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Naval Nuclear Laboratory | Naval Nuclear Propulsion Program

With a staff of nearly 7,000 engineers, scientists, technicians, and support personnel, the Naval Nuclear Laboratory's mission is to develop the most advanced naval nuclear propulsion technology and to provide technical support for the continued safe, reliable operation of all existing naval reactors.

Princeton Fusion Reactor Sets a Power Record - The New .

Nov 08, 1994 · AN experimental fusion reactor at Princeton University has set another world record by generating 10.7 million watts of power, considered a crucial step .

Wastewater Technology Fact Sheet: Sequencing Batch Reactors

Source: AquaSBR Design Manual, 1995. Once the key design parameters are determined, the number of cycles per day, number of basins, decant volum e, reactor size, and detention times can be calculated. Additionally, the aeration equipment, decanter, and associated piping can then be sized.

How to build a catalytic test reactor

classification of laboratory reactors according to mode of operation. high. conversion. low. conversion. reactor: classification. reactor types. reactor: plug flow reactor • ideal reactor • tube reactor • continuous flow • turbulent flow • no velocity gradients • perfect mixing in radial direction

OR14 - Transformational Challenge Reactor

The Aircraft Reactor Experiment is the first molten salt reactor design to go critical and leads to the development of several new reactor designs. 1954 Tower Shielding Reactor I begins operations and holds a reactor and its shielding 200 feet above ground, which offers unique research capabilities.

Pentagon awards contracts to design mobile nuclear reactor

WASHINGTON — The Pentagon on Monday issued three contracts to start design work on mobile, small nuclear reactors, as part of a two-step plan towards achieving nuclear power for American forces .

Environment, Health and Safety Committee Note on: SAFETY .

The design of a commercial plant can be accomplished by scaling up from laboratory equipment using pilot plant. In some cases several pilot plants of increasing size may be used to effect the best design for the larger plant. During the scale up process it is useful to develop a .

fusion reactor | Description, History, Uses, & Facts .

Fusion reactor, also called fusion power plant or thermonuclear reactor, a device to produce electrical power from the energy released in a nuclear fusion reaction. The use of nuclear fusion reactions for electricity generation remains theoretical. Since the 1930s, scientists have known that the Sun and other stars generate their energy by nuclear fusion.

Continuous Stirred Tank Reactor - an overview .

Reactor design is critical for effective syngas fermentation since the configuration of a bioreactor influences the gas–liquid interfacial area and gas–liquid mass transfer rate.

Design of nuclear power plants | IAEA

May 22, 2020 · The design of a nuclear power plant needs to consider specific site characteristics, operational aspects and future decommissioning plans so as to achieve the highest levels of safety. A comprehensive and thorough safety assessment is also mandatory to ensure the adequate protection of workers, the public and the environment.

Chapter 9: Operating Bioreactors

It enters the reactor. Therefore, S remains very low in the reactor and X continues to maintain at ≈Y X/SS o over time. The volume increases with time in the reactor and Product formation continues. t i n c r e a s i n g t=0 t w cycle time "Bioprocess Engineering: .

A Breakthrough In American Energy Dominance? U.S. Navy .

Oct 30, 2019 · China is working on its China Fusion Engineering Test Reactor (CFETR) to become operational in the 2020s, and South Korea has its KSTAR project, a tokamak which reached a .

Classification of Laboratory Design Levels

increase operating costs, and increase the level of effort required to manage and maintain performance. These considerations must be carefully considered in the design and operation of laboratory facilities. Laboratory safety is an inviolable constraint and must not be saced for gains in productivity or operating efficiency.

Continuous Stirred Tank Reactor - an overview .

Continuous stirred tank reactor (CSTR) is the most generally employed bioreactor for biohydrogen production in continuous mode because of its simplicity in configuration, easy functioning, efficient uniform stirring, and proper maintenance of temperature and pH (Fig. 10.2A).In these types of bioreactors, biohydrogen generating microbial population is entirely circulated and is in suspension .

Reactor Design Lectures Notes - University of Technology, Iraq

Design of the reactor is no routine matter, and many alternatives can be proposed for a process. In searching for the optimum it is not just the cost of the reactor that must be minimized. One design may have low reactor cost, but the materials leaving the unit may be such that their treatment requires a much higher cost than alternative designs.

Pyrolysis Reactors - IEA Bioenergy

The rotating cone reactor has many similarities except that the sand and biomass transport is effected by centrifugal forces operating in a rotating cone. Circulating fluid bed reactor Reactors – Ablative pyrolysis. Ablative pyrolysis is substantially different in concept compared to the other methods of .

US Eyes Building Nuclear Power Plants for Moon and Mars .

