Causes of fluid leakage
Release time:
2024-04-25
When the nitrogen pressure in the container is 100Kgf / cm2(9.8MPa) and the outside of the container is at an atmospheric pressure of 0.098MPa, the gas molecules in the container will escape into the low pressure side atmosphere, which involves escaping the leakage gap of the gas container per unit length at the same time. molecules, it is assumed that molecules with close-packed linear formations escape simultaneously within a unit length, but molecules outside the unit length per unit length, molecules colliding into the leakage gap are smaller than molecules escaping outwards from the container., and conflict with the outside world. In the gap between the molecules leaking from the container, the molecules in the container still leak to the outside of the gap.
1. Causes of gas leakage
When the nitrogen pressure in the container is 100Kgf / cm2(9.8MPa) and the outside of the container is at an atmospheric pressure of 0.098MPa, the gas molecules in the container will escape into the low pressure side atmosphere, which involves escaping the leakage gap of the gas container per unit length at the same time. molecules, it is assumed that molecules with close-packed linear formations escape simultaneously within a unit length, but molecules outside the unit length per unit length, molecules colliding into the leakage gap are smaller than molecules escaping outwards from the container., and conflict with the outside world. In the gap between the molecules leaking from the container, the molecules in the container still leak to the outside of the gap.
2. Causes of liquid leakage
The leakage of liquid is caused by intermolecular repulsion, which causes the molecules at the inner edge of the sealing surface to wedge into and pass through the sealing surface; or the diameter between the sealing surfaces is larger than the diameter of the molecules and the gap with the outer edge, causing the molecules to squeeze out of the sealing surface under the action of the repulsive force. It can be illustrated by Figures 12-1 and 12-2. 12-1 is a graph of repelling extrusion, and FIG. 12-2 is an experimental graph of repelling extrusion magnets. Due to the pressure in the container, the distance of a must be less than 10-8cm, and the molecular force stretches to a = 10-8cm. Since the molecule is extremely large according to the diameter and volume of the container, the L size must be less than 10-8cm, that is, the performance is for the repulsive force, and the B molecule also exhibits the repulsive force, so the molecule A extrudes the sealing surface, and then B,C,D,E,F... continuously extrudes, and even the molecule in the container is stretched to 10-8cm, thereby forming a leak.
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