waterprops | R Documentation |
This function calculates water properties that are used in other functions.
dvisc(T = NULL, units = NULL, ret_units = FALSE)
dens(T = NULL, units = NULL, ret_units = FALSE)
specwt(T = NULL, units = NULL, ret_units = FALSE)
kvisc(T = NULL, units = NULL, ret_units = FALSE)
svp(T = NULL, units = NULL, ret_units = FALSE)
surf_tension(T = NULL, units = NULL, ret_units = FALSE)
Ev(T = NULL, units = NULL, ret_units = FALSE)
T |
the water temperature [ |
units |
character vector that contains the system of units [options are
|
ret_units |
If set to TRUE the value(s) returned are of class |
rho, the density of water for the
dens function [{kg}\,{m^{-3}}
or {slug}\,{ft^{-3}}
]
spwt, the specific weight of water for the
specwt function [{N}\,{m^{-3}}
or {lbf}\,{ft^{-3}}
]
mu, the dynamic viscosity of water for the
dvisc function [{N}\,{s}\,{m^{-2}}
or {lbf}\,{s}\,{ft^{-2}}
]
nu, the kinematic viscosity of water for the
kvisc function [m^2 s^{-1}
or ft^2 s^{-1}
].
svp, the saturation vapor pressure of water for the
svp function [N m^{-2}
or lbf ft^{-2}
].
surf_tension, the surface tension of water for the
surf_tension function [N m^{-1}
or lbf ft^{-1}
].
Ev, the bulk modulus of elasticity of water for the
Ev function [N m^{-2}
or lbf ft^{-2}
].
Ed Maurer
#Find kinematic viscocity for water temperature of 55 F
nu = kvisc(T = 55, units = 'Eng')
#Find kinematic viscocity assuming default water temperature of 68 F
nu = kvisc(units = 'Eng')
#Find water density for water temperature of 25 C
rho = dens(T = 25, units = 'SI')
#Find saturation vapor pressure for water temperature of 10 C
vps = svp(T = 10, units = 'SI')
#Find surface tension for water temperature of 10 C
s_tens = surf_tension(T = 10, units = 'SI')
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