modular helium

Development of HTR Technology | SpringerLink

The modular HTR [67,68,69,70,71,72,73,74,75] has been developed for the generation of hot steam (530 °C/18 MPa) with a power of 200 MW th, and a core outlet helium temperature of 700 °C. This allows electricity production with high efficiency or process heat application like cogeneration (Fig. 13.65 ).

FAST MODULAR REACTOR PRINCIPAL DESIGN CRITERIA …

Fast Modular Reactor Principal Design Criteria Number: 30599T00005 Revision: 1 1 Use or disclosure subject to restrictions on title page of this document. 1 INTRODUCTION General Atomics Electromagnetic Systems (GA-EMS) is developing a 50 MWe helium-cooled Fast Modular Reactor (FMR) [1]. The project has been selected by …

Development and Reactor Integration of Helium Cooled …

recent development in Europe of blankets and divertors, and focussing on the EU modular Helium cooled pebble bed (HCPB) blanket concept. As a geometry relevant for a demonstration reactor, a reactor model of 3300 MW fusion power is assumed. Conceptual design solutions are proposed for (i) blanket segmentation; (ii) curved

GT-MHR Project HighMHR Project High-Temperature …

cooperation between the RF and the USA in development of a gas-turbine modular helium reactor (GT-MHR). The GT-MHR mission declares that the GT-MHR is a project funded in cooperation by the US DOE and the Rosatom, aimed at the solution of one of the most important non-proliferation problems – disposal of weapon-grade plutonium. The GT …

The burnup capabilities of the Deep Burn Modular Helium …

The gas turbine modular helium reactor GT-MHR is one of fourth generation reactors studied in the world. It is a graphite-moderated helium-cooled reactor designed in the United States during the ...

High Temperature Gas Reactors

In the mid-1980s, DOE turned to a smaller modular design (a modular HTGR) with an annular core and steel RPV, and a conceptual design was completed in 1987. Draft Preapplication Safety Evaluation Report for the Modular High-Temperature Gas-Cooled Reactor (NUREG-1338) was written in early 1989. During the late 1980s, the modular …

A Deep Burn Fuel Management Strategy for the

Abstract In the future development of nuclear energy, the graphite-moderated helium-cooled reactors may play an important role because of their valuable technical advantages: passive safety, low cost, flexibility in the choice of fuel, high conversion energy efficiency, high burnup, more resistant fuel cladding, and low power density. General …

Performance analysis of stirling engine double-effect …

Moreover, the results show that the helium mass flow rate of the combined cycle at the same turbine inlet temperature range is lower than that of the standalone Gas Turbine Modular Helium Reactor ...

GT-MHR Overview 2005

MODULAR HTGR DEVELOPMENT MEETS GEN IV GOALS. Modular HTGR first conceptualized in early '80s to provide simple, enhanced SAFETY. Gas …

High Temperature Gas-Cooled Reactors Lessons Learned …

Contract DE-AC07-05ID14517. v EXECUTIVE SUMMARY Over the past five decades, high temperature gas-cooled reactors (HTGRs) have been designed and ... and the use of helium as a primary coolant rather than CO 2. Other lessons learned, 68 in total, are documented in Sections 2 through 6 and will be ... 1.4.10 Gas Turbine-Modular Helium …

A modular, 3D-printed helium-filled soap bubble generator …

Abstract A modular helium-filled soap bubble (HFSB) generator consisting of 3D-printed nozzles and developed for use in a wind tunnel is characterized. A multi-syringe pump accurately feeds bubble film solution (BFS) to each nozzle while air and helium flow rates are regulated using mass flow controllers. The modular design of the system …

Status of the GT-MHR for Electricity Production

The conceptual design of the GT-MHR was previously presented at the 22 Symposium of the Uranium Institute [1], [2], and [3]. Since the 22 Symposium, a preliminary design of the GT-MHR has been completed and a series of reviews of the preliminary design have been conducted. The reviews concluded the least proven areas of the design to be (1) the …

Status Report EM2 (General Atomics) USA DATE …

Energy Multiplier Module (EM2) is a helium-cooled fast reactor with a core outlet temperature of 850°C. It is designed by General Atomics (GA) as a modular, grid-capable power source with a net unit output of 265 MW(e). The reactor converts fertile isotopes to fissile and burns them in situ over a 30-year core life.

