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# Topic: Saturation temperature

 AERADE subject listing for Thermophysical properties. Aliphatic and heterocyclic compounds Saturation line properties in SI units, calculated from the equations are tabulated at 5 K intervals and at 5 degree Celsius intervals from the melting temperature to the critical temperature for the vapour pressure, saturation densities and surface tension and to within at least 43 kelvin of the critical temperature for the remainder. Saturation line properties in SI units, calculated from the equations are tabulated at 5 K intervals and at 5 degree Celsius intervals from the melting temperature to the critical temperature for the vapour pressure, saturation densities, saturation enthalpies and surface tension and to within at least 56 kelvin of the critical temperature for the remainder. Saturation line properties in SI units, calculated from the equations are tabulated at 5 K intervals and at 5 degree Celsius intervals from the melting temperature to the critical temperature for the vapour pressure, saturation densities and surface tension and to within at least 30 kelvin of the critical temperature for the remainder. aerade.cranfield.ac.uk /subject-listing/esdu/ES34.html   (2149 words)

 Saturation temperature - Wikipedia, the free encyclopedia Saturation Temperature (boiling point) - The temperature for a corresponding Saturation Pressure at which a liquid boils into its vapor phase. If the pressure in a system remains constant (isobaric), a vapor at Saturation Temperature and Pressure will begin to condense into its liquid phase as thermal energy (heat) is removed. Similarly, a liquid at Saturation Temperature and Pressure will boil into its vapor phase as additional thermal energy is applied. en.wikipedia.org /wiki/Saturation_temperature   (118 words)

 Saturation Temperature   (Site not responding. Last check: 2007-08-15) Temperature where water flashes to steam with the addition of latent heat - 212º F (100º C) at atmospheric pressure. Conversely, saturation temperature is also the temperature corresponding to a given pressure at which steam condenses. The saturation temperature of steam rises/drops proportionally with pressure i.e., steam at 60 psig - pounds per square inch gauge (420 kPag - kilo Pascals gauge) has a saturation temperature of approximately 307º F (153º C). www.tannershomeinn.com /glos_root/glossary/S/saturation_temperature.htm   (101 words)

 Relative Permeability   (Site not responding. Last check: 2007-08-15) Temperature, flow velocity, saturation history, wettability changes and the mechanical and chemical behaviour of the matrix material may all play roles in changing the functional dependence of the relative permeability on saturation. The saturations of the two fluids in the core are then determined, typically by weighing the core or by performing a mass balance calculations for each phase. For a two phase system, a core, either in the native state (preserved) or restored to the saturation conditions that exist in the reservoir, is flooded with one of the phases. www.agatlabs.com /content/relativepermeability.htm   (254 words)

 Method for optical determination of saturation temperature and apparatus therefor   (Site not responding. Last check: 2007-08-15) The accuracy of the determination of saturation temperature is augmented by passing a preheated air through an empty space formed between the test cell and the air seal glass thereby precluding otherwise possible formation of dew-condensation on the air seal glass. The saturation temperature meter is an instrument which is necessary when, in organic and inorganic chemical industries and food industry, the saturation temperatures of varying substances are to be determined for the purpose of scientific management of crystals during the eduction of crystals in solutions. In the conventional saturated temperature meter such as described above, during the elevation of the temperature of the test specimen, the test specimen in the test cell 102 and the gas in the empty space 108 gain in volume because of the phenomenon of thermal expansion. www.freepatentsonline.com /4377001.html   (3778 words)

 Atofina, Forane,Tropic Supply   (Site not responding. Last check: 2007-08-15) Where Suction Temperature is the temperature at the end of the evaporator and Saturated Suction Temperature is the saturation temperature of the pressure measured at the end of the evaporator. The saturation temperature can be found be taking a pressure reading at the end of the evaporator and looking at a P-T chart to find the saturation temperature at the given pressure. Saturation temperature is the temperature at which the refrigerant changes from a vapor to a liquid (or a liquid to a vapor) for single component refrigerants at a certain pressure. www.tropicsupply.com /Refrigerantsatofina%200e.htm   (570 words)

 Applications (Engineering Thermodynamics) - Wikibooks In the temperature range where both liquid and vapor of a pure substance can coexist in equilibrium, for every value of saturated temperature, there is only one corresponding value of saturation pressure. The relative humidity φ is the ratio of the vapor pressure to the saturation vapor pressure at that temperature, i.e. The temperature at Phoenix is 35°C with a relative humidity of 40%. en.wikibooks.org /wiki/index.php?title=Applications_(Engineering_Thermodynamics)   (2848 words)

