Blar i USN Open Archive på forfatter "Mylvaganam, Saba"
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AE-Sensors and Multimodal Sensor Data Fusion in Liquid Flow metering
Kharche, Shailesh Vinay (Master thesis, 2022)One of the biggest challenges in Oil and gas industries is finding convenient method for accurately measuring flow rate of multiphase materials flowing through a system. There are different approaches done to handle this ... -
Co-operative sensor fusion using time warping in multimodal tomometry for process con
Pradeep, Chaminda; Ru, Yan; Mylvaganam, Saba (Conference object; Peer reviewed, 2012)Recent studies in process tomography have mostly focused on image processing and enhancement of images obtained from Electrical Capacitance, Electrical Resistance, Electrical Impedance, Gamma- and X-ray- tomographic ... -
Data driven Approaches for Pump Condition Monitoring and Curves Estimation
Sjølyst, Kristian Sande (Master thesis, 2024)The H-Q curve serves as a critical parameter in pump operation and design selection for a given system. However, it is important to recognize that changes over time, such as wear and tear on the pump, pipes, and fittings, ... -
Designing, Implementing, and Testing Smart Cities Use Cases concerning practical Internet of Things Applications
Ranabahu, Gaveen Shamila (Master thesis, 2024)Porsgrunn Kommune faced several challenges related to traffic management and parking efficiency. The existing systems needed more real-time monitoring capabilities, making it challenging to assess traffic conditions ... -
Development of Machine learning methods for extracting data from furnaces and IR camera to enhance tapping process
Oksum, Ole Jacob (Master thesis, 2022)This project was done in collaboration with Eramet Norway and USN with focus on quantifying events during the tapping of molten metal and slag. The main objective was to get data from the furnace tapping process using an ... -
Ensemble learning in the estimation of flow types and velocities of individual phases in multiphase flow using non-intrusive accelerometers' and process pressure data
Yan, Ru; Viumdal, Håkon; Fjalestad, Kjetil; Mylvaganam, Saba (Chapter, 2022)Multiphase flows with oil/ gas/ water are common in oil and gas industries. Accurately identifying flow types and estimating flow velocities of the individual phases are crucial for different purposes, such as observing ... -
High Speed EIT with Multifrequency Excitation Using FPGA and Response Analysis Using FDM
Darnajou, Mathieu; Dupré, Antoine; Dang, Chunhui; Ricciardi, Guillaume; Bourennane, Salah; Bellis, Cédric; Mylvaganam, Saba (Peer reviewed; Journal article, 2020)The investigation of quickly-evolving flow patterns in high-pressure and higherature flow rigs is crucial due to inherent hazards. There is a dire need for a high-speed, non-intrusive imaging technique to identify ... -
Industry Master Courses – Successful Digitalisation and Lifelong Learning – Recent Case Studies
Viumdal, Håkon; Halvorsen, Hans-Petter; Mylvaganam, Saba; Timmerberg, Josef; Pedersen, Morten; Thiriet, Jean Marc (Chapter, 2023)Industries in EU, UK and EEA countries are now supporting their employees with the necessary educational background to continue their learning thus promoting the acquirement of new skills and knowhow of their workforce ... -
IoT based data logger system for NOMAD sewage units with focus on efficiency and performance
Flaten, Edith Mari (Master thesis, 2022)NOMAD unit is a sanitary infrastructure released by JetsTM in 2022. The aim of this thesis is to look at the feasibility of data logging from a mobile site of the NOMAD unit to a cloud platform or external location. This ... -
Manufacturing analysis and data acquisition in advanced machining
Guldbjørnsen, Kjell Arne Stølen (Master thesis, 2021)To cut cost of maintenance, being able to stop the machines at the right time before fault and the possibility to implement zero defect manufacturing is an important part of manufacturing aeroplane engine parts. The purpose ... -
Mixture of term assignments, tutorials, laboratory assignments and problem based learning for masters degree in engineering: an alternative to traditional learning and examination forms
Mylvaganam, Saba; Clausen, Trond; Archer, Jørn (Conference report, 1999)We look at a course as a process of continuous learning and assessment of knowledge transfer to the students. In this context, we use a mixture of term assignments, tutorials, laboratory assignments and Problem Based ... -
Multimodal Tomometry for Slug Detection in two Phase Flow
Pradeep, Chaminda; Ru, Yan; Mylvaganam, Saba (Journal article; Peer reviewed, 2012)Electrical Capacitance and Resistance Tomometric (ECTm/ ERTm) approaches are attractive for measurement and control applications in the process industries. By using the time series of raw resistance and capacitance values ... -
Multiphase flow estimation using accelerometers, ultrasonic sensors, and machine learning
Khadka, Ashim (Master thesis, 2022)The new sensors, accelerometers, and ultrasonic sensors were installed in the existing multimodal sensor suite used in the multiphase flow in the process hall in Campus Porsgrunn of USN. Multiphase flow experiments were ... -
Multiphase Flow Metering with Multimodal Sensor Suite for Identification of Flow Regimes, and Estimation of Phase Fractions and Velocities
Kazmi, Noorain Syed (Master thesis, 2023)In this Master Thesis, data-driven multiphase flow metering models are developed to classify flow regimes and to estimate phase fractions and velocities of two-phase air/water flow after collecting data from the horizontal ... -
Multiphase flow metering – estimation of flow velocities of component phases using multimodal sensor suite
Rasmussen, Andreas Lund (Master thesis, 2022)There are many good alternatives to measure single-phase flow with high accuracy, but measuring multiphase flow is challenging. The sand detectors used on Equinor’s oil and gas installations use a piezoelectric sensor to ... -
Off-field Testing of Grid Scenarios at Medium Voltage in Flexible AC Transmission Systems involving Wind Energy
Lorenzen, Helge; Timmerberg, Josef; Lüken, Tim; Mylvaganam, Saba (Chapter, 2020)As a result of the geographical location of north-western Germany, the local grid operator EWE NETZ has a pioneer role with respect to the integration of renewable energy sources in existing AC transmission systems. About ... -
Online Drilling Fluid Flowmetering in Open Channels with Ultrasonic Level Sensors using Critical Depths
Chhantyal, Khim; Viumdal, Håkon; Mylvaganam, Saba (Journal article; Peer reviewed, 2017)In drilling operations, non-Newtonian drilling fluid is continuously circulated in a closed loop. One of the ways to monitor and regulate drilling operations is by accurately measuring the flow rate of circulating drilling ... -
Rheological characterization of non-Newtonian Drilling Fluids with non-invasive Ultrasonic Interrogation
Jondahl, Morten Hansen; Viumdal, Håkon; Mozie, Kenneth Nonso; Mylvaganam, Saba (Journal article; Peer reviewed, 2017)The drilling process is generally costly and time consuming and prone to serious hazards. Cost-efficiency and enhanced safety measures are vital for any drilling operation. Recent studies indicate that poor reliability in ... -
Soft Sensing of Non-Newtonian Fluid Flow in Open Venturi Channel Using an Array of Ultrasonic Level Sensors—AI Models and Their Validations
Chhantyal, Khim; Viumdal, Håkon; Mylvaganam, Saba (Journal article; Peer reviewed, 2017) -
Sustainability Awareness through STEAM+
Timmerberg, Josef; Halvorsen, Hans-Petter; Viumdal, Håkon; Mylvaganam, Saba (Peer reviewed; Journal article, 2021)Innovative technology enterprises have been working closely with OECD countries to address issues related to sustainability. There are many acronyms associated with STEM, e.g. STEM+, incorporating the humanities, community ...