output files
Execution of the s30.dat.txt benchmark dataset for laminar Reynolds number combined entry flow in a pipe yields a total of four output files.
s30.out.txt
This file is TEXSTAN's primary output file s30.out.txt
. The contents of this file have been reformatted and presented in the table below. A table of variable definitions is also presented (note: for this output file, kout=8 was used).
| variable |
symbol |
definition |
| intg |
|
integration step |
| x/dh/re |
(x/Dh)/ReDh |
(x divided by the hydraulic diameter) divided by the Reynolds number |
| cf*re |
cf * Re |
friction coefficient-Reynolds number product |
| uclr |
ucl /um |
centerline-to-mass-averaged velocity ratio |
| xplus |
2(x/Dh)/(ReDhPr) |
two times x divided by the hydraulic diameter divided by the Reynolds number-Prandtl number product |
| nu |
Nu |
Nusselt number |
| th,cl |
(Tcl-Ts)/(Tm-Ts) |
ratio of the centerline-to-surface temperature difference to the mass-averaged-to-surface temperature difference |
| tm/ts |
Tm /Ts |
ratio of the mass averaged temperature to the surface temperature |
| ts |
Ts |
surface temperature |
| qflux |
qs" |
surface heat flux |
| intg |
x/dh/re |
cf*re |
uclr |
xplus |
nu |
th,cl |
tm/ts |
ts |
qflux |
| TEXSTAN: July 2007 |
| 5 |
.00003 |
137.95 |
1.037 |
.00007 |
57.858 |
1.018 |
.968 |
3.100E+02 |
2.160E+02 |
| 50 |
.00025 |
55.81 |
1.104 |
.00071 |
20.239 |
1.058 |
.969 |
3.100E+02 |
7.273E+01 |
| 100 |
.00050 |
43.41 |
1.144 |
.00143 |
14.833 |
1.084 |
.970 |
3.100E+02 |
5.202E+01 |
| 150 |
.00092 |
35.35 |
1.192 |
.00264 |
11.365 |
1.118 |
.971 |
3.100E+02 |
3.864E+01 |
| 200 |
.00206 |
27.77 |
1.280 |
.00589 |
8.155 |
1.188 |
.973 |
3.100E+02 |
2.608E+01 |
| 250 |
.00510 |
22.11 |
1.429 |
.01456 |
5.815 |
1.335 |
.976 |
3.100E+02 |
1.655E+01 |
| 300 |
.01240 |
18.63 |
1.652 |
.03543 |
4.441 |
1.585 |
.980 |
3.100E+02 |
1.028E+01 |
| 350 |
.02392 |
17.06 |
1.839 |
.06835 |
3.897 |
1.746 |
.985 |
3.100E+02 |
6.891E+00 |
| 400 |
.04137 |
16.33 |
1.947 |
.11819 |
3.708 |
1.794 |
.990 |
3.100E+02 |
4.506E+00 |
| 450 |
.06550 |
16.07 |
1.986 |
.18714 |
3.665 |
1.799 |
.994 |
3.100E+02 |
2.688E+00 |
| 500 |
.09050 |
16.01 |
1.995 |
.25857 |
3.659 |
1.799 |
.996 |
3.100E+02 |
1.595E+00 |
| 519 |
.10000 |
16.01 |
1.996 |
.28571 |
3.658 |
1.798 |
.997 |
3.100E+02 |
1.309E+00 |
s30.ftn82.txt
The file s30.ftn82.txt has been reformatted and presented in the table below, along with a definitions of the output variables.
