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How does the difference between the dry bulb temperature and the wet bulb temperature to the relative humidity?
Wiki User
∙ 11y ago
When the humidity in the surrounding air is low, the water in the wet cloth wrapped around the bulb of the "wet bulb" thermometer evaporates quicker, giving lower reading on that thermoneter, thus widening the gap between the wet bulb and dry bulb temperatures. The lower the humidity in the air, the quicker the evaporation, the lower the "wet bulb temperature".
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoThe wet bulb thermometer is reading the temperature of the wet material around the bulb not the air temperare> Assume the air temperature and liquid on the wet bulb start out the same. As the wet bulb is exposed to the air some of the liquid evaportates (assuming the humidity is not 100%). Evaporation happens when energetic molecules leave a liquid. Reducing the number of energetic molecules in a liquid lowers the average energy in the rest of the liquid. A lower average energy corresponds to a lower temperature. As consequence the temperature of the wet bulb falls. The temperature does not fall continuously. At some point heat coming in from the air balances the heat leaving with the evaporating liquid. This is the wet bulb temperature and it can be equated to the humidity of the air.
Wiki User
∙ 11y agodifference between dry bulb temperature and wet bulb temperature which is usually different from each other...like WBT is always less than DBT!!
But at 100% relative humidity both are same!!..
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What is the relationship between temperature and relative humidity.?
The temperature determines the humidity.
What weather factor is a hygrometer use for?
Hygrometers measure the relative humidity of the atmosphere. The relative humidity is the ratio between the present water vapor content of the air and the maximum amount of water vapor the air could hold at the same temperature. Cool air will not hold as much water vapor as warmer air. With the same amount of moisture in the air, an increase in temperature decreases the relative humidity, and if the temperature drops, relative humidity increases.
What is the Relative humidity of chaparral?
The relative humidity of chaparral can vary depending on factors such as temperature and time of day. Generally, chaparral regions have relatively low humidity, often ranging between 20% to 60%. However, during cooler or more humid periods such as mornings or after rainfall, the relative humidity can be higher.
What is relationship between relative humidity and temperature?
There is an effect if you're a living being and trying to cool down. Humidity does not change the temperature. It will make it difficult for your body to cool down, so it 'feels' hotter with humidity. Sweat has to evaporate for your body to cool down. It's harder to evaporate when the air is already saturated with water (ie high humidity).
What is the optimum relative humidity range in a greenhouse?
that depends on the temperature outside the greenhouse and the size of the greenhouse ect..
What is the relationship between temperature and relative humidity.?
The temperature determines the humidity.
What is the difference between relative humidity and dew point temperature?
relative humidity is the AMOUNT of water in the air. Dew Point is the TEMPERATURE at which the water vapor in the air is turned into liquid water.
What is the difference between relative humidity and actual humidity?
Humidity is the amount of water vapor at any given time and relative humidity is the amount of water vapor in the air compared to the greatest amount it can hold at that air temperature.
What weather factor is a hygrometer use for?
Hygrometers measure the relative humidity of the atmosphere. The relative humidity is the ratio between the present water vapor content of the air and the maximum amount of water vapor the air could hold at the same temperature. Cool air will not hold as much water vapor as warmer air. With the same amount of moisture in the air, an increase in temperature decreases the relative humidity, and if the temperature drops, relative humidity increases.
What step should you follow to measure humidity with a psychrometer?
A sling psychrometer (or hygrometer) uses the difference in readings between a wet bulb thermometer and another with a dry bulb to measure the relative humidity. The bulb that is wet will cool by evaporation to the "dew point", which is the temperature at which the current humidity would be the maximum possible. Comparing that to the dry bulb (the general air temperature) on a comparative chart will yield the approximate relative humidity.
What is the difference between high and low humidity?
Low is at high temperature High is at low temperature It kind of has to do with the way the shower is at the humidity rate
What is the instument used to find relative humidity?
barometer A barometer measures atmospheric pressure, not humidity. A hygrometer measures humidity.
What controls the balance between evaporation and condensation?
Relative Humidity and atmospheric pressure and temperature to a small part.
What is the difference between a thermostat and humidistat?
A humidistat senses humidity, thermostat temperature.
What does it mean when humidity is 100 percent?
This is called relative humidity. It is the ratio between the actual humidity, and the humidity for saturated air - that is, the maximum amount of water air can hold. This saturation point is dependent on temperature.
What is the Relative humidity of chaparral?
The relative humidity of chaparral can vary depending on factors such as temperature and time of day. Generally, chaparral regions have relatively low humidity, often ranging between 20% to 60%. However, during cooler or more humid periods such as mornings or after rainfall, the relative humidity can be higher.
On a cold winter day the air temperature is 2C and the wet-bulb temperature is -1C What is the relative humidity at this location?
51%.... open to the Relative Humidity chart in the reference tables. the wet bulb temperature is -1C and the dry bulb temp. is 2C, making a difference of 3C. On RH chart, go down to 3C column (difference between the Wet bulb and dry bulb) until it intersects the dry bulb 2C. At this intersection is 51%
