Timedependent phenomena are also classified by the time scale over which they occur. A short history of the candu nuclear power system 3 revision 2, december 2002 canada made two early entries into the international power reactor supply field. Schematic diagram of the pressurised heavy water cooled version of a candu canada deuteriumuranium nuclear reactor with hungarian inscriptions. The use of recovered uranium ru in candu is one application that would yield significant economic benefits now, with few technical uncertainties. Candu reactor is a type of nuclear reactor which was developed in. The basic operation of the candu design is similar to other nuclear reactors. A free powerpoint ppt presentation displayed as a flash slide show on id. Canada has exported candu reactors to argentina, china, india, pakistan, romania, and south korea. It combines features of the existing candu pressurised heavy water reactors phwr with features of lightwater cooled pressurized water reactors pwr. They are much better for making weapons grade plutonium since you dont need enriched uranium and you can easily replace fuel rods after a short neutron exposure.
Candu stands for canada deuterium uranium, which reflects the key role of deuterium, or heavy water, which acts as the reactors neutron moderator, a unique trait of the candu. Rouben mcmaster university nuclear reactor analysis ep 4d036d03 2012 janapr 2012 september outline a quick look at the. Although all nuclear plants in the world are based on the nuclear fission process, candu reactors are unique in many of the detailed engineering by which this process is implemented on an industrial scale. Candu nuclear power stations have consistently proven to be competitive with other types of nuclear power plants, while offering unique advantages to their operators. This chapter provides a toplevel introduction to nuclear reactors and surveys. All canadian nuclear reactors are of the candu type but the reactor has also been marketed abroad until october 2011 aecl marketed and.
Heavy water is the key to many of the unique features of. Pdf licensing framework of candu reactors in canada, and. Six types of reactor magnox, agr, pwr, bwr, candu and rbmk have emerged as the designs used to produce commercial electricity around the world. Jul 12, 2017 what makes the candu nuclear reactor superior to other nuclear reactors. Magnox, agr, pwr, bwr, candu and rbmk have emerged as the designs used to produce commercial electricity around the world. Atomic energy of canada limited aecl developed the candu reactor technology starting in the 1950s. The directions and technical development of the candu reactor are. In a nuclear reactor, the heat is the product of nuclear fission. Reactor grade plutonium can be used as a booster fissile fuel material in the form of mixed tho 2 puo 2 fuel in a candu fuel bundle in order to assure reactor criticality.
Nuclear reactors world needs power candu6 canadian deuterium uranium presented by ashok sharma 11166 chitha sai teja 11223 hitesh sahu 111 teaching assistant mr. A cog primary side cleaning joint project primary side cleaning of boilers has been performed about a dozen times in candu reactors over the last two decades with uneven results. Read online candu nuclear thorburn flex book pdf free download link book now. Nuclear reactors are used as research tools, as systems for producing radioactive isotope s, and most prominently as energy sources for nuclear power plants. Fission reactions in the reactor core heat pressurized water in a primary cooling loop. Contemporary candu reactors also use heavy water as primary coolant.
Over the past 20 years, this unique canadian nuclear technology has made a worldwide presence, in addition to 22 candu reactors in canada, there are also. Candu nuclear thorburn flex pdf book manual free download. Its construction began in 1974, it went into service in 1983, and was safely shut down in 2012. The essential candu is brought to you by unene with administrative and sponsorship support from cog. Other fuel concepts being researched for advanced candu designs exploit the potential synergism between candu and the lwr lightwater reactor 2. Nuclear reactor types many different reactor systems have been proposed and some of these have been developed to prototype and commercial scale. Physics codes and methods for candu reactor by shanghai. This site is like a library, you could find million book here by using search box in. Chapter 1 introduction to nuclear reactors prepared by dr.
Candu 6 is our 700 mwe class nuclear power reactor. The essential candu a textbook on the candu nuclear. This cns course will present an extensive overview of the important disciplines in candu reactor technology and safety. Assessment and management of ageing of major nuclear power. Neutron induced fission releases energy plus extra fast neutrons. Comparison of cdf and lrf for internal event atpower for different reactor designs. The candu canada deuterium uranium is a canadian pressurized heavy water reactor. The pressure vessels in the candu nuclear power reactor. Requirements for emergency core cooling systems for candu nuclear power plants, r9. Physics codes and methods for candu reactor by zhu xingguan, cai jianping and chow h. It extends this information into a discussion of reactor physics, particularly as it relates to candu reactors. The course begins with the general principles of reactor configuration required to maintain a selfsustaining chain reaction. Neutron induced fission releases energy plus extra fast.
