Download VORTEX -NT USER MANUAL

NOMENCLATURE
C
mean concentration
Cp
specific heat of air at constant pressure
C1,C2,CD,Cµ constants of turbulence model
CIN
concentration of inlet air
DELTA_
thickness of building fabric
E
east wall
EPSO_
emissivity of room surface
G
energy generation term
g
gravitational acceleration
H
room height in y direction
HC_(I)
convective heat flux for room surface I
HOBS(I)
heat flux from obstacle I
HR_(I)
radiant heat transfer flux for room surface I
HWIN_(I)
heat flux for window I
h
convective heat transfer coefficient
2
(W/m K)
I, J, K
grid point number in x, y, z direction
ICLO
thermal resistance of clothing
(m2K/W)
ICOMF
flag for thermal comfort calculations
ICON_(I)
grid coordinate of concentration source I
ICONC
flag for concentration calculations
ICOND
flag for fabric heat conduction calculation
IDR
flag for draught risk calculation
IRAD
flag for surface radiation calculation
IWIN_(I)
grid coordinate for window I
k, TK_
thermal conductivity
L
room length in x direction, or left wall
LAYER_
building fabric layer
M
metabolic rate
MAXIT
maximum number of iterations
N
north wall
NCON
number of concentration sources
NI, NJ, NK
total number of grid points in x, y, z directions
NIN
number of inlets
NP
number of monitoring points
NOBS
number of obstacles
NOUT
number of outlets
NWIN
number of windows
PMV
predicted mean vote
PPD
predicted percentage of dissatisfied
PA
water vapour pressure
p
pressure
q
heat production
R
right wall
S
south wall
Sφ
source term
t
time
T_
inside room surface temperature
TIN
inlet air temperature
TAO_
outside air temperature
UNITS
(ppm or mg/m3)
(J/kgK)
(ppm or mg/m3)
(m)
(m/s2)
(m)
(W/m2)
(W/m2)
(W/m2)
(W/m2)
(1 or 0)
(1 or 0)
(1 or 0)
(1 or 0)
(1 or 0)
(W/mK)
(m)
(W/m2)
(%)
(Pa)
(Pa)
(W/m3)
(s)
(oC)
(oC)
(oC)