see this link and interpolate using proportions: http://www.geospectra.net/kite/weather/h_altit.htm
water for example.absolute pressure; gauge pressure; atmospheric pressure
The atmospheric pressure is lower. When you are boiling the water, the water's vapour saturation pressure is able to match the atmospheric pressure faster therefore it boils faster and at a lower temperature.
The atmospheric pressure at sea level is typically around 760 mmHg. As you increase in altitude above sea level, the atmospheric pressure decreases. For example, at 5,000 feet above sea level, the atmospheric pressure may be around 625 mmHg.
At an altitude of 30,000 feet, the atmospheric pressure is significantly lower than at sea level, typically around 4.3 pounds per square inch (psi) or approximately 29.3 inches of mercury (inHg). This equates to about 0.14 times the standard atmospheric pressure at sea level, which is 1013.25 hPa. The decrease in pressure is due to the thinning of the atmosphere as altitude increases.
At 10,000 feet above sea level, the atmospheric pressure is approximately 528 torr. This is lower than the standard atmospheric pressure at sea level, which is 760 torr.
Yes, gauge pressure includes atmospheric pressure. Gauge pressure is the pressure measured above atmospheric pressure, so it accounts for the atmospheric pressure as a reference point.
Gauge pressure is the pressure measured relative to atmospheric pressure, while atmospheric pressure is the pressure exerted by the Earth's atmosphere on a surface. Gauge pressure accounts for atmospheric pressure, while atmospheric pressure is the total pressure exerted by the atmosphere.
53 feet = 16.154 4 meterthe water pressure at 16.154 4 meters = 1.61544 bars + 1 bar of atmospheric pressure makes the absolute pressure = 2.62 bars.
Atmospheric pressure
At 8,000 feet altitude, atmospheric pressure is lower than at sea level. Standard atmospheric pressure at sea level is about 14.7 psi, and at 8,000 feet, it typically drops to approximately 11.2 psi. This reduction in pressure is due to the decrease in the density of air as elevation increases.
The atmospheric pressure at the bottom of the Grand Canyon is approximately 90 kPa (kilopascals), which is slightly lower than the standard atmospheric pressure at sea level (about 101.3 kPa). This decrease in pressure is primarily due to the elevation of the Grand Canyon, which is about 1,200 meters (around 4,000 feet) above sea level. As altitude increases, the atmospheric pressure decreases, resulting in the lower pressure observed at the canyon's depth.
The pressure at a given height above ground can vary depending on several factors, including atmospheric conditions. However, at sea level, atmospheric pressure decreases by approximately 0.5 psi for every 1,000 feet of elevation. Therefore, at 24 inches (2 feet) above ground, the change in pressure is negligible, and it remains very close to the standard atmospheric pressure of about 14.7 psi.