science

Østerild Wind Turbine Test Field

Østerild Wind Turbine Test Field is a science 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 Østerild Wind Turbine Test Field rather than just read about it. In short: Østerild Wind Turbine Test Field (alternatively Risø) is a facility managed by the DTU Risø Campus of the Technical University of Denmark (DTU) for testing of offshore wind turbines with a pinnacle height up to 330 metres (1,080 ft) near Thisted-Østerild, Denmark. History The area was plagued by flying sand from about 1450, and a plantation was started from 1889 to keep the sand in check.

Key takeaways

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

Reference excerpt

Østerild Wind Turbine Test Field (alternatively Risø) is a facility managed by the DTU Risø Campus of the Technical University of Denmark (DTU) for testing of offshore wind turbines with a pinnacle height up to 330 metres (1,080 ft) near Thisted-Østerild, Denmark.

History The area was plagued by flying sand from about 1450, and a plantation was started from 1889 to keep the sand in check. The international IEC 61400 standard specifies how to design and validate wind turbines to gain commercial value. A suitable area for testing wind turbines must have good wind, a specific surface roughness, a clear area around the site, and not be in an EU Special Protection Area. After investigating 17 areas and drawing criticism, the Folketing decided in June 2010 to establish a wind turbine test center at Østerild. It was inaugurated in 2012, and is popular among tourists. A visitor center opened in 2017, and had 50,000 visitors in 2020. There is a 50 kW charging station. The current turbines reached a height of 240 metres in 2020; the Danish wind industry would like a new site capable of turbines up to 400 metres to be developed; at the end of 2024 Siemens Gamesa had a 170-metre tower built intended for a 21MW prototype under the HIPPOW project of the EC Innovation Fund New ponds and open areas have improved conditions for bats. The first sea eagles came to the area in 2015.

Description There are 9 test stands, and each test stand has its own meteorological mast due west. Some stands were not yet put in use in 2015. In 2016, the wind turbine industry requested more stands to fulfill future test requirements. The turbines are not permanent, but spend some months in test at the site before being replaced by the next turbines. At the northern and the southern end of the test field, there are two 250-metre-tall (820 ft) guyed masts equipped with lamps to warn aircraft. The masts are situated at 57.087056°N 8.880673°E / 57.087056; 8.880673 (Østerild Wind Turbine Test Field Lighting Mast North) and at 57.048882°N 8.880799°E / 57.048882; 8.880799 (Østerild Wind Turbine Test Field Lighting Mast South).

List of sites Test sites as of December 2015 :

Gallery

Illustrations

Worked examples

Example 1 — a first encounter with Østerild Wind Turbine Test Field

Start with the simplest possible case. Write down what Østerild Wind Turbine Test Field claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Østerild Wind Turbine Test Field 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 Østerild Wind Turbine Test Field 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 Østerild Wind Turbine Test Field

In research: Østerild Wind Turbine Test Field appears in science 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 Østerild Wind Turbine Test Field 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: Østerild Wind Turbine Test Field is common in secondary-school and first-year university syllabi. It links to neighbouring topics Wind farms in Denmark, Wind turbines, so understanding it makes those chapters shorter.
In everyday life: Look for Østerild Wind Turbine Test Field 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 Østerild Wind Turbine Test Field in 20 minutes

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

Frequently asked questions

What is Østerild Wind Turbine Test Field in simple terms?

Why does Østerild Wind Turbine Test Field matter?

Because it connects several science 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 Østerild Wind Turbine Test Field?

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 Østerild Wind Turbine Test Field.