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TECHNICAL PAPERS

Assessment of a Molten Salt Heat Transfer Fluid in a Parabolic Trough Solar Field

[+] Author and Article Information
D. Kearney

Kearney & Associates, P.O. Box 2568, Vashon, WA 98070

U. Herrmann, P. Nava

Flabeg Solar International, 7 Muhlengasse Strasse, 58070 Koln, Germany

B. Kelly

Nexant, Inc., 101 Second Street, San Francisco, CA 94105

R. Mahoney, J. Pacheco

Sandia National Laboratories, P.O. Box 5800, Albuquerque, NM 87185

R. Cable, N. Potrovitza

KJC Operating Co., 41100 Hwy 395, Boron, CA 93516

D. Blake, H. Price

National Renewal Energy Laboratory, 1617 Cole Blvd., Golden, CO 80401

J. Sol. Energy Eng 125(2), 170-176 (May 08, 2003) (7 pages) doi:10.1115/1.1565087 History: Received April 01, 2002; Revised January 01, 2003; Online May 08, 2003
Copyright © 2003 by ASME
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References

Reilly, H. R. and Kolb, G., 2001, “An Evaluation of Molten-Salt Power Towers Including Results of the Solar Two Project,” SAND2001-3674.
Kearney, D., Kelly, B., Cable, R., Potrovitza, N., Herrmann, U., Nava, P., Mahoney, R., Pacheco, J., Blake, D., and Price, H., 2002, “Evaluation of a Molten Salt Heat Transfer Fluid in a Parabolic Trough Solar Field,” Proc. of Solar 2002, Reno, NE.
Kearney, D., Kelly, B., Cable, R., Potrovitza, N., Herrmann, U., Nava, P., Mahoney, R., Pacheco, J., Blake, D., and Price, H., 2002, “Engineering Aspects of a Molten Salt Heat Transfer Fluid in a Trough Solar Field,” Proc. of 11th SolarPaces Int. Symp. on Concentrating Solar Power and Chemical Energy Technologies, Zurich, Switzerland.
Nexant Inc., 2001, “USA Trough Initiative: Nitrate Salt HTF Rankine Cycle, Steam Generator, and Thermal Storage Analyses,” prepared for NREL.
Pacheco, J. E., Showalter, S., and Kolb, W., 2001, “Development of a Molten Salt Thermocline Thermal Storage System for Parabolic Trough Plants,” Solar Forum 2001, Washington, DC.
Pacheco, J. and Kolb, W., 1997, “Comparison of an Impedance Heating System to Mineral Insulated Heat Trace for Power Tower Applications,” Proc. of ASME Int. Solar Energy Conf., Washington, DC.
Pilkington Solar International (now Flabeg Solar International), 1999, “Solar Steam System Investment Costs,” prepared for NREL, Subcontract No. AAR-9-29442-05.
Price, H., Svoboda, P. and Kearney, D., 1995, “Validation of the FLAGSOL Parabolic Trough Solar Power Plant Performance Model,” Proc. of the ASME/JSME/JSES Int. Solar Energy Conf., Maui, Hawaii.

Figures

Grahic Jump Location
Solar field cooling curves with salt HTF
Grahic Jump Location
Impact of salt HTF on performance for a 55 MW plant with 6-hr storage
Grahic Jump Location
LEC gains from use of calcium nitrate salt as HTF
Grahic Jump Location
Individual effects on LEC of molten salt HTF for system with 6-hr two-tank thermal storage and 450°C outlet

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