Category Archives: Hydraulics

Steady and Unsteady Flows

A good article on the differences and usages of steady and unsteady flows can be referred as follows. The original article from here, published by Ponce (2011).

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Use Web Imagery in Ras Mapper

Question Hai. I want to use a web imagery from ras mapper. However, i unable to display google hybrid as the web imagery, in which ras mention the error as shown in the second image. How to solve this problem? I … Continue reading

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Soil & Water Assessment Model (SWAT) in QGIS

It is a good news that SWAT can be run in QGIS. This integration is known as QSWAT and can be download from the official website of SWAT ( I include a good tutorial that I found on the internet … Continue reading

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Protected: Hydrology and Hydraulics Software

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What is the difference between Fanning and Moody friction factors?

Which is a correct equation of head loss, Equations 1 or 2? hL = 4fLV2/2gD (Equation 1) hL = flv2/2gd (Equation 2) Equation 1 is applied Fanning equation and Equation 2 is applied Moody equation. For old books and tutorial, … Continue reading

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