How do you calculate how fast water evaporates?

I did my own research, and according to The Engineering Toolbox,the formula for the evaporation rate of water is as follows:

1. gh=ΘA(xs−x)
2. gh = amount of evaporated water per hour (kg/h)
3. Θ=(25+19v) = evaporation coefficient (kg/(m2 h))
4. v = velocity of air above the water surface (m/s)
5. A = water surface area (m2)

What is the formula used to calculate rate of evaporation?

This reflects the volume of liquid that has evaporated. For example, 500 mL – 495 mL = 5 mL. Divide the volume of liquid that evaporated by the amount of time it took to evaporate. In this case, 5 mL evaporated in an hour: 5 mL/hour.

What determines how fast something evaporates?

Testing the Effect of Surface Area Molecules contained in a liquid evaporate from the surface area. This means that the larger the surface area, the faster the rate of evaporation. Test this by putting water into two different containers.

What is the rate of evaporation?

Evaporation rate is known as the rate at which a material vaporizes (or evaporates), meaning it will change from liquid to vapor when compared to the rate of vaporization of a specific known material. This quantity represents a ratio, which means it is unitless.

How do you make water evaporate faster?

TL;DR: When trying to make water evaporate quickly, it is best to spread the water over a large surface area and apply heat as evenly as possible. If using hot air to evaporate water, increased velocity will increase the speed of evaporation.

What are three factors that affect how fast water evaporates?

Factors That Affect the Rate of Evaporation

• temperature of the liquid. A cup of hot water will evaporate more quickly than a cup of cold water.
• exposed surface area of the liquid.
• presence or absence of other substances in the liquid.
• air movement.
• concentration of the evaporating substance in the air.

How fast does water evaporate from a pool?

How Quickly Does It Evaporate? For evaporation, anywhere between 2 millimeters to 2 inches per week is about what you should expect in terms of pool water loss.

What are the 4 factors that affect the rate of evaporation?

Liquids changes into vapour by the process of evaporation. The factors that affect the rate of evaporation of liquids are temperature, surface area, wind speed, and humidity.

What is the formula for calculating evaporation?

g h = amount of evaporated water per hour (kg/h) Θ = (25 + 19 v) = evaporation coefficient (kg/m 2h) v = velocity of air above the water surface (m/s) A = water surface area (m 2) x s = maximum humidity ratio of saturated air at the same temperature as the water surface (kg/kg) (kg H 2O in kg Dry Air)

What is the evaporation coefficient of water at 25 degrees Celsius?

With air temperature 25 oC and 50\% relative humidity the humidity ratio in the air is 0.0098 kg/kg – check Mollier diagram. With air velocity above the water surface 0.5 m/s the evaporation coefficient can be calculated as The evaporation heat (enthalpy) of water at temperature at 20oC is 2454 kJ/kg.

What factors affect the rate of evaporation of water?

The evaporation rate is influenced by 1) The temperature of the water at the air-water surface 2) The humidity of the air

How do you measure the evaporation rate of a pool?

Get a bucketful of water from the pool, let it sit for 24 hours and then measure the drop in the level of water. You can make a pretty good estimate of your local evaporation rate by multiplying by the ratio of surface areas of the pool and bucket, times the volume of water that has evaporated from the bucket.