Absolute humidity - The actual amount of the water vapor in a mixture of air and water.
Related Definitions from Aviation Glossary
Line Maintenance
Datum
Fatigue Failure
Flight Safety Critical Aircraft Part (FSCAP)
Vital Point ...
CAPE is measured in joules per kilogram of dry air and may be assessed by plotting the vertical profile of balloon radio-sonde readings for pressure, temperature and humidity on a tephigram and also plotting the temperatures that a rising parcel of ...
Humidity. The amount of water vapour per unit volume of air.
Absolute Humidity. The mass of water vapour per unit volume of air.
High Humidity Endurance Test (HHET)
A laboratory test that measures endurance time of anti-icing fluid under conditions of high humidity. This test is intended to simulate frost conditions.
Hoarfrost ...
Humidity - to your work piece and in the composite materials - once water is trapped behind a epoxy barrier it is there for ever and can make major trouble ...
Average local humidity: High humidity aggravates engine problems and makes everything that is mentioned above worse.
The development of an amine blush is most visible under high humidity conditions. An amine blush is a surface effect resulting from the curing agent reacting with Carbon Dioxide (CO2) in the atmosphere rather than the epoxy resin.
No, worse, Texas hot - 100 degrees plus, and over 80 percent humidity. As good aviators, we prepared for the flight by drinking enough water to drain Lake Michigan.
In order to avoid any humidity and the fuel itself to solidify at the lower temperatures (-55 °C)fuel tanks will have thermometers and heating systems.
You can change the temperature, the atmospheric pressure, and the relative humidity of the air; the program will calculate the air density that affects the side force. Try setting up a pitch and changing the location. What happens to the trajectory?
How long a contrail remains intact, depends on the humidity structure and winds of the upper troposphere. If the atmosphere is near saturation, the contrail may exist for sometime.
A number of factors (altitude/pressure, temperature and humidity) influence the air density. A higher altitude, low pressure area, higher temperature and high humidity all have one result: they lower the density of the air.
They are, in no particular order, aircraft load, temperature/humidity/altitude, which combine to determine density altitude, runway surface, runway grade (slope), runway length and obstacles at the end.
Carburetor icing was ruled out as a reason, because the ambient temperature was substantially below freezing and the humidity was very low. A mechanical failure of the engine was also ruled out.
Partly Cloudy (37 oF - 3 oC)
Humidity: 87%
Wind: SW at 7 mph
Tue ...
In principle, the calibrated airspeed depends on true airspeed and on density, and the density depends on altitude, temperature, and humidity ...
They also must withstand extremes of temperature and humidity. As a result, expect your aviation headset to use diaphragms of metal or Mylar, rather than the paper diaphragms common in home stereo equipment.
 See also: Temperature, Aircraft, Speed, Pilot, Direct
  
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