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Found 4 essays matching the above criteria.

  1. 1. Modeling of a Hydraulic Rock Drill for Condition Monitoring

    University essay from Linköpings universitet/Fordonssystem

    Author : Adam Kagebeck; Mahdi Najafi; [2022]
    Keywords : Condition Monitoring System; Hydraulic Rock Drill; Diagnostic; Modeling; State Space Model;

    Abstract : This thesis aims to investigate the possibility of using a mathematical model to detect several common faults in a hydraulic rock drill. To this end, a parameterized state space model of the hydraulic drill, which simulate its behavior, is created. READ MORE

  3. 2. Installation of cables for monitoring purposes in the ground by using Horizontal Directional Drilling

    University essay from Lunds universitet/Teknisk geologi; Lunds universitet/Väg- och vattenbyggnad (CI)

    Author : Eduardo Garcia Cañas; [2022]
    Keywords : HDD; Earth Embankment Dam; Resistivity; ERT; IP; Technology and Engineering;

    Abstract : The median age for Swedish earth embankment dams is about 60 years. Due to its longevity, one of the major concerns is the internal erosion causing increased seepage through the dam, which ultimately may increases the risk for dam failure. To meet this challenge, there is a need for improved monitoring methods. READ MORE

  4. 3. Dispersion of Drilling Discharges : A comparison of two dispersion models and consequences for the risk picture of cold water corals

    University essay from Institutionen för geovetenskaper

    Author : Josefin Svensson; [2013]
    Keywords : Dispersion model; DREAM; MUDFATE; Cold-water corals; Risk Assessment; Drilling discharge; Cutting Transport System; Spridningsmodell; DREAM; MUDFATE; Kallvatten-koraller; Riskanalys; Borrslam; Prospekteringsborrning; CTS;

    Abstract : One of the ocean’s greatest resources is the coral reefs, providing unique habitats for alarge variety of organisms. During drilling operations offshore many activities maypotentially harm these sensitive habitats. READ MORE

  5. 4. Development and implementation of air quality data mart for Ontario, Canada : a case study of air quality in Ontario using OLAP tool

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Samira Muhammad; [2010]
    Keywords : OLAP; data mart; multidimensional modeling; air quality; ambient air quality criteria; Canadian environment sustainability indicator; Earth and Environmental Sciences;

    Abstract : This thesis describes the development and implementation of Air Quality Data Mart for Ontario Canada using Online Analytical Processing (OLAP) tool. It is followed by a case study which presents comparisons of air quality between the urban and rural areas, peak and non-peak hours, working days and weekends for various cities in Ontario. READ MORE