What is the relationship between tire pressure and temperature?

Temperature has a great influence on tire pressure. After exposure, the tire pressure is very high, so it is necessary to drive to cool down. After long-term high-speed driving, the tire temperature will rise. The higher the temperature, the lower the air pressure, which is compared with the surrounding areas with the same height. Not in the vertical direction, but in the vertical direction, the temperature and pressure near the ground are high, and the temperature and pressure decrease with the increase of height.

For example, when the place near the ground is heated, the air expands and rises, forming a low pressure near the ground, the surrounding temperature is low, and the air sinks to form a high pressure. Here, high pressure and low pressure refer to the same horizontal plane.

Extended data:

Precautions:

1, when the tire brakes suddenly and starts suddenly, it is easy to cause local excessive wear, which will make some parts of the tire smooth quickly in the long run and shorten the service life of the tire. In addition to uneven wear, even in normal use, when the crown pattern is worn to a certain extent, it is necessary to replace the tire in time.

2. Tread pattern is the most serious part of tire wear. Once polished, it is impossible to prevent the tire from slipping. So there are more than four wear marks in the groove of each tire. When the pattern wear exceeds the wear trace, the tire must be replaced, otherwise it will easily cause the vehicle to slide sideways during driving and pose a great threat to the driver's personal safety.

3. Pay attention to protecting the sidewall when driving at ordinary times, especially when parking. Don't let the sidewall collide or rub against the curb, otherwise the rubber on the sidewall may be scraped off, and even the cord layer inside will be squeezed out, causing the sidewall to bulge.

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