 The relative humidity of the air is the ratio between the amount of water vapor actually present and the amount that would be present if the air were saturated at the same temperature.  Physics - Page 257by Henry Smith Carhart - 1917 - 478 pagesFull view - About this book
 | George Arthur Hoadley - Physics - 1908 - 476 pages
...— The relative humidity of the air is the ratio between the amount of moisture present in the air and the amount that would be present if the air were saturated. If the temperature of the air is taken at the same time that the dew-point is determined, the relative... | |
 | Henry Smith Carhart, Horatio Nelson Chute - Physics - 1912 - 472 pages
...indicate the proportion of water vapor actually present in comparison with what the air could hold when saturated at the same temperature. The air is saturated...which the dew point is much below the temperature of the air ; a damp day is one on which the dew point is close to the temperature of the air. Questions... | |
 | George Arthur Hoadley - Physics - 1913 - 554 pages
...— The relative humidity of the air is the ratio between the amount of moisture present in the air and the amount that would be present if the air were saturated. If the temperature of the air is taken at the same time that the dew-point is determined, the relative... | |
 | Henry Smith Carhart, Horatio Nelson Chute - Physics - 1917 - 572 pages
...Dew Point. — The dew point is the temperature at which the aqueous vapor of the atmosphere begins to condense. If water at the temperature of the room...which the dew point is much below the temperature of the air ; a damp day is one on which the dew point is close to the temperature of the air. Humidity... | |
 | Foster Sproxton - Cellulose - 1925 - 188 pages
...not often entirely saturated with moisture. What is usually called the " humidity " is the proportion actually present and the amount that would be present if the air were saturated with it. If, for example, 100 Ib. of air at a certain temperature contains 1 Ib. of water vapour, but... | |
 | Albert Edward Caswell - Physics - 1928 - 802 pages
...of the density of the water vapor present in the atmosphere to the density of the water vapor which would be present if the air were saturated at the same temperature. The following definition is practically equivalent to the above. DEFINITION. Relative humidity is the ratio... | |
 | Henry Dewey Thompson - Geology - 1947 - 488 pages
...interiors of continents. Relative humidity refers to the amount of water vapor in the air compared with the amount that would be present if the air were saturated at that temperature, and is expressed in percentages determined by dividing the absolute humidity by the... | |
 | United States. National Weather Service - Meteorology - 1973 - 318 pages
...Relative Humidity. The ratio, expressed as a percentage, of the actual vapor pressure in the air to the amount that would be present if the air were saturated at the same pressure and temperature. 2.4 Hygrometer. An instrument which measures the water-vapor content of the... | |
 | United States. Flight Standards Service - Airframes - 1976 - 568 pages
...Humidity Relative humidity is the ratio of the amount of water vapor actually present in the atmosphere to the amount that would be present if the air were saturated at the prevailing temperature and pressure. This ratio is usually multiplied by 100 and expressed as a percentage.... | |
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