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Friday, February 14, 2020 | History

3 edition of Deliberate ignition of hydrogen-air-steam mixtures in condensing steam environments found in the catalog.

Deliberate ignition of hydrogen-air-steam mixtures in condensing steam environments

T. K. Blanchat

Deliberate ignition of hydrogen-air-steam mixtures in condensing steam environments

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  • 36 Currently reading

Published by U.S. Nuclear Regulatory Commission in Washington, DC .
Written in English

    Subjects:
  • Nuclear reactors -- Containment,
  • Combustion -- Research,
  • Hydrogen

  • Edition Notes

    Statementprepared by T.K. Blanchat, D.W. Stamps ; prepared for Division of Systems Technology, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission.
    ContributionsSandia National Laboratories., University of Evansville., U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Systems Technology.
    The Physical Object
    Paginationxvii, 74 p. :
    Number of Pages74
    ID Numbers
    Open LibraryOL17456817M
    OCLC/WorldCa37557413

    Nuclear Regulatory Commission. One important aspect when studying elementary reactions experimentally is that the particular reaction of interest must be isolated by minimizing the role of the secondary reactions e. Finally, tentative proposals are suggested for developing area classification guidance based on the prediction of the flammable mist cloud size. Combustion air may also be replaced by oxygen-enriched air, or even by pure oxygen, in order to improve and accelerate combustion. Back Satellite image of the harbor-front of the Fukushima Daiichi Nuclear Power Station showing extensive damage from the tsunami.

    The Institute of Medicine was established in by the National Academy of Sciences to secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health of the public. All rights reserved. Its use leaves HCl as a useless by-product. Finally, tentative proposals are suggested for developing area classification guidance based on the prediction of the flammable mist cloud size. Combustion of certain hydrogen:air:steam atmospheres could, at least hypothetically, threaten the integrity of the containment structure. Dzau is president of the Institute of Medicine.

    Notably, these diagnostic techniques are led by a variety of performance requirements, such as the optimum use of fuel and reduction of emissions. The lack of any significant pressure increase during the majority of the burn and condensation events, signified that localized, benign hydrogen deflagration s occurred with no significant pressure load on the Surtsey containment vessel. Furthermore, turbulence was found to affect the extent of combustion and other combustion characteristics of the lean hydrogen burns i. All these sorting fractions are contaminated with all kinds of pollutants [32, 33]. Eleven Hydrogen Igniter Tests were conducted in the Surtsey test vessel. The shock tube technique serves as an important experimental tool in reaction kinetics for investigating reactions under varying pressures and temperatures.


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Deliberate ignition of hydrogen-air-steam mixtures in condensing steam environments by T. K. Blanchat Download PDF Ebook

In these and related tasks, the Deliberate ignition of hydrogen-air-steam mixtures in condensing steam environments book works in close collaboration with the International Atomic Energy Agency in Vienna, with which it has a Cooperation Agreement, as well as with other international organisations in the nuclear field.

It shifts largely to the right, however, in case NaOH is itself converted into silicates, aluminates, or other composite compounds [43, 44], e.

Functioning in accordance with general policies determined by the Academy, the Council has become the principal operating agency of both the National Academy of Sciences and the National Academy of Engineering in providing services to the government, the public, and the scientific and engineering communities.

Back Satellite image of the harbor-front of the Fukushima Daiichi Nuclear Power Station showing extensive damage from the tsunami.

Experimentally observed flammability limits of hydrogen:air:steam mixtures in both turbulent and quiescent environments were measured and a correlation developed that describes the three-component flammability limit. This so-called shock wave then moves into the undisturbed gas at a speed greater than the speed of sound in the initial unheated gas.

An experimental representation of fall-off curves can therefore be characterized by three quantities, namely k0, k1, and Fc.

Such release is also likely to be complete, unless some other compounds, e. The Council is administered jointly by both Academies and the Institute of Medicine. As a rule, Na- and K-compounds decrease the melting point, in particular when present as persulfates, vanadates, borates, etc.

Any opinions, findings, conclusions, or recommendations expressed in this pub- lication are those of the author s and do not necessarily reflect the views of the organizations or agencies that provided support for the project.

Fly ash, a by-product of fossil fuel firing coal, lignite, peat is the subject of a site of Kentucky University and of periodic conferences published there.

S tatus Report on Hydrogen Management and Related Computer Codes

The Surtsey vessel contained two prototypic engineered systems: 1 a deliberate hydrogen ignition system and 2 a water spray system. Eleven Hydrogen Igniter Tests were conducted in the Surtsey test vessel. In some cases, free radicals are generated by using a microwave discharge [15] e. It focuses on the three fundamental issues: mist flammability, mist generation and Deliberate ignition of hydrogen-air-steam mixtures in condensing steam environments book measures.

Experiments performed under extreme pressures as in Ref. The driven or low-pressure section consists of the test gas under study. The same holds for fluxing elements, such as boron, vanadium, or fluor.

Convection was found to dominate the time integrated heat transfer i.May 10, - erates combustion until a point at which higher cooling supersedes this . Basically, a furnace is a. Deliberate ignition of hydrogen-air-steam mixtures in condensing steam environments [T.

K Blanchat] on tjarrodbonta.com *FREE* shipping on qualifying tjarrodbonta.com: T. K Blanchat. May 02,  · The transient combustion-pressure data measured for the hydrogen:air:steam tests indicate that the addition of steam reduces the normalized peak combustion pressure (P max /P o) as compared to equivalent hydrogen:air burns.

Furthermore, turbulence was found to affect the extent of combustion and other combustion characteristics of the lean.After a weak ignition, which is the most likely ignition in an accidental pdf, hydrogen combustion is expected to start as a slow, quasi-laminar, premixed hydrogen–air–steam deflagration.

Slow combustion regimes do not endanger the containment in terms of pressure loads, but rather by temperature loads.Download pdf 02,  · The transient combustion-pressure data measured for the hydrogen:air:steam tests indicate that the addition of steam reduces the normalized peak combustion pressure (P max /P o) as compared to equivalent hydrogen:air burns.

Furthermore, turbulence was found to affect the extent of combustion and other combustion characteristics of the lean.Ebook 06,  · MEMBRANE BIOTREATMENT OF VOC-LADEN AIR. EPA Science Inventory. The paper discusses membrane biotreatment of air laden with volatile organic compounds (VOCs). Microporous flat .