Introduction • Reactor is the heart of Chemical Process. Nuclear Power Plant Working Principle. Workings of a Nuclear Reactor. High-level waste accounts for more than 95% of the radioactivity released in the power generation process from nuclear sources. The power conversion system is based on the same TO EXCHANGE HEAT A heat exchanger is designed to transfer thermal power from one system to another. A nuclear reactor, part of the Nuclear Plant is an important concept in Science & Technology which is part of General Studies paper-3 in the UPSC Syllabus. Most reactors employing fast neutrons fall into the fast breeder reactor category, while most using slow neutrons are called thermal reactors. This is how the sun produces energy. Nuclear reactors are used as research tools, as systems for producing radioactive isotope s, and most prominently as energy sources for nuclear power plants. View Notes - introduction.ppt from NUCLEAR EN 441 at Engineering Institute of Technology. The light-water reactor (LWR) is a type of thermal-neutron reactor that uses normal water, as opposed to heavy water, as both its coolant and neutron moderator – furthermore a solid form of fissile elements is used as fuel. Types of nuclear reactors. Nuclear fusion and Nuclear fission In Nuclear Fusion, energy is released when atoms are combined or fused together to form a larger atom. Fast reactor technology is at the Jason Leiferman. - Nuclear waste is the material that nuclear fuel becomes after it is used in a reactor. Types Of Nuclear Reactions There is two types of Nuclear Reactions i.e. NUCLEAR REACTOR TYPES Many different reactor systems have been proposed and some of these have been developed to prototype and commercial scale. Reactor.. A nuclear reactor is a device in which nuclear chain reactions are initiated, controlled, and sustained at a steady rate, as opposed to a nuclear bomb, in which the chain reaction occurs in a fraction of a second and is uncontrolled causing an explosion. Many are downloadable. • A vessel designed to contain chemical reactions is called a reactor. In some designs the opposite happens if you try to decrease power. Prof. Dr. Şule Ergün Introduction • Instructor: Nuclear fission = splitting an atom into smaller atoms and releasing heat and energy. Reactor physics review : 3: Reactor kinetics and control : 4: Fuel depletion and related effects : 5: MIT reactor physics exercise – power change : 6: Reactor energy removal (PDF - 1.1MB) 7: Design issues: power cycles for nuclear plants - Rankine Cycle : 8: Power cycles for nuclear … A proto-type fusion reactor known as ITER (International Thermonuclear Experimental Reactor) is being built in France and scheduled to produce the ﬁrst plasma by 2018. but since nuclear reactions have occurred, the contents aren’t quite the same. The principles for using nuclear power to produce electricity are the samefor most types of reactor. Nuclear weapons harness a specific type of decay called nuclear fission. Types of Nuclear Reactors - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Eric Lundstrom. Nuclear Reactor Paper Presentation & Seminar Paper Presentation & Seminar Conventional thermal power stations use oil or coal as the source as the source of energy. In the boiling water reactor (BWR), the water which passes over the reactor core to act as moderator and coolant is also the steam source for the turbine. Reactor Design CHE 304 Spring 2013 LCYMEV 4 Types of Reactors 1.. Batch Reactors 2..Continuous Stirred Tank Reactors (CSTR) 3..Tubular Reactors (PFR) 4..Packed Bed ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 6dbae6-YzZhZ Uranium-235 has an extremely large nucleus that can be split when it is hit with a high-speed neutron. Chemical reactors are designed in such a way to increase the net present value for a given reaction and it is done by ensuring highest efficiency to output the desired product. Currently, over 400 such reactors in 30 countries provide about 11 per cent of the world’s electricity. Nowadays, nuclear reactors are classified according to the technological leap they constitute. Active Learning Assignment Semester : 4th Branch : Electrical Engineering Subject : Electrical Power Generation ( ) Topic : “Types of Nuclear Reactor” Prepared… Thermal-neutron reactors are the most common type of nuclear reactor, and light-water reactors are the most common type of thermal-neutron reactor. The type of nuclear reaction generally refers to whether the nuclear reactor uses slow (thermal) neutrons or fast neutrons. reactors, steam drives a turbine directly for propulsion.) Share yours for free! A plant that uses nuclear reactions to produce heat, to make steam. Civilian