define dry bulb temp
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Dry-bulb temperature Dry-bulb temperature. The dry-bulb temperature (DBT) is the temperature of air measured by a thermometer freely exposed to the air but shielded from radiation and moisture. DBT is the temperature that is usually thought of as air temperature, and it is the true thermodynamic temperature.
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Wet-bulb temperature The wet-bulb temperature is the temperature, a parcel of air would have if it were cooled to saturation (100% relative humidity) by the evaporation of water into it, with the latent heat being supplied by the parcel.[1] A wet-bulb thermometer will indicate a temperature close to the true (thermodynamic) wet-bulb temperature.
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- We varied the indoor dry bulb temperature at five levels, from 64 [degrees] F to 80 [degrees] F; and fixed the discharge saturation temperature at 103 [degrees] F, by automatically adjusting the compressor speed.
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Defining Design Wet Bulb Temperature RE: Defining Design Wet Bulb Temperature. 23 Feb 08 13:47. Yeah, the hour-to hour variation of the local absolute humidity is quite small. The DBT swings appreciably during a 24-hr period, particularly in dry regions in response to the solar (day), and land (night) radiation, but the WBT moves much less.
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Dry Bulb, Wet Bulb and Dew Point Temperatures The Dry Bulb, Wet Bulb and Dew Point temperatures are important to determine the state of humid air. The knowledge of only two of these values is enough to determine the state of the moist air - including the content of water vapor and the sensible and latent energy (enthalpy) in the air.
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Types of Lighting: Incandescent Bulbs The filament's temperature is very high, generally over 2,000º C, or 3,600º F. In a standard 60-, 75-, or 100-Watt bulb, the filament temperature is roughly 2,550º C, or roughly 4,600º F. At high temperatures like this, the thermal radiation from the filament includes a significant amount of visible light.
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- Wet Bulb (WB) - With moistened wick over the bulb - will read varying temperatures depending on the rate of evaporation. Rate of evaporation varies with the humidity level. Black Globe (BG) - With black copper sheath over bulb - A temperature measurement that will vary with the intensity of the sun.
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Future Temperatures Could Exceed Human Livability A wet-bulb temperature is a measurement of temperature that describes the lowest temperature that can be reached by the evaporation of water only. It is the equivalent to what is felt when wet skin is exposed to moving air and includes temperature and atmospheric humidity.
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- Range (C), 70 Degrees to 115 Degrees F (21 Degrees to 45 Degrees C) Wet Bulb Temperature Range, -85 Degrees to 115 Degrees F (-65 Degrees to 46 Degrees C) Dew Point Range, 32 Degrees to 122 Degrees F (0 Degrees to 50 Degrees C) Wet Bulb Globe Temperature Range.
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Halogen lamp A 300 watt tubular halogen bulb operated at full power quickly reaches a temperature of about 540 °C (1,004 °F), while a 500 watt regular incandescent bulb operates at only 180 °C (356 °F) and a 75 watt regular incandescent at only 130 °C (266 °F).
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- Example : Determine the wet-bulb and dewpoint temperature the given temperature is 40&deg;C, relative humidity is 50% and then actual station pressure is 3 millibars.xample : Determine the wet-bulb and dewpoint temperature the given temperature is 40&deg;C, relative humidity is 50% and then actual station pressure is 3 millibars.
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Severe Weather Glossary Dew point is a measure of atmospheric moisture. It is the temperature to which air must be cooled to reach saturation (assuming air pressure and moisture content are constant). A higher dew point indicates more moisture present in the air. technical definition follows: The dew point is the temperature at which the water vapor in a sample of air at constant barometric pressure condenses into liquid water at the same rate at which it evaporates. At temperatures below the dew point, water will leave the air.
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Wet Bulb Globe Temperature (WBGT) Measured by a thermometer shielded from radiation. The Wet Bulb Globe Temperature (WBGT) can be calculated for indoor conditions as. WBGT = 0.7 Tnwb + 0.3 Tg (2) Physiology - Human physiology, air quality and comfort temperatures, activity and metabolic rates, health effects of carbon monoxide and more.
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Dew point A technical definition follows: The dew point is the temperature at which the water vapor in a sample of air at constant barometric pressure condenses into liquid water at the same rate at which it evaporates. At temperatures below the dew point, water will leave the air. technical definition follows: The dew point is the temperature at which the water vapor in a sample of air at constant barometric pressure condenses into liquid water at the same rate at which it evaporates. At temperatures below the dew point, water will leave the air.
