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Nikolay Zhukovsky (scientist)

Nikolay Zhukovsky (scientist) is a mathematics 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 Nikolay Zhukovsky (scientist) rather than just read about it. In short: Nikolay Yegorovich Zhukovsky (Russian: Никола́й Его́рович Жуко́вский, IPA: [ʐʊˈkofskʲɪj]; 17 January [O.S. 5 January] 1847 – 17 March 1921) was a Russian scientist, mathematician and engineer, and a founding father of modern aero- and hydrodynamics. Whereas contemporary scientists scoffed at the idea of human flight, Zhukovsky was the first to undertake the study of airflow.

Nikolay Zhukovsky (scientist) — main illustration
Nikolay Zhukovsky (scientist) — illustration

Key takeaways

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

Reference excerpt

Nikolay Yegorovich Zhukovsky (Russian: Никола́й Его́рович Жуко́вский, IPA: [ʐʊˈkofskʲɪj]; 17 January [O.S. 5 January] 1847 – 17 March 1921) was a Russian scientist, mathematician and engineer, and a founding father of modern aero- and hydrodynamics. Whereas contemporary scientists scoffed at the idea of human flight, Zhukovsky was the first to undertake the study of airflow. He is often called the Father of Russian Aviation. The Joukowsky transform is named after him, while the fundamental aerodynamical theorem, the Kutta–Joukowski theorem, is named after both him and German mathematician Martin Kutta.

Life Zhukovsky was born in the village of Orekhovo, Vladimir Governorate, Russian Empire. In 1868 he graduated from Moscow University where he studied under August Davidov. From 1872 he was a professor at the Imperial Technical School. In 1904, he established the world's first Aerodynamic Institute in Kachino near Moscow. He was influenced by both Ernst Mach and his son Ludwig Mach. From 1918 he was the head of TsAGI (Central AeroHydroDynamics Institute).

Zhukovsky was the first scientist to explain mathematically the origin of aerodynamic lift, through his circulation hypothesis, the first to establish that the lift force generated by a body moving through an ideal fluid is proportional to the velocity and the circulation around the body. He is credited with the Joukowsky airfoil - an ideal shape of the aerodynamic profile having as essential elements a rounded nose (leading edge), double surface (finite thickness), cambered or symmetrical, and a sharp trailing edge. He built the first wind tunnel in Russia. He was also responsible for the eponymous water hammer equation used by civil engineers. He published a derivation for the maximum energy obtainable from a turbine in 1920, at the same time as German scientist Albert Betz. This is known controversially as Betz's law, as this result was also derived by British scientist Frederick W. Lanchester. This is a famous example of Stigler's law of eponymy. In December 1918 at Zhukovsky's proposal and with his active participation, the Soviet government founded the Central Aerohydrodynamic Institute (TsAGI), of which he became the first head. At the same time, theoretical courses for military pilots were founded, later transformed into the Moscow Aviation Technical College. The Institute of Engineers of the Red Air Fleet was established on its base in 1920, and in May 1922 it became the Air Force Engineering Academy named after Zhukovsky.

Zhukovsky died in Moscow in 1921.

Recognition A city near Moscow and the crater Zhukovskiy on the Moon are both named in his honor. The State Zhukovsky Prize was established in 1920 'for the best works in mathematics'. The Russian Air Force's engineering academy was named for him, later reorganized into the Zhukovsky – Gagarin Air Force Academy. In May 2016 Moscow's fourth largest airport was named in his honor. Mosfilm produced a 1950 eponymous biopic directed by Vsevolod Pudovkin with music by Vissarion Shebalin, which earned Pudovkin and Shebalin the USSR State Prize in 1951. The Russian Central Aero-Hydrodynamic Institute and the Ukrainian National Aerospace University – Kharkiv Aviation Institute are named after him. The Zhukovsky House is a museum dedicated to his memory

See also Joukowsky equation Joukowsky transform Kutta–Joukowski theorem

References

O'Connor, John J.; Robertson, Edmund F., "Nikolay Zhukovsky (scientist)", MacTutor History of Mathematics Archive, University of St Andrews

External links Media related to Nikolai Zhukovsky at Wikimedia Commons

Illustrations

Nikolay Zhukovsky (scientist) illustration
Nikolay Zhukovsky (scientist): Collected paper Nikolay Zhukovsky. Theoretical basis aeronautics.
Collected paper Nikolay Zhukovsky. Theoretical basis aeronautics.
Nikolay Zhukovsky (scientist): Stamp from the USSR Aviation series 1963 dedicated to Zhukovsky (CFA 2915, Scott 2774)
Stamp from the USSR Aviation series 1963 dedicated to Zhukovsky (CFA 2915, Scott 2774)
Nikolay Zhukovsky (scientist): The graves of Nikolai Egorovich, Elena and Sergei Zhukovsky
The graves of Nikolai Egorovich, Elena and Sergei Zhukovsky
Nikolay Zhukovsky (scientist) illustration

Worked examples

Example 1 — a first encounter with Nikolay Zhukovsky (scientist)

Start with the simplest possible case. Write down what Nikolay Zhukovsky (scientist) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, 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 Nikolay Zhukovsky (scientist) 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 Nikolay Zhukovsky (scientist) 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 Nikolay Zhukovsky (scientist)

In research
Nikolay Zhukovsky (scientist) appears in mathematics 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 Nikolay Zhukovsky (scientist) 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
Nikolay Zhukovsky (scientist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1847 births, 1921 deaths, 19th-century mathematicians from the Russian Empire, so understanding it makes those chapters shorter.
In everyday life
Look for Nikolay Zhukovsky (scientist) 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 Nikolay Zhukovsky (scientist) in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Nikolay Zhukovsky (scientist) 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 Nikolay Zhukovsky (scientist) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Nikolay Zhukovsky (scientist) in simple terms?

Nikolay Yegorovich Zhukovsky (Russian: Никола́й Его́рович Жуко́вский, IPA: [ʐʊˈkofskʲɪj]; 17 January [O.S. 5 January] 1847 – 17 March 1921) was a Russian scientist, mathematician and engineer, and a founding father of modern aero- and hydrodynamics. Whereas contemporary scientists scoffed at the id…

Why does Nikolay Zhukovsky (scientist) matter?

Because it connects several mathematics 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 Nikolay Zhukovsky (scientist)?

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 Nikolay Zhukovsky (scientist).

Tags

  • 1847 births
  • 1921 deaths
  • 19th-century mathematicians from the Russian Empire
  • 20th-century Russian mathematicians
  • Academic staff of Imperial Moscow University
  • Aerodynamicists
  • Aviation pioneers
  • Central Aerohydrodynamic Institute employees
  • Fluid dynamicists
  • Inventors from the Russian Empire
  • Moscow State University alumni
  • People from Sobinsky District

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