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Title: Coupled modeling of a directly heated tubular solar receiver for supercritical carbon dioxide Brayton cycle: Structural and creep-fatigue evaluation

Journal Article · · Applied Thermal Engineering
 [1];  [2];  [1];  [1];  [2]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  2. Indian Inst. of Science, Bangalore, KS (India)
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A supercritical carbon dioxide (sCO2) Brayton cycle is an emerging high energy-density cycle undergoing extensive research due to the appealing thermo-physical properties of sCO2 and single phase operation. Development of a solar receiver capable of delivering sCO2 at 20 MPa and 700 °C is required for implementation of the high efficiency (~50%) solar powered sCO2 Brayton cycle. In this work, extensive candidate materials are review along with tube size optimization using the ASME Boiler and Pressure Vessel Code. Moreover, temperature and pressure distribution obtained from the thermal-fluid modeling (presented in a complementary publication) are used to evaluate the thermal and mechanical stresses along with detailed creep-fatigue analysis of the tubes. The lifetime performance of the receiver tubes were approximated using the resulting body stresses. A cyclic loading analysis is performed by coupling the Strain-Life approach and the Larson-Miller creep model. The structural integrity of the receiver was examined and it was found that the stresses can be withstood by specific tubes, determined by a parametric geometric analysis. Furthermore, the creep-fatigue analysis displayed the damage accumulation due to cycling and the permanent deformation on the tubes showed that the tubes can operate for the full lifetime of the receiver.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE Office of Science (SC); USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
AC04-94AL85000; DE AC36-08G028308; IUSSTF/JCERDC-SERIIUS/2012
OSTI ID:
1257788
Alternate ID(s):
OSTI ID: 1257792; OSTI ID: 1397698
Report Number(s):
SAND2016-2443J; SAND2016-5428J; 625539
Journal Information:
Applied Thermal Engineering, Journal Name: Applied Thermal Engineering; ISSN 1359-4311
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 44 works
Citation information provided by
Web of Science

References (7)

An Update on Solar Central Receiver Systems, Projects, and Technologies journal April 2002
Thermal model and thermodynamic performance of molten salt cavity receiver journal May 2010
Modeling and dynamic simulation of the collector and receiver system of 1MWe DAHAN solar thermal power tower plant journal July 2012
Carbon Dioxide Condensation Cycles For Power Production journal July 1968
High-Performance Supercritical Carbon Dioxide Cycle for Next-Generation Nuclear Reactors journal June 2006
The Supercritical Carbon Dioxide Power Cycle: Comparison to Other Advanced Power Cycles journal June 2006
Coupled modeling of a directly heated tubular solar receiver for supercritical carbon dioxide Brayton cycle: Optical and thermal-fluid evaluation journal October 2016

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A review on solar‐assisted gas turbines journal September 2018

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