atw 2018-03v6


atw Vol. 63 (2018) | Issue 3 ı March


| | 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



| | AirMule. 2016. Technology, Urban

Aeronautics LTD. Urban Aeronautics



| | 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

radiological monitoring. Annals of

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

Integral Pressurized Water Reactor.

Science and Technology of Nuclear

Installation, 473795.

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

Coolant Accident (LOCA) Analysis for

McMaster Nuclear Reactor through

Probabilistic Risk Assessment (PRA), presented

at 27 th Annual Conference of

the Canadian Nuclear Society, Toronto,

Ontario, Canada, June 11-14, 2006.

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

quad-rotor system for driving and flying

missions by tilting mechanism of rotors:

From design to control. Mechatronics,

24, 1178-1188.

| | NASA. 2014. Dynamics of Flight,

National Aeronautics and Space

Administration (NASA). Available on:

WWW/k- 12/UEET /StudentSite/


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

Yi, S.K., Song, C.H. and Chung, M.K.

2007. Experiments on the Heat Transfer

and Natural Circulation Characteristics

of the Passive Residual Heat Removal

System for an Advanced Integral Type

Reactor. Journal of Nuclear Science and

Technology, 44, 703-713.

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

Schaum’s Outline of Fluid Mechanics

(Schaum's Outlines), 1 st Edition. New

York (NY): McGraw-Hill Education.

| | SDS. 2014. Introduction to System

Dynamics, System Dynamics Society

(SDS). Available on:


| | The Physics Classroom, Kinematic

Equations and Free Fall, 2016. Available


| | The Virtual Nuclear Tourist. 2006.

Emergency Feedwater Systems.

Available online:

| | The Smithsonian’s National Air and

Space Museum. 2014. Roll, Pitch, and

Yaw. Available on: http://howthingsfly.

| | Ventana. Vensim code system. 2016.

Vensim PLE (Evaluation or Educational)

6.4, Ventana Systems, Inc. Available on:


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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