Essays about: "thesis about oil"

Showing result 1 - 5 of 123 essays containing the words thesis about oil.

  1. 1. Vibroacoustic Analysis of an OLTC Diverter Switch for Condition Monitoring : Time frequency analysis with Fourier and wavelet transform in combination with multivariate logistic regression for condition monitoring of OLTC diverter switch

    University essay from Uppsala universitet/Avdelningen för systemteknik

    Author : Simon Persson; [2023]
    Keywords : Wavelet transform; CWT; logistic regression; machine learning; ML; vibroacoustic analysis; time frequency analysis; tap changer; diverter switch; power transformer; classification; prediction; condition; vibrations; state prediction; Hitachi Energy;

    Abstract : Vibrations are everywhere around us all the time and we often recognise them as sounds that we can hear and analyse with our brain. In this thesis, data that has been gathered from a diverter switch (DS) in a controlled environment, is analysed. READ MORE

  3. 2. Pilot Study: Test Rig for Self-lubricating Kaplan Runner Bearings

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Bhairav Khadke; [2023]
    Keywords : Hydropower; Kaplan turbine; Self-lubricating bearing Test rig. Hydropower; Kaplan turbine; Self-lubricating bearing Test rig.; Vattenkraft; Kaplanturbin; Självsmörjande lager Testrigg.;

    Abstract : Hydropower has a relatively small impact on the climate and contributes to almost half of Sweden’s electricity production. Vattenfall own and operate roughly 125 large scale hydro power units of which about half utilizes a Kaplan turbine. READ MORE

  4. 3. Test rig for gear transmissions in electrical applications

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Gustaf Axelström; [2023]
    Keywords : power circulation; gear test rig; gear testing; effektcirkulation; testrigg; kugghjulstest;

    Abstract : Due to the environmental problems associated with fossil fuels and a big need from the market, the majority of the automotive industry is going towards fully electric vehicles (EVs). To further reduce the environmental footprint there is ongoing research on the use of fossil-free lubricants, if they could be used to lubricate the drive train which could further reduce the use of fossil oil in the automotive industry. READ MORE

  5. 4. Next generation of sustainable packaging for Danish skincare scale-