reactors are used to generate energy for electricity and sometimes also steam for district heating; military reactors create materials that can be used in nuclear weapons; and research reactors are used to develop weapons or energy production technology, for training purposes, for nuclear physics experimentation, and for producing radio-isotopes for medicine and research. NEM441 Nuclear Reactor Engineering 1 Fall 2018 Assoc. Designs focus on passive safety. from the outside, it looks exactly like the fuel that was loaded into the reactor assemblies of metal rods enclosing fuel pellets. There is currently no com-mercial fusion reactors and is not envisioned to be set up for many years. Makes it very difficult / expensive to change designs. A further reactor type, We have also mentioned topics that can be related to Nuclear Reactors … Get ideas for your own presentations. Nasir Hussain Production and Operations Engineer PARCO Oil Refinery Types of Chemical Reactors 2. Thermal reactors are the cheapest and most common, mostly because they can use natural, unenriched uranium. Nuclear reactors are devices to initiate and control a nuclear chain reaction, but there are not only manmade devices.The world’s first nuclear reactor operated about two billion years ago. A nuclear reactor, formerly known as an atomic pile, is a device used to initiate and control a self-sustained nuclear chain reaction.Nuclear reactors are used at nuclear power plants for electricity generation and in nuclear marine propulsion.Heat from nuclear fission is passed to a working fluid (water or gas), which in turn runs through steam turbines. In Nuclear Fission, atoms are split apart to form smaller atoms, releasing energy. The most common nuclear fuels are 235U and 239Pu. Nuclear power reactors produce energy by initiating and controlling a sustained nuclear chain reaction. Reactor types.ppt 1. Types of Reactors:- A chemical reactor is a process equipment where in chemicals are fed in order to make them chemically react with each other for the purpose of making a desired product. Cassie Gallati. The most notable man-controlled nuclear reaction is the fission reaction which occurs in nuclear reactors. Not all nuclear fuels are used in fission chain reactions 4 5. ⦁ Nuclear Power Reactors: Established for the solitary purpose of producing energy and electricity. NUCLEAR FUEL Nuclear fuel is any material that can be consumed to derive nuclear energy. Reactor Basics PWR BWR Key Reactor Power Terms Availability Fraction of time over a reporting period that the plant is operational If a reactor is down for maintenance 1 week and refueling 2 weeks every year, the availability factor of the reactor would be (365-3 * 7) / 365 = 0.94. In the boiling water reactor the same water loop serves as moderator, coolant for the core, and steam source for the turbine.. The IAEA fosters an international information exchange and collaboration on technological innovations in different reactor technologies. At present, India has 21 NRs that are operated with various reactor technologies which produce 5780 MW of electric power. NUCLEAR ENERGY. Nuclear Reactor Types Many different reactor systems have been proposed and some of these have been developed to prototype and commercial scale. Six types of reactor (Magnox, AGR, PWR, BWR, CANDU and RBMK) have emerged as the designs used to produce commercial electricity around the world. Pete Vorpagel. This type of waste is produced after nuclear fuel is burnt and removed from the nuclear reactors. The energy released from continuous fission of the atoms of the fuel is harnessed as heat in either a gas or water, and is used to produce steam. Danielle McGill ... An Atom's nucleus can be split, known as fission, which ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 1ddc9-MDgyY Boiling Water Reactor. In this historical progression, four distinct reactor generations can be discerned. ninsk Nuclear Power Plant  became the world’s ﬁrst to generate around 5 MW of electric power. nuclear fusion reaction (deuterium–tritium reaction). The Nuclear reactors of the future. A further reactor type, the so-called Six types of reactor (Magnox, AGR, PWR, BWR, CANDU and RBMK) have emerged as the designs used to produce commercial electricity around the world. This is the splitting of the nucleus into two smaller fragments. Different Power Reactors - Kandarp Mehta.pptx - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Reactors are categorized broadly into two types: ther-mal and fast reactors. NUCLEAR REACTORS 10 Components of a nuclear reactor NUCLEAR REACTORS 11 Components of a nuclear reactor A STEAM GENERATOR and at low pressure (several bar).