Sökning: "jet: quenching"

Hittade 5 uppsatser innehållade orden jet: quenching.

  1. 1. Boiling heat transfer of multiple impinging water jets on a hot rotary cylinder

    Magister-uppsats, Högskolan i Gävle/Avdelningen för byggnadsteknik, energisystem och miljövetenskap

    Författare :Aitor Uriarte; [2021]
    Nyckelord :Quenching; unsteady heat transfer; multiple impinging jet; boiling; rotary cylinder; fast cooling.;

    Sammanfattning : Quenching technique is widely used in industrial applications as it enhances the mechanical properties of metals such as hardness and tensile strength. This technique consists of a heating process followed by fast cooling which results in different microstructures that enhance the metal behavior. LÄS MER

  3. 2. Quenching a steel plate by water - impinging jets and different simultaneous flow rates

    Magister-uppsats, Högskolan i Gävle/Energisystem och byggnadsteknik

    Författare :Pablo Martinez; [2019]
    Nyckelord :Quenching; steel; plate; cooling; water- impinging jets; cooling rate; subcooling; temperature.;

    Sammanfattning : Regarding the great importance of fast cooling in steel industry for the production processes, a deep understanding of heat transfer and fluid dynamics must be held. A steel plate is heated up until a maximum temperature of 700 ⁰ C to be the n cooled down seconds later by a configuration of multi ple impinging water jets. LÄS MER

  4. 3. Performance of jet subtraction in pPb and PbPb collisions, without collectivity

    Kandidat-uppsats, Lunds universitet/Teoretisk partikelfysik - Geonomgår omorganisation; Lunds universitet/Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation

    Författare :Sebastian Grabowski; [2018]
    Nyckelord :heavy ion: scattering; Angantyr; underlying event; subtraction; jet: quenching; non-collectivity; stacking; jet: correlation; non-colliective; background; Physics and Astronomy;

    Sammanfattning : We investigated the performance of basic jet subtraction, by the utilization of jet reconstruction generally used at the Large Hadron Collider (LHC). This was done by studying Z-bosons, in the dielectron decay channel, and the associated jet correlation in pp, pPb and PbPb collisions, using datasets generated by the Monte Carlo generator PYTHIA8. LÄS MER

  5. 4. Search for Jet Quenching in Pb-Pb collisions at s_NN = 2.76 TeV

    Kandidat-uppsats, Lunds universitet/Partikel- och kärnfysik; Lunds universitet/Fysiska institutionen

    Författare :Adrian Nassirpour; [2015]
    Nyckelord :Physics and Astronomy;

    Sammanfattning : The purpose of this thesis is to further investigate the state of matter known as Quark-Gluon Plasma (QGP) that is produced in heavy ion collisions. This is done by analyzing jets and jet quenching in Pb-Pb collisions at $\sqrt[]{s_\textrm{NN}}$ = 2.76 TeV from ALICE. LÄS MER

  7. 5. Azimuthal Angular Description of Jet Quenching at High pT

    Master-uppsats, Lunds universitet/Fysiska institutionen

    Författare :Vytautas Vislavicius; [2013]
    Nyckelord :Glauber model; elliptic flow; nuclear modification factor; azimuthal angular description; heavy ion collision; RAA; v2; jet quenching; Physics and Astronomy;

    Sammanfattning : Vanligen beskrivs universums ursprung genom den så kallade Big Bang-teorin. Man skall emellertid inte förstå detta som en stor, kraftig explosion i rymden, eftersom varken rum eller tid existerade innan Big Bang. LÄS MER