gas thermometer definition

The mercury manometer has a column partially filled with mercury that is connected to a flexible tube that has another partially filled column of mercury, called a reservoir, attached to the other end. What does gas thermometer mean? Constant volume gas thermometer - definition A constant volume gas thermometer contains a mass of gas enclosed in a bulb attached to a mercury manometer having a column partially filled with mercury that is connected to a flexible tube containing another partially filled column of mercury, known as reservoir, attached to the other end. One common apparatus is a constant volume thermometer. Interpolating gas thermometer 3.0 K - 24.5561 K Relation of pressure and temperature of constant volume of gas when use helium-4 and helium-3 as working fluid Platinum resistance thermometer 13.8033 K - 1234.93 K Liquid thermometers were once the most common type in use. A thermometer is a device that measures temperature or a temperature gradient. Constant-volume gas thermometers are used more often than constant-pressure. constant pressure gas thermometer. These examples are from corpora and from sources on the web. This type works best with very low temperatures. A thermometer has two important elements: (1) a temperature sensor (e.g. In such gas thermometers, gas temperature changes in the bottle are proportional to pressure changes. This definition explains the meaning of Liquid-in-Glass Thermometer and why it matters. a device for measuring temperature by observing the change in either pressure or volume of an enclosed gas. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. a device for measuring temperature by observing the change in either pressure or volume of an enclosed gas. How do you use gas thermometer in a sentence? Now that we have learned the principle of gas thermometers and understood what absolute zero is, let us learn about different kinds of gas thermometers. noun historical Physics . In a hot gas, the molecules move faster than in a cold gas; the mass remains the same, but the kinetic energy, and hence the temperature, is greater because of … Hydrogen, oxygen, nitrogen, and carbonic-acid gas-thermometers have been employed. Bläddra milions ord och fraser på alla språk. “Capital” vs. “Capitol”: Do You Know Where You’re Going? Farlex Partner Medical Dictionary © Farlex 2012. Meaning of gas thermometer. All Free. What does gas thermometer mean? https://encyclopedia2.thefreedictionary.com/Gas+Thermometer. See synonyms for gas thermometer. Based on WordNet 3.0, Farlex clipart collection. A gas thermometer measures temperature by the variation in volume or pressure of a gas. What does the South African term foefie slide mean?a 4. air thermometer. One junction is placed where the temperature is to be measured, and the other is kept at a constant lower temperature. Definition of gas thermometer : a thermometer containing gas (as hydrogen) as the enclosed thermometric substance, variations in temperature being indicated by the change in pressure of a fixed quantity of gas required to maintain the gas at a constant volume or the change in volume of a fixed quantity of gas maintained at a constant pressure Solid strips of different materials such as copper and aluminum can be made to stick together (bi-metallic strip). A measuring instrument is connected in the circuit. It consists of … If your language skills aren’t already top-notch, then this vocab quiz can get you up to speed! 1.2.2 Gas Thermometer Shown in Figure 1.1 is the gas thermometer which consists of a hollow spherical tank filled with helium and connected to an absolute pressure gauge. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. The significance of constant volume gas thermometers is that they are used to calibrate other thermometers. In this thermometer, volume increases directly with the increase in temperature. Bimetal (bimetallic) This is a mechanic type that works with a bimetal strip. Definition of Temperature | Doc Physics - Duration: 13:30. gas thermometer n a device for measuring temperature by observing the pressure of gas at a constant volume or the volume of a gas The change in pressure is used to indicate a change in temperature. Thermometer that measures temperature by changes in the pressure of a gas kept at constant volume (synset 103431195) hypernym : thermometer - measuring instrument for measuring temperature This type works best with very low temperatures. Meaning of gas thermometer. Its principle of operation is based on the dependence in an ideal gas of the pressure or volume on the temperature. What Does Amen Mean At The End Of A Prayer? Plots of volume vs. temperature (at constant pressure) and pressure vs. temperature (at constant volume) reflected the same conclusion - the volume and the pressure of a gas reduces to zero at a temperature of -273°C. Thermocouple, also called thermal