Colorful Comfort Grip Round Amp Telescopic Tube

Connecting telescopic pipes or bellows to pipelines with large temperature changes is a protective measure. As a solid body expands with heat and contracts with cold, although the amount of change in length is not large, it has a huge force on objects that prevent it from deforming. For example, a steel bar with a cross-sectional area of 1 cm2 and a length of 1 meter, when the temperature rises by 40°C, the elongation is only about 0.0005 meters. If it is not allowed to stretch, it will exert a force of 104 Newtons on the object that restricts it. The larger the cross-sectional area, the greater the force. Therefore, in engineering technology, the force generated by thermal expansion should be considered in advance and necessary measures should be taken. For example, a steel bridge must have one end mounted on a movable support so that the bridge can expand and contract freely. Another example is that when laying railroad tracks, there is room for expansion in sections.

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