Commit e3c77b38 authored by Salko Jr, Robert's avatar Salko Jr, Robert
Browse files

Add more equations for other friction models 

Description:

CASL Ticket # - N/A
parent 24ea04f2

SubKit/build/workbench/input.sch

+2 −0
Original line number Diff line number Diff line
@@ -271,12 +271,14 @@ models{ 
      }

      zigrang{

         Description="Selects the Zigrang-Sylvester friction factor model."

         ### Appearance=":math:`{$\lambda = \left(- 2.0 \log_{10}\right(\dfrac{\epsilon}{3.7D}+\dfrac{2.51}{Re}\left[1.14-2\log_{10}\left(\dfrac{\epsilon}{D}+\dfrac{21.25}{{Re}^{0.9}}\right)\right]\left)\right)^{-2}$`"

         MinOccurs=0

         MaxOccurs=1

         InputTmpl="flag"

      }

      churchill{

         Description="Selects the Churchill friction factor model."

         ### Appearance=":math:`$f_{f} = 2\left[\left(\dfrac{8}{Re}\right)^{12}+\dfrac{1}{(a+b)^{3/2}}\right]^{1/12};a = \left(2.475\ln\left[\dfrac{1}{\left(\dfrac{7}{Re}\right)^{0.9}+0.27\left(\dfrac{\epsilon}{D}\right)}\right]\right)^{16};b = \left(\dfrac{3.753x10^{4}}{Re}\right)^{16}$`"

         MinOccurs=0

         MaxOccurs=1

         InputTmpl="flag"

doc/input_file.rst

+2 −0
Original line number Diff line number Diff line
@@ -351,12 +351,14 @@ zigrang 
:Description: Selects the Zigrang-Sylvester friction factor model.

:Min Occurance: 0

:Max Occurance: 1

:Note: :math:`{$\lambda = \left(- 2.0 \log_{10}\right(\dfrac{\epsilon}{3.7D}+\dfrac{2.51}{Re}\left[1.14-2\log_{10}\left(\dfrac{\epsilon}{D}+\dfrac{21.25}{{Re}^{0.9}}\right)\right]\left)\right)^{-2}$`



churchill

^^^^^^^^^

:Description: Selects the Churchill friction factor model.

:Min Occurance: 0

:Max Occurance: 1

:Note: :math:`$f_{f} = 2\left[\left(\dfrac{8}{Re}\right)^{12}+\dfrac{1}{(a+b)^{3/2}}\right]^{1/12};a = \left(2.475\ln\left[\dfrac{1}{\left(\dfrac{7}{Re}\right)^{0.9}+0.27\left(\dfrac{\epsilon}{D}\right)}\right]\right)^{16};b = \left(\dfrac{3.753x10^{4}}{Re}\right)^{16}$`



custom

^^^^^^