Assessment of RELAP5/MOD3.1 for gravity-driven injection experiment in the core makeup tank of the CARR Passive Reactor (CP-1300) [electronic resource]
The objective of the present work is to improve the analysis capability of RELAP5/MOD3.1 on the direct contact condensation in the core makeup tank (CMT) of passive high-pressure injection system (PHPIS) in the CARR Passive Reactor (CP-1300). The gravity-driven injection experiment is conducted by u...
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Online Access |
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| Corporate Authors: | , |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
U.S. Nuclear Regulatory Commission ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
1996.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Assessment of RELAP5/MOD3.1 for gravity-driven injection experiment in the core makeup tank of the CARR Passive Reactor (CP-1300) |h [electronic resource] |
| 260 | |a Washington, D.C. : |b U.S. Nuclear Regulatory Commission ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 1996. | ||
| 300 | |a 149 p. : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 10/01/1996. | ||
| 500 | |a "nureg/ia--0134" | ||
| 500 | |a "TI97000695" | ||
| 500 | |a Kim, H.J.; Lee, S.I.; No, H.C.; Bang, Y.S. | ||
| 500 | |a Korea Advanced Inst. of Science and Technology, Taejon (Korea, Republic of). Nuclear Engineering Dept. | ||
| 500 | |a Korea Inst. of Nuclear Safety, Taejon (Korea, Republic of) | ||
| 520 | 3 | |a The objective of the present work is to improve the analysis capability of RELAP5/MOD3.1 on the direct contact condensation in the core makeup tank (CMT) of passive high-pressure injection system (PHPIS) in the CARR Passive Reactor (CP-1300). The gravity-driven injection experiment is conducted by using a small scale test facility to identify the parameters having significant effects on the gravity-driven injection and the major condensation modes. It turns out that the larger the water subcooling is, the more initiation of injection is delayed, and the sparger and the natural circulation of the hot water from the steam generator accelerate the gravity-driven injection. The condensation modes are divided into three modes: sonic jet, subsonic jet, and steam cavity. RELAP5/MOD3.1 is chosen to evaluate the cod predictability on the direct contact condensation in the CMT. It is found that the predictions of MOD3.1 are in better agreement with the experimental data than those of MOD3.0. From the nodalization study of the test section, the 1-node model shows better agreement with the experimental data than the multi-node models. RELAP5/MOD3.1 identifies the flow regime of the test section as vertical stratification. However, the flow regime observed in the experiment is the subsonic jet with the bubble having the vertical cone shape. To accurately predict the direct contact condensation in the CMT with RELAP5/MOD3.1, it is essential that a new set of the interfacial heat transfer coefficients and a new flow regime map for direct contact condensation in the CMT be developed. | |
| 650 | 7 | |a Vapor Condensation. |2 local. | |
| 650 | 7 | |a Modifications. |2 local. | |
| 650 | 7 | |a Two-phase Flow. |2 local. | |
| 650 | 7 | |a Gravitation. |2 local. | |
| 650 | 7 | |a High Pressure Coolant Injection. |2 local. | |
| 650 | 7 | |a Pwr Type Reactors. |2 local. | |
| 650 | 7 | |a Natural Convection. |2 local. | |
| 650 | 7 | |a Safety Analysis. |2 local. | |
| 650 | 7 | |a Sensitivity Analysis. |2 local. | |
| 650 | 7 | |a Reactor Safety Experiments. |2 local. | |
| 650 | 7 | |a R Codes. |2 local. | |
| 650 | 7 | |a Reactor Accidents. |2 local. | |
| 650 | 7 | |a Nuclear Power Reactors And Associated Plants. |2 edbsc. | |
| 650 | 7 | |a Nuclear Reactor Technology. |2 edbsc. | |
| 650 | 7 | |a Mathematics, Computers, Information Science, Management, Law, Miscellaneous. |2 edbsc. | |
| 710 | 2 | |a U.S. Nuclear Regulatory Commission. |b Office of Nuclear Regulatory Research. |4 res. | |
| 710 | 2 | |a U.S. Nuclear Regulatory Commission. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/servlets/purl/392845/ |z Online Access |
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