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SMART with trans-critical CO2 power conversion system for maritime propulsion in Northern Sea Route, part 2: Transient analysis

Title
SMART with trans-critical CO2 power conversion system for maritime propulsion in Northern Sea Route, part 2: Transient analysis
Author
김성중
Keywords
Trans-critical CO2 cycle; SMART; Nuclear engine for maritime application; Load following control; Design basis; accident analysis; GAMMA+ cod
Issue Date
2020-12
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
ANNALS OF NUCLEAR ENERGY, v. 150, article no. 10875, Page. 1-15
Abstract
To utilize the Northern Sea Route as a future commercial maritime transport route, a container ship with nuclear power and icebreaking capability was considered as an alternative to fossil fuel engines due to better reliability and reduce greenhouse gas emission. SMART was selected due to the possibility of near-term deployment and a high degree of safety, and a trans-critical CO2 cycle was considered for its power conversion system because of its expected good performance under the selected sailing environment. In part 1, major components and passive systems were designed based on thermodynamic cycle optimization. In part 2, GAMMA + code is modified to simulate CO2 two-phase flow, and the code is validated with experimental data. SMART with trans-critical CO2 cycle is modeled with the modified GAMMA + code to check the controllability of the system under icebreaking conditions, and evaluate safety after an accident event with CO2 Passive Residual Heat Removal System (PRHRS), using a natural circulation loop.
URI
https://www.sciencedirect.com/science/article/pii/S0306454920305739?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/173070
ISSN
0306-4549
DOI
10.1016/j.anucene.2020.107875
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > NUCLEAR ENGINEERING(원자력공학과) > Articles
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