How to Calculate and Solve for Water Distribution from Emitter | Irrigation Water Requirement

The image above represents water distribution from emitter.

To compute for water distribution from emitter,two essential parameters are needed and these parameters are Manufacturer’s Co-efficient of Variation (Cvand Number of Emitters per Plant (n).

The formula for calculating water distribution from emitter:

EU = 1 – [0.8Cv / n0.5]

Where:

EU = Water Distribution from Emitter
Cv = Manufacturer’s Co-efficient of Variation
n = Number of Emitters per Plant

Let’s solve an example;
Find the water distribution from emitter when the manufacturer’s co-efficient of variation is 27 and number of emitters per plant is 3.

This implies that;

Cv = Manufacturer’s Co-efficient of Variation = 27
n = Number of Emitters per Plant = 3

EU = 1 – [0.8Cv / n0.5]
EU = 1 – [0.8(27) / (3)0.5]
EU = 1 – [21.6 / 1.732]
EU = 1 – [12.47]
EU = -11.47

Therefore, the water distribution from emitter is -11.47.

Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the water distibution from emitter.

To get the answer and workings of the water distribution from emitter using the Nickzom Calculator – The Calculator Encyclopedia. First, you need to obtain the app.

You can get this app via any of these means:

Web – https://www.nickzom.org/calculator-plus

To get access to the professional version via web, you need to register and subscribe for NGN 2,000 per annum to have utter access to all functionalities.
You can also try the demo version via https://www.nickzom.org/calculator

Android (Paid) – https://play.google.com/store/apps/details?id=org.nickzom.nickzomcalculator
Android (Free) – https://play.google.com/store/apps/details?id=com.nickzom.nickzomcalculator
Apple (Paid) – https://itunes.apple.com/us/app/nickzom-calculator/id1331162702?mt=8
Once, you have obtained the calculator encyclopedia app, proceed to the Calculator Map, then click on Agricultural under Engineering.

Now, Click on Irrigation Water Requirement under Agricultural

Now, Click on Water Distribution from Emitter under Irrigation Water Requirement

The screenshot below displays the page or activity to enter your values, to get the answer for the water distribution from emitter according to the respective parameters which is the Manufacturer’s Co-efficient of Variation (Cvand Number of Emitters per Plant (n).

Now, enter the values appropriately and accordingly for the parameters as required by the Manufacturer’s Co-efficient of Variation (Cvis 27 and Number of Emitters per Plant (n) is 3.

Finally, Click on Calculate

As you can see from the screenshot above, Nickzom Calculator– The Calculator Encyclopedia solves for the water distribution from emitter and presents the formula, workings and steps too.

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