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Online calculator, figures and tables with water saturation (vapor) pressure at temperatures ranging 0 to 370 °C (32 to 700°F) - in Imperial and SI Units. Water tends to evaporate or vaporize by projecting molecules into the space above its surface.
- Evaporation From a Water Surface
Example - Evaporated Water from a Swimming Pool. There is a...
- Moist Air
The pressure in a mixture of dry air and water vapor - humid...
- Scfm Versus Acfm and Icfm
Atmospheric Pressure vs. Elevation above Sea Level Elevation...
- Evaporative Cooling
Indirect Evaporative Cooling Process in the Psychrometric...
- Relative Humidity
The atmospheric pressure of air is 1013 mbar (101.325 kPa,...
- Humidity Ratio
The maximum amount of water vapor in the air is achieved...
- Liquids
lower vapor pressure are called heavy components ;...
- Removing Heat with Air
Moist Air - Vapor Pressure Vapor pressures vs. dry and wet...
- Evaporation From a Water Surface
Tables B-1 and B-2 present data for saturated liquid and saturated vapor. Table B-1 is presented information at regular intervals of temperature while Table B-2 is presented at regular intervals of pressure. Table B-3 presents data for superheated vapor over a matrix of temperatures and pressures.
31 lip 2024 · With this vapor pressure of water calculator, you can find the vapor pressure at a particular temperature according to five different formulas. This calculator works for the standard 0-100 °C range as well as temperatures above 100 °C and below the freezing point.
Table A–5 Saturated water—Pressure table Table A–6 Superheated water Table A–7 Compressed liquid water Table A–8 Saturated ice–water vapor Figure A–9 T-sdiagram for water ... *The unit kJ/kg·K is equivalent to kPa·m3/kg·K. The gas constant is calculated from R R u/M, where R
The vapor pressure of water is the pressure exerted by molecules of water vapor in gaseous form (whether pure or in a mixture with other gases such as air). The saturation vapor pressure is the pressure at which water vapor is in thermodynamic equilibrium with its condensed state.
Explore a comprehensive table of water vapor pressure at different temperature values presented in both SI (kPa) and US customary (psi) units.
An important basic value, which is not registered in the table, is the saturated vapor pressure at the triple point of water. The internationally accepted value according to measurements of Guildner, Johnson and Jones (1976) amounts to: P w (t tp = 0.01 °C) = 611.657 Pa ± 0.010 Pa at (1 − α) = 99%
