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

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1. More Accurate Images from Canted Heliostats<br />

2. When to do Flux Calculations<br />

G. Time Independent Losses<br />

1.<br />

2.<br />

3.<br />

4.<br />

5.<br />

6.<br />

7.<br />

8.<br />

Atmospheric Attenuation: Heliostat to Receiver<br />

Mirror and Receiver Reflectivity<br />

Radiation and Convection Losses from the Receiver<br />

a) IRADFL-0<br />

b) IRADFL-1<br />

lnsulation Losses in Piping Runs<br />

Thermal/Electric Conversion Efficiency<br />

Process Heat Production<br />

Storage Efficiency<br />

Parasitic Loads<br />

H. Energy Calciilat,ion During a Per<strong>for</strong>mance Run<br />

I. Relationship Between Per<strong>for</strong>mance and Optimization Calculations<br />

J. Per<strong>for</strong>iriance of Srnall Systems<br />

IV. System Optimization Calculations<br />

A. Optimization Methods <strong>for</strong> Calculating Per<strong>for</strong>mance and Energy<br />

1.<br />

2.<br />

3.<br />

4.<br />

5.<br />

6.<br />

7.<br />

Cosine<br />

Shadowing and Blocking<br />

Atmospheric Attenuation<br />

‘rower Shadow Scaling<br />

Receiver Losses<br />

Other Component Losses<br />

Calculation of Annual Energy During System Optimization<br />

B. Heliostat Field Buildup<br />

1. No Heliostat Density Optimization (IHOPT=O)<br />

2. Heliostat Density Optimization (IHOPT=l)<br />

3. Effectiveness of Heliostat Density Optimization<br />

C. Variables With Which DELSOL Optimizes<br />

1. Design Point Power Level<br />

2. Tower Height<br />

3. Receiver Dimensions<br />

a) E102ternal R,eceiver Dimensions<br />

b) Flat Plate Receiver Dimensions<br />

c) Cavity Receiver Dimensions<br />

4. Tower Position (Land Constrained Only)<br />

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