Sponsored Topics. Lawrenceburg is a city in Lawrence County, Tennessee, United States. The population was 10,796 at the 2000 census. It is the county seat of Lawrence County. Lawrenceburg is southwest of Nashville and named after James Lawrence.
vacuum pressure = absolute pressure inside the vessel - absolute pressure outside the vessel, when the outside is greater than the inside. Vacuum pressure is the amount of pressure that inside the container is less than outside. Since the damage is done by a difference of pressure, the vacuum pressure means that the force is pointing to inside the container. But because the hard vacuum at 0 psi, and the outside is 14.7 psi, the vacuum can not be greater than 14.7 psi.
Absolute Pressure, Gage Pressure, and Vacuum. In a region such as outer space, which is virtually void of gases, the pressure is essentially zero. Such a condition can be approached very nearly in a laboratory when a vacuum pump is used to evacuate a bottle. The pressure in a vacuum is called absolute zero, and all pressures refernced with respect to this zero pressure are termed absolute pressures. Many pressure-measuring devices measure not absolute pressure but only difference in pressure.