Resource Demand and Economic Impact of Various Thorium-Based Fuels for Potential Near-Term Use in a Pressure-Tube Heavy Water Reactor

2018 ◽  
Vol 203 (3) ◽  
pp. 232-243 ◽  
Author(s):  
Alberto D. Mendoza España ◽  
Daniel Wojtaszek ◽  
Ashlea V. Colton ◽  
Blair P. Bromley
Keyword(s):  
Economic Impact ◽  
Heavy Water ◽  
Pressure Tube ◽  
Water Reactor ◽  
Resource Demand ◽  
Heavy Water Reactor ◽  
Near Term

scholarly journals ON THE USE OF A CENTRAL THORIUM FUEL ELEMENT IN PRESSURE-TUBE HEAVY-WATER REACTOR FUEL BUNDLES

2018 ◽  
Vol 7 (2) ◽  
pp. 147-155 ◽  
Author(s):  
Michael McDonald ◽  
Megan Moore ◽  
Dan Wojtaszek ◽  
Nicholas Chornoboy ◽  
Geoffrey Edwards
Keyword(s):  
Fuel Element ◽  
Heavy Water ◽  
Fuel Cycle ◽  
Natural Uranium ◽  
Pressure Tube ◽  
Slight Reduction ◽  
Energy Potential ◽  
Thorium Dioxide ◽  
Water Reactor ◽  
Heavy Water Reactor

An incremental approach to introducing thorium to the conventional pressure-tube heavy-water reactor natural uranium fuel cycle is investigated. The approach involves the replacement of the centre fuel element of the bundle with an element of thorium dioxide. Increasing the operating margin of a key safety parameter, the coolant void reactivity, is a prime motivating factor. The analyses showed that the simple use of a single pin of thorium is unlikely to be economically advantageous due to a large burnup penalty and increased fuel costs. However, a slight reduction in the void reactivity is observed, and this approach does allow the exploitation of the energy potential available in thorium as an alternative nuclear fuel resource through the development of a U-233 resource. This bundle concept may also be advantageous from a fuel disposal point of view, as the fuel requires less time in storage before emplacement in a deep geological repository.

Scaling of Natural Circulation Boiling Systems

2003 ◽  
Author(s):  
Kannan N. Iyer ◽  
Aboobacker Kadengal
Keyword(s):  
Steady State ◽  
Characteristic Equation ◽  
Heavy Water ◽  
Natural Circulation ◽  
Pressure Tube ◽  
Water Reactor ◽  
Type Reactor ◽  
Heavy Water Reactor ◽  
Tube Type ◽  
Indian Scenario

This paper lays out the procedure for arriving at the dimensions of a model facility to simulate a pressure tube type reactor. The Advanced Heavy Water Reactor, whose design is being evolved in the Indian scenario, is used as a basis for the evolution of the model facility. The non-dimensional groups that need to be preserved are identified and the design is evolved by satisfying these non-dimensional groups. The inevitable distortions that get introduced are discussed and a suitable compensation procedure evolved. Finally, the evolved model is shown to satisfy both steady state and characteristic equation similarity.

Comparisons between RFSP and MCNP for modeling pressure tube heavy water reactor cores with thorium-based fuels

2018 ◽  
Vol 120 ◽  
pp. 642-655 ◽  
Author(s):  
Huiping Yan ◽  
Cliff Dugal ◽  
Ashlea V. Colton ◽  
Blair P. Bromley ◽  
S. Golesorkhi
Keyword(s):  
Heavy Water ◽  
Pressure Tube ◽  
Water Reactor ◽  
Heavy Water Reactor ◽  
Reactor Cores

Simulations of a Pressure-Tube Heavy Water Reactor Operating on Near-Breeding Thorium Cycles

2016 ◽  
Vol 194 (2) ◽  
pp. 178-191 ◽  
Author(s):  
Sourena Golesorkhi ◽  
Blair P. Bromley ◽  
Matthew H. Kaye
Keyword(s):  
Heavy Water ◽  
Pressure Tube ◽  
Water Reactor ◽  
Heavy Water Reactor ◽  
Reactor Operating
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