The psychrometric constant γ{\displaystyle \gamma } relates the partial pressure of water in air to the air temperature. This lets one interpolate actual...

Psychrometrics (or psychrometry, from Greek ψυχρόν (psuchron) 'cold', and μέτρον (metron) 'means of measurement'; also called hygrometry) is the field...

conductance (m s−1) λv = latent heat of vaporization (J kg−1) γ = psychrometric constant (Pa K−1) which (if the SI units in parentheses are used) will give...

speed at 2m height (m−1) δe = vapor pressure deficit (kPa) γ = Psychrometric constant (γ ≈ 66 Pa K−1) N.B.: The coefficient 0.408 and 900 are not unitless...

Conductivity of stoma, surface or stomatal conductance (m s−1) γ = Psychrometric constant (γ ≈ 66 Pa K−1) Note: Often resistances are used rather than conductivities...

Psychrometric Formulae – at the annual meeting of the American Society of Mechanical Engineers. It became known as the "Magna Carta of Psychrometrics...

hazard – Occupational hazard to one's psychological well-being Psychrometric constant – Relation of the partial pressure of water in air to temperature...

underlying property data for the Mollier diagram is identical to a psychrometric chart. At first inspection, there may appear little resemblance between...

values. The relationships between these values are illustrated in a psychrometric chart. Lower wet-bulb temperatures that correspond with drier air in...

Another common set of values originates from the 1974 Psychrometry and Psychrometric Charts. a = 6.105 mbar, b = 17.27, c = 237.7 °C; for 0 °C ≤ T ≤ 60 °C...

chamber – Air space in a cave chamber with pressure below atmospheric Psychrometric constant – Relation of the partial pressure of water in air to temperature...

conditioning set-up. The psychrometric process of the air passing through the system with four state points is shown on the psychrometric chart of Figure 2 as...

the saturation pressure. Saturation pressure can be looked up in a psychrometric chart or derived from the Arrhenius equation; a way to compute it directly...

Sadakam, Samy Grain Drying Tools: Equilibrium Moisture Content Tables and Psychrometric Charts. Univ. Arkansas, FSA1074 FAO. 2011. Rural structures in the tropics...

Humidity Infiltration Latent heat Noise control Outgassing Particulates Psychrometrics Sensible heat Stack effect Thermal comfort Thermal destratification...

in many measurements in chemical, biological, and physical systems at a constant external pressure, which is conveniently provided by the large ambient...

physical and thermodynamic properties of gas–vapor mixtures is named psychrometrics. The relative humidity ( R H {\displaystyle RH} or φ {\displaystyle...

constant-volume devices, meaning that, at a constant fan speed, a centrifugal fan moves a relatively constant volume of air rather than a constant mass...

purpose diagrams include: PV diagram T–s diagram h–s (Mollier) diagram Psychrometric chart Cooling curve Indicator diagram Saturation vapor curve Thermodynamic...

locating the intersection of the wet and dry-bulb temperatures on a psychrometric chart. The dry and wet thermometers coincide when the air is fully saturated...

behaves like an ideal gas with constant specific heats Isentropic ( P v k = c o n s t a n t {\displaystyle Pv^{k}=constant} , where k = C p / C v {\displaystyle...

based on the definition of the Carnot heat engine efficiency and the psychrometric concepts. By the 1760s (or earlier) German artisans had invented a so-called...

temperature of 29 °C (84 °F) and relative humidity of 40% in the sea-level psychrometric chart, and in Steadman's table at 40% RH the apparent temperature is...

properly rated for its fire and smoke indices. See also: plenum chamber psychrometric The study of the behavior of air-water vapor mixtures. Water vapor plays...

tubing has constant perimeter, constant thickness, and constant heat conductivity, and whose condensible fluid is perfectly mixed and at a constant temperature...

cooling can be visualized using a psychrometric chart by finding the initial air condition and moving along a line of constant enthalpy toward a state of higher...

Constant air volume (CAV) is a type of heating, ventilating, and air-conditioning (HVAC) system. In a simple CAV system, the supply air flow rate is constant...

services. Thus, it incorporates the control of environmental factors (psychrometrics), either for human comfort or for the operation of machines. Heating...

energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature process—usually a first-order phase transition, like melting...

power—and power plants use steam to generate electricity Oxyhydrogen Psychrometrics—moist air–vapor mixtures, humidity, and air conditioning Steam-electric...