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Saturday, July 11, 2020 | History

3 edition of A study of start-up characteristics of a potassium heat pipe from the frozen state found in the catalog.

A study of start-up characteristics of a potassium heat pipe from the frozen state

A study of start-up characteristics of a potassium heat pipe from the frozen state

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Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC], [Springfield, Va .
Written in English

    Subjects:
  • Heat pipes.,
  • Potassium.

  • Edition Notes

    Other titlesStudy of start up characteristics of a potassium ....
    StatementJong Hoon Jang.
    SeriesNASA contractor report -- 189173., NASA contractor report -- NASA CR-189713.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL18058238M

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A study of start-up characteristics of a potassium heat pipe from the frozen state Download PDF EPUB FB2

Get this from a library. A study of start-up characteristics of a potassium heat pipe from the frozen state. [Jong Hoon Jang; United States. National Aeronautics and Space Administration.].

A new concept passive residual heat removal system of molten salt reactor using sodium heat pipe is proposed. • In the accident of MSR, the sodium heat pipe reaches the steady state at about s and performs well during the start-up.

• The decay heat of fuel salt is removed rapidly and effectively by using sodium heat by: A study of high temperature heat pipe was conducted to understand its characteristics. A review of working fluid, temperature, wick structure, problems.

Experimental profiles for heat pipe startup from the frozen state were obtained, using a high-temperature sodium/stainless steel pipe with multiple heat sources and sinks to investigate the. The start-up behavior of the heat pipe from a frozen state was investigated for various heat input values between W and W.

In steady state, axial temperature distributions of a heat pipe were measured and its heat transfer rates were estimated in the range of vapor temperature from °C to ° by: 4. Start-up, shut-down, and peak power tests have been conducted with a molybdenum-lithium heat pipe at temperatures to K.

The heat pipe was radiation coupled to a water cooled calorimeter for the tests with rf induction heating used for the input to the evaporator region.

Three heat pipes are considered, called heat pipe A, B, and C, respectively. All heat pipes have a stainless steel shell and nickel sintered powder metal wick. Sodium (Na) was the working fluid for heat pipes A and B; heat pipe C used eutectic sodium-potassium (NaK).

Heat pipes B and C included noncondensible gas for rapid by: 8. Because at Chegg we're all about removing the obstacles that stand in the way of the education YOU want and deserve. Search free scholarships, browse course reviews, get 24/7 study help and rent textbooks for a fraction of the cost of your bookstore - all.

Tournier, J.-M. and M.S. El-Genk, A Vapor Flow Model for Analysis of Liquid-Metal Heat Pipes Startup from a Frozen State. Int. Heat and Mass Transfer, 39(18) ; Tournier, J.-M. and M.S. El-Genk, An Analysis of the Startup of a Radiatively-Cooled Sodium Heat Pipe from a Frozen State.

AIChE Symp. Series-Heat Transfer, The study evaluated small scale integrated upgraders on a scale of 6, to 20, barrels per day at Lloydminster and Cold Lake respectively. Small scale hydrogen addition upgraders, due to the higher volume of synthetic crude, shop fabrication, and shorter time to start-up, are less capital intensive than the large mega projects.

Foreword Sludge handling and disposal have often been called the most troublesome aspect of water and wastewater treatment. If this is true, it is unfortunate that researchers and design engineers have in recent years neglected sludge handling in favor of the more glamorous problems associated with the liquid portion of wastewaters.

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The study described deicing operations in the industry, wastewater characteristics and procedures for its collection and treatment. The study was conducted to comply with CWA sec.

(m), which requires the Agency to publish a biennial Effluent Guidelines Plan, and a consent decree in Natural Resources Defense Council and Public Citizen, Inc. Full text of "AOAC: Official Methods of Analysis, " See other formats.

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SUMMARY: These final standards amend the Occupational Safety and Health Administration's (OSHA's) standards issued J (51 FR29 CFRJ ) for occupational exposure to asbestos in general industry.

This study was therefore designed to evaluate the chemical composition, toxicity, and storage life of this popular tropical mushroom. MATERIAL AND METHODS Sample collection, handling and analysis: Oyster mushroom samples were harvested from dead mango tree stumps in a garden at the day-old (button) and full-grown stages.SWIMMING POOL WATER CHEMISTRY FACT SHEET CHLORINE The most common chemical used in the treatment of swimming pool water is chlorine.

It not only eliminates bacteria and algae by disinfecting (killing) action, it also oxidizes (chemically destroys) other materials such as dirt and chloramines.Electric Power Research Institute June International Advisory Committee J.O'M.

Bockris (USA) temperature of the heater and start up the quadrupole mass spectrometer (8) Heating the sample up to K The behaviors of some key elements in Pd cathodes used for study of solid state nuclear phenomena have been studied by means of a.