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

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16y ago

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What is the formula for finding pressure?

I suppose you mean the formula for the variation in pressure. The simplest expression of this is, at a fixed temperature,and for a given mass of gas, pressure x volume = constant. This is known as Boyle's Law. If the temperature is changing, then we get two relations: 1. If the pressure is fixed, volume = constant x temperature (absolute) 2. If the volume is fixed, pressure = constant x temperature (absolute) These can be combined into the ideal gas equation Pressure x Volume = constant x Temperature (absolute), or PV = RT where R = the molar gas constant. (Absolute temperature means degrees kelvin, where zero is -273 celsius)


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 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.


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.


What is absolute pressure at 30psi?

423n/m2

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Is absolute pressure static pressure?

Yes, absolute pressure is the pressure measured with respect to a vacuum, while static pressure is the pressure exerted by a fluid due to its motion or position. While they are related, they are not the same as static pressure does not take into account the atmospheric pressure.


What is the formula for finding pressure?

I suppose you mean the formula for the variation in pressure. The simplest expression of this is, at a fixed temperature,and for a given mass of gas, pressure x volume = constant. This is known as Boyle's Law. If the temperature is changing, then we get two relations: 1. If the pressure is fixed, volume = constant x temperature (absolute) 2. If the volume is fixed, pressure = constant x temperature (absolute) These can be combined into the ideal gas equation Pressure x Volume = constant x Temperature (absolute), or PV = RT where R = the molar gas constant. (Absolute temperature means degrees kelvin, where zero is -273 celsius)


Is gauge pressure larger, smaller, or the same as absolute pressure?

Gauge pressure is smaller than absolute pressure.


Abbreviation for manifold absolute pressure?

The Abbreviation for Manifold Absolute pressure is MAP.


What is absolute pressure?

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


Is gauge pressure the same as absolute pressure?

No, gauge pressure is the pressure measured relative to atmospheric pressure, while absolute pressure is the total pressure including atmospheric pressure.


Zero gauge pressure equals what pressure on the absolute pressure scale?

Zero (0) gauge pressure equals 14.696 PSI on the absolute scale. A lot of people will round up to 14.7 PSI for simplicity. 14.696 PSI is the pressure that is developed at sea level due to the weight of our atmosphere. The absolute pressure scale is based on zero being a perfect vacuum. Gauge pressure takes into account the atmospheric pressure at sea level (14.696 PSI). A simple conversion formula is PSIG+14.696=PSIA.


What is a no change formula?

A formula with absolute references.


What is the difference between gage pressure and absolute pressure?

Gage pressure is the pressure measured relative to atmospheric pressure, while absolute pressure is the total pressure including atmospheric pressure.


How do you calculate the gage pressure of a system?

To calculate the gauge pressure of a system, subtract the atmospheric pressure from the absolute pressure of the system. Gauge pressure Absolute pressure - Atmospheric pressure.