Air pressure definition is - pressure exerted by air:. Meaning of high pressure. The numbers on this dial measure air pressure. Barometer. L. barometer. High Pressure Air Cooled Pressure Lubricated Compressors (Two Stage) Pressure Lubricated units can operate in conditions where day-to-day service is not available i.e., remote locations, off level operations such as off the road equipment. A barometer is a machine for measuring air pressure. That pressure is called atmospheric pressure, or air pressure.It is the force exerted on a surface by the air above it as gravity pulls it to Earth. A high pressure system is represented as a big, blue H. Again, the peak air-pressure is very similar to that for the voiceless plosive in example 1. The word pressure system is a common term in meteorological reports, and in the news and often indicates that something is out of place. Synonyms and related words +-Physical forces and processes. This is what is called a high pressure system and it is associated with favorable weather. Find more ways to say high-pressure, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Dial. Most people chose this as the best definition of high-pressure: Of or relating to pressur... See the dictionary meaning, pronunciation, and sentence examples. This is the British English definition of pressure.View American English definition of pressure. humid/ moist air is less dense- low air pressure, dry air has high density- high air pressure. The difference is the air's pressure and density. Definition of high pressure in the Definitions.net dictionary. Sea level air pressure. The second stage compressor in a dual spool gas turbine engine. The most familiar ways to define air pressure are either in inches of mercury supported, or mm of mercury (used for blood pressure), or force per unit area. 13 people chose this as the best definition of air-pressure: The definition of air pre... See the dictionary meaning, pronunciation, and sentence examples. Scientists use the term one atmosphere to describe the pressure at sea level. The air around you has weight, and it presses against everything it touches. In an anticyclone (high pressure) the winds tend to be light and blow in a clockwise direction (in the northern hemisphere). At high altitudes, there's less pressure. This relieves some of the pressure the air is putting on the surface, therefore resulting in an area of low pressure. The opposite occurs with high pressure. It is a sealed box with a spring inside. Atmospheric pressure is commonly measured with a barometer.In a barometer, a column of mercury in a glass tube rises or falls as the weight of the atmosphere changes. In this series, it tells us how the air pressure work in our environment. Barometric pressure, an indicator of the weight of column of air, ranges from an historic high of 32.01 inches to an all-time low of 25.9 inches. What is Air Pressure. Changes in the barometric pressure can help scientists observe and predict weather. On English-language weather maps, high-pressure centers are identified by the letter H in English, within the isobar with the highest pressure value. On the other hand air shrinks due to low temperature because of which its density increases which creates high pressure. The following image shows one of the definitions of HPA in English: High Pressure Air. Great for harsh industrial applications. Although these two physical variables may at first glance appear to be quite different, they are in fact closely related. At first glance, air appears to have no power. "Bulkhead"-An airtight structure separating the working chamber from free air or from another chamber under a lesser pressure than the working pressure. HPA = High Pressure Air Looking for general definition of HPA? Low pressure often signals that rain and storms are coming, while high pressure often means sunny days and calm weather. Information and translations of high pressure in the most comprehensive dictionary definitions resource on the web. Common examples of units in a barometric pressure definition are PSI, pounds per square inch, and Pascals, which are Newtons per square metre. The relation between air pressure and temperature is defined with following quote- “When the mercury of thermometer rises, mercury of barometer falls”. Climate - Climate - Atmospheric pressure and wind: Atmospheric pressure and wind are both significant controlling factors of Earth’s weather and climate. A Newton is roughly a quarter of a pound. The key difference between low and high pressure systems is that low pressure systems are regions in the atmosphere where the air is rising, while high pressure systems are regions in the atmosphere where the air is descending.. Static pressure is defined as “the pressure exerted by a still liquid or gas, especially water or air” This is the difference in pressure either across an element in the system, for example a carbon filter or a heating coil, or between the inside of the system and the outside atmosphere. In general, low pressure leads to unsettled weather conditions and high pressure leads to settled weather conditions. That means less air is pushing into your lungs, and less oxygen is going through your bloodstream. Atmospheric pressure, also known as barometric pressure (after the barometer), is the pressure within the atmosphere of Earth.The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa; 1,013.25 mbar), which is equivalent to 760 mm Hg, 29.9212 inches Hg, or 14.696 psi. aneroid barometer & mercury barometer. Air is moving away from the high pressure center at the surface (or “diverging”) so as a result, air from above must sink to take its place. The greatest air pressure pressing down on our bodies is at sea level. H & L. These are on a weather map. Max 250 PSI Operation; 1 1/2 to 30 HP Units available Normal pressure at sea level is 14.7 psi (pounds per square inch). H. high pressure- fair/clear weather. Air pressure will change rapidly with a change in altitude. High pressure definition: atmospheric pressure that is higher than normal | Meaning, pronunciation, translations and examples Conversely, a low pressure system is created when the air moves anticlockwise and towards the center. absorbance. Multi-stage air-cooled medium and high-pressure piston compressors – For the compression of air, nitrogen, helium, argon, natural gas and gas mixtures This powerful air-cooled compressor series has been designed for a wide variety of applications in industrial environments under normal to difficult ambient conditions. We are proud to list acronym of HPA in the largest database of abbreviations and acronyms. Electronic barometers now are available in addition to older-style units that use a needle and dial to track pressure changes. High airflow fans simply push as much air as possible, while static pressure fans are specifically designed to tackle installations with heightened impedance and resistance. Used in a wide range of industries, high-pressure air compressor solutions are used in applications that require consistently high pressure and additional pounds per square inch (psi) — generally around 650 psi or higher — to complete certain tasks. The air above the center is forced to flow downward and outward to occupy this space. Another word for high-pressure. The HPA means High Pressure Air. The surface flow is accompanied by the opposite behavior at upper levels of the atmosphere, as depicted in this schematic diagram: In fact, rising air is one of the key features associated with low pressure areas. H stands for high such as heat and that is the definition edit by 2797jake: I believe it means a high pressure area and L for a low pressure area. Air pressure definition: the force of air pressing down on an area | Meaning, pronunciation, translations and examples air resistance. High pressure systems are “domes of density” that press down, while low pressure systems are akin to “atmospheric valleys” where the density of the air is less. When the air warms, the molecules fly further apart; the air becomes lighter and rises, creating low pressure. As air cools it descends, leading to high pressure at the surface. the air-pressure has risen to about 4cmH2O (at about 0.225s on the time axis) and then becomes weaker when the pressure drops at the end (at about 0.4s on the time axis). Equatorial regions have low pressure because of high temperatures. When viewed from above, winds spiral out of a high-pressure center in a clockwise rotation in the Northern Hemisphere. High-pressure systems are alternatively referred to as anticyclones. The air pressure is a function of how much air is pressing over an area. The needle points to numbers on the dial, which show air pressure. As it flows to the center, pressure accumulates, forcing air to rise. Normal pressure at sea level measures 29.9213 inches (760 mm) on barometers. an instrument used to measure air pressure. It is called an N 2 compressor.A high-pressure compressor is the only one rotated by the starting system of an aircraft. 2 kinds of barometers. On constant pressure upper level charts, it is … Because of this rapid change with altitude, reported pressure is usually adjusted to sea level. What does high pressure mean? These bring sunny skies. The opposite is true for high pressure where sinking air adds pressure by forcing more and more air … A high pressure system is a whirling mass of cool, dry air that generally brings fair weather and light winds. Why It Matters. How to use air pressure in a sentence. The air now presses on the Earth’s surface, creating high pressure. high / low pressure (= of the air in the atmosphere): an area of high pressure over the Atlantic. 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