The gentilly2 candu 6 reactor is owned and operated by hydroquebec. Shorttime phenomena are phenomena in which significant changes in reactor properties occur over times shorter than a few seconds. Operational and aging related changes of the hts throughout its lifetime may lead to restrictions in certain safety system settings and hence some restriction in performance under certain conditions. Qualification of reactor physics toolset for a thoriumfuelled candu reactor. The heated heavy water passes into a utube steam generator similar to the type used in pwrs. The pressurized heavy water phw cooled version was the first type to be developed and is by far the most widely used. The various commercial large power producing reactors are identified and described against a brief background of nuclear reactor principles and key reactor.
Iaeatecdoc1197 assessment and management of ageing of major nuclear power plant components important to safety. This paper deals with the safety analysis for candu 6 nuclear reactors as affected by main heat transport system hts aging. Doppler and power coefficients, which cater to device ejection and short prompt. This chapter presents the main features of a nuclear power plant, so that as each. The water moderator also functions as the primary coolant in light water reactors. Ppt of types of nuclear reactor free download as powerpoint presentation. Our nuclear reactor technology adheres to the latest nuclear industry safety standards with multiple independent safety systems built in to virtually eliminate the chance of an incident, and in the very unlikely event that one might occur, it is designed to contain the harmful effects on both employees and the public. Candu reactor is a type of nuclear reactor which was developed in canada, and is currently used in nuclear power plants for electrical generation in various countries around the world.
This chapter provides a toplevel introduction to nuclear reactors and surveys the world reactor situation. Advanced technologies for candu reactors pdf free download. The basic parts of a nuclear reactor are the core, a moderator, control rods, a coolant, and shielding. Nov 06, 2014 candu energy says its newgeneration nuclear reactors have won the approval of an expert panel in china. In water reactors, the coolant is also the moderator. Schematic diagram of the pressurised heavy water cooled version of a candu canada deuteriumuranium nuclear reactor. What makes the candu nuclear reactor superior to other. This training manual assumes prior knowledge of nuclear theory. All books are in clear copy here, and all files are secure so dont worry about it. Qualification of reactor physics toolset for a thorium. Candu stands for canada deuterium uranium, which reflects the key role of deuterium, or heavy water, which acts as the reactor s neutron moderator, a unique. The candu canada deuterium uranium reactor is a pressurized heavy water reactor of canadian design. This candu textbook is suitable for students, educators, trainers and working professionals at a target level of senior undergraduate year university engineering and science.
The report concluded that the plan for deep geological disposal is technically sound, and that nuclear waste. The course provides an introduction to the basic design, technology, and operation of nuclear reactors. Requirements for emergency core cooling systems for. Fast neutrons are slowed down by a moderator such as water or graphite, allowing chain reaction to take place rapid increase in neutron population. Candu reactors are pressurized heavy watermoderated reactors, often 7 8 chapter 2 nuclear reactor designs steam generator. Candu reactor article about candu reactor by the free. A heat exchanger, also known as a steam generator, transfers the heat to a secondary cooling loop, which powers a steam turbine with an electric generator attached to it for a typical rankine thermodynamic cycle. The outlet header, purification and pressurizer interfaces are also shown. Built on the proven success of candu nuclear technology, and including the most recent safety and technical advances, the enhanced candu 6 ec6 is a generation iii 700 mwe class nuclear power plant that builds on decades of successful commercial candu deployment with natural uranium fuel. Coolant circulates through a nuclear reactor core to transfer the heat away from it and prevent a meltdown that would halt energy production.
Download candu nuclear thorburn flex book pdf free download link or read online here in pdf. Candu canada deutrium uranium it is a canadianinvented,heavy water reactor. Nuclear fission and types of water in steam separators positioned above the core, nuclear reactor like all other thermal power plants, nuclear reactors work by generating heat, which boils water to produce steam to drive the turbogenerators. Nuclear street nuclear power plant news, jobs, and careers.
It will also present the major systems in a nuclear plant, as well as the important candu reactor safety principles and. The essential candu a textbook on the candu nuclear power plant technology. The candu canada deuterium uranium is a canadian pressurized heavywater reactor. Primarily, the candu reactor is a heavy water moderated reactor see related faq. Nuclear reactor, any of a class of devices that can initiate and control a selfsustaining series of nuclear fissions. Figure 7 diagrammatic cross section of a typical phwr candu. In a candu reactor, heavy water flows over fuel rods and extracts heat. Some of the design features and unique characteristics of the candu reactor are. Milgram applied mathematics branch atomic energy of canada limited chalk river, ontario koj 1jo introduction from the earliest days of nuclear power development it has been recognized that world reserves of cheap or easily mined ore bodies containing the fissile isotope u235 are limited, and.
772 1166 1121 1047 1315 1139 1172 803 97 715 246 1288 136 6 361 490 19 874 543 1513 256 982 461 1512 759 672 982 1322 578 1433 833 1397 478 1408 888 1080 1365