Liquid metal fast breeder reactor pdf files

This learning module contains the thermalhydraulics of liquid metal fast breeder reactors. Such an area of inquiry is the breeder reactor, which is currently. A fast breeder reactor can convert uranium238 into plutonium239 at a rate faster than it consumes its fuel mixture of u235 plus pu239 by repeated recycling of the fuel, it should be realistically possible to exploit 50% of the fuel value of the uranium feed. A liquid metal cooled nuclear reactor, liquid metal fast reactor or lmfr is an advanced type of nuclear reactor where the primary coolant is a liquid metal. A lmfbr has exceptional fuel economy when compared with a. Heterogeneous core designs for liquid metal fast breeder. Liquid metal fast breeder reactors lmfbrs are being developed in the united states, russia, great britain, france, germany and japan. A liquid metal fast breeder lmfbr is a type of nuclear reactor which is capable of producing more socalled fissile material than it takes in. Lmfbr priority lmfbr has had a history of over 20 years. Pdf france is the only country in the world ever to operate a commercial scale.

Fast breeder reactor nuclear power plant reactor such reactors are designed to produce more fissile material plutonium than they consume thorium th232. Sodiumcooled fast reactor sfr based on the existing liquidmetal fbr and integral fast reactor designs. A liquid metal fast breeder reactor is so named because during conversion of the fertile material into fissile material use is made of highenergy fast neutrons and the coolant employed is sodium, which remains in the liquid state liquid metal at the prevailing high working temperatures. Liquid metal cooled reactors were first adapted for nuclear submarine use but have also been extensively studied for power generation applications. The designation fast reactor differentiates it from a fast breeder reactor by the absence of a pu.

Fbrs usually use a mixed oxide fuel core of up to 20% plutonium dioxide puo 2 and at least 80% uranium dioxide uo 2. Leadcooled fast reactor lfr based on soviet naval propulsion units. Breeders exhibit remarkable fuel economy compared to light water reactors. Introduction energy production by fast breeding remains the main goal of the liquid metal fast reactor lmfr to ensure a sustainable long term fissile fuel supply. But the clinton administration eventually shut down the u.

Gif, 2014 there is a renewed interest in heavy liquid metal reactor hlmr. Specifically, the module is concerned with the temperature field, the heat transfer rates and the coolant pressure. However, the french fast breeder reactor program turned out to be too costly. Evolution of sodium technology r and d actions supporting french liquidmetal fast breeder reactors article pdf available in nuclear technology 1501. The following reports are available from the superintendent ot documents u s. Materials requirements for liquid metal fast breeder reactors. The use of lmfbrs extends the amount of energy that can be.

The explosion hazard of the liquid metal cooled, fast breeder reactor lmfbr. Mr golan is nuclear power systems manager, research and develop ment for bechtel. Liquid metal fast breeder reactor lmfbr corrosionpedia. A liquid metal fast breeder reactor is so named because during conversion of the fertile material into fissile material use is made of highenergy fast neutrons. The explosion hazard of the liquid metal cooled, fast. A liquid metal fast breeder reactor lmfbr is a nuclear reactor capable of producing more fissile product than it takes in. Are fastbreeder reactors the answer to our nuclear waste. In the manual for the sasdeform4 code, the fuel elastic. A fast breeder reactor is a small vessel in which the required quantity corresponding to critical mass of enriched uranium or plutonium is kept without a moderator. Safety and core design of large liquidmetal cooled fast breeder reactors. Liquid metal use in fast breeder reactors has long been considered for the improvement of efficiency in their heat transfer systems.