of the China Aerodynamics Research Association.

Personal life

In 1941, Lu married scientist Zhang Wei, her elementary school classmate, in Germany. Zhang was a member of both the Chinese Academy of Sciences and the Chinese Academy of Engineering, and served as Vice President of Tsinghua University. The couple had a son, Zhang Kecheng (张克澄), and a daughter, Zhang Kequn (张克群). Kequn's son Gao Xiaosong is a renowned musician.

Death and legacy Lu died in Beijing in August 1986, and her husband died in 2001. According to their will, their children mixed their ashes together and dispersed them in the lotus pond on the Tsinghua campus. On the first anniversary of her death, Qian Xuesen presided over a scientific symposium held in her memory. On March 18, 2017, Lu's 106th birthday, Beihang University established the Lu Shijia Laboratory, the first university laboratory in China named after a female scientist.

References

Illustrations

Lu Shijia illustration
Lu Shijia: Lu Shijia and Zhang Wei on board a ship to Europe
Lu Shijia and Zhang Wei on board a ship to Europe
Lu Shijia: Lu Shijia and husband Zhang Wei, circa 1941
Lu Shijia and husband Zhang Wei, circa 1941

Worked examples

Example 1 — a first encounter with Lu Shijia

Start with the simplest possible case. Write down what Lu Shijia claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Lu Shijia before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Lu Shijia ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Lu Shijia

In research
Lu Shijia appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Lu Shijia in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Lu Shijia is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1911 births, 1986 deaths, Academic staff of Beihang University, so understanding it makes those chapters shorter.
In everyday life
Look for Lu Shijia outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Lu Shijia in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Lu Shijia means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Lu Shijia out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Lu Shijia in simple terms?

Lu Shijia (Chinese: 陆士嘉; March 18, 1911 – August 29, 1986), also known as Hsiu-Chen Chang-Lu, was a Chinese physicist and aerospace engineer who helped create China's first high-speed wind tunnel. She founded and chaired the aerodynamics program at Beihang University, the first in the country.

Why does Lu Shijia matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Lu Shijia?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Lu Shijia.

Tags

  • 1911 births
  • 1986 deaths
  • Academic staff of Beihang University
  • Academic staff of Technische Universität Berlin
  • Academic staff of Tianjin University
  • Academic staff of Tongji University
  • Academic staff of Tsinghua University
  • Beijing Normal University alumni
  • Chinese aerospace engineers
  • Chinese expatriates in Germany
  • Chinese women engineers
  • Chinese women physicists

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