Essays about: "thermal strain"

Showing result 1 - 5 of 34 essays containing the words thermal strain.

  1. 1. Influence of nitrocarburization on the thermomechanical fatigue properties of ductile iron for exhaust components : Analysis and comparisons of TMF-properties

    University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Author : Karl Larsson; [2019]
    Keywords : Thermo-mechanical fatigue; low cycle fatigue; thermal strain; ductile cast iron; nitrocarburizing;

    Abstract : New stricter environmental legislation requires lower emissions and fuel consumption of automotive engines. Therefore the fuel efficiency must be increased but this leads to higher loads in the engine. As for the exhaust system it is affected by higher thermomechanical loads. READ MORE

  2. 2. Finite element modelling of strained nanowire heterostructures

    University essay from Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

    Author : Alexander Grape Wyke; [2019]
    Keywords : Strain; nanowire; heterostructure; physics; nanophysics; COMSOL; simulation; lattice; Physics and Astronomy;

    Abstract : When two materials with different lattice constants are grown together, this generates stress between them, and therefore strain. This strain causes them to have different thermal and electrical properties, and this is especially important on the nanoscale where changes have large impacts. READ MORE

  3. 3. An Investigation of Stainless Steels for Long-term Use in Liquid Sodium at up to 700°C

    University essay from KTH/Materialvetenskap; KTH/Materialvetenskap

    Author : Clara Bubenko; Karl Magnil; Melker Olofsson; [2019]
    Keywords : ;

    Abstract : The Swedish company Azelio has developed a high-efficient Stirling engine which is powered by solar energy. Since the access of solar power is limited to day-time, Azelio has also developed their own Thermal Energy Storage (TES), which collects and stores solar energy and thereby provides the engine with energy also during night-time. READ MORE

  4. 4. Simulation of Hardening of the MahanaKhon Tower Mat Foundation

    University essay from KTH/Betongbyggnad

    Author : Zakaria Kazi-tani; [2019]
    Keywords : Hydration; MahanaKhon tower; mat foundation; young concrete; temperature development; thermal stresses; cracking; fly ash; finite element analysis; COMSOL Multiphysics; Hydratation; MahanaKhon tower; bottenplatta; ung betong; temperaturutveckling; termiska spänningar; sprickbildning; flygaska; finita elementanalys; COMSOL Multiphysics;

    Abstract : Cement hydration is the result of a series of simultaneous chemical reactions occurring during the production of concrete. An excessive amount of heat is generated, which consequently may give rise to thermal stresses and cause early age cracks in concrete that may affect its structural integrity, and load bearing capacity. READ MORE

  5. 5. Effects of Lattice Strain in Silicon Double Crystal Monochromators

    University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/MAX IV-laboratoriet

    Author : Johan Eckdahl; [2018]
    Keywords : synchrotron radiation physics max iv maxiv monochromator monochromation; Physics and Astronomy;

    Abstract : Silicon double crystal monochromators are standard in modern synchrotron hard X-ray beamlines. Their role is reducing a polychromatic photon beam to a small range of wavelengths, typically within a bandwidth of 0.01-0.1%. READ MORE