Jul 25, 2020 · First phase of the plan is to develop a reactor design. . The Idaho National Laboratory, . Officials say operating a nuclear reactor on the moon would be a first step to building a modified .

NRC: Backgrounder on Research and Test Reactors

May 05, 2020 · Research and Test Reactor Design and Safety Features; Operating Research and Test Reactors; Background. Research and test reactors – also called "non-power" reactors – are nuclear reactors primarily used for research, training and development. These reactors contribute to almost every field of science including physics, chemistry, biology .

Sequencing Batch Reactor | IWA Publishing

Sequencing batch reactors (SBR) or sequential batch reactors are industrial processing tanks for the treatment of wastewater. SBR reactors treat waste water such as sewage or output from anaerobic digesters or mechanical biological treatment facilities in batches. Oxygen is bubbled through the waste water to reduce biochemical oxygen demand (BOD) and chemical oxygen demand

Nuclear Reactor Systems - INL

Nuclear Reactor Systems. INL engineers are supporting safe operation of both today's nuclear power plants and tomorrow's. In addition to helping the U.S. nuclear industry safely extend the operating licenses of current reactors, INL engineers work with the world's nuclear experts to evaluate advanced nuclear reactor designs.

Tokamak Fusion Test Reactor - Wikipedia

The Tokamak Fusion Test Reactor (TFTR) was an experimental tokamak built at Princeton Plasma Physics Laboratory (PPPL) circa 1980 and entering service in 1982. TFTR was designed with the explicit goal of reaching scientific breakeven, the point where the heat being released from the fusion reactions in the plasma is equal or greater than the heating being supplied to the plasma by external .

AI Software Speeds Up Reactor Designs | Neutron Bytes

Mar 29, 2020 · the Safety and Design of Advanced Nuclear Reactors. Argonne National Laboratory is integrating decades of knowledge with the latest artificial intelligence (AI) methods and tools. Doing so can help researchers better understand the mechanics that govern nuclear reactors, which reactor designers and analysts can use to improve their design .

SEQUENCING BATCH REACTOR DESIGN AND OPERATIONAL .

Sequencing Batch Reactor Design and Operational Considerations iv T his document is designed to be used by municipalities, engineers, regulators, operators, and other interested parties that use, design, or are thinking about implementing sequencing batch reactor .

Reactor | MIT Nuclear Reactor Laboratory

The MIT Reactor (MITR) is the major experimental facility of the NRL. It is a light-water cooled and moderated, heavy-water reflected, nuclear reactor that utilizes flat, finned, aluminum-clad plate-type, fuel elements. The average core power density is about 70 kW per liter.

Supercritical CO2-Brayton Cycle – Sandia Energy

Supercritical CO 2 is a fluid state of carbon dioxide where it is held above its critical point (i.e., critical pressure and temperature). The density at that point is similar to that of a liquid and allows for the pumping power needed in a compressor to be significantly reduced, thus significantly increasing the thermal-to-electric energy conversion efficiency.

AI Software Speeds Up Reactor Designs | Neutron Bytes

Mar 29, 2020 · the Safety and Design of Advanced Nuclear Reactors. Argonne National Laboratory is integrating decades of knowledge with the latest artificial intelligence (AI) methods and tools. Doing so can help researchers better understand the mechanics that govern nuclear reactors, which reactor designers and analysts can use to improve their design .

A Forecast for the Future of GEN IV Reactors ~ A 50/50 .

Feb 07, 2020 · Separately, GEH is working on its PRISM reactor, which is a sodium-cooled design based on the Integral Fast Reactor deployed at the Argonne National Laboratory site in Idaho in the 1990s. Conceptual image of GEN IV sodium cooled reactor.

B Reactor - Hanford Site

Aug 10, 2020 · This design allowed the reactor to produce plutonium-239 by irradiating naturally occurring uranium with neutrons. Construction of B Reactor began in October 1943, and fuel was loaded into B Reactor on Sept. 13, 1944—just 11 months later. B Reactor went "critical" at 10:48 p.m. on Sept. 26, 1944 and reached full power in February 1945.

Oklo Microreactor Is INL's Pick for First-of-a Kind HALEU .

Feb 19, 2020 · Oklo, developer of a 1.5-MW passive compact fast reactor, will be the first to receive high-assay, low-enriched uranium (HALEU) nuclear fuel from Idaho National Laboratory (INL) to aid a .

New Molten Salt Thorium Reactor Powers Up for First Time .

Aug 28, 2017 · Oak Ridge National Laboratory ran molten salt thorium reactor experiments from the 1960s until 1976. Now, the European team is giving it another shot. Pure thorium salt being loaded into a .