Essays about: "existing tunnel"

Showing result 16 - 20 of 40 essays containing the words existing tunnel.

  1. 16. Positional Quality of Service using Dynamic Collection Fingerprinting

    University essay from Luleå tekniska universitet/Datavetenskap

    Author : Fredrik Grönlund; [2017]
    Keywords : quality of positioning; mining; wi-fi; wifi; fingerprinting; positioning; tunnel; underground;

    Abstract : Positioning in environments where GPS is absent is a field currently under intensive research.Systems are currently being researched or designed for indoor use, often relying on ultra-wideband radio, ultrasound, fingerprinting or Wi-Fi.For underground mining, the problem is magnified, as installation of new equipment is expensive. READ MORE

  2. 17. Investigating the decrease ofgroundwater levels and the effect of fracture zone on recovery time: A case study of decrease in groundwater levels in a tunnel construction site in Vinsta, Stockholm

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Evgenia Kassiou; [2017]
    Keywords : Groundwater; spatial analysis; Modified Double Mass Statistical Analysis; 3D model; COMSOL Multiphysics; fracture zone; recovery time; soil layer;

    Abstract : Groundwater is one of the main natural resources worldwide. Groundwater exists in aquifers below the earth surface and provides quantities of water for various purposes such as supply to households and businesses, public supply, drinking water supply, irrigation and agriculture. Sweden is also highly dependent on groundwater. READ MORE

  3. 18. Mesh Mounting Concept for a Mechanical Rock Excavation Machine

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Elin Skoog; [2017]
    Keywords : mesh mounting; chain link mesh; rock reinforcement; mine tunnel support; nätmontering; stängselnät; bergförstärkning; tunnelförstärkning;

    Abstract : This report is the result of a Master’s Thesis done at the Machine Design Department at the Royal Institute of Technology. The project was carried out at Svea Teknik AB in cooperation with Atlas Copco Rock Drills AB and the Mining and Rock Excavation division in Örebro. READ MORE

  4. 19. Measurement of the convective heat transfer with wind : Developing and testing an Earth Scaled Atmospheric Temperature Sensor

    University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Author : Philipp Wittmann; [2016]
    Keywords : Wind; ATS; heat transfer; air temperature sensor; atmospheric temperature sensor;

    Abstract :    The HAbitability, Brine Irradiation and Temperature Package (HABIT) instrument of the ExoMars Surface Platform will investigate the present day habitability of Mars at the near surface environment. This instrument includes three Atmospheric Temperature Sensor's (ATS's) which are similar to the ones previously used on the Rover Environmental Monitoring Station (REMS) of the Mars Science Laboratory (MSL) rover, that has now been operating on Mars for more than four years. READ MORE

  5. 20. Från rum till rum : gestaltning av ett stadsstråk i Sundbyberg

    University essay from SLU/Dept. of Urban and Rural Development

    Author : Anna Gronow; [2016]
    Keywords : aktivitetspark; Centrala Sundbyberg; design; esplanad; gestaltning; torg; överdäckning;

    Abstract : Den stora bostadsbristen, tillsammans med en ökad urbanisering i Sverige har lett till att förtätning av städer blir allt vanligare. I Stockholm förtätas innerstaden på bland annat gammal industrimark, men stadsbyggnadskontoret har kommit fram till att även den glesa förorten måste förtätas. READ MORE