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Current Refinements
Date 1999
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Content Type News (4) Features (12)

The end of Building 779
30 November, 1999

ISOE studies show local effect on dose management
29 October, 1999
Occupational exposure data in the ISOE database makes it possible to study doses related to tasks in the plants. In recent studies, doses related to insulation jobs and to refuelling have been examined, and show that practices are influenced by other reactors in the country, as well as other reactors of the same type. by Stefan Mundigl & Ted Lazo

In praise of being ordinary
29 October, 1999
Nuclear decommissioning is not “dangerous and exciting”. It is familiar.

Decommissioning: a rapidly maturing market
29 October, 1999
The frenetic activity at the American Nuclear Society conference on decommissioning, decontamination and reutilisation reflects the rapid growth in demand and the emergence of new technologies in this field. by Nolan Fell

Using risk as an inspection tool
30 September, 1999
Recollection reveals that in practice, assessing risk has always been an important part of maintenance planning. Now, in both Europe and the USA, risk-based in-service inspection is being formalised and converted into a useful tool.

Life extension: theory into practice
30 September, 1999
Delegates to NEI’s series of PLIM+PLEX conferences used to talk about planning: now they can also bring experience of real projects that are extending the lives of reactors. And now that many reactors are selling power into a deregulated market, an extra day on a reactor lifetime adds all-important dollars to the owner’s bottom line.

Using VISTA to evaluate MOX fuel trends
27 August, 1999
The IAEA’s new model is able to simulate future uranium and fuel cycle service requirements. In one application it considers closed cycle operation and the use of MOX fuel. It achieves this by assuming that future parameters can be estimated by reactor type, instead of forecasting for individual reactors.

US utilities prepare for DOE delays
30 June, 1999
In 1982, United States utilities signed a contract that obligated the Department of Energy (DOE) to begin taking spent fuel from them as of 31 January 1998. As has been clearly established, DOE has not met this obligation and utilities are devising plans to prepare for what they perceive as the worst-case scenario.

Setting out a UK disposal strategy: no time to lose
30 June, 1999
Concerned by a lack of a clear national policy on dealing with radioactive waste, a committee of the UK House of Lords published a report, “Management of Nuclear Waste” which proposed a number of actions. The committee favours a process of “phased geological disposal” – involving surface storage, followed by retrievable and monitored geological emplacement, and finally back-sealing when judged safe to do so. But before a decision can be made, a full public and parliamentary debate is deemed essential. And should there be a renewed demand for nuclear power, a disposal strategy must be in place. In that case, there is no time to lose.

Addressing the legacy
30 June, 1999
A consensus conference, an innovative attempt to involve the public in the debate on nuclear waste, took place in London in May. The results suggest the problems are not too difficult for the public to understand.

US nuclear power - can competition give it renewed life?
28 May, 1999
The US nuclear vendor industry is in a race for its survival. By making license renewals and longer service lives financially attractive, the low operating cost of the industry’s older reactors has bought it time to reduce the capital cost of building new reactors for the US market. While the industry’s growing competitiveness may not yet make it easy to predict the ultimate survival of US nuclear power, recent developments do at least make it harder to predict an early demise.

Japan offers help with Russian Pu
29 April, 1999

Environmental racism reversed
31 March, 1999

Cook pledges help for Russian clean-up
31 March, 1999

A new “designed-for-safety” fast reactor
28 February, 1999
If nuclear power is to become a major energy source in the next century, fast reactors will have an important role to play. The approach taken here was to design for safety, which also ensures enhanced reliability and, ultimately, economic performance. The design proposed is a compact fast reactor with sodium loop circuits and an auxiliary system for reactor vessel cooling. Each loop includes main piping with freezing valve and fast response stop device, a magnetohydrodynamic (MHD) pump and a shell-type steam generator in which heat exchanging panels with activated sodium are separated from steam generating panels by an intermediate cavity. A forced helium circulation is effected in the cavity during reactor operation assuring necessary levels of safety.

Fire & Safety ’99: The Challenge of Success
07 February, 1999
Fire poses a significant risk for nuclear power stations and plant operators have made significant improvements in safety, to the extent that there have been no major fires in the past 3+ years. However, as Len Hathaway, who opens Nuclear Engineering International’s 3rd international Fire & Safety Conference in Frankfurt this month, comments, “success is a double-edged sword” and maintaining the achievements of the past remains a real challenge.

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