science

Pneumatic fracturing

Pneumatic fracturing 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 Pneumatic fracturing rather than just read about it. In short: Pneumatic fracturing is a method that has become very popular in the last ten years used to remediate contaminated sites. The method consists of injecting gas into a contaminated subsurface at a pressure higher than that of the gases that are present.

Key takeaways

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

Reference excerpt

Pneumatic fracturing is a method that has become very popular in the last ten years used to remediate contaminated sites. The method consists of injecting gas into a contaminated subsurface at a pressure higher than that of the gases that are present. By doing this fractures "spider-web" throughout the subsurface so that pumps may be placed in the ground to suck out the contaminated water through these cracks. Substrates may also be injected into the soil through the cracks to further the remediation of the soil and ground water. The clean-up technique was developed and patented through the research of various professors at the New Jersey Institute of Technology in 1996 with hopes of cleaning up various United States Environmental Protection Agency (EPA) Superfund sites which are some of the most heavily contaminated sites in the country. The patent is held by John R. Schuring, PhD and PE, professor of civil and environmental engineering at the New Jersey Institute of Technology, developed in conjunction with Thomas M. Boland, Trevor C. King, Sean T. McGonigal, David S. Kosson, Conan D. Fitzgerald, and Sankar Venkatraman. This method has been adopted by environmental contractors all over the country since it has been patented.

References

Worked examples

Example 1 — a first encounter with Pneumatic fracturing

Start with the simplest possible case. Write down what Pneumatic fracturing 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 Pneumatic fracturing 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 Pneumatic fracturing 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 Pneumatic fracturing

In research: Pneumatic fracturing 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 Pneumatic fracturing 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: Pneumatic fracturing is common in secondary-school and first-year university syllabi. It links to neighbouring topics Pollution, Soil contamination, so understanding it makes those chapters shorter.
In everyday life: Look for Pneumatic fracturing 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 Pneumatic fracturing in 20 minutes

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

Frequently asked questions

What is Pneumatic fracturing in simple terms?

Why does Pneumatic fracturing 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 Pneumatic fracturing?

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 Pneumatic fracturing.