Sökning: "noise diagnostics"

Visar resultat 1 - 5 av 32 avhandlingar innehållade orden noise diagnostics.

  1. 1. Noise diagnostics of Stationary and Non-Stationary Reactor Processes

    Författare :Carl Sunde; [2007]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; core-barrel vibrations; break-frequency method; wavelet; decay ratio; detector tube impacting; two-phase flow; spectral analysis; noise diagnostics;

    Sammanfattning : This thesis concerns the application of noise diagnostics on different problems in the area of reactor physics involving both stationary and non-stationary core processes. Five different problems are treated, divided into three different parts. LÄS MER

  2. 2. Diagnostics for advanced fusion plasma scenarios

    Detta är en avhandling från Stockholm : KTH

    Författare :Mattias Kuldkepp; KTH.; [2006]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; MSE; PEM; mirror evolution; fusion; diagnostics; plasma spectroscopy; reversed field pinch; spherical tokamak; intelligent shell; PPCD; MAST; ITER; NATURAL SCIENCES Physics Atomic and molecular physics Molecular physics; NATURVETENSKAP Fysik Atom- och molekylfysik Molekylfysik;

    Sammanfattning : Over the past decade, fusion research has showed the potential of being a main candidate for energy production for future generations. Further advances in improved fusion performance are therefore vital. This thesis focuses on advanced fusion plasma scenarios and their diagnostic requirements. LÄS MER

  3. 3. Wavelet and Spectral Analysis of Some Selected Problems in Reactor Diagnostics

    Detta är en avhandling från Stockholm : KTH

    Författare :Carl Sunde; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; core-barrel vibrations; two-phase flow; noise diagnostics; wavelet analysis; detector tube impacting;

    Sammanfattning : Both spectral and wavelet analysis were successfully used in various diagnostic problems involving non-stationary core processes in nuclear power reactors. Three different problems were treated: two-phase flow identification, detector tube impacting and core-barrel vibrations. LÄS MER

  4. 4. Developments and application of neutron noise diagnostics of sodium cooled fast reactors

    Detta är en avhandling från Stockholm : KTH

    Författare :Florian Zylbersztejn; [2013]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Neutron monitoring; Neutron noise; Fast neutron reactors; Core volume fluctuations;

    Sammanfattning : The Sodium cooled Fast Reactor (SFR) is one of the six reactor types selected by the Generation-IV international forum (GIF), and the building of an industrial prototype is planned in France. The safety standard of the future SFR has to be equivalent to the EPR's. LÄS MER

  5. 5. Studies on the Load Range of an HCCI Engine using In-Cylinder Pressure, Ion Current and Optical Diagnostics

    Detta är en avhandling från Combustion Engines

    Författare :Andreas Vressner; Lunds universitet.; Lund University.; [2007]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; ion current; knock; laser ignition; chemiluminescence imaging; LES; temperature stratification; PLIF; auto igntion; flame propagation; HCCI; diagnostics; low temperature combustion;

    Sammanfattning : Internal combustion engines are continuously developed towards decreased hazardous emissions and lower fuel consumption. The homogeneous charge compression ignition (HCCI) engine is a promising concept which combines the best features of the Diesel engine and the spark ignition (SI) engine. LÄS MER