Power control of CiADS core with the intensity of the proton beam
1
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
This paper reports the control method for the core power of the China initiative Accelerator DrivenSystem (CiADS) facility. In the CiADS facility, an intense external neutron source provided by a protonaccelerator coupled to a spallation target is used to drive a sub-critical reactor. Without any control rodinside the sub-critical reactor, the core power is controlled by adjusting the proton beam intensity. Inorder to continuously change the beam intensity, an adjustable aperture is considered to be used at theLow Energy Beam Transport (LEBT) line of the accelerator. The aperture size is adjusted based on theProportional Integral Derivative (PID) controllers, by comparing either the setting beam intensity or thesetting core power with the measured value. To evaluate the proposed control method, a CiADS coremodel is built based on the point reactor kinetics model with six delayed neutron groups. The simulations based on the CiADS core model have indicated that the core power can be controlled stably byadjusting the aperture size. The response time in the adjustment of the core power depends mainly onthe adjustment time of the beam intensity
Abstract
This paper reports the control method for the core power of the China initiative Accelerator DrivenSystem (CiADS) facility. In the CiADS facility, an intense external neutron source provided by a protonaccelerator coupled to a spallation target is used to drive a sub-critical reactor. Without any control rodinside the sub-critical reactor, the core power is controlled by adjusting the proton beam intensity. Inorder to continuously change the beam intensity, an adjustable aperture is considered to be used at theLow Energy Beam Transport (LEBT) line of the accelerator. The aperture size is adjusted based on theProportional Integral Derivative (PID) controllers, by comparing either the setting beam intensity or thesetting core power with the measured value. To evaluate the proposed control method, a CiADS coremodel is built based on the point reactor kinetics model with six delayed neutron groups. The simulations based on the CiADS core model have indicated that the core power can be controlled stably byadjusting the aperture size. The response time in the adjustment of the core power depends mainly onthe adjustment time of the beam intensity
참고문헌 (16)
- Accelerator and Target Technology for Accelerator Driven Transmutation and Energy Production, "H. Aït Abderrahim", 1~23, pp.DOE White Paper on ADS 1.1 (2010)
- M. Salvatores, "The potential of accelerator-driven systems for transmutation or power production using thorium or uranium fuel cycles", Nucl. Sci. Eng, 126, pp.333~340 (1997)[DOI]
- Emerging Nuclear Energy and Transmutation Systems: Core Physics and Engineering Aspects, "IAEA", International Atomic Energy Agency, ~, pp.IAEA-TECDOC-1356 (2003)
- W. L. Zhan, "Advanced fission energy program-ADS transmutation system", Bull. Chin. Acad. Sci, 27, pp.375~381 (2012)
- W. Zeng, "Dynamic simulation of CIADS core power control based on the duty ratio of the proton beam", Prog. Nucl. Energy, 125, pp.103390~ (2020)[DOI]
- Y. M. Kim, "Beam characterization of the low-flux proton beam line at KOMAC for application to radiation effect testing", Nucl. Instrum. Methods Phys. Res. Sect. A Accel. Spectrom. Detect. Assoc. Equip, 950, pp.162971~ (2019)[DOI]
- G. Sahani, "Effects of Alignment of Adjustable Collimator on Dosimetric Parameters of a Telecobalt Machine", Technology in Cancer Research & Treatment, 12(2), pp.151~163 (2013), SAGE Publications[DOI]
- L. Weissman, "SARAF Phase i linac in 2012", J. Instrum, 9 (2012)[DOI]
- H. Niu, "A novel adjustable aperture for beam current controlling at China-ADS low energy beam transport line, Qiangjiguang Yu Lizishu", High Power Laser and Particle Beams, 32, pp.190393~ (2020)[DOI]
- S. H. Liu, "Physics design of the CIADS 25MeV demo facility", Nucl. Instrum. Methods Phys. Res., Sect. A, 843, pp.11~17 (2017)[DOI]
- Z. Wang, "Beam commissioning for a superconducting proton linac", Physical Review Accelerators and Beams, 19, pp.120101~ (2016)
- G. Battistoni, "Overview of the FLUKA code", Ann. Nucl. Energy, 82, pp.10~18 (2015)[DOI]
- P. K. Romano, "The OpenMC Monte Carlo particle transport code", Ann. Nucl. Energy, 51, pp.274~281 (2013)[DOI]
- W. M. Schikorr, "Assessments of the kinetic and dynamic transient behavior of sub-critical systems(ADS)in comparison to critical reactor systems", Nucl. Eng. Des, 210, pp.95~123 (2001)[DOI]
- A. Cammi, "Modelling and control strategy of the Italian LBE-XADS", Prog. Nucl. Energy, 48, pp.578~589 (2006)[DOI]
- Q. Zhang, "Safety analysis of CiADS sub-critical reactor fuel cladding under beam transients", Hedongli Gongcheng, 2018, pp.39, 51~57