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An Experimental Demonstration of the Effective Application of Thermal Energy Storage in a Particle-Based CSP System

Author

Listed:
  • Shaker Alaqel

    (K.A. CARE Energy Research and Innovation Center at Riyadh, Riyadh 11421, Saudi Arabia)

  • Nader S. Saleh

    (K.A. CARE Energy Research and Innovation Center at Riyadh, Riyadh 11421, Saudi Arabia
    Mechanical Engineering Department, King Saud University, Riyadh 11421, Saudi Arabia)

  • Rageh S. Saeed

    (K.A. CARE Energy Research and Innovation Center at Riyadh, Riyadh 11421, Saudi Arabia
    Mechanical Engineering Department, King Saud University, Riyadh 11421, Saudi Arabia)

  • Eldwin Djajadiwinata

    (K.A. CARE Energy Research and Innovation Center at Riyadh, Riyadh 11421, Saudi Arabia)

  • Abdulelah Alswaiyd

    (Mechanical Engineering Department, King Saud University, Riyadh 11421, Saudi Arabia)

  • Muhammad Sarfraz

    (Sustainable Energy Technologies Center, King Saud University, Riyadh 11421, Saudi Arabia
    Georgia Institute of Technology, School of Mechanical Engineering, 771 Ferst Drive, Atlanta, GA 30332, USA)

  • Hany Al-Ansary

    (K.A. CARE Energy Research and Innovation Center at Riyadh, Riyadh 11421, Saudi Arabia
    Mechanical Engineering Department, King Saud University, Riyadh 11421, Saudi Arabia)

  • Abdelrahman El-Leathy

    (Mechanical Engineering Department, King Saud University, Riyadh 11421, Saudi Arabia
    Mechanical Power Engineering Department, Faculty of Engineering, Helwan University, Cairo 11718, Egypt)

  • Zeyad Al-Suhaibani

    (Mechanical Engineering Department, King Saud University, Riyadh 11421, Saudi Arabia)

  • Syed Danish

    (Sustainable Energy Technologies Center, King Saud University, Riyadh 11421, Saudi Arabia)

  • Sheldon Jeter

    (Georgia Institute of Technology, School of Mechanical Engineering, 771 Ferst Drive, Atlanta, GA 30332, USA)

  • Zeyad Almutairi

    (K.A. CARE Energy Research and Innovation Center at Riyadh, Riyadh 11421, Saudi Arabia
    Mechanical Engineering Department, King Saud University, Riyadh 11421, Saudi Arabia
    Sustainable Energy Technologies Center, King Saud University, Riyadh 11421, Saudi Arabia)

Abstract

Tests were performed at the particle-based CSP test facility at King Saud University to demonstrate a viable solution to overcome the limitations of using molten salt as a working medium in power plants. The KSU facility is composed of a heliostat field, particle heating receiver (PHR) at the top of a tower, thermal energy storage (TES) bin, a particle-to-working fluid heat exchanger (PWFHX), power cycle (microturbine), and a particle lift. During pre-commissioning, a substantial portion of the collected solar energy was lost during particle flow through the TES bin. The entrained air is shown to be the primary cause of such heat loss. The results show that the particle temperature at the PHR outlet can reach 720 °C after mitigating the entrained air issue. Additionally, during on-sun testing, a higher temperature of the air exiting the PWFHX than that of the air entering is observed, which indicates the effective solar contribution. Half-hour plant operation through stored energy was demonstrated after heliostat defocusing. Lastly, a sealable TES bin configuration for 1.3 MWe pre-commercial demonstration unit to be built in Saudi Arabia by Saudi Electric Company (SEC) is presented. This design modification has addressed the heat loss, pressure build-up, and contamination issues during TES charging.

Suggested Citation

  • Shaker Alaqel & Nader S. Saleh & Rageh S. Saeed & Eldwin Djajadiwinata & Abdulelah Alswaiyd & Muhammad Sarfraz & Hany Al-Ansary & Abdelrahman El-Leathy & Zeyad Al-Suhaibani & Syed Danish & Sheldon Jet, 2022. "An Experimental Demonstration of the Effective Application of Thermal Energy Storage in a Particle-Based CSP System," Sustainability, MDPI, vol. 14(9), pages 1-15, April.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:9:p:5316-:d:804477
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    References listed on IDEAS

    as
    1. Abdelrahman El-Leathy & Sheldon Jeter & Hany Al-Ansary & Said Abdel-Khalik & Jonathan Roop & Matthew Golob & Syed Danish & Abdulaziz Alrished & Eldwin Djajadiwinata & Zeyad Al-Suhaibani, 2014. "Thermal Performance Evaluation of Two Thermal Energy Storage Tank Design Concepts for Use with a Solid Particle Receiver-Based Solar Power Tower," Energies, MDPI, vol. 7(12), pages 1-16, December.
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