This paper describes an effort by Tokyo Electric Power Company (TEPCO) to shorten the construction time in a drastic manner for the Advanced Boiling Water Reactors (ABWR), thereby aiming at reducing construction costs. First an outline of the actual construction records for the five BWR Units and the two ...

In order to investigate the stability of a nuclear reactor core with an oxide mixture of uranium and plutonium (MOX) fuel installed, channel stability and regional stability tests were conducted with the SIRIUS-F facility. The SIRIUS-F facility was designed and constructed to provide a highly accurate simulation of thermal-hydraulic (channel) instabilities and coupled ...

The Advanced Boiling Water Reactor-II (ABWR-II) is under development, based on the technologies and experiences of ABWR, to further improve the performance and economy. There are new systems and components developed or under development to incorporate into the primary system of ABWR-II. This paper introduces the ...

Standard design certification has been used over the past 20 years to develop NRC approval of Advanced Light Water Reactor (ALWR) designs. The standard design approval approach is intended to remove much of the uncertainty in the regulatory schedule prior to commitment of major funds to construction. The value of the approach has not been tested in the US but it has supported ...

(GE ABWR, ABB-CE SYSTEM 80+, Westinghouse AP600, Westinghouse AP1000) � 3 designs pending approval (GE in Japan & under construction in Taiwan � Westinghouse (600 & 1100 MWe Two-Loop PWR) � Advanced Passive (AP

This paper reports on the current development status of the ABWR-II project, a next generation reactor design based on the ABWR. In the early 90's, a program to develop the next generation reactor for the 21. century was launched, at a time when the first ABWR was still under construction. At the initial ...

This paper reports the result of a study that evaluated the applicability of the seismic isolation system to nuclear power plants. The study focuses on possibilities of a standard design with improved seismic safety of building and equipment for ABWR-II. A base isolation system with laminated lead rubber bearing was applied in the study. Based on the structural design of ...

A methodology has been developed for probability-based standards for low-pressure piping systems that are attached to the reactor coolant loops of advanced light water reactors (ALWRs) which could experience reactor coolant loop temperatures and pressures because of multiple isolation valve failures. This accident condition is called an intersystem loss-of-coolant accident ...

The purpose of this paper is to provide the quantitative evaluation method with regard to the Digital Protection systems (DPSs) that were newly adopted in the ABWR plants and to show the results of level-1 PSA of the ABWR plants. (authors)

Contents include: a contribution to the special issue-1100 MW nuclear power station 2 sets completed and its technical significance-construction of Fukushima Daini Nuclear Power Station, Unit No.3; construction of Kashiwazaki Kariwa, Nuclear Power Station Unit 1; experience in operation of 100% turbine bypass system for nuclear power ...

This article details the advanced nuclear power plant construction techniques that have been perfected overseas and are likely to be integrated into the building of new nuclear plants in the U.S. The author, an engineering consultant, focuses specifically on innovations that Hitachi has made in streamlining plant construction, including prefabrication, ...

GE's latest evolution of the Boiling Water Reactor, the ESBWR, combines improvements in safety with design simplification and component standardization to produce a safer, more reliable nuclear power plant, with lower projected construction costs than plants in operation today. The ESBWR program started in the early 1990's when GE was developing the ...

The Part 50 licensing process establishes a two-step licensing process whereby the U.S. Nuclear Regulatory Commission (NRC) authorizes construction through issuance of a construction permit and authorizes operation by issuance of an operating license. At each stage, the NRC staff conducts technical reviews, and there is potential for public hearings. The ...

The program includes the operation and test evaluation of the SL-1 (ALPR) and an associated design and development program with the objective of obtaining improved, portable, and modularized BWR plants in the low power range. Volume 1 discusses SL-1 plant operational experience, outlines major maintenance and modifications performed, presents plant test activities, ...

An innovative reactor core concept applying spectral shift rods (SSRs) is proposed to improve the plant economy and the operability of the 1700 MWe ABWR-II reactor. The SSR is a new type of water rod, in which a water level is naturally developed during operation and changed according to the coolant flow rate through the channel. By taking advantage of the largeness of the ...

The ABWR Design Verification Program is aimed at restoring confidence in the US licensing process by demonstrating its workability by obtaining USNRC preapproval of GE's ABWR Standard Plant. The purpose of this work is to achieve full NRC approval of the ABWR through the award of an NRC Staff final design approval (FDA) and ...

This report describes a plant model of the advanced BWR (ABWR) plant. The model has been jointly developed by CRIEPI and General Electric Company (GE). This model is designed for combining it with the CRIEPI power system dynamics analysis program and for ...

These two volumes were issued separately, but are cataloged as a unit. The PL-2 is a natural circulation, boiling water reactor plant designed to deliver 1000 kw of net electric power and plant is similar in design to the SL-1 which was operated at NRTS since 1958. Details are given concerning installation of PL-2 in a snow tunnel; however, this reactor is suitable for installation on ...