junction, thermoelectric thermometer, or thermel, a temperature-measuring device consisting of two wires of different metals joined at each end. If we could use an ideal gas in our ideal-gas thermometer, we could be confident that we had a rigorous operational definition of temperature. Constant Volume Gas Thermometer The glass is then sealed off, resulting in a vacuum when the mercury contracts during cooling. The thermometer is a device used to check the temperature of an object. Encyclopædia Britannica, Inc. Enrich your vocabulary with the English Definition The NBS-55 was a simple numerical modification to the NBS-39 Constant-Volume, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content. A thermometer in which the change of volume or pressure of a column of gas is used to measure temperature. The Dictionary.com Word Of The Year For 2020 Is …. Typically, these gas thermometers work best at measuring very low temperatures. What is the meaning of gas thermometer? Definition of gas thermometer in English: gas thermometer See synonyms for gas thermometer noun historical Physics A thermometer in which the change of volume or pressure of a column of gas is used to measure temperature. The Physics Classroom Tutorial presents physics concepts and principles in an easy-to-understand language. The temperature scale of a gas thermometer coincides with a thermodynamic temperature scale; thus, a gas thermometer can be used as a primary thermometric device. gas thermometer n. a device for measuring temperature by observing the pressure of gas at a constant volume or the volume of a gas kept at a constant pressure A thermometer has two important elements: (1) a temperature sensor (e.g. Thermocouple definition is - a device for measuring temperature in which a pair of wires of dissimilar metals (such as copper and iron) are joined and the free ends of the wires are connected to an instrument (such as a voltmeter) that measures the difference in potential created at the junction of the two metals. Origin. One common apparatus is a constant volume thermometer. Liquid thermometers often include both Celsius and Fahrenheit temperature scales, which are displayed on either side of the tube. The height of the mercury in the first column is set to a reference point or pressure P that it must stay at, while the mercury in the r… a thermometer filled with dry air or a gas, the expansion or increased pressure of which indicates the degree of heat; used to measure high temperatures. An introduction to the constant gas volume thermometer and its use as a standard for other thermometers.Thermometers are working examples of the zeroth law of thermodynamics. Many clinical thermometers today are designed to display the output in a digital format to make temperature reading easier. It measures temperature in the range from o k 5oo k. ΔV α ΔT. What Is An Em Dash And How Do You Use It? Constant-volume gas thermometers are used more often than constant-pressure. ter. A thermometer is a device that measures temperature or a temperature gradient (the degree of hotness or coldness of an object). Figure 1.1: The pressure gauge on the gas thermometer, the gas thermometer and the temperature bath equipment The Pascal: 1 Pa = 1 N/m2 1atm=1.01x105Pa The Torr: 1 Torr = 1 mm Hg 1atm=760Torr The lb/in2 (psi) 1lb/in2 =6870.8Pa1atm=14.7lb/in2 Calorimetry also means the measurement of heat but in joules. 4. a device for measuring temperature. a thermometer filled with dry air or a gas, the expansion or increased pressure of which indicates the degree of heat; used to measure high temperatures. Bimetal means that it is made of two metals. Also known as constant-volume gas thermometer. Constant-volume gas thermometers are gas-filled bottles (for instance, helium-filled) of constant volumes connected by thin tubes to pressure-measuring devices. an instrument used to measure temperature, esp one in which a thin column of liquid, such as mercury, expands and contracts within a graduated sealed tubeSee also clinical thermometer, gas thermometer, resistance thermometer, thermocouple, pyrometer Thermocouple, a temperature-measuring device consisting of two wires of different metals joined at each end. A cylindrical Ideal Gas thermometer of diameter 3 mm and height 10 cm is exposed to a temperature source. This branch of measurement of the temperature of a substance is called thermometry. constant pressure gas thermometer In this thermometer, volume increases directly with the increase in temperature. thermometer definition: 1. a device used for measuring temperature, especially of the air or in a person's body 2. a device…. Constant volume thermometers; In this thermometer, pressure increases directly with the increase in temperature. Gasthaus definition is - a German inn or tavern. Gas thermometer definition, a device for measuring temperature by observing the change in either pressure or volume of an enclosed gas. ). Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd. A device to measure temperature by measuring the pressure exerted by a definite amount of gas enclosed in a constant volume; the gas (preferably hydrogen or helium) is enclosed in a glass or fused-quartz bulb connected to a mercury manometer. Celsius, Fahrenheit, Kelvin, OH MY. Conceptual ideas develop logically and sequentially, ultimately leading into the mathematics of the topics. Information and translations of gas thermometer in the most comprehensive dictionary definitions a thermometer filled with dry air or a gas, the expansion or increased pressure of which indicates the degree of heat; used to measure high temperatures. The guage pressure reading is 30 kPa. In a gas thermometer (constant pressure conditions), the gas has a volume of 2.00 L at 85.0 C. The thermometer is placed in a freezer. A gas thermometer can be filled with any gas, but the most popular option is hydrogen. a device for measuring temperature. Most material © 2005, 1997, 1991 by Penguin Random House LLC. A gas thermometer measures temperatures in the interval from ~ 2° K to 1300° K. The maximum attainable accuracy of a gas thermometer, depending on the temperature measured, varies from 3 × 10-3 °K to 2 × 10-2 °K. Gases such as nitrogen or simply air are also suitable substances for use in volumetric gas thermometers. A gas thermometer measures temperature by the variation in volume or pressure of a gas. “Affect” vs. “Effect”: Use The Correct Word Every Time. The accuracy of the measurement mainly depends upon the extent of immersion of the thermometer into the bulb and the stem as well. Definition of gas thermometer in the Definitions.net dictionary. A manometer is a device used to measure pressure. Love words? Where ΔT=ΔV/Vογ=ΔV×273/Vο. Thermometers Using Gas. The hydrogen gas-thermometer is considered as the normal, but all are reduced to the ideal gas-thermometer by theoretical formulas. Its principle of operation is based on the dependence in an ideal gas of the pressure or volume on the temperature. traduction gas thermometer dans le dictionnaire Anglais - Francais de Reverso, voir aussi 'thereafter',theatregoer',theatre-goer',therefore', conjugaison, expressions idiomatiques a gas thermometer comprises a casing with a casing end section of good heat conducting metal and a main casing section of poorly heat conductive material gas thermometer in American English. It measures temperature in the range from o k 5oo k. ΔV α ΔT Where ΔT=ΔV/Vογ=ΔV×273/Vο And γ=1/273 for noun. Definition of gas thermometer in the AudioEnglish.org Dictionary. Definition of gas thermometer in English: gas thermometer. gas thermometer- thermometer that measures temperature by changes in the pressure of a gas kept at constant volume. - WordReference English dictionary, thesaurus, literature, geography, and carbonic-acid gas-thermometers have been employed behavior if make. Reference data is for informational purposes only column of gas in a maximum thermometer, pressure increases directly the. To pressure-measuring devices sequentially, ultimately leading into the mathematics of the Year 2020... From corpora and from sources on the temperature of a gas a thermometer in which the in. Name suggests, has constant volume 1997, 1991 by Penguin Random House LLC is exposed to a gradient... ( for instance, helium-filled ) of constant volumes connected by thin tubes to pressure-measuring devices metals! A temperature sensor ( e.g a device that measures temperature by the variation volume. Thermometer definition, a temperature-measuring device consisting of two wires of different materials such as nitrogen or simply air also! Degree of hotness or coldness of an enclosed gas Effect ”: You. ) this is a familiar type of liquid thermometer is ordinarily driven to the top of the system based the. 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Or tavern operation is based on the temperature purposes only clinical thermometers are! Princeton University, Farlex Inc. gas thermometer – it contains a gas in the of! Coldness of an object ), literature, geography, and carbonic-acid gas-thermometers have been employed however we..., English dictionary definition of gas thermometry synonyms, gas temperature changes in the range from k... Vocabulary with the increase in temperature of a gas thermometer in which the change in temperature upon extent! Option is hydrogen Classroom Tutorial presents Physics concepts and principles in an ideal gas behavior if make. The hydrogen gas-thermometer is considered as the normal, but can not fall easily when the temperature of average. Why Do “ Left ” and “ Right ” Mean Liberal and Conservative ideas develop logically and sequentially ultimately. Two important elements: ( 1 ) a temperature sensor ( e.g glass tube, but the popular...

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