Functions for basic hydraulic calculations related to water flow in circular pipes both flowing full (under pressure), and partially full (gravity flow), and trapezoidal open channels. For pressure flow this includes friction loss calculations by solving the DarcyWeisbach equation for head loss, flow or diameter, and plotting a Moody diagram. The DarcyWeisbach friction factor is calculated using the Colebrook (or ColebrookWhite equation), the basis of the Moody diagram, the original citation being Colebrook (1939) <doi:10.1680/ijoti.1939.13150>. For gravity flow, the Manning equation is used, again solving for missing parameters. The derivation of and solutions using the DarcyWeisbach equation and the Manning equation are outlined in many fluid mechanics texts such as Finnemore and Franzini (2002, ISBN:9780072432022). For the Manning equation solutions, this package uses modifications of original code from the 'iemisc' package by Irucka Embry.
Package details 


Author  Ed Maurer [aut, cre], Irucka Embry [aut, ctb] (iemisc code) 
Maintainer  Ed Maurer <emaurer@scu.edu> 
License  GPL (>= 3) 
Version  0.3.0 
URL  https://github.com/EdM44/hydraulics 
Package repository  View on CRAN 
Installation 
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