... Experience in Dam Construction in Permafrost ... of earth dams constructed on ... Descriptors : (*CONSTRUCTION, PERMAFROST), (*DAMS, *ARCTIC ...

In reactor development and evaluation, work is reported on mininzation of the control rod drive mechanism, evaluation of PL-2 core lifetime, response of PL-2 type reactor to steam demand transients, and evaluation of fuel assembly and control system. In plant development and evaluation, work is reported on site adaptation, refueling. modifications to the turbine generator skid, and ...

Prior to the establishment of the Japan Nuclear Energy Safety Organization (JNES), the Nuclear Power Engineering Corporation (NUPEC) of Japan conducted a series of large-scale field tests for the Ministry of Economy, Trade and Industry (METI) of Japan to address various aspects of the soil-structure interaction (SSI) effect on the seismic response of nuclear power plant (NPP) structures. The ...

... Title : Seafloor Construction Experiment, SEACON I - An Integrated Evaluation of Seafloor Construction Equipment and Techniques. ...

... Abstract : The article describes dam construction methods in ... CONSTRUCTION, *ARCTIC REGIONS), (*DAMS, CONSTRUCTION), DESIGN, SOIL ...

An innovative reactor core concept applying spectral shift rods (SSRs) is proposed to improve the plant economy and the operability of the 1700-MW(electric) Advanced Boiling Water Reactor II (ABWR-II). The SSR is a new type of water rod in which a water level is naturally developed during operation and changed according to the coolant flow rate through the channel. By taking ...

General Electric Company`s (GE`s) Advanced Boiling Water Reactor (ABWR) has been approved for operation in Japan, and the final design approval (FDA) by the U.S. Nuclear Regulatory Commission is scheduled for mid-1994. One possible utilization of the ABWR would be to operate with mixed oxide (MOX) fuel with the plutonium made available from the U.S. ...

The current Army Boiling-Water Reactor program is reviewed. Plant design, core analysis, reactor theory development, and health physics studies are discussed for the Portable Low-Power Plants (PL-1 and PL-2). Plans for installing a PL-2 plant in a snow tunnel at Byrd Station in Antarctica are described. (B.O.G.)

...by the applicant's exemptions and departures...and updates to the plant-specific DCD required...Include, in the plant-specific DCD, the...referenced in the U.S. ABWR DCD. B...document for the U.S. ABWR, dated December 1994, for plants referencing this...

... Abstract : Lookout Point Dam, on the Middle ... mechanics features of earth dams recently constructed ... data are reviewed, construction experience is ...

... reviews the experience in construction of artificial foundations in connection with the erection of residential and industrial buildings and structures ...

Page 1. Experiences Constructing a Lightweight SPARC Interpreter for a Dynamic Binary Translator Trek Palmer Department of Computer Science ...

... Title : EXPERIENCES IN THE CONSTRUCTION OF STEAM AND WATER LINES AND BOILERS. Corporate Author : Personal Author(s) : GAYER,P. ...

... Accession Number : ADA002047. Title : Design and Construction Experience in Cities in the Extreme North (Using Norilsk as an Example),. ...

Two advanced boiling water reactors (ABWRs) whose electric output power is 1356 MW have been commercially operated since 1996 and 1997 by the Tokyo Electric Power Company (TEPCO) in Japan. Features of an ABWR are reactor internal pumps (RIPs) placed in the lower plenum and downcomer, peripherally bottom-mounted on the reactor pressure vessel - which should ...

1000 MWe Advanced Boiling Water Reactor has only two main steam lines and six reactor internal pumps, whereas 1350 MWe ABWR has four main steam lines and ten reactor internal pumps. In order to confirm how the differences affect hydrodynamic conditions in the dome and lower plenum of the reactor pressure vessel, fluid analyses have been performed. The results indicate that ...

construction and development of the experiment created in the SEM Design Phase. The contents of the package depends on the proposed experiment design. ...

-2019 3,787 [5] Southern Plant Vogtle 2 units AP1000 2,200 2016-2017 4,745 [6] NRG South Texas 3 & 4 ABWR

To investigate the applicability of existing seismic soil-structure interaction (SSI) computer codes to deeply embedded and/or buried (DEB) structures, Brookhaven National Laboratory (BNL) performed a correlation analysis. The correlation analysis was per...

