atw 2018-03v6

inforum

atw Vol. 63 (2018) | Issue 3 ı March

ENVIRONMENT AND SAFETY 162

| | Fig. 9.

Results of SD modeling, (a) LOCA and (b) Reactor.

away. So, the external coolant supply

system is introduced in the paper

where the water is poured into the

reactor. The guiding piping or tube

could be equipped for entering the

water into the reactor core. If the

explosion happens, the coolants could

be showering into the reactor core and

its building. New kind of passive

system is expected successfully in the

on-site black out, because the drone

could be operated by battery or

engine.

References

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Aeronautics LTD. Urban Aeronautics

AirMule, http://www.urbanaero.com/

category/airmule/.

| | Cho, Y.J., Bae, S.W., Bae, B.U., Kim, S.,

Kang, K.H. and Yun, B.J. 2016.

Analytical studies of the heat removal

capability of a passive auxiliary feedwater

system (PAFS). Nuclear Engineering

and Design 2016, 248, 306-316.

| | Cho, H.S. and Woo, T.H. 2016.

Mechanical analysis of flying robot for

nuclear safety and security control by

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Nuclear Energy, 94, 138-143.

| | Clancy, L.J. 2006. Aerodynamics.

India: Sterling Book House.

| | Gou, J., Qiu, S., Su, G. and Jia, D. 2009.

Thermal Hydraulic Analysis of a Passive

Residual Heat Removal System for an

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Science and Technology of Nuclear

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| | Ha, T. and Garland, W. 2006. Loss of

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| | Jeong, S.H. and Jung, S.A. 2014. A

quad-rotor system for driving and flying

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| | NASA. 2014. Dynamics of Flight,

National Aeronautics and Space

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| | Park, H.S., Choi, K.Y., Cho, S., Park, C.K.,

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| | Potter, M. and Wibbert, D. 2007.

Schaum’s Outline of Fluid Mechanics

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York (NY): McGraw-Hill Education.

| | SDS. 2014. Introduction to System

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(SDS). Available on:

http://www.systemdynamics.org/

joining/#aboutsd/.

| | The Physics Classroom, Kinematic

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| | The Virtual Nuclear Tourist. 2006.

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Available online: http://www.nucleartourist.com/systems/af.htm.

| | The Smithsonian’s National Air and

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| | Ventana. Vensim code system. 2016.

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Authors

Yun Il Kim

Korea Institute of Nuclear Safety

62 Gwahak-ro, Yuseong-gu

Daejeon 34142

Republic of Korea;

Tae Ho Woo

Department of Mechanical and

Control Engineering

The Cyber University of Korea

106 Bukchon-ro, Jongno-gu

Seoul 03051

Republic of Korea

Environment and Safety

Applied Reliability Assessment for the Passive Safety Systems of Nuclear Power Plants (NPPs) Using System Dynamics (SD) ı Yun Il Kim and Tae Ho Woo

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