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164 n m W * ? 0 F F 0 ( z W /M W) X n 13 u? c 9 'c u? 0 (z W /M W) X nl A 0 r4 0 0 L W L L 5I a,aJ P wc, EU E C 0 C a r a, s-l I U U > a,
c REFERENCES 1. Leary, P. and Hankins, J., “A User’s Guide for MIRVAL-Computer Code for Comparing Designs of Heliostat Receiver Optics for Central Receiver Solar Power Plants,” Sandia National Laboratories, Livermore, SAND77- 8280, February 1979. 2. Biggs, F. and Vittitoe, C. N., “HELIOS: A Computer Program for Mod- eling the Solar Thermal Test Facility - A User’s Guide,” Sandia National Labor a tories, AI buquerque, SAND 76-0346, March 1979. 3. Walzel, M. D., Lipps, F. W., and Vant-Hull, L. L., “A Solar Flux Den- sity Calculation for a Solar Tower Concentrator Using a Two-Dimensional Hermite Function Expansion,’’ Solar Energy, Vol. 19, pp. 239-253 (1977). 4. Lipps, F. W. and Vant-Hull, L. L., “A Cellwise Method for the Optimiza- tion of Large Central Receiver Systems,” Solar Energy, Vol. 20, pp. 505- 516 (1978). 5. Dellin, T. A., “An Improved Hermite Expansion Calculation of the Flux Distribution from Heliostats,” Sandia National Laboratories, Livermore, SAND79-8619, June 1979. 6. Stoddard, M. C., “Revised Thermal Loss Calculations for DELSOLZ- External Receivers,” Sandia memo, August 13, 1985. 7. Falcone, P. K., “DELSOL Estimation of Cavity Receiver Thermal Losses,” Sandia memo, May 6, 1985. 8. Arizona Public Service Co., “Preliminary Design of a Solar Central Re- ceiver for a Site-Specific Repowering Application (Saguaro Power Plant,” Final Report, Cooperative Agreement DE-FC03-82SF11675-3, September 1983. 9. Atomics International, “Conceptual Design of Advanced Central Receiver Power Systems (Sodium Cooled Receiver Concept) ,” Midterm Report to Sandia National Laboratories, Vol. I, py. 6-23 - 6-32 (May, 1978). 10. Pomeroy, Bruce (General Electric), letter and attachments to Jim B. Woodard of Sandia National Laboratories, Livermore, CA (Dec. 1978). 11. Vant-Hull, L. (University of Houston), letter and attachments to P. K. Falcone of Sandia National Laboratories, Livermore, CA (July 25, 1985). 12. McDonnell Douglas, “Central Receiver Solar Thermal Power System, 165
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- SANDIA REPORT SAND86-8018 Unlimit
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SAND 86-8018 Unlimited Release Prin
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' The computer code which this repo
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I. Introduction CONTENTS A. Differe
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1. More Accurate Images from Canted
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VII. Comparison of DELSOL, MIRVAL,
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111-1 Insolation Models 111-2 Atmos
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A USER’S MANUAL FOR DELSOLS: A CO
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owing, blocking, atmospheric attenu
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The fourth major enhancement in DEL
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W- 26 S ? Jr RECEIVER NORMAL COORDI
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ZONE FlEL 180" Figure 11-3. Surroun
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30 ZONE 60 Figure 11-4. Method of Z
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Figure 11-5. North-only Field (INOR
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34 N' Figure 11-6. Code Defined Fie
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36 Figure 11-7. Schematic Diagram o
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-SLEW (1)- Figure 11-8. Example of
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Figure 11-9. Radial Stagger Arrange
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Note that when IDENS=l or 2 the azi
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J1.D. Heliostats Either rectangular
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Given that heliostats will be mass
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(A) FLAT REFLECTED RAY FROM (B) FOC
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IROUND = 0 WM = 9.91 (m) HM = 9.93
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That is, the aperture is always loc
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controlled by the IAUTOP parameter
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only be used with rectangular cavit
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grid of points on the DELSOL assume
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W E Figure 11-17. Flux Points on a
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flux point grid defined during syst
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To see whether this problem is occu
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Cal cul ati onal Day 1 2 3 4 5 Tabl
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1II.B-I. Position 01 the Sun-The su
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where SO is given by Equation (1II.