Appendix A-5 of Draft Regulatory Guide DG-1199 'Alternative Radiological Source Term for Evaluating Design Basis Accidents at Nuclear Power Reactors' provides guidance - applicable to RADTRAD MSIV leakage models - for scaling containment aerosol concentra...

dichiarato da costruttori USA (2008) per gli impianti AP1000 (Westinghouse), ABWR e ESBWR (GE-Hitachi) � dell Reactor) di Areva, AP1000 (Advanced Pressurized) di Westinghouse, ESBWR (General Electric) e IRIS del: 3000 $/kWe; GE-Hitachi ESBWR: 3000 $/kWe; GE-Hitachi ABWR: 3000 $/kWe. I costi dichiarati dalle

enheder) eller GE's ABWR (5 enheder), mens enkelte enheder er baseret p� General Electric's ESBWR og Areva ESBWR designet, mens Areva ventes at indsende en ans�gning om godkendelse af US EPR-enheden i de- cember angiver en konstruktionspris p� 1850 USD/kWe for ABWR enheden og 1600 USD/kWe for ESBWR. Der foreligger

A frame-based technique, including physical frame, logical frame, and cognitive frame, was adopted to perform digital I and C failure events derivation and analysis for generic ABWR. The physical frame was structured with a modified PCTran-ABWR plant simulation code, which was extended and enhanced on the feedwater system, recirculation system, and steam ...

This paper discusses the safety design of the Toshiba Boiling Water Reactor (TOSBWR) which was created {approx}8 years ago. The design concept is intermediate between conventional boiling water reactors (BWRs) and the advanced BWR (ABWR). It utilizes internal pumps and fine motion control rod drive, but the emergency core cooling system (ECCS) configuration is different from ...

The ACRS has been reviewing various advance plant designs for certification. The most active reviews have been for the ABWR, AP600, and System 80+. We have completed the reviews for ABWR and System 80+ and are presently concentrating on AP600. The ACRS gave essentially unqualified certification approval for the two completed reviews, yet,,during the ...

Applying Multi Agents to General Purpose Situational Simulations in Construction Management Amlan does not allow fledgling construction managers to experiment and explore different ways of dealing in fragmentation and specialization of courses and educational experiences. Simulations in ...

1 An Efficient Algorithm for Constructing Optimal Design of Computer Experiments Ruichen Jin, Wei algorithm for constructing optimal experimental designs is developed. There are two major developments designs constructed by these algorithms have been shown to have a good space-filling property. However

Technology areas in the orbital assembly of large space structures are addressed. The areas included

The article describes dam construction methods in permafrost whereby artificial refrigeration is employed to bond structures to subsoils.

The report describes various types of earth dams constructed on frozen soils and presents various methods used for soil stabilization.

The synthesis on the use of warranties in road construction will be of interest to administrators, engineers, designers, and contractors involved with highway design and construction and the procurement process for these services. Experiences with use of ...

The following subjects were discussed: construction subcontracting, the construction process, and the system start-up. The system drawings and sequence of operation are included in appendices. (MHR)

The purpose of the Highway Constructability Guide is to help improve the construction of the highways. The objectives are to identify important issues and to suggest methods and procedures by which the experience acquired building highways can be effectiv...

Approaches developed at Giprokoks for coke-battery construction and reconstruction are considered. Recommendations regarding furnace construction and reconstruction are made on the basis of Ukrainian and world experience.

A number of intermediate sized solar photovoltaic application experiments are currently being fielded in the United States. The purpose of the application experiments is to gain system level experience in the design, construction and operation of large ph...

Definition was completed on a basic flight experiment which will provide data on the construction of

Jun 30, 1998 ... Experiments in Premature Adoption of Constructive Educational Technology rough ... Other available software � Limited computing resources ...

...experience and qualifications to monitor properly all Project construction and progress payments. (If the source lacks such experience...managed by a third party such as a bank or professional construction...

The Stationary Low Power Reactor No. 1 is a three Mw boiling water reactor designed to demonstrate the feasibility of a nuclear reactor to supply electrical power and space heat for remote sites. In addition to performance evaluation the facility provides training for military personnel. The reactor was operated for 1159 hr during the quarter for a total core burnup of 20.3%. Power ...

The reactor concept considered in this paper has a mid/small power output, a compact containment and a simplified BWR configuration with comprehensive safety features. Compact Containment BWR (CCR) is being developed with matured BWR technologies together with innovative systems/components, will provide attractiveness for the energy market in the world due to its flexibility in energy demands as ...

The Tradescantia (flowering plant) experiment packages are constructed of polypropylene plastic to minimize absorption and scattering of the gamma rays from ...

Apr 21, 2011 ... The Tradescantia (flowering plant) experiment packages are constructed of polypropylene plastic to minimize absorption and scattering of the ...

Risk methodology is used to define experiments to be conducted in space which will help to construct

... Title : MBBs experience in the development and production of road vehicles with a chassis of self-supporting plastic sandwich construction. ...

Language: English ...

... A psychological study is described where the experiment was constructed, controlled, and analyzed entirely by a computer. ...

An experimental thermoelectronic laser energy converter (TELEC) was constructed and tested with a 40

... Descriptors : , MAINTENANCE, OPERATION, MAINTENANCE VEHICLES, BULLDOZERS, GENERATORS, RELIABILITY, CONSTRUCTION ...

The design and construction of an advanced swept supercritical airfoil for commercial aircraft to be