Numerical Analysis of Aircraft Impact on Wall of High Temperature Gas-Cooled Reactor Building and Evaporator Cavity

Liang Zhenbin; Nie Junfeng; Wang Haitao

doi:10.13832/j.jnpe.2021.04.0259

Volume 42 Issue 4

Aug. 2021

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Liang Zhenbin, Nie Junfeng, Wang Haitao. Numerical Analysis of Aircraft Impact on Wall of High Temperature Gas-Cooled Reactor Building and Evaporator Cavity[J]. Nuclear Power Engineering, 2021, 42(4): 259-264. doi: 10.13832/j.jnpe.2021.04.0259

Citation:

Liang Zhenbin, Nie Junfeng, Wang Haitao. Numerical Analysis of Aircraft Impact on Wall of High Temperature Gas-Cooled Reactor Building and Evaporator Cavity[J]. Nuclear Power Engineering, 2021, 42(4): 259-264. doi: 10.13832/j.jnpe.2021.04.0259

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Numerical Analysis of Aircraft Impact on Wall of High Temperature Gas-Cooled Reactor Building and Evaporator Cavity

doi: 10.13832/j.jnpe.2021.04.0259

Liang Zhenbin^1
,,
Nie Junfeng^{1, 2
,
,},
Wang Haitao^{1, 2}

1.
Insititute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China
2.
Key Laboratory of Advanced Reactor Engineering and Safety, Ministry of Education, Beijing, 100084, China

Received Date: 2020-05-23
Rev Recd Date: 2021-04-18
Publish Date: 2021-08-15

Abstract

Abstract

It is necessary to consider the external event of large aircraft impact on the reactor, which is very important for the safety evaluation of the reactor. In this paper, based on the finite element model of coupled impact dynamics, an equivalent simulation method of double-layer parallel wall subjected to aircraft impact is proposed, and the impact resistance of the thin square evaporator chamber of a high-temperature gas-cooled reactor (HTGR) against commercial aircraft is studied. The external wall of the reactor building is evaluated by the impact of commercial aircraft impact penetration, and the external wall simulation of the commercial aircraft impact reactor building is carried out. Then the residual kinetic energy curve of the aircraft is obtained. The calculation of the aircraft striking the evaporator compartment assumes that the aircraft has no mass loss after passing through the outer wall and is in good shape, striking the square evaporator chamber at the remaining speed. The evaluation shows that the overall damage of the evaporator compartment structure under impact conditions is small and can provide an important barrier function for protecting the critical internal equipment. Assessment results show that the overall damage of evaporator reactor cavity structure under impact condition is small, so the cavity can provide an important barrier function for the important equipment inside it.
- High temperature gas-cooled reactor(HTGR),
- Evaporator cavity,
- Aero plane impact,
- Finite element analysis,
- Dynamic response

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References(20)

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