A User's Manual for DELSOL3 - prod.sandia.gov - Sandia National ...

) IDENS = 2 Low reflectivity (-0.6), round heliostats
AR same as in equation (1I.C-2)
2 x RADIUS
1.6097 + o.2w6eL + eL - o.01234
K(THT)
0'01914 ) WM2 x RADIUS - HM x AR
(1I.C - 4)
IDENS = 3 User defined, zone by zone
p is specified by DENSIT(K,L), and AAz/2 by AZMSEP(K,L) in the
namelist FIELD.
IDENS = 4 As defined in Reference 11, which uses 1984 cost values,
this option is based on results using an updated parameterization
of shading and blocking data. A distinction is made between
nor t h-fac ing cavities and external receivers.
For cavity receivers,
AR/HM =(62.324 + 0.63E + (3.151 + 0.65E)cost$)B-'
- (0.5375 + 0.085E + (0.1984 -t 0.065E)cos#)
+ (2.253 + 0.21E + (0.842 + 0.16E)cost$)8/100
AAz/WM ~2.16597 - 0.01E - 0.10273~0~4
+ (0.4965 + 3.3247cost$)e/ 100
- (3.3815 + 11.1843~0~#)(8/100)~
For external receivers,
AAx/ WM =2.46812 - 0.04010548 + 0.00092359482
+ ~0~t$(o.i7344593 - 0.009112590e + o.oooi276ie2)
where E = (thermal design power in MW)/100
t$ = heliostat azimuth angle, 0' is south
8 = receiver elevation angle from heliostat in degrees
*
(II.C - 5)
(1I.C - 6)
(1I.C - 7)
(1I.C - 8)