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Thursday, July 30, 2020 | History

4 edition of Water hammer in nuclear power plants found in the catalog.

Water hammer in nuclear power plants

United States. Office of Nuclear Reactor Regulation. Division of Systems Safety

Water hammer in nuclear power plants

by United States. Office of Nuclear Reactor Regulation. Division of Systems Safety

  • 296 Want to read
  • 25 Currently reading

Published by Nuclear Regulatory Commission, Office of Nuclear Reactor Regulation, Division of Systems Safety, for sale by the National Technical Information Service, U.S. Govt. Print. Off. in Washington, Springfield, Va .
Written in English

    Subjects:
  • Water hammer,
  • Pipe -- Fluid dynamics

  • Edition Notes

    SeriesNUREG ; 0582, NUREG -- 0582
    The Physical Object
    Pagination82 p. in various pagings :
    Number of Pages82
    ID Numbers
    Open LibraryOL14947717M

    Water hammer is not only a system issue but it is also a safety issue. Water hammer can be defined as follows- Water hammer is a pressure surge or wave caused when a fluid (usually a liquid but sometimes also a gas) in motion is forced to stop or change direction suddenly (momentum change).Missing: nuclear power plants. Water hammer—or hydraulic shock —is an apt description of the sudden impact of a mass of fast-moving water on a piping component such as a valve or an elbow. It usually occurs in longer steam lines and is caused by the opening of a shut-off valve or the mixing of steam from one pipe with condensate from another.

    The Army Nuclear Power Program (ANPP) was a program of the United States Army to develop small pressurized water and boiling water nuclear power reactors to generate electrical and space-heating energy primarily at remote, relatively inaccessible sites.   Tiselj I, Horvat A, Černe G, Gale J, Parzer I, Mavko B, Giot M, Seynhaeve JM, Kucienska B, Lemonnier H () WAHALoads-Two-phase flow water hammer transients and induced loads on materials and structures of nuclear power plants, Deliverable D WAHA3 code manual, IJS-DP Google ScholarAuthor: Priyankan Datta, Aranyak Chakravarty, Koushik Ghosh, Achintya Mukhopadhyay, Swarnendu Sen.

    a matter of fact, the Nuclear Renaissance has already begun – the US Nuclear Regulatory Commission (NRC) approved an early site permit application for the Clinton Power Station in Illinois (Exelon Power Corporation) in March As the scope of the nuclear energy is expanded, the role of materials is at the front and g: Water hammer.   This app is dedicated for the powerplant engineering and can be used as a guide book of the following Thermal power plant Gas power plant Wind power plant Hydro power plant Nuclear power plant Coal power plant Following topics have been covered Contents Hydro Hydrology • First requirement – • Hydrology deals with occurrence and distribution of water /5(61).


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Water hammer in nuclear power plants by United States. Office of Nuclear Reactor Regulation. Division of Systems Safety Download PDF EPUB FB2

Water hammers in nuclear power plants have been caused by voiding in normally water-filled lines, steam condensation in lines containing both steam and water, and the entrainment of water in steam-filled lines, as well as by rapid valve action, the classical cause.

Get this from a library. Water hammer in nuclear power plants. [U.S. Nuclear Regulatory Commission. Division of Systems Safety.;]. Steam plant operation and water hammer information can be found in the McGraw-Hill publication, "Steam-Plant Operation," by E.B.

Woodruff and H.B. Lammers(at PSE Book Store, ); and in a Nuclear Regulatory Commission (NRC) publication, "Evaluation of Water Hammer Occurrences in Nuclear Power Plants," NUREG 47 works Search for books with subject Water hammer.

Pressurized water-reactor feedwater piping response to water hammer Don Arthur Not In Library. Waterhammer analysis John ParmakianMathematical models, Accessible book, Fluid mechanics, Hydraulic transients, Nuclear power plants, Protected DAISY, Surge tanks.

UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF NUCLEAR REACTOR REGULATION WASHINGTON, D.C J Information Notice No. SUPPLEMENT 1: WATER HAMMER EVENTS SINCE Addressees All holders of operating licenses or construction permits for nuclear power reactors.

EPRI initiated, ina three- year comprehensive research program to address the prevention, mitigation, and accommodation of water hammer in nuclear power plants. This paper summarizes a methodology developed within Bechtel to diagnose water hammer by: 3. TWO-PHASE FLOW WATER HAMMER TRANSIENTS AND INDUCED LOADS ON MATERIALS AND STRUCTURES OF NUCLEAR POWER PLANTS (WAHALoads) CO-ORDINATOR Prof.

