sco2 experimental loop and CVR R&D activities

Transcription

1 Research Centre Rez sco2 experimental loop and CVR R&D activities Aleš Vojáček

2 Goals SUSEN sco2 loop Providing a facility to study key aspects of the Brayton cycle (heat transfer, performance of compressor and turbine, erosion, corrosion etc.) with wide range of parameters: temperature up to 550 C, pressure up to 30 MPa The sco2 loop is flexible, easy to modify and suitable for testing key components of the Brayton cycle: compressor and turbine heat exchangers heaters valves 1

3 SUSEN sco2 loop Pressure pulse dumper Low temperature HX Electrical pre-heater High temperature HX Test-section with the main heater Circulation pump - High pressure section - Low pressure section Main water cooler Oil cooler Reduction valve 2

4 SUSEN sco2 loop CVR S-CO 2 loop (SUSSEN) Max. operating temperature: 550 C Max. pressure at high pressure site: (25) 30 MPa Max. pressure at low pressure site: (12,5) 15MPa Max. flow rate: 0,4 kg/s Total heating power: 110 kw Power of the pre heater : 20 kw Power of the main heater : 90 kw 3

5 SUSEN sco2 loop 4

6 SUSEN sco2 loop Manufacturing process Pressure vessels Heat exchangers, heaters, coolers, pipeline system. Other parts are purchased and assembled in CVR All pumps (CO 2, oil, H 2 O,), oil cooler, oil HX, valves, vacuum pump, heatings rods, isolation etc. 5

7 GoFastR / FP7 / / finished Optimisation of CO2 cycle for GFR reactor SUSEN sco2 loop / finishing Design, construction, calculations, fabrication, commissioning COPRO / TAČR / disapproved Partners CVR, UJV, UJV EGP, DOOSAN Goals cycle optimization, basic design of the turbine, material selection, material testing,... 6

8 sco2-hero / H2020 / / ongoing The sco2 loop was used for testing heat transfer components, particularly air heat sink. Further, the turbo machine (compressor, turbine) is tested to verify the numerical results of the performance map. 7

9 sco2-hero / H2020 / / ongoing Experimental data air heat sink T_CO2_in=166 C 3 min. V_air= m3/h m3/h p_co2_in=7.8 MPa m3/h 7.8 MPa 7.8 MPa 6.4 MPa 65 C 55 C T_air_out=50 C m3/h T_CO2_out=34.5 C 34.9 C 35.8 C T_air_in=23.5 C 8

10 Modeling and simulation play a key role in the design phase and performance optimization of the sco2 loop Modeling TH tools for sco2 loop Modelica simulation language (object-oriented, equation based) in Dymola environment complex systems, e.g., systems containing mechanical, electrical, electronic, hydraulic, thermal, control, electric power or process-oriented subcomponents Open source - Modelica library ClaRa (Clasius- Rankine cycles) Dynamic investigation of power processes 9

11 sco2-hero / H2020 / / ongoing Dynamic model of air heat sink 10

12 sco2-hero / H2020 / / ongoing Air heat sink experimental data vs Dynamic model 11

13 sco2-hero / H2020 / / ongoing Air heat sink experimental data vs Dynamic model 12

14 sco2-hero / H2020 / / ongoing Air heat sink experimental data vs Dynamic model 13

15 sco2-hero / H2020 / / ongoing Air heat sink experimental data vs Dynamic model 14

16 sco2-hero / H2020 / / ongoing Air heat sink experimental data vs Dynamic model 15

17 sco2-hero / H2020 / / ongoing Air heat sink experimental data vs Dynamic model 16

18 sco2-hero / H2020 / / ongoing Operating scheme for TG testing 17

19 18 POSITIF / TAČR / 2017 Czech China colaboration/ disapproved Physical properties, heat transfer, critical flow and dynamic oscilation in super-critical media Partners CVR, SJTU, (CVUT) sco2-flex - project for demonstration unite / H2020 start in 2018 develop and optimize the design of a 25 MWe sco2 Brayton cycle and its main components (boiler, HX, turbomachinery, instrumentation and control strategies). Partners: EDF (coordinator), GE, Fives Cryo, Politecnico di Milano, Centro Sviluppo Materiali S.p.A., University of Duisburg-Essen, CVR, University of Stuttgart, ZABALA Innovation Consulting CVR activity proposal sustainability of sco2 SUSEN loop Cycle calculations, TH code validation and/or benchmarking, HX testing, corrosion tests

20 FHR/MSR - potential applications ongoing Fluoride salt cooled High temperature Reactor / Molten Salt Reactor - potential applications for small modular reactors 19