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Experimental Study of Quenching Process During Bottom Reflooding Using “Queen” Test Section

Mulya, Juarsa and Anhar R., Antariksawan and Joko, P. and Ismu, H. (2005) Experimental Study of Quenching Process During Bottom Reflooding Using “Queen” Test Section. Atom Indonesia, 31 (1). pp. 47-59. ISSN 0126-1568

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Abstract

Phenomenon of quenching of hot fuels in core during bottom reflooding following loca event is investigated in order to understand the performance cooling process. the study is conducted experimentally using queen test section which allow study of rod surface temperature histories based on which the heat fluxes are estimated. the visual observation is also done to study the boiling regimes. the test variables are initial rod temperature, i.e. 400oc, 500oc and 600oc, and coolant flow rate, i.e. 0,01kg/s, 0.02 kg/s and 0.04 kg/s with constant water inlet temperature of 30oc. the results shows different heat transfer regimes such as film boiling, transition boiling, nucleate boiling and convective single phase heat transfer regimes. for specified initial rod temperature, the higher flow rate provides high rewet velocity and higher maximum heat flux, then quenching process is more effective.

Item Type: Article
Subjects: Reaktor Nuklir > Pemanfaatan Reaktor > Eksperimen Reaktor
Divisions: Pusat Pendayagunaan Informatika dan Kawasan Strategis Nuklir
Depositing User: USER PPIKSN BATAN
Date Deposited: 23 Dec 2020 15:12
Last Modified: 23 Dec 2020 15:12
URI: http://repo-nkm.batan.go.id/id/eprint/10286

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