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Please estimate the evaporation rate in in./day using the Penman equation for an air temperature of 90°F (32.2°C), wind speed of 15 mph, relative humidity of 40%, and net radiation flux of 500 ly/day, saturation vapor pressure of 48.1 mb if ▲ for this temperature quals to 2.72 mb/°C. Assume atmospheric pressure is 1000 mb so the psychometric constant (8) is 0.66 mb/°C. E₂ for this area is given by: E₂-0.0106(1+0.2u)(es-ea)

Please estimate the evaporation rate in in./day using the Penman equation for an air temperature of 90°F (32.2°C), wind speed of 15 mph, relative humidity of 40%, and net radiation flux of 500 ly/day, saturation vapor pressure of 48.1 mb if ▲ for this temperature quals to 2.72 mb/°C. Assume atmospheric pressure is 1000 mb so the psychometric constant (8) is 0.66 mb/°C. E₂ for this area is given by: E₂-0.0106(1+0.2u)(es-ea)

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The conversion factor for Ea is 2.54 cm/in. So when you calculate your Ea result multiple it by this conversion factor.
Please estimate the evaporation rate in in./day using the Penman equation for an air temperature of 90°F (32.2°C), wind speed of 15 mph, relative humidity of 40%, and net radiation flux of 500 ly/day, saturation vapor pressure of 48.1 mb if ▲ for this temperature equals to 2.72 mb/°C. Assume atmospheric pressure is 1000 mb so the psychometric constant (8) is 0.66 mb/°C. E₂ for this area is given by: E₂=0.0106(1+0.2u)(eç¯ea)
Transcribed Image Text:Please estimate the evaporation rate in in./day using the Penman equation for an air temperature of 90°F (32.2°C), wind speed of 15 mph, relative humidity of 40%, and net radiation flux of 500 ly/day, saturation vapor pressure of 48.1 mb if ▲ for this temperature equals to 2.72 mb/°C. Assume atmospheric pressure is 1000 mb so the psychometric constant (8) is 0.66 mb/°C. E₂ for this area is given by: E₂=0.0106(1+0.2u)(eç¯ea)
Expert Solution
Step 1

Given-

conversion factor for Ea is 2.54 cm/inwind speed u=15 mph,relative humidity es-ea=40%=0.40

It is needed to find the value of Ea.

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