HEAVY WATER MODERATED REACTORS

Journal Article · Mon Feb 01 04:00:00 EST 1960 · Neue Technik

OSTI ID:4175287

Ferrarini, P

The use of heavy water as moderator offers a number of important advantages that was possible to fully realize in the construction of research reactors. Even though up to the present time there were not many opportunities for ac quiring practical experience with heavy water moderated power reactors, our knowledge in the sphere of lattice physics gives us the assurance that no insurmountable difficulties are to be expected in the application of heavy water as moderator. An attempt is made to give a general survey of the problems connected with the modern power reactors using heavy water as a moderator. Two different and important spheres of the problem are distinguished, for the nearer elucidation of which a series of relevant recent reports from the United States are cited. The problems on the one hand deal with the reactor core proper, and on the other hand with the plant for the utilization of energy. The fuel for these reactors consists of natural uranium or at the most of lightly enriched uranium, the behavior of the reactor over a prolonged time period being of special interest. In addition to attempts made to improve the best possible attainable values for the burn up, attention should be given to attaining the highest possible medium values for this item. The utilization of energy from the power reactor is accompanied with the question of the cooling medium and its behavior during operation. From comparisons of results of research in this direction carried out in the United States, it would appear that the high pressure boiling water reactor may be considered as being the most favorable variant for the near future. Other possibilities may offer themselves at a future period such as, for instance, using light water vapor or gases for the purpose of cooling. (auth)

• Research Organization: Gebr. Sulzer A.G., Winterthur, Switzerland
• NSA Number: NSA-14-021157
• OSTI ID: 4175287
• Journal Information: Neue Technik, Journal Name: Neue Technik Vol. Vol: 2, No. 2
• Country of Publication: Country unknown/Code not available
• Language: German

Related Subjects

BOILING
BURNUP
COOLANTS
FLUID FLOW
GAS COOLANT
HEAVY WATER COOLANT
HEAVY WATER MODERATOR
MULTIPLICATION FACTORS
NATURAL URANIUM FUEL
OPERATION
PERFORMANCE
POWER PLANTS
PRESSURE
REACTOR CORE
REACTOR TECHNOLOGY
REACTORS
STEAM
WATER COOLANT