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c 0 w V c LL .r a 0 0 0 0 0 s /s 0
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1II.C. Field Performance Calculatio
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1II.F. Flux Density and SDillane Th
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III. G-1. Atmospheric Attenuation:
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eceiver) or with aperture area (cav
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In other words, PLOST,R is the same
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Following the approach in the previ
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86 - - - LLLLLL www CLee o m 4 I i
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This approximate method of calculat
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RECEIVER STARTUP WEATHER SUN PARASI
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111.1. Relationship Between Perform
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IV. System Optimization Calculation
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power and annual energy. Section 11
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, . IV.A-7. Calculation of Annual E
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. production. When each design powe
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large enough fraction of total capi
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_____ Table IV-2. Design Parameters
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DELSOL will examine NUMHTW (520) eq
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The final step of cavity receiver o
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. furthermore, that the assumed tur
Page 113 and 114: point in the NMXFLX(1) array (I=l,
Page 115 and 116: , flux level. DELSOL determines the
Page 117 and 118: optimum for any power level is 13.
Page 119 and 120: I V. System Costs and Economics Whi
Page 121 and 122: for meteorological equipment. The d
Page 123 and 124: 0 co I I I 0 co J 0 c\! c, 0 3 Ln 0
Page 125 and 126: w/2 x RWCAV W/2 x RWCAV IN (180. -
Page 127 and 128: S M ~ , = ~ solar F multiple for re
Page 129 and 130: nSTOR is determined from an assumed
Page 131 and 132: CTK,REF (CSTREF) = $9.70 x loG VTK,
Page 133 and 134: XHE,A = scaling exponent. ni is cal
Page 135 and 136: . CCFIXED = 2.OE6 +'0.14 x DCC + 0.
Page 137 and 138: (V.B - 6) The discount rate rDIS is
Page 139 and 140: VI. Program Flow DELSOL can be used
Page 141 and 142: .I c to reach a certain design powe
Page 143 and 144: an optimum storage size based on en
Page 145 and 146: I Read i n N + K t x ] ITAPE=O or 1
Page 147 and 148: Read in System Definition from File
Page 149 and 150: . TABLE VI-2 OUTPIJT FROM OPTIMIZAT
Page 151 and 152: ) Power level specific for detailed
Page 153 and 154: V1.B. DescriDtion of Subroutines in
Page 155 and 156: C cy c: C C
Page 157 and 158: L C c C c C c: C c C C c C C C c: c
Page 159: C C C C C C C C C C C C C C C C C C
Page 162 and 163: At the time of the comparisons MIRV
Page 166 and 167: 166 Phase 1; CDRL Item 2, Pilot Pla
Page 168 and 169: 168 43. Vittitoe, C. N. et al., “
Page 170 and 171: since the values have been already
Page 172 and 173: Title Card $BASIC$ $FIELD$ $HSTAT$
Page 174 and 175: IPROB NYEAR HRDEL UDAY UTIME NUAZ N
Page 176 and 177: TDESP PLAT ALT INSOL SOLCON IWEATH
Page 178 and 179: REFTIM REFSOL ASTART IATM ATMl ATM2
Page 180 and 181: IHPR NLAND XTOWER YTOWER (I= 1 ,NLA
Page 182 and 183: 182 1 1-40 2 1-10 11-20 3 1-10 11-2
Page 184 and 185: SIGTX SIGTY ICANT NCANTX NCANTY HCA
Page 186 and 187: THT TOWL TOWD IREC W H RRECL IAUTOP
Page 188 and 189: For cavities or flat plates, the fo
Page 190 and 191: NXFLX FAZMIN FAZMAX 190 AZMF (North
Page 192 and 193: NMXFLXY) identifies the exact point
Page 194 and 195: REFPRL FSP FEP EFFSTR PF SMULT IP H
Page 196 and 197: IHOPT NUMTHT THTST THTEND NUMREC WS
Page 198 and 199: SMULT IPLFL(1) (I=l ,NUMOPT) IPROPT
Page 200 and 201: CH CL CWR CWDR CWDA ITHT CTOWl CTOW
Page 202 and 203: ICHE CHEREF PHEREF XHEP APHREF PPHR
Page 204 and 205: CKNREF PKNREF XKN 204 Sodium-to-sal
Page 206 and 207: TC TR FDEBT RDEBT ROE IDEP NDEP NYO
Page 208 and 209: The next set of cards is read at th
Page 210 and 211: value of insolation from the specif
Page 212 and 213: For optimizing cavity depth, the IO
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For the final detailed performance
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from that specified during the opti
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Sample Problem 4 - User Defined Fie
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GLOSSARY Absorber: The portion of t
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Heat Exchanger: A component in whic
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Receiver System Efficiency: The rat
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Variable AEVMAX AEVREF AFDC ALP(I)
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Variable H H20 HCANT HM HPANL HRDEL
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Variable PARL7,PARLI) PARL9,PARLlO
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Variable W WEATH WEND WM WPANL WST
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Analysis Review and Critique 6503 8
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Martin Marietta Aerospace P.O. Box
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Stone and Webster Engineering Corpo
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