What does the term "thermal expansion" refer to in industrial contexts?

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The term "thermal expansion" specifically refers to the phenomenon where materials expand in volume as their temperature increases. This process occurs because, at higher temperatures, the particles within a material have more energy, causing them to move apart and occupy more space. In industrial contexts, understanding thermal expansion is crucial for designing structures, machinery, and systems that account for these changes.

For instance, engineers must consider thermal expansion when designing pipelines, bridges, and other structures to prevent damage that can occur due to expansion and contraction with temperature fluctuations. This knowledge helps ensure the longevity and safety of various systems and components that experience temperature variations in their operational environments.

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