science

Thermoplan

Thermoplan 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 Thermoplan rather than just read about it. In short: The Thermoplan is a given name of the prototype of Russian lenticular-shaped hybrid airship. Design features The key feature of Thermoplan is its combined structure with primary section having a torus of revolution shape (one variant was to construct this section hermetic and fill with helium instead of the shell helium section).

Key takeaways

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

Reference excerpt

The Thermoplan is a given name of the prototype of Russian lenticular-shaped hybrid airship.

Design features The key feature of Thermoplan is its combined structure with primary section having a torus of revolution shape (one variant was to construct this section hermetic and fill with helium instead of the shell helium section). This section supports the shell which has two sections one filled with helium and second with air that can be heated by the airship engines exhaust gas or cooled naturally. This design, based on the concept of a "rozière", greatly improves the manoeuvrability compared to an all-helium type. The disc shape is also intended to improve manoeuvrability and to help resist winds up to 20 m/s (45 mph; 39 kn; 72 km/h). Shell volume was 10660 cu. m. (376 450 cu. ft.) with its diameter of 40 m. The prototype had 2 Klimov GTD-350 engines (with 400 h.p. each), 1 Vedeneyev M14P motor (360 h.p.) and 2 electric power unit for vertical propulsion (50 h.p. each). Flight crew was 2 pilots.

Project history

The project was started in the late 1970s in the Moscow Aviation Institute by a small team of students led by Yury Ishkov under scientific direction of Sergey Eger. In the second half of 1980s with a help of then MAI rector Yuri Ryzhov they obtained support from Gazprom for the start-up Design Bureau "Thermpolan" and first scaled prototype ALA-40 was constructed at the Ulyanovsk Aviation Production Complex and rolled-out in 1992. That was a rather small airship, and a full-scale model was not built at that time due to the economic crisis of the 1990s in the USSR. In the late 2000s there was an attempt to revive this project under the new name Locomoskyner by the Russian company Lokomosky in Ulyanovsk. However, this was not successful and the programme was cancelled.

Worked examples

Example 1 — a first encounter with Thermoplan

Start with the simplest possible case. Write down what Thermoplan 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 Thermoplan 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 Thermoplan 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 Thermoplan

In research: Thermoplan 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 Thermoplan 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: Thermoplan is common in secondary-school and first-year university syllabi. It links to neighbouring topics Airships of Russia, Aviation technology demonstrations, Experimental aircraft, so understanding it makes those chapters shorter.
In everyday life: Look for Thermoplan 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 Thermoplan in 20 minutes

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

Frequently asked questions

What is Thermoplan in simple terms?

The Thermoplan is a given name of the prototype of Russian lenticular-shaped hybrid airship. Design features The key feature of Thermoplan is its combined structure with primary section having a torus of revolution shape (one variant was to construct this section hermetic and fill with helium inste…

Why does Thermoplan 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 Thermoplan?

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 Thermoplan.