Recently, the supercritical carbon dioxide Brayton (SCO2) cycle gained a lot of attention for its application to next-generation nuclear reactors. Turbine is the key component of the energy conversion in the thermodynamic cycle. Transonic centrifugal turbine has advantages of compatibility of aerodynamic and geometric, low cost, high power density, and high efficiency; therefore, it has opportunity to become the main energy conversion equipment in the future. In this paper, a transonic nozzle and its corresponding rotor cascade of the single-stage centrifugal turbine were designed. In addition, the three-dimensional (3D) numerical simulation and performance analysis were conducted. The numerical simulation results show that the predicted flow field is as expected and the aerodynamic parameters are in good agreement with one-dimensional (1D) design. Meanwhile, the off-design performance analysis shows that the transonic centrifugal turbine stage has wide stable operation range and strong load adaptability. Therefore, it can be concluded that the proposed turbine blade has good performance characteristics.
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October 2019
Research-Article
Research on a Transonic Supercritical Carbon Dioxide Centrifugal Turbine
Zehai Yang,
Zehai Yang
School of Energy and Power Engineering,
University of Shanghai for Science
and Technology,
Shanghai 200093, China
University of Shanghai for Science
and Technology,
Shanghai 200093, China
Search for other works by this author on:
Dan Luo,
Dan Luo
School of Energy and Power Engineering,
University of Shanghai for Science
and Technology,
Shanghai 200093, China
University of Shanghai for Science
and Technology,
Shanghai 200093, China
Search for other works by this author on:
Diangui Huang
Diangui Huang
School of Energy and Power Engineering,
University of Shanghai for Science
and Technology,
Shanghai 200093, China
e-mail: dghuang@usst.edu.cn
University of Shanghai for Science
and Technology,
Shanghai 200093, China
e-mail: dghuang@usst.edu.cn
1Corresponding author.
Search for other works by this author on:
Zehai Yang
School of Energy and Power Engineering,
University of Shanghai for Science
and Technology,
Shanghai 200093, China
University of Shanghai for Science
and Technology,
Shanghai 200093, China
Dan Luo
School of Energy and Power Engineering,
University of Shanghai for Science
and Technology,
Shanghai 200093, China
University of Shanghai for Science
and Technology,
Shanghai 200093, China
Diangui Huang
School of Energy and Power Engineering,
University of Shanghai for Science
and Technology,
Shanghai 200093, China
e-mail: dghuang@usst.edu.cn
University of Shanghai for Science
and Technology,
Shanghai 200093, China
e-mail: dghuang@usst.edu.cn
1Corresponding author.
Manuscript received August 13, 2018; final manuscript received March 18, 2019; published online July 19, 2019. Assoc. Editor: Jinliang Xu.
ASME J of Nuclear Rad Sci. Oct 2019, 5(4): 041202 (10 pages)
Published Online: July 19, 2019
Article history
Received:
August 13, 2018
Revised:
March 18, 2019
Citation
Yang, Z., Luo, D., and Huang, D. (July 19, 2019). "Research on a Transonic Supercritical Carbon Dioxide Centrifugal Turbine." ASME. ASME J of Nuclear Rad Sci. October 2019; 5(4): 041202. https://doi.org/10.1115/1.4043295
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