Planck observatory prepares for final shutdown

Physics Today ◽  
2013 ◽  
Keyword(s):  
Final Shutdown

Induced Radioactivity and Waste Classification of Reactor Zone Components of the Chernobyl Nuclear Power Plant Unit 1 After Final Shutdown

2001 ◽  
Vol 136 (1) ◽  
pp. 76-88 ◽  
Author(s):  
Boris K. Bylkin ◽  
Galina B. Davydova ◽  
Yuri A. Zverkov ◽  
Alexander V. Krayushkin ◽  
Yuri A. Neretin ◽  
...  
Keyword(s):  
Power Plant ◽  
Nuclear Power Plant ◽  
Nuclear Power ◽  
Chernobyl Nuclear Power Plant ◽  
Waste Classification ◽  
Reactor Zone ◽  
Final Shutdown ◽  
Nuclear Power Plant Unit ◽  
Induced Radioactivity

scholarly journals Analysis of Chronobyl NPP Actual Costs Using International Structure for Decommissioning Costing

2018 ◽  
pp. 59-64
Author(s):  
D. Stelmakh ◽  
S. Yudin ◽  
Yu. Karpenko ◽  
V. Odynytsia
Keyword(s):  
International Structure ◽  
Final Shutdown

The paper presents the analysis of actual costs for the decommissioning of Chornobyl NPP units 1, 2 and 3 in compliance with the International Structure for Decommissioning Costing ISDC (according to IAEA recommendations) in 2002–2015. The results obtained demonstrate the importance of the soonest possible reconstruction of the infrastructure of ensuring site life sustaining activities immediately after the final shutdown of power units to save resources. It is also a good illustration of the need to accumulate significant costs in NPP operation to create decommissioning infrastructure.

scholarly journals A Prototype Replacement of a 100,000 Hours Operation, 25,000 KW Gas Turbine at Idemitsu Kosan Co., Ltd.

1989 ◽  
Author(s):  
R. Furukawazono ◽  
H. Ishino ◽  
T. Kamata ◽  
M. Kunihiro ◽  
M. Kubota
Keyword(s):  
Gas Turbine ◽  
Waste Heat ◽  
Pressure Ratio ◽  
Load Test ◽  
Commercial Application ◽  
Gas Temperature ◽  
Heavy Distillate ◽  
Final Shutdown ◽  
Near Future ◽  
Base Load

In September 1988, a Hitachi-GE model PG5341 gas turbine installed at the Tokuyama refinery of Idemitsu Kosan Co., Ltd. (Japan) successfully recorded 100,325 hours of base load operation over a period of 13 years with 99.4% reliability. The generated power totalled 1,341,770 MWh at the time of final shutdown. The gas turbine, burning Bunker A oil, LPG, and heavy distillate oil, had been the main equipment in a cogeneration plant with a simple heat recovery steam generator using waste heat from the exhaust gas, plus a refired boiler. It was expected that several costly hot gas path components of this turbine would have to be replaced in the near future, and it was not as fuel efficient as more modern designs, so it was decided to replace the PG5341 with a Hitachi H-25 gas turbine. This new model H-25 is designed to have a rated output of 26,200kW and an efficiency of 32.3% (LHV) at the generator terminals under ISO conditions. By the use of a pressure ratio of 14.7 (up from 10.1) and a combustor outlet gas temperature of 1,260°C (up from 980°C), it is expected that efficiency of gas turbine will be improved relatively by 18.7% on a design basis, compared with the PG5341. A factory full-load test of the prototype H-25 gas turbine was completed in August 1988 with excellent results. This machine has been in place and in operation at the Tokuyama plant since the end of November 1988. This is the first commercial application of the Hitachi H-25 advanced gas turbine.

Dounreay – the final shutdown

Physics World ◽  
1998 ◽  
Vol 11 (7) ◽  
pp. 7-7
Author(s):  
Matin Durrani
Keyword(s):  
Final Shutdown

Radiation characteristics of reactor structures after the final shutdown of a nuclear power plant with VVER

Atomic Energy ◽  
2009 ◽  
Vol 106 (1) ◽  
pp. 73-78 ◽  
Author(s):  
B. K. Bylkin ◽  
A. L. Egorov ◽  
E. A. Zhurbenko ◽  
V. I. Tsofin
Keyword(s):  
Power Plant ◽  
Nuclear Power Plant ◽  
Nuclear Power ◽  
Radiation Characteristics ◽  
Final Shutdown

Decommissioning Planning for Swedish Operating NPPs

2010 ◽  
Author(s):  
Gunnar Hedin ◽  
Mathias Edelborg ◽  
Niklas Bergh ◽  
Jan Carlsson ◽  
Fredrik de la Gardie
Keyword(s):  
Power Plant ◽  
Nuclear Power Plant ◽  
Nuclear Power ◽  
Intermediate Level ◽  
Final Disposal ◽  
Firm Basis ◽  
Final Shutdown ◽  
Final Closure

Decommissioning studies have been carried out for the three BWR units of Oskarshamn nuclear power plant and the three BWR units of Forsmark nuclear power plant. The final closure of these units is far ahead but anyhow there has been a need for developing a more general decommissioning planning basis. The main objectives of the studies have been to establish an estimate of the waste amounts arising from these units during decommissioning and dismantling as well as providing a firm basis for funding of the decommissioning phase for these units. The waste amounts will be used when designing a repository for decommissioning waste of the same type as the existing facility for final disposal of short-lived low and intermediate level waste, the SFR, at Forsmark, Sweden. The broader studies will also be used to verify that the existing national decommissioning fund is of an adequate size. In this paper information is given about the inventory of materials and radioactivity at the time for final shutdown. Furthermore, the resulting waste quantities are estimated. Some other features of the decommissioning planning are also presented.

Dust survey following the final shutdown of TEXTOR: metal particles and fuel retention

2016 ◽  
Vol T167 ◽  
pp. 014059 ◽  
Author(s):  
E Fortuna-Zaleśna ◽  
A Weckmann ◽  
J Grzonka ◽  
M Rubel ◽  
H G Esser ◽  
...  
Keyword(s):  
Metal Particles ◽  
Final Shutdown
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