vapour pressure


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Related to vapour pressure: saturated vapour pressure

vapour pressure

the pressure exerted by a vapour (gas) that is in equilibrium with its solid or liquid form. The term is particularly important in the diffusion of water vapour.see TRANSPIRATION.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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Appropriate seasonal vapour pressure limits can ensure that fuel tank vapour space mixtures are always too rich to be flammable so that it would be impossible for an ignition source (such as a faulty electric fuel pump) to cause a vehicle fire.
Vapour Space Flammability Measurements of High Ethanol ("E85") and Low Ethanol ("E10") Winter Automotive Fuels: Effects of Fuel Composition and Vapour Pressure
The new rules, which take effect on April 1, aim to contain dangers by spot-checking the vapour pressure of crude before loading and capping it at 13.7 pounds per square inch (psi) - about normal atmospheric conditions.
New oil train safety checks missing
The obtained values of m and n for the test fluids are listed in Table 2 with the percent average absolute deviation, AAD, between predicted and reference vapour pressure, saturated liquid and vapour volume data.
New attraction term for the Soave-Redlich-Kwong equation of state
Coefficients for the Antoine vapour pressure equation ln([P.sub.i.sup.0] (kPa)) = [A.sub.i]-[B.sub.i] /(T(K) + [C.sub.i]) (Eq.
Isobaric vapour-liquid equilibria of the ternary system hexan-2-one + o-xylene + nonane/ Kolmiksusteemi heksaan-2-oon + o-ksuleen + nonaan isobaariline auru ja vedeliku tasakaal
The general dependence of the vapour pressure on the emulsion composition is a necessary prerequisite in order to establish the evaporation path.
Evaporation from a three-phase emulsion
The parameters a11 and b1 for sulpholane were therefore obtained from the vapour pressure and liquid density.
Solubility of propane in sulpholane at elevated pressures

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