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Application of Air Pressure in Daily Life
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Application of air pressure in daily life
Air Pressure
Air pressure is the weight of air. Air is a gas and takes up space and has mass
Air pressure, also known as atmospheric pressure, refers to the weight of the Earth's atmosphere pressing down oneverything at the surface. The pressure exerted by the weight of the air above it at any point on the earth's surface. Atsea level the atmosphere will support a column of mercury about 760 mm high. This decreases with increasingaltitude. The standard value for the atmospheric pressure at sea level in SI units is 101 325 pascals.Basically, this means hundreds of pounds of pressure are pressing at you from all sides and at all times. We are able tosurvive this pressure because our bodies (and all life) evolved in an environment where it is omnipresent. If the pressure is increased or decreased too much, we perish.Atmospheric pressure varies slightly over the Earth's surface, and variations in pressure are responsible for theweather that we are so familiar with. Low pressure are associated with storms, tornadoes, and hurricanes. Sometimesthe air pressure at sea level can drop as low as 870 millibars, 85% of average air pressure. This only happens duringthe most severe storms. Pressure variations on the Earth surface cause wind: high pressure areas have a tendency toseek out low pressure areas, causing gusts.On the top of Mt. Everest, the tallest mountain on Earth, the air pressure is just about a third of what it is at sea level.At 16 km (10 mi), slightly higher than the cruising altitude of a typical jet liner, pressure is only 1/10th what it is at air level. Because low air pressure can be very unpleasant for humans (due to an absence of oxygen
), all areas of aircraft that contain passengers are artificially pressurized. At 31 km (19 mi) above the Earth's surface, in thestratosphere, theair pressure is only 1/100th what it is at sea level. From this level on, the atmosphere quickly deteriorates intonothingness. Above 100 km (62 mi), the international definition for outer space, the air pressure approaches zero.Application of air pressure in daily life With applications ranging from electronic wallets to information appliances,implanted adaptive insulin pumps, smart automobile air-bag systems, and wireless wrist communicators, embeddedcomputer systems have immense potential to change our daily routines. Ian Harris' research group explores cost-critical and life-critical applications, including automotive design and sensor-based medical devices.-- inflating tires-- playing musical "wind" instruments-- drinking through straws-- flushing toilets-- watering lawns with hose or sprinkler -- drawing water from wells-- blowing up balloons-- operating barometers-- maintaining body shape, especially around the abdomen-- breathing
Application of air pressure in daily life DefinitionHumidity - Humidity is the amount of water vapour in the air. In daily language the term 'humidity' is normally takento mean relative humidity. Relative humidity is defined as the ratio of the partial pressure of water vapour in a parcelof air to the saturated vapour pressure of water vapour at..Plastic pressure pipe systems - Plastic pressure pipe systems are used for the conveyance of drinking water, wastewater, chemicals, heating and cooling fluids, foodstuffs, ultra-pure liquids, slurries, gases, compressed air and vacuumsystem applications, both for above and below ground applications. Plastic pressure pipes.
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Application of Air Pressure in Daily Life
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Application of air pressure in daily life
Air Pressure
Air pressure is the weight of air. Air is a gas and takes up space and has mass
Air pressure, also known as atmospheric pressure, refers to the weight of the Earth's atmosphere pressing down oneverything at the surface. The pressure exerted by the weight of the air above it at any point on the earth's surface. Atsea level the atmosphere will support a column of mercury about 760 mm high. This decreases with increasingaltitude. The standard value for the atmospheric pressure at sea level in SI units is 101 325 pascals.Basically, this means hundreds of pounds of pressure are pressing at you from all sides and at all times. We are able tosurvive this pressure because our bodies (and all life) evolved in an environment where it is omnipresent. If the pressure is increased or decreased too much, we perish.Atmospheric pressure varies slightly over the Earth's surface, and variations in pressure are responsible for theweather that we are so familiar with. Low pressure are associated with storms, tornadoes, and hurricanes. Sometimesthe air pressure at sea level can drop as low as 870 millibars, 85% of average air pressure. This only happens duringthe most severe storms. Pressure variations on the Earth surface cause wind: high pressure areas have a tendency toseek out low pressure areas, causing gusts.On the top of Mt. Everest, the tallest mountain on Earth, the air pressure is just about a third of what it is at sea level.At 16 km (10 mi), slightly higher than the cruising altitude of a typical jet liner, pressure is only 1/10th what it is at air level. Because low air pressure can be very unpleasant for humans (due to an absence of oxygen
), all areas of aircraft that contain passengers are artificially pressurized. At 31 km (19 mi) above the Earth's surface, in thestratosphere, theair pressure is only 1/100th what it is at sea level. From this level on, the atmosphere quickly deteriorates intonothingness. Above 100 km (62 mi), the international definition for outer space, the air pressure approaches zero.Application of air pressure in daily life With applications ranging from electronic wallets to information appliances,implanted adaptive insulin pumps, smart automobile air-bag systems, and wireless wrist communicators, embeddedcomputer systems have immense potential to change our daily routines. Ian Harris' research group explores cost-critical and life-critical applications, including automotive design and sensor-based medical devices.-- inflating tires-- playing musical "wind" instruments-- drinking through straws-- flushing toilets-- watering lawns with hose or sprinkler -- drawing water from wells-- blowing up balloons-- operating barometers-- maintaining body shape, especially around the abdomen-- breathing
Application of air pressure in daily life DefinitionHumidity - Humidity is the amount of water vapour in the air. In daily language the term 'humidity' is normally takento mean relative humidity. Relative humidity is defined as the ratio of the partial pressure of water vapour in a parcelof air to the saturated vapour pressure of water vapour at..Plastic pressure pipe systems - Plastic pressure pipe systems are used for the conveyance of drinking water, wastewater, chemicals, heating and cooling fluids, foodstuffs, ultra-pure liquids, slurries, gases, compressed air and vacuumsystem applications, both for above and below ground applications. Plastic pressure pipes.
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