 Saturation Pressure - Encyclopedia.WorldSearch   (Site not responding. Last check: 2007-08-15) Saturation Pressure - (vapor point) The pressure for a corresponding Saturation Temperature at which a liquid boils into its vapor phase. Saturation Pressure and Saturation Temperature have a direct relationship - as Saturation Pressure is increased, so is a fluid's Saturation Temperature. Electrical and elastic properties of basalts and ultramafic rocks as a function of saturation, pressure and temperature (University of Hawaii) encyclopedia.worldsearch.com /saturation_pressure.htm   (231 words)

 SOLUTION - LoveToKnow Article on SOLUTION   (Site not responding. Last check: 2007-08-15) Thus a mixture of ice, salt and the saturated solution has a constant freezing point, and the composition of the solution is constant and the same as that of the mixed solids which freeze out on the abstraction of heat. If the temperature at which this dense spontaneous sl,ower of crystals is found be determined for different concentrations of solution, we can plot a supersolubility curve, which is found generally to run roughly parallel to the solubility curve of steady equilibrium between liquid and already existing solid. The slope of the temperature vapour pressure curves in the neighborhood of the freezing point of the solvent is given by Freezing the latest heat equation. 11.1911encyclopedia.org /S/SO/SOLUTION.htm   (13106 words)

 Water in the Atmosphere Saturation mixing ratio and saturation vapor pressure are both tools to show one how much water vapor can be present (the capacity for the air to hold moisture) which is dependent upon temperature. The warmer the temperature, the higher the saturation mixing ratio and saturation vapor pressure. If the temperature were 60 degrees and the dewpoint 50, this would allow you to know that the amount of water vapor in the air is as much as the air could hold at 50 degrees. weather.cod.edu /notes/moisture.105.html   (678 words)

 Method and apparatus for determining the saturation temperature of a solution A method and apparatus for determining the saturation temperature of a solution containing a dissolved substance, the crystals of which are optically anisotropic. The saturation temperature is the temperature of the solution at the time the light measured by the photodetector reaches this lower, substantially constant level. The temperature of the solution in measurement vessel 2 is measured by an electrical temperature-measuring device 19, the sensitive part of which is placed as close as possible to the beam of light in vessel 2. www.freepatentsonline.com /4572676.html   (2011 words)

 [No title]   (Site not responding. Last check: 2007-08-15) Fig 3.2.1: The relationship between saturation and temperature Not only does the saturation value increase with temperature, but the higher the temperature the faster that increase. The difference between the air temperature and the dew point temperature is a direct statement of the amount the air must be cooled before condensation will occur. Fig 3.2.7: The ASOS temperature and humidity sensor shield. unc.edu /gform-links/courses/2004ss1/geog/011/001/Humidity/humidity.htm   (1697 words)

 CALCULATING RELATIVE HUMIDITY   (Site not responding. Last check: 2007-08-15) The RH is the amount of moisture in the air (via moisture mass or vapor pressure) divided by the maximum amount of moisture that could exist in the air at a specific temperature (via max moisture mass or saturation vapor pressure). The RH is NOT the dewpoint divided by the temperature. When given temperature and dewpoint, the vapor pressure (plugging Td in place of T into Clausius-Clapeyron equation) and the saturation vapor pressure (plugging T into Clausius-Clapeyron equation) can be determined. www.theweatherprediction.com /habyhints/186   (482 words)

 [No title] In addition, the average temperature of steam and condensate is assumed equal to the saturation temperature, and condensation is assumed to occur at constant pressure. The method used to represent air temperature dynamics assumes that the dynamics are due to changes in the steam pressure and thus in the saturation temperature, rather than to changes in the air inlet temperature or flow rate. Inputs to the model are the steam pressure and inlet temperature, the air inlet temperature and flow rate, and the air outlet temperature, which is obtained from the first output of the model. sel.me.wisc.edu /trnsys/trnlib/heat_exchangers/705.des   (411 words)

 [No title]   (Site not responding. Last check: 2007-08-15) A curve fit of the saturation line on the psychrometric chart (enthalpy and humidity ratio), the space set-point temperature and humidity, and the SHR are used with Newton's method to predict the saturation temperature at which the load line intersects the saturation line. The optimum fraction of flow rate through the coil is calculated using the saturation temperature and humidity ratio (coil outlet state), set-point temperature and humidity ratio, and the circulation flow rate of air through the system. The coil outlet state was assumed to be saturated at the outlet temperature because in order to take into account the bypass fraction, the inlet state of the A/C coil is needed and this significantly complicates the calculations. sel.me.wisc.edu /trnsys/trnlib/controllers/401.des   (260 words)

