skip to main content
DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Coupled modeling of a directly heated tubular solar receiver for supercritical carbon dioxide Brayton cycle: Optical and thermal-fluid evaluation

Abstract

In single phase performance and appealing thermo-physical properties supercritical carbon dioxide (s-CO2) make a good heat transfer fluid candidate for concentrating solar power (CSP) technologies. The development of a solar receiver capable of delivering s-CO2 at outlet temperatures ~973 K is required in order to merge CSP and s-CO2 Brayton cycle technologies. A coupled optical and thermal-fluid modeling effort for a tubular receiver is undertaken to evaluate the direct tubular s-CO2 receiver’s thermal performance when exposed to a concentrated solar power input of ~0.3–0.5 MW. Ray tracing, using SolTrace, is performed to determine the heat flux profiles on the receiver and computational fluid dynamics (CFD) determines the thermal performance of the receiver under the specified heating conditions. Moreover, an in-house MATLAB code is developed to couple SolTrace and ANSYS Fluent. CFD modeling is performed using ANSYS Fluent to predict the thermal performance of the receiver by evaluating radiation and convection heat loss mechanisms. Understanding the effects of variation in heliostat aiming strategy and flow configurations on the thermal performance of the receiver was achieved through parametric analyses. Finally, a receiver thermal efficiency ~85% was predicted and the surface temperatures were observed to be within the allowable limit for the materialsmore » under consideration.« less

Authors:
 [1];  [2];  [1];  [1];  [1];  [2]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  2. Indian Inst. of Science, Bangalore, KA (India)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC); USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1257787
Alternate Identifier(s):
OSTI ID: 1257793; OSTI ID: 1397700
Report Number(s):
SAND2016-2442J; SAND2016-5427J
Journal ID: ISSN 1359-4311; 625538
Grant/Contract Number:  
AC04-94AL85000; DE AC36-08G028308; IUSSTF/JCERDC-SERIIUS/2012
Resource Type:
Accepted Manuscript
Journal Name:
Applied Thermal Engineering
Additional Journal Information:
Journal Name: Applied Thermal Engineering; Journal ID: ISSN 1359-4311
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES

Citation Formats

Ortega, Jesus, Khivsara, Sagar, Christian, Joshua, Ho, Clifford, Yellowhair, Julius, and Dutta, Pradip. Coupled modeling of a directly heated tubular solar receiver for supercritical carbon dioxide Brayton cycle: Optical and thermal-fluid evaluation. United States: N. p., 2016. Web. https://doi.org/10.1016/j.applthermaleng.2016.05.178.
Ortega, Jesus, Khivsara, Sagar, Christian, Joshua, Ho, Clifford, Yellowhair, Julius, & Dutta, Pradip. Coupled modeling of a directly heated tubular solar receiver for supercritical carbon dioxide Brayton cycle: Optical and thermal-fluid evaluation. United States. https://doi.org/10.1016/j.applthermaleng.2016.05.178
Ortega, Jesus, Khivsara, Sagar, Christian, Joshua, Ho, Clifford, Yellowhair, Julius, and Dutta, Pradip. Mon . "Coupled modeling of a directly heated tubular solar receiver for supercritical carbon dioxide Brayton cycle: Optical and thermal-fluid evaluation". United States. https://doi.org/10.1016/j.applthermaleng.2016.05.178. https://www.osti.gov/servlets/purl/1257787.
@article{osti_1257787,
title = {Coupled modeling of a directly heated tubular solar receiver for supercritical carbon dioxide Brayton cycle: Optical and thermal-fluid evaluation},
author = {Ortega, Jesus and Khivsara, Sagar and Christian, Joshua and Ho, Clifford and Yellowhair, Julius and Dutta, Pradip},
abstractNote = {In single phase performance and appealing thermo-physical properties supercritical carbon dioxide (s-CO2) make a good heat transfer fluid candidate for concentrating solar power (CSP) technologies. The development of a solar receiver capable of delivering s-CO2 at outlet temperatures ~973 K is required in order to merge CSP and s-CO2 Brayton cycle technologies. A coupled optical and thermal-fluid modeling effort for a tubular receiver is undertaken to evaluate the direct tubular s-CO2 receiver’s thermal performance when exposed to a concentrated solar power input of ~0.3–0.5 MW. Ray tracing, using SolTrace, is performed to determine the heat flux profiles on the receiver and computational fluid dynamics (CFD) determines the thermal performance of the receiver under the specified heating conditions. Moreover, an in-house MATLAB code is developed to couple SolTrace and ANSYS Fluent. CFD modeling is performed using ANSYS Fluent to predict the thermal performance of the receiver by evaluating radiation and convection heat loss mechanisms. Understanding the effects of variation in heliostat aiming strategy and flow configurations on the thermal performance of the receiver was achieved through parametric analyses. Finally, a receiver thermal efficiency ~85% was predicted and the surface temperatures were observed to be within the allowable limit for the materials under consideration.},
doi = {10.1016/j.applthermaleng.2016.05.178},
journal = {Applied Thermal Engineering},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {5}
}

Journal Article:

Citation Metrics:
Cited by: 6 works
Citation information provided by
Web of Science

Save / Share:

Works referenced in this record:

Supercritical carbon dioxide Brayton cycle for concentrated solar power
journal, April 2013


Dynamic characteristics of a direct-heated supercritical carbon-dioxide Brayton cycle in a solar thermal power plant
journal, February 2013


Review of high-temperature central receiver designs for concentrating solar power
journal, January 2014


Volumetric receivers in Solar Thermal Power Plants with Central Receiver System technology: A review
journal, May 2011


Theoretical and numerical investigation of flow stability in porous materials applied as volumetric solar receivers
journal, October 2006


Inherent Limitations of Volumetric Solar Receivers
journal, August 1996

  • Kribus, A.; Ries, H.; Spirkl, W.
  • Journal of Solar Energy Engineering, Vol. 118, Issue 3
  • DOI: 10.1115/1.2870891

A New Equation of State for Carbon Dioxide Covering the Fluid Region from the Triple‐Point Temperature to 1100 K at Pressures up to 800 MPa
journal, November 1996

  • Span, Roland; Wagner, Wolfgang
  • Journal of Physical and Chemical Reference Data, Vol. 25, Issue 6
  • DOI: 10.1063/1.555991

    Works referencing / citing this record:

    Modeling of Solar and Biomass Hybrid Power Generation—a Techno-Economic Case Study
    journal, September 2018

    • Suresh, N. S.; Thirumalai, N. C.; Dasappa, S.
    • Process Integration and Optimization for Sustainability, Vol. 3, Issue 1
    • DOI: 10.1007/s41660-018-0069-7