astronomy

Maurice Couette

Maurice Couette 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 Maurice Couette rather than just read about it. In short: Maurice Marie Alfred Couette (9 January 1858 in Tours – 18 August 1943 in Angers) was a French physicist known for his studies of fluidity. Couette is best known for his contributions to rheology and the theory of fluid flow.

Key takeaways

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

Reference excerpt

Maurice Marie Alfred Couette (9 January 1858 in Tours – 18 August 1943 in Angers) was a French physicist known for his studies of fluidity. Couette is best known for his contributions to rheology and the theory of fluid flow. He designed a concentric cylinder viscometer that he used to accurately measure the viscosity of fluids. The laminar flow observed in the gap between the two cylinders is known as Couette flow. He studied the boundary conditions of a fluid and showed that the "no slip" condition was satisfied for the fluids and wall materials tested.

Early life and career Couette was born in Tours, France, as the only child of Alfred Ernest Couette, a cloth merchant. Finishing his education with the Frères des Écoles Chrétiennes he obtained a baccalauréat in humanities and in science, both in 1874, as well as bachelor's degrees in mathematics and physical science (delivered by the Faculté de Science in Poitiers) in 1877 and 1879 respectively. Following a short spell as a lecturer in Angers, he joined the 12th Artillery Regiment at Vincennes for one year of voluntary military service. In 1881 he settled in Paris and enrolled in the Sorbonne, studying physical science in preparation for the agrégation, a French teaching diploma. Couette later taught in Arcueil and the École Sainte-Geneviève in Paris. At the Sorbonne he studied under Joseph Boussinesq and from 1887 onwards worked at the Physics Research Laboratory under Gabriel Lippmann( who would later receive the Nobel Prize in Physics). Couette also took his doctoral degree on the friction of liquids ("Studies on the Friction of Liquids", Etude sur le frottement des liquides, Gauthiers-Villars 1890). Soon afterwards he was given a professorship of physics at the Catholic University of Angers (now known as Université Catholique de l'Ouest) as well as other teaching commitments such as at the Free Faculty of Science, the School of Agriculture and several secondary schools in Angers. Couette was a member of the French Physics Society and retired in 1933.

Accolades Since 1993, the Prix Maurice Couette is awarded by the Groupe français de Rhéologie.

Personal life In 1886, Maurice Couette married Jeanne Jenny, who gave birth to eight children, five of whom reached adulthood.

External links

The GFR's Maurice Couette Prize Information on the Maurice Couette Award (French)

Worked examples

Example 1 — a first encounter with Maurice Couette

Start with the simplest possible case. Write down what Maurice Couette 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 Maurice Couette 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 Maurice Couette 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 Maurice Couette

In research: Maurice Couette 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 Maurice Couette 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: Maurice Couette is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1858 births, 1943 deaths, Academic staff of the Catholic University of the West, so understanding it makes those chapters shorter.
In everyday life: Look for Maurice Couette 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Maurice Couette” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Maurice Couette in 20 minutes

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

Frequently asked questions

What is Maurice Couette in simple terms?

Why does Maurice Couette 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 Maurice Couette?

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 Maurice Couette.