The gas-turbine modular helium reactor | Request …

A 50 MWe helium-cooled fast modular reactor (FMR) is under development, and as part of the Department of Energy Integrated Research Project (IRP), Texas A&M …

Numerical analysis of 1/28 scaled NGNP HTGR reactor …

The conceptual design of steam-cycle modular helium reactor (SC-MHR), proposed by General Atomics GA, consists of a vented low pressure ... [National Nuclear Security Administration] under Award Number [DE-NE0008324], in cooperation with AREVA Federal Service LLC (AFS), the Ultra Safe Nuclear Corporation (USNC), and AREVA Inc. …

ASSESSMENT OF PASSIVE DECAY HEAT REMOVAL IN …

Physique de Grenoble (France) Co-Chairs of Advisory Committee: Dr. Kenneth L. Peddicord Dr. Yassin A. Hassan The purpose of this report is to present the results of the study and analysis of loss-of-coolant and loss-of-flow simulations performed on the Modular Helium Reactor developed by General Atomics using the thermal-hydraulics code RELAP5-

(PDF) Long Time Experience with the Development …

The gas turbine modular helium reactor (GT-MHR) was discussed. GT-MHR couples a high temperature gas cooled reactors (HTGR) with a Brayton power conversion …

HIGH TEMPERATURE ALLOYS FOR THE HTGR GAS …

- The Pebble Bed Modular reactor (PBMR) in South Africa, with a gross electrical generation of 117 MWe. The project schedule has been established, with a deployment of a first unit in 2006. - The Gas Turbine Modular Helium Reactor (GT-MHR) developed by an international consortium, with a targeted 286 MWe generation per module, a prototype ...

The Gas-Turbine Modular Helium Reactor

The Gas Turbine – Modular Helium Reactor (GT-MHR) couples a High Temperature Gas-cooled Reactor (HTGR) with a Brayton power conversion cycle to produce electricity at …

Modular Helium Reactor

The modular helium reactor (MHR), which is a thermal reactor that can be used both for hydrogen and electricity production in modules of 600 MWth. Its core consists of …

New Power For. The- Next, Century

5.5 cents per kilowatt hour. Power from modular reactors can be brought to mar ket for 4.5 cents per kilowatt hour. These savings can be realized because the new plants will be made to a single, prelicensed design in central factories. Construction costs are estimated to be less than $1.000 per kilowatt of electricity.

Next Generation Nuclear Plant (NGNP) Prismatic …

The primary overall objective of the project was to develop and document a conceptual design for the Steam Cycle Modular Helium Reactor (SC-MHR), which is the …

The gas-turbine modular helium reactor | Request PDF

The high-temperature characteristics of the modular helium reactor (MHR) make it a strong candidate for producing hydrogen using either thermochemical or high-temperature electrolysis (HTE) processes.

(PDF) Research of Helium Thermal Power System Based on …

The gas turbine-modular helium reactor (GT-MHR) is currently being developed by an international consortium. In this power plant, circulating helium that has to be compressed in a single or two ...

Components of the Helium Cycle | SpringerLink

The helium cycle of modular HTR plants, here the HTR-PM [1, 2], is considered and contains the main components such as the hot gas duct, the steam generator, and the helium circulator.Additionally, a gas purification system, a helium storage, and the helium supply systems are further components belonging to the helium …

Modular HTGR Safety Basis and Approach

2. MODULAR HTGR HISTORY Appendix A describes the history of the international development of High Temperature Gas-Cooled Reactors (HTGRs) from the 1950s to the 1980s. Modular HTGR development began in the 1980s and is described in this section In the 1980s, HTGR designers at the German company INTERATOM, under license to …

Frontiers | An overview of thorium as a prospective natural …

Thorium is a naturally occurring radioactive element that has been identified as a potential alternative fuel for nuclear energy production. Additionally, thorium-based nuclear reactors have inherent safety features that reduce the risk of nuclear accidents and proliferation. As a result, there has been growing interest in the development of thorium …

Multiobjective Optimization of a Novel Solar Tower-Based …

Abstract. In this study, a novel solar tower-based gas turbine-driven multi-generation plant is proposed and analyzed in detail with energy, exergy, economic, and environmental impact analysis. A multiobjective optimization is performed by incorporating all performance indicators simultaneously. The proposed plant consists of an intercooling …

Pebble bed modular reactor—the first Generation IV …

a helium-cooled core utilising carbon-based fuel. The pebble bed modular reactor (PBMR), being developed in South Africa through a worldwide international collaborative effort led by Eskom, the national utility, will represent a key milestone on the way to achievement of the VHTR design objectives, but in the much nearer term.

The Modular Helium Reactor for Hydrogen Production

Abstract. For electricity and hydrogen production, an advanced reactor technology receiving considerable international interest is a modular, passively-safe version of the high-temperature, gas-cooled reactor (HTGR), known in the U.S. as the Modular Helium Reactor (MHR), which operates at a power level of 600 MW(t).