astronomy

Theodor Rehbock

Theodor Rehbock 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 Theodor Rehbock rather than just read about it. In short: Theodor Christoph Heinrich Rehbock (12 April 1864 in Amsterdam – 17 August 1950 in Baden-Baden) was a German hydraulics engineer, and professor at the University of Karlsruhe. Theodor Rehbock's father was an overseas merchant.

Key takeaways

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

Reference excerpt

Theodor Christoph Heinrich Rehbock (12 April 1864 in Amsterdam – 17 August 1950 in Baden-Baden) was a German hydraulics engineer, and professor at the University of Karlsruhe. Theodor Rehbock's father was an overseas merchant. Rehbock studied at the Technische Hochschule München (now Technical University of Munich) and the Technische Hochschule Charlottenburg (now Technische Universität Berlin) during 1884–90, receiving his degree in 1892. Rehbock performed studies on water supply and hydraulic engineering in many countries. Further, he built a hydroelectric power station in the Murg river in Baden. In 1899, Rehbock became professor of hydraulics at the University of Karlsruhe. Where he started a hydraulics laboratory, in 1901, of which he was the director until 1934. The hydraulics aspects of most large projects in Germany – as well as in many other countries in the world – were tested here. For instance the Afsluitdijk for the separation of the Zuiderzee (Dutch for South Sea) from the Wadden Sea in the Netherlands. After his retirement, the laboratory has been named the "Theodor Rehbock Laboratory". Rehbock was rector (university president) of the University of Karlsruhe three times: in 1907–08, 1917–18 and 1925–26. In 1935, an initiative of Theodor Rehbock, Wolmar Fellenius and Rudolf Seifert lead to the establishment of the International Association for Hydro-Environment Engineering and Research (IAHR). In 1901 Rehbock married Margarete Küster. She gave birth to four sons and one daughter.

Honours Rehbock weir – a device to accurately measure the discharge in open channel flows. Rehbock dentated sill – for kinetic energy dissipation at the end of a stilling basin, into which the spillway of a large dam ends. This, in order to prevent or reduce scour. Theodor Rehbock Medal – of the Deutsche Vereinigung für Wasserwirtschaft, Abwasser und Abfall (DWA; German Association for Water, Wastewater and Waste), to honour members who made outstanding innovations within the fields covered by the association. This award has been established in 2007. Honorary doctorates from the Technical University of Munich and the Palatine Joseph University of Technology and Economics in Budapest. Honorary member of the Dutch Royal Institution of Engineers (KIvI) in The Hague. A street in Karlsruhe has been named after him.

Notes

References Ettema, R. (2000), Hydraulic modeling concepts and practice, ASCE, p. 16, ISBN 978-0-7844-0415-7 Vierhaus, Rudolf, ed. (2007), Deutsche Biographische Enzyklopädie (in German), vol. 8 (2nd ed.), K. G. Saur, p. 247, ISBN 978-3-598-25038-5 Hofmann, Karl-Heinz (2003), "Rehbock, Theodor", Neue Deutsche Biographie (in German), vol. 21, Berlin: Duncker & Humblot, pp. 278–279, ISBN 3-428-00181-8 Larsen, Peter, Rehbock, Theodor (in German), Landeskunde entdecken online – Baden-Württemberg, retrieved 2013-03-06

External links

"Institut für Wasser und Gewässerentwicklung, Bereich Wasserwirtschaft und Kulturtechnik" with the Theodor Rehbock Wasserbaulaboratorium (Theodor Rehbock Hydraulics Laboratory) at the University of Karlsruhe (in German) Theodor Rehbock in the German National Library catalogue

Illustrations

Worked examples

Example 1 — a first encounter with Theodor Rehbock

Start with the simplest possible case. Write down what Theodor Rehbock 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 Theodor Rehbock 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 Theodor Rehbock 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 Theodor Rehbock

In research: Theodor Rehbock 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 Theodor Rehbock 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: Theodor Rehbock is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1864 births, 1950 deaths, Dutch emigrants to Germany, so understanding it makes those chapters shorter.
In everyday life: Look for Theodor Rehbock 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 Theodor Rehbock in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Theodor Rehbock 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 Theodor Rehbock out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Theodor Rehbock in simple terms?

Why does Theodor Rehbock 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 Theodor Rehbock?

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 Theodor Rehbock.