 Mount Washington Observatory: Glossary of Weather Terms   (Site not responding. Last check: 2007-08-15) The saturation vapor pressure is temperature dependent, which differs for a flat or curved liquid surface (such as a spherical droplet). While sublimation is always occurring, vapor to solid sublimation dominates under saturated (or supersaturated) conditions, whereas solid to vapor sublimation dominates under subsaturated conditions. Typically the temperature range is between 32° and 0° F (0° and -17.8° C), but if there is an absence of nuclei, supercooled droplets can be as cold as -40° F (-40° C). www.mountwashington.org /glossary/gloss.html   (2233 words)

 [No title]   (Site not responding. Last check: 2007-08-15) It is the temperature that a sample of dry air at pressure P would have in order that its density equal that of the sample of moist air at temperature T, pressure P, and mixing ratio m. Saturation vapor pressure in millibars is plotted along the Y axis. Derivation of Saturation Vapor Pressure Equation The form of the curve in Figure 1 suggests that there is an exponential relationship between the saturation vapor pressure and temperature, as shown in the notation on the plot. members.aol.com /luthben/technote.doc   (729 words)

 Solubility of unknown salt The effect that temperature has on the solubility of a substance is determined by the quantity of heat released or absorbed as the solute dissolves. The fluctuation of the solubility of a solute with temperature can best be represented by the curve obtained by plotting the temperature on the abscissa or x axis and the concentration in g solute per 100 g solvent on the ordinate or y axis. If in doubt about the exact temperature, again heat the test tube and contents to 80° C in the water bath until all of the crystals are dissolved, repeat the cooling procedure, and record the saturation temperature on the Data Sheet. www.sciencebyjones.com /solubility_of_unknown_salt.htm   (1703 words)

 ALMA MEMO #423 A derivation of the saturation temperature from a measurement on the vane and on an ambient load is presented. The case of partial saturation on the vane is explored. Using the derived saturation temperature in this case requires a more accurate measurement of the vane transmission, but is the only way to reach the specified accuracy. www.alma.nrao.edu /memos/html-memos/abstracts/abs423.html   (206 words)

 About Dewpoint Temperature, Humidity and The Moisture Content of Gases The dewpoint, or more precisely the dewpoint temperature, is the temperature at which the liquid and gaseous phases of a material present in a gas, such as water in air, are in equilibrium at a given gas pressure. In other words, the dewpoint temperature, or dewpoint, is the temperature at which the liquid water, or dew, evaporates at the same rate at which it condenses. The dewpoint temperature is most commonly observed in ambient air and is also called the saturation temperature of water vapor in air. www.temperatures.com /dewpoint.html   (1086 words)

 [No title]   (Site not responding. Last check: 2007-08-15) Dew is created when a surface temperature has such a low temperature that the air chills to the dew point and the water vapour condenses. Saturation vapor pressure (es) is the maximum vapor pressure that the air can support (non supersaturated) at a given temperature. Saturated vapor pressure (ES): ES = 6.1078 * 10 ** ((T * A)/(T + B)) \ temperature A = 7.5 } for use in B = 237.3 } vapor pressure with respect to water * A = 9.5 } for use in vapor pressure B = 265.5 } with respect to ice 3. cui.unige.ch /~luthi/download/dew.txt   (1004 words)

 Trouble shooting A/C Find actual temperature of the refrigerant by measuring the suction line temperatures (thermometer). The actual temperature minus the saturation temperature is equal to the degrees of superheat. The saturation temperature minus the actual temperature is equal to the degrees of sub cooling. www.hvacwebtech.com /trouble.htm   (113 words)

 Pure Substance Since a three-dimensional surface is difficult to represent well on a flat surface, it is common practice to show property surfaces in terms of two properties, with constant-property lines indicating the shape of the surface in terms of the third variable, similar to contour lines on a topographic map. The temperature value listed as "Sat." is the saturation temperature corresponding to that pressure; the value of the saturation temperature is given in parentheses next to the pressure value at the top of the block. For liquid-vapor saturation, the first column gives the saturated liquid value, the third column, the saturated vapor value, and the middle column, the difference between the saturated vapor and liquid values (the "evaporation value"). gaia.ecs.csus.edu /~reardonf/thermhtm/puresubs.htm   (893 words)

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