Essays about: "Thermal scale factor"

Showing result 6 - 10 of 16 essays containing the words Thermal scale factor.

  1. 6. Growth and Characterization of Ferroelectric Lanthanum-Doped Hafnia

    University essay from Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

    Author : Harald Havir; [2020]
    Keywords : Ferroelectricity; Lanthanum-doped Hafnia; ALD; Science General;

    Abstract : Hafnia-based ferroelectrics show great promise as future nonvolatile memory devices, however, their issues regarding device inconsistency across their lifetime, coupled with the relatively short total lifetime, makes these devices only theoretical as of now. In this thesis, an ALD deposition recipe for lanthanum oxide deposition was created. READ MORE

  3. 7. Transient thermal management simulations of complete heavy-duty vehicles

    University essay from KTH/Mekanik

    Author : Einar Svantesson; [2019]
    Keywords : Transient; Time-resolved; Vehicle thermal management; Complete vehicle; Dynamic boundary conditions; Drive cycle; Hot shutdown; Heat soak; Heavy-duty vehicles; Heavy trucks; Thermal scale factor; Quasi-transient; Computational fluid dynamics.;

    Abstract : Transient vehicle thermal management simulations have the potential to be an important tool to ensure long component lifetimes in heavy-duty vehicles, as well as save development costs by reducing development time. Time-resolved computational fluid dynamics simulations of complete vehicles are however typically very computationally expensive, and approximation methods must be employed to keep computational costs and turn-around times at a reasonable level. READ MORE

  4. 8. Grid impact study of frequency regulation with EVs

    University essay from Lunds universitet/Industriell elektroteknik och automation

    Author : Emma Blomgren; [2018]
    Keywords : Electric vehicles EVs ; grid impact; ancillary services; frequency regulation; FCR-N; vehicle-to-grid V2G ; voltage; reactive power; load profile; Technology and Engineering;

    Abstract : The ongoing grid paradigm shift has resulted in synchronous generators currently being phased out. As the generators have been providing ancillary services, such as frequency control regulation, this means that new technologies to perform ancillary services need to be developed and evaluated. READ MORE

  5. 9. Electron heating in collisionless shocks observed by the MMS spacecraft

    University essay from Luleå tekniska universitet/Rymdteknik

    Author : Martin Svensson; [2018]
    Keywords : shocks; MMS; electron; heating; gradient; quasi-perpendicular; scaling; plasma; space;

    Abstract : Shock waves are ubiquitous in space and astrophysics. Shocks transform directed particle flow energy into thermal energy. As the major part of space is a collisionless medium, shocks in space physics arises through wave-particle interactions with the magnetic field as the main contributor.The heating processes are scale dependent. READ MORE

  6. 10. Determination of Thermal Conductivity of Wood Exposed to Fire based on Small Scale Laboratory Trials for Finite Element Calculations

    University essay from Luleå tekniska universitet/Byggkonstruktion och brand

    Author : Johnny Chung; [2017]
    Keywords : Wood; Cone Calorimeter. Conductivity; Fire; Temperature; TASEF; Finite element method; Trä; Konkalorimeter; Konduktivitet; Brand; Temperatur; TASEF; Finita elementmetoden;

    Abstract : This study describes an approach to determine the thermal conductivity of wood at elevated temperatures. The aim is to be able to use the developed conductivity as input in structural elements in finite element calculations. READ MORE