Essays about: "2D-modell"

Showing result 6 - 9 of 9 essays containing the word 2D-modell.

  1. 6. Potentials and limitations of 1D, 2D and coupled 1D-2D flood modelling in HEC-RAS

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Alexander Betsholtz; Beatrice Nordlöf; [2017]
    Keywords : Hydraulic modelling; HEC-RAS; 1D; 2D; 1D-2D; flooding; sub-grid; Technology and Engineering;

    Abstract : Hydraulic models can be used to predict the consequences of flooding events. In this project, three hydraulic models were constructed using the software HEC-RAS, and compared through a case study on Höje river catchment. READ MORE

  3. 7. Numerical Modelling and Sensitivity Analysis of Tunnel Deformations in London Clay

    University essay from KTH/Jord- och bergmekanik

    Author : Malin Sandström; [2016]
    Keywords : Small-strain stiffness; Mohr-Coulomb; Plaxis; sensitivity analysis; tunnels; London Clay;

    Abstract : In dense cities, the interactions between all structures, from tall skyscrapers to complex underground tunnel systems, need to be carefully analysed as soon as a new project is considered. This is necessary because of the stress changes in the soil induced by each new construction. READ MORE

  4. 8. Thermal energy management and chemical reaction investigation of micro-proton exchange membrane fuel cell and fuel cell system using finite element modelling

    University essay from KTH/Kraft- och värmeteknologi

    Author : Seán McGee; [2015]
    Keywords : 0D model; 2D model; 3D model; chemical engineering; Comsol Multiphysics; energy; environment; FC; fluid dynamics; fuel cell systems; heat transfer; JAQ; laboratory experiments; mobile charging; modeling; modelling; myFC; PEM; polymer electrolyte membrane; PowerTrekk; process engineering; proton exchange membrane; sustainability; 0D-Modell; 2D-Modell; 3D-Modell; Chemieingenieurwesen; COMSOL Multiphysics; Energie; Umwelt; FC; Fluiddynamik; Brennstoffzellensysteme; Wärmeübertragung; JAQ; Laborexperimente; mobile Ladesysteme; Modellieren; myFC; PEM; Feststoffpolymer-Brennstoffzelle; PowerTrekk; Verfahrenstechnik; Protonenaustauschmembran-Brennstoffzelle; Nachhaltigkeit; 0D-modell; 2D-modell; 3D-modell; kemiteknik; Comsol Multiphysics; energi; miljö; FC; fluiddynamik; bränslecellssystem; värmeöverföring; JAQ; laboratorieförsök; mobil laddning; modellering; myFC; PEM; polymerelektrolytmembran; PowerTrekk; processteknik; protonväxlingsmembran; hållbarhet;

    Abstract : Fuel cell systems are becoming more commonplace as a power generation method and are being researched, developed, and explored for commercial use, including portable fuel cells that appear in laptops, phones, and of course, chargers. This thesis examines a model constructed on inspiration from the myFC PowerTrekk, a portable fuel cell charger, using COMSOL Multiphysics, a finite element analysis software. READ MORE

  5. 9. Non-contact High Voltage Measurements: Modeling and On-site Evaluation

    University essay from Institutionen för fysik

    Author : Joacim Törnqvist; [2012]
    Keywords : Capacitive; Measurement technique; Modeling; Optimization; Non-contact; Voltage measurement; Low cost; transient detection; Kapacitiv; Mätteknik; Modellering; Optimering; Beröringsfri; Spänningsmätning; Låg kostnad; Transientövervakning;

    Abstract : In the high voltage grid, voltage measurements are made in dedicated voltage-transformers. These devices are expensive and insulation failures could impact directly on the system, and even cause a power outage. READ MORE