Michel GIOT UCL/TERM Bâtiment Simon Stevin 2, Place du Levant B – Louvain-la-Neuve Belgique Tel: +32(0) Fax: +32(0) LIST OF PARTNERSFile Size: 1MB. Method for determination of water hammer conditions and consequences inpressurizers of nuclear reactors Article (PDF Available) in Turkish Journal of Physics 43(3).

phenomenon is called water hammer. Water hammer events rarely lead to pipe rupture in nuclear power plants but due to conservative calculations together with limited models many calculations are being made which costs time and money in the end.

Transient water hammer analysis is essential to verify design and operation of pipingFile Size: 4MB. Water hammer has been a concern to engineers for almost a century.

It has caused serious damage in some engineering applications. One of the important areas where water hammer causes problems is power plants especially nuclear power plants.

There are instances in which pipes as large as 1 meter in diameter shake, damage theCited by: 2. This guidebook provides reference material and diagnostic procedures concerning condensation-induced waterhammer in nuclear power plants.

Condensation-induced waterhammer is the most damaging form of waterhammer and its diagnosis is complicated by the complex nature of the underlying phenomena. Robert A. Leishear, an ASME Fellow, is a fellow engineer at Savannah River National Laboratory, and a member of the ASME B Process Piping Design book, Fluid Mechanics, Water Hammer, Dynamic Stresses, and Piping Design, was published by ASME Press in Author: Robert A.

Leishear. Xu, Qingmu, Cai, Kun, Qin, Jie, Yuan, Junkai, and Li, Juan. "Study on Water Hammer in the Overpressure Discharge Pipe of Nuclear Power Plant." Proceedings of the 25th International Conference on Nuclear : Qingmu Xu, Kun Cai, Jie Qin, Junkai Yuan, Juan Li.

The diversity of water hammer damages extends across many industries; from oil pipelines, to chemical plants, and to fires and explosions in nuclear power plants. Applied loads on mechanical systems, such as piping systems are amplified, or. Hydraulic shock (colloquial: water hammer; fluid hammer) is a pressure surge or wave caused when a fluid, usually a liquid but sometimes also a gas, in motion is forced to stop or change direction suddenly; a momentum change.

This phenomenon commonly occurs when a valve closes suddenly at an end of a pipeline system. Get this from a library. Evaluation of water hammer occurrence in nuclear power plants: technical findings relevant to Unresolved Safety Issue A [A W Serkiz; U.S.

Nuclear Regulatory Commission. Office of Nuclear Reactor Regulation. Division of Safety Technology.]. The rigorous study of water hammer reaches back into the th. century (Bergant et al. [1], Ghidaoui et al.

[2]). Among the excellent text books on water hammer are those of Thorley [ 3], Wylie and Streeter [ 4], Swaffield and Boldy [5], Leishear [6], and Chaudhry [7].

The field of water hammer is well established in academia as wellFile Size: 1MB. Water hammer may be defined as an extreme fluid transient, occasionally recognized by loud banging, or hammering sounds, sometimes associated with fluid transients, which are caused by flow rate changes and resultant pressure surges, where the terms fluid transient and water hammer are frequently used g: nuclear power plants.

accurately in nuclear power plants. Index TermsŠ Natural Frequency, Loss of Coolant Accident, Water Hammer Phenomenon, Fast Fourier Transform.

INTRODUCTION Failure of the components making up a nuclear power plants constitutes one probability of failing during operation, and the plant design has to accommodate these failures whileFile Size: KB.

These computations are especially important for plants with environmentally hazardous substances as they occur in the chemical industry and in nuclear power plants. Due to this fact many investigation concerning water hammer were done (see Bergant et al., ), but the influence of centrifugal pumps on pressure surges is almost disregarded Cited by:.

In terms of the frequency of occurrence, steam bubble collapse in subcooled water is the dominant initiating mechanism for water hammer events in nuclear power plants. Water hammer due to steam bubble collapse occurs when water slug forms in stratified horizontal flow, or when steam bubble is trapped at the end of the pipe.Nuclear power plants generate electricity in much the same way that other thermal power plants generate electricity.

The combustion of a fuel is used to generate heat, the heat is used to create steam, and the steam is used to spin turbines, which in turn generate Size: 1MB.Both water and steam hammer events have the potential to cause catastrophic damage.

Waterhammer events are transmitted through the system at the speed of sound of the water-pipe combination. For water in a steel pipe, this is essentially the speed of sound in water (~ ft/s or m/s which is close to 1 mile/s).