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- Outboard Motor - File on UCC-1 - to be filed at the Secretary of State Office. Inboard/Outboard Motor - File on UCC-1 - If a separate filing is made by the secured party on the inboard/outboard motor only, that filing goes to the Secretary of State. In some boats the inboard/outboard motor is an integral part of the boat and is covered by the filing on the boat.
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Dew point A technical definition follows: The dew point is the temperature at which the water vapor in a sample of air at constant barometric pressure condenses into liquid water at the same rate at which it evaporates. At temperatures below the dew point, water will leave the air. high relative humidity implies that the dew point is closer to the current air temperature. Relative humidity of 100% indicates the dew point is equal to the current temperature and that the air is maximally saturated with water.
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- When the heat of a fire raises the sprinkler to its operating temperature, usually between 155-175ºF (68°-79°C), a fusible link or glass bulb will activate only that sprinkler over the fire, thereby releasing water only directly over the source of heat.
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- The psychrometer can be used outside to assure that dew point of outside air is at least 3[degrees]F below the desired room d. Dew point temperature related to wet mushroom caps While the sling psychrometer certainly meets the spirit of the standards, each one of us spins the unit at our own pace--the variability determined by our enthusiasm or lack thereof.
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Severe Weather Glossary Dew point is a measure of atmospheric moisture. It is the temperature to which air must be cooled to reach saturation (assuming air pressure and moisture content are constant). A higher dew point indicates more moisture present in the air.
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Wet-bulb temperature The wet-bulb temperature is the temperature a parcel of air would have if it were cooled to saturation (100% relative humidity) by the evaporation of water into it, with the latent heat being supplied by the parcel.he thermodynamic wet-bulb temperature is the temperature a volume of air would have if cooled adiabatically to saturation by evaporation of water into it, all latent heat being supplied by the volume of air.
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Wet-bulb temperature The wet-bulb depression is the difference between the dry-bulb temperature and the wet-bulb temperature. If there is 100% humidity, dry-bulb and wet-bulb temperatures are identical, making the wet-bulb depression equal to zero in such conditions.he thermodynamic wet-bulb temperature is the temperature a volume of air would have if cooled adiabatically to saturation by evaporation of water into it, all latent heat being supplied by the volume of air.
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- This simple conversion to wet bulb temperature is an important piece of snowmaking information and is accurate for temperatures between 40 and 0 degrees F. The accuracy begins to diminish beyond this range. The Excel calculation file for your own personal use can be obtained by downloading WetBulb.xls .
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hygrometer Switch to new thesaurus. hygrodeik - a wet and dry bulb hygrometer. hygroscope - hygrometer that shows variations in the relative humidity of the atmosphere. measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something. psychrometer - a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air.
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Small Flock Series: Incubation of Poultry Relative humidity is calculated by using a wet bulb thermometer to measure the temperature within the incubator. A wet bulb temperature of 88 o F and a dry bulb temperature of 101 o F, converts to 60% relative humidity (See p.16 in Beginning of Life for tables used in calculating humidity in the incubator).elative humidity is calculated by using a wet bulb thermometer to measure the temperature within the incubator. A wet bulb temperature of 88 o F and a dry bulb temperature of 101 o F, converts to 60% relative humidity (See p.16 in Beginning of Life for tables used in calculating humidity in the incubator).
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Dew Point The dew point temperature is the temperature at which the air must become cooled to in order to become completely saturated with water vapor. If the air is cooled to the dew point temperature, it will become saturated and condensation will begin to form. dew point temperature close to the actual temperature means that the air is quite full of water vapor and thus humid. If the dew point is significantly lower than the air temperature, the air is dry and can still hold much additional water vapor.
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- The temperature at which condensation sets in is called the dew point. The dew point, and other measures of humidity can be calculated from readings taken by a hygrometer. A hygrometer has two thermometers, one dry bulb or standard air temperature thermometer, and one wet bulb thermometer.he dew point, and other measures of humidity can be calculated from readings taken by a hygrometer. A hygrometer has two thermometers, one dry bulb or standard air temperature thermometer, and one wet bulb thermometer.