! Group general
floform = developing_flow ! flow formulation

  ! Group geometry
xang = 3.14159 ! circumferential extent, radians
diam = 0.05 ! tube inner diameter, m
thck = 0.002 ! wall thickness, m
lng1 = 5.0 ! tube length, m

  ! Group variables solved
solp1 = T ! solve p1
solu1 = T ! solve u1
solv1 = T ! solve v1
solw1 = T ! solve w1
solt1 = T ! solve tem1

  ! Group material properties
flname = use_specified_properties ! name of fluid in case 089
prno = 7.0 ! prandtl number
dnsf = 998.23 ! fluid density, kg/m**3
sphf = 4181.8 ! fluid specific heat, j/(kg*degC)
nulf = 1.006e-6 ! fluid kinematic viscosity, m**2/s
cndf = sphf*nulf*dnsf/prno ! fluid thermal conductivity, w/(m*degC)
texf = 1.18e-4 ! fluid thermal expansient coeff. degC**-1
dnst = 8954.0 ! tube wall density, kg/m**3
spht = 383.0 ! tube wall specific heat, j/(kg*degC)
cndt = 381.0 ! tube wall thermal conductivity, w/(m*degC)

  ! Group model choices
turb = lvel ! turbulence model
gravty = F ! gravity
gravax = 9.81 ! xcart-dir gravitational acceleration, m/s**2
gravay = 0.0 ! ycart-dir gravitational acceleration, m/s**2
gravaz = 0.0 ! zcart-dir gravitational acceleration, m/s**2

  ! Group boundary conditions
winset = from_Re ! inlet velocity setting
reno = 5000 ! reynolds number
wfin = 1.0 ! inlet velocity, m/s
tfin = 80.0 ! inlet temperature, degC
pout = 0.0 ! outlet gauge pressure. bar
tenv1 = 20.0 ! external temperature section 1, degC
envco1 = 1.e+4 ! external heat-tr, coeff. sect.1, W/(m**2*degC)
foures = 0.0 ! fouling resistance m**2 degC/W

  ! Group print to inforout
howmany = 1 ! how many output sets?
prgen = T ! general
prgrge = T ! grid and geometry 
prrepr = T ! ref props 
prdino = T ! dimensionless nos. 
prboco = T ! boundary conds. 
prtumo = T ! turbulence models 
prnum = T ! numerical. 
prntall = F ! print all?

  ! Group computational grid
polar = T ! indicator of polar grid
nxx = 36 ! circumferential interval no.
nrgy = 2 ! radial regions
nrgy1 = 20 ! interval no. in radial region 1
nrgy2 = 2 ! interval no. in radial region 2
nrgz = 1 ! number of longitudinal regions
nrgz1 = 50 ! longitudinal interval no 1

  ! Group numerical
numits = 100 ! number of iterations
toend = T ! continue run to end ?
relxw1 = 0.5 ! relaxation factor for longitudinaal velocity
relxt1 = 0.5 ! relaxation factor for temperature