equivalent temperature


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equivalent temperature

[i′kwiv·ə·lənt ′tem·prə·chər]
(meteorology)
The temperature that an air parcel would have if all water vapor were condensed out at constant pressure, the latent heat released being used to heat the air. Also known as isobaric equivalent temperature.
The temperature that an air parcel would have after undergoing the following theoretical process: dry-adiabatic expansion until saturated, pseudoadiabatic expansion until all moisture is precipitated out, and dry adiabatic compression to the initial pressure; this is the equivalent temperature as read from a thermodynamic chart and is always greater than the isobaric equivalent temperature. Also known as adiabatic equivalent temperature; pseudoequivalent temperature.
(thermodynamics)
A term used in British engineering for that temperature of a uniform enclosure in which, in still air, a sizable blackbody at 75°F (23.9°C) would lose heat at the same rate as in the environment.

equivalent temperature

An index similar to effective temperature, but not considering the effects of humidity.

equivalent temperature

The degree of comfort in the passenger cabin in terms of temperature effectiveness. It takes into account factors like cabin heat load, humidity, thermal inertia, and temperature distribution throughout the aircraft. The term is used in aircraft environmental system design.
References in periodicals archive ?
Interactive short-term effects of equivalent temperature and air pollution on human mortality in Berlin and Lisbon.
4 GCs: Shimadzu GC-8AIF or equivalent Temperature range from ambient to 400o C for injection port, detector, and oven Pressure regulators for the carrier gas, hydrogen, and air FID detector Stand alone instrument with chart recorder output
2] = equivalent temperature at roof side-1, and side-2 respectively, [degrees]C ([degrees]F)
COOLING POWER OF WIND ON EXPOSED FLESH EXPRESSED AS AN EQUIVALENT TEMPERATURE ESTIMATED ACTUAL THERMOMETER READING (F) WIND SPEED (IN MPH) 5O 40 30 20 10 0 -10 EQUIVALENT TEMPERATURE (F.
This study focuses on predicting the early-age deformation of JPCP due to environmental loads using the simplified equivalent temperature difference ([DELTA][T.
With a 50 per cent humidity factor, the equivalent temperature can exceed 190 degrees Fahrenheit.
With a 50 percent humidity factor, the equivalent temperature can exceed 190 degrees Fahrenheit.
2 Equivalent, standard and subjective temperature Equivalent temperature is calculated and defined like temperature in uniform thermic environment, at which, a heat loss equivalent to the heat loss in the real environment is caused.
That is why assessment of the required heating/cooling was made on the basis of equivalent temperature (Dufton 1936).
The manikin-based equivalent temperature was defined as the temperature of a uniform enclosure in which a thermal manikin with realistic skin surface temperature would lose heat at the same rate as it would in the actual environment (Nilson et al.
In addition to the temperature effect on the free volume, the equivalent temperature effect is employed to account for the impact of the normal stresses and the hydrostatic pressure on free volume.

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