Search for dissertations about: "testing equipment"

Showing result 1 - 5 of 120 swedish dissertations containing the words testing equipment.

  2. 1. Performance testing of ultrasound Doppler equipment

    Author : Andrew Walker; Per Ask; Ivar Ringqvist; Bengt Wranne; Monica Almqvist; Linköpings universitet; []
    Keywords : MEDICINE; MEDICIN;

    Abstract : Blood and tissue velocities are measured and analysed in cardiac, vascular and other applications of diagnostic ultrasound. Errors in system performance might give invalid measurements.We developed two moving string test targets (“Doppler phantoms”) to characterise ultrasound Doppler systems. READ MORE

  4. 2. Well Testing, Methods and Applicability

    Author : Jan-Erik Rosberg; Teknisk geologi; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; slug tests; well completion; re-injection; Well testing; pumping tests; injection tests; well development; pneumatic initiation; hydro-jetting; coiled tubing; tunnel lining; deep wells;

    Abstract : Well testing is widely used today in water wells, oil and gas wells, for geothermal applications, within civil engineering projects, thermal storage and CO2 storage. The overall testing goal is to verify the productivity from a well and/or for characterization of hydraulic and thermal properties, as well as the spatial limitations of an aquifer. READ MORE

  5. 3. Testing and Modelling of Electrical Traction Machines : Performance Characterisation with Measurements from Transient Operation

    Author : Sebastian Hall; Industriell elektroteknik och automation; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical machines; Interior permanent magnet synchronous machines IPMSMs ; characterisation; Testing; Modelling; Electrical machines; Interior permanent magnet synchronous machines IPMSMs ; Testing; Characterisation; Modelling;

    Abstract : This thesis presents methods to derive and model the performance characteristics of interior permanent magnet machines – a machine type which is commonly used for propulsion of electrical vehicles. The thesis divides the performance characteristics into three subcategories: The electromagnetic properties, the loss profile and the thermal behaviour of the machines. READ MORE

  6. 4. On Subscale Flight Testing : Applications in Aircraft Conceptual Design

    Author : Alejandro Sobron; Petter Krus; David Lundström; Zdobyslaw Goraj; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Downscaled physical models, also referred to as subscale models, have played an essential role in the investigation of the complex physics of flight until the recent disruption of numerical simulation. Despite the fact that improvements in computational methods are slowly pushing experimental techniques towards a secondary role as verification or calibration tools, real-world testing of physical prototypes still provides an unmatched confidence. READ MORE

  7. 5. Exercise Testing in Firefighters : Work Capacity and Cardiovascular Risk Assessment in a Low-Risk Population

    Author : Anna Carlén; Eva Nylander; Mikael Gustafsson; Meriam Åström Aneq; Henrik Engblom; Linköpings universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Abstract : Background. Firefighting is one of the most physically demanding occupations and it requires a high cardiorespiratory fitness level. READ MORE