Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Auxiliary heat removal structure
Patent
1995-10-03
1997-08-26
Wasil, Daniel D.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Auxiliary heat removal structure
376299, G21C 1518
Patent
active
056617704
ABSTRACT:
A passive emergency water system for cooling the atmosphere inside containment in a water-cooled nuclear reactor comprises an elevated water reservoir connected to an in-containment heat exchanger. The heat exchanger promotes natural convection of containment atmosphere and heat transfer. Heat from containment atmosphere is transferred to the reservoir by the in-containment heat exchanger via a convective return flowpath. The heat exchanger is preferably an elevated tube bank and the reservoir is preferably external to containment. Baffle walls can be used inside containment to promote circulation of containment atmosphere.
REFERENCES:
patent: 3984282 (1976-10-01), Kleimola
patent: 4050983 (1977-09-01), Kleimola
patent: 4210614 (1980-07-01), Kleimola
patent: 4666661 (1987-05-01), Fredell et al.
patent: 4687626 (1987-08-01), Tong
patent: 4738818 (1988-04-01), Cantineau
patent: 4889682 (1989-12-01), Gou et al.
patent: 4948554 (1990-08-01), Gou et al.
patent: 4959193 (1990-09-01), Hunsbedt et al.
patent: 5049353 (1991-09-01), Conway et al.
patent: 5154877 (1992-10-01), Schultz et al.
patent: 5190720 (1993-03-01), Hunsbedt et al.
patent: 5202083 (1993-04-01), Spinks et al.
patent: 5267281 (1993-11-01), Gillett et al.
patent: 5276720 (1994-01-01), Oosterkamp et al.
patent: 5282230 (1994-01-01), Billig et al.
W.P. Beck et al., "Candu Passive Heat Rejection Using the Moderator" International Conference on New Trends in Nuclear System Thermohydraulics, Pisa, May, 1994.
F.J. Erbacher et al., "Passive Containment Cooling by Natural Air Convection for Next Generation Light Water Reactors":, Nureth-5, Salt Lake City, 1992.
M. Gavrilas et al., "Gothic Code Evaluation of Alternative Passive Containment Cooling Features" presented in Toronto, Oct. 21, 1994 at the Third International Conference on Containment Design and Operation.
H. Oikawa et al., "Heat Removal Passive Containment Cooling Systems During Loss of Coolant Accident", Journal of Nuclear Science and Technology, 28 [10], pp. 907-920, Oct. 1991.
Y. Kataoka et al., "Experimental Study on Heat Removal Characteristics for Water Wall type Passive Containment Cooling System", ANP '92, Tokyo, Oct. 1992.
H. Nagasaka et al., "Study of a Natural-Circulation Boiling Water Reactor with Passive Safety", Nuclear Technology, vol. 92, pp. 260-268, Nov. 1990.
S. N. Tower et al., "Passive and Simplified System Features for the Advanced Westinghouse 600 MWe PWR", Nuclear Engineering and Design, 109 (1988), pp. 147-154.
Atomic Energy of Canada Limited
Wasil Daniel D.
LandOfFree
Passive emergency water system for water-cooled nuclear reactors does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Passive emergency water system for water-cooled nuclear reactors, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Passive emergency water system for water-cooled nuclear reactors will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1993688