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13y ago

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What is absolute pressure?

Absolute pressure is simply the addition of the observed gage pressure plus the value of the local atmospheric pressure.


What is the formula for absolute pressure?

but i think the absolute pressure is P(pressure)/{p(density)*g(gravity)}


What is the absolute pressure of -0.2 bar?

Absolute pressure is calculated by adding atmospheric pressure to the gauge pressure. Standard atmospheric pressure is approximately 1.01325 bar, so for a gauge pressure of -0.2 bar, the absolute pressure would be 1.01325 bar - 0.2 bar, which equals approximately 0.81325 bar. Therefore, the absolute pressure is about 0.813 bar.


Why absolute pressure is always positive?

Absolute pressure is always positive because it measures pressure relative to a perfect vacuum, which is defined as having zero pressure. Since absolute pressure accounts for all atmospheric and additional pressure above this vacuum level, it cannot fall below zero. Consequently, even in a vacuum, absolute pressure is defined as zero, ensuring that any measurement of absolute pressure is either zero or a positive value.


Gauge pressure and absolute pressure?

Gauge pressure is what you get when you take the reading from your tire pressure gauge. Absolute pressure is the pressure inside your tires plus the atmospheric pressure, which is roughly; 14.7 psi, 101.3 kPa (kilo-Pascals), or one atmosphere. Absolute pressure measures all of the pressure on your tires, inside and out, whereas gauge simply measures the pressure inside the tire.