Multiscale Concentrated Solar Power

David Ginley, R. Aswathi, S. R. Atchuta, Bikramjiit Basu, Saptarshi Basu, Joshua M. Christian, Atasi Dan, Nikhil Dani, Rathindra Nath Das, Pradip Dutta, Scott M. Flueckiger, Suresh V. Garimella, Yogi Goswami, Clifford K. Ho, Shireesh Kedare, Sagar D. Khivsara, Pramod Kumar, C. D. Madhusoodana, B. Mallikarjun, Carolina Mira-HernándezM. Orosz, Jesus D. Ortega, Dipti R. Parida, M. Shiva Prasad, K. Ramesh, S. Advaith, Sandip K. Saha, Shanmugasundaram Sakthivel, Sumit Sharma, P. Singh, Suneet Singh, Ojasve Srikanth, Vinod Srinivasan, Justin A. Weibel, Tim Wendelin

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


This chapter highlights the multiscale concentrated solar power thrust, which focused on developing new low-cost manufacturable technologies for both high- and moderate-temperature thermal cycles. In the high-temperature range, the focus was on the supercritical carbon dioxide (s-CO2) Brayton cycle. Research involved developing low-cost heliostats coupled with novel bladed receivers and a novel CO2 test loop. A key focus was developing a functional testbed to evaluate and optimize the Brayton cycle as a cost-shared effort with the Indian Institute of Science. The project also investigated developing a novel helical receiver to heat the CO2. Extensive computational modeling of the thermal flow and gradients was conducted to develop the novel CO2 cycle. The program also pursued developing low-cost mirrors, absorbers, and troughs for Rankine cycle solar thermal parabolic trough technology. A new small-scale, positive-displacement organic Rankine cycle expander was developed and tested. Solution-based approaches were considered that promise low-cost manufacturing. Coupled with the heat-collection work were investigations of thermal storage approaches. Specifically, new molten salts were developed capable of much higher-temperature performance with improved thermal conductivity, and a new system was developed for low-temperature Rankine systems.

Original languageEnglish (US)
Title of host publicationLecture Notes in Energy
Number of pages46
StatePublished - 2020

Publication series

NameLecture Notes in Energy
ISSN (Print)2195-1284
ISSN (Electronic)2195-1292

Bibliographical note

Publisher Copyright:
© 2020, Springer Nature Switzerland AG.


  • Absorber coating
  • Bladed receiver
  • Brayton cycle
  • Ceramic-based thermal storage
  • Heat-transfer fluid
  • High-temperature receivers
  • Levelized cost of energy
  • Mass flow rate
  • Materials genome
  • Molten-salt storage
  • Parabolic trough collector
  • Positive-displacement organic Rankine cycle (ORC) expander
  • Rankine cycle
  • Solar receiver tube
  • Spectrally selective absorbers
  • Supercritical carbon dioxide (s-CO)
  • Test loop
  • Thermal storage
  • Thermocline
  • Volumetric receiver


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