| variable |
symbol |
definition |
| intg |
|
integration step |
| x/dh |
(x /Dh) |
x divided by the hydraulic diameter |
| htc |
h |
heat transfer coefficient |
| umean |
um |
mass-averaged velocity |
| nu |
Nu |
Nusselt number |
| intg |
x/dh |
htc |
umean |
nu |
| TEXSTAN: July 2007 |
| 5 |
2.5000001E-02 |
2.1989E+01 |
2.2498E-01 |
5.7858E+01 |
| 20 |
1.0000000E-01 |
1.1703E+01 |
2.2498E-01 |
3.0792E+01 |
| 40 |
2.0000000E-01 |
8.5138E+00 |
2.2498E-01 |
2.2402E+01 |
| ... |
... |
... |
... |
... |
| 480 |
8.0500000E+01 |
1.3910E+00 |
2.2498E-01 |
3.6601E+00 |
| 500 |
9.0500000E+01 |
1.3906E+00 |
2.2498E-01 |
3.6588E+00 |
| 519 |
1.0000000E+02 |
1.3903E+00 |
2.2498E-01 |
3.6583E+00 |
s30.ftn84.txt
The file s30.ftn84.txt has been reformatted and presented in the table below, along with a definitions of the output variables.
| variable |
symbol |
definition |
| intg |
|
integration step |
| x/dh |
(x /Dh) |
x divided by the hydraulic diameter |
| htc |
h |
heat transfer coefficient |
| qflux |
qs" |
surface heat flux |
| tm |
Tm |
mass-averaged temperature |
| ts |
Ts |
surface temperature |
| intg |
x/dh |
htc |
qflux |
tm |
ts |
| TEXSTAN: July 2007 |
| 5 |
2.5000001E-02 |
2.1989E+01 |
2.1596E+02 |
3.0018E+02 |
3.1000E+02 |
| 20 |
1.0000000E-01 |
1.1703E+01 |
1.1298E+02 |
3.0035E+02 |
3.1000E+02 |
| 40 |
2.0000000E-01 |
8.5138E+00 |
8.0992E+01 |
3.0049E+02 |
3.1000E+02 |
| ... |
... |
... |
... |
... |
... |
| 480 |
8.0500000E+01 |
1.3910E+00 |
1.9646E+00 |
3.0859E+02 |
3.1000E+02 |
| 500 |
9.0500000E+01 |
1.3906E+00 |
1.5951E+00 |
3.0885E+02 |
3.1000E+02 |
| 519 |
1.0000000E+02 |
1.3903E+00 |
1.3089E+00 |
3.0906E+02 |
3.1000E+02 |
s30.ftn85.txt
The file s30.ftn85.txt has been reformatted and presented in the table below, along with a definitions of the output variables.
| variable |
symbol |
definition |
| x/dh |
(x/Dh) |
x divided by the hydraulic diameter |
| tauw(I) |
τs |
surface shear stress (I-surface) |
| tauw(E) |
τs |
surface shear stress (E-surface) |
| cf2(I) |
cf /2 |
friction coefficient divided by 2 (I-surface) |
| cf2(E) |
cf /2 |
friction coefficient divided by 2 (I-surface) |
| delp |
ΔP |
pressure drop (reference is initial pressure at entrance, po) |
| x/dh |
tauw(I) |
tauw(E) |
cf2(I) |
cf2(E) |
delp |
| TEXSTAN: July 2007 |
| 2.5000001E-02 |
0.000E+00 |
4.108E-03 |
0.000E+00 |
6.898E-02 |
2.1805E-03 |
| 1.0000000E-01 |
0.000E+00 |
2.370E-03 |
0.000E+00 |
3.979E-02 |
4.1316E-03 |
| 2.0000000E-01 |
0.000E+00 |
1.808E-03 |
0.000E+00 |
3.036E-02 |
5.7891E-03 |
| ... |
... |
... |
... |
... |
... |
| 8.0500000E+01 |
0.000E+00 |
4.772E-04 |
0.000E+00 |
8.012E-03 |
1.9179E-01 |
| 9.0500000E+01 |
0.000E+00 |
4.768E-04 |
0.000E+00 |
8.006E-03 |
2.1090E-01 |
| 1.0000000E+02 |
0.000E+00 |
4.766E-04 |
0.000E+00 |
8.003E-03 |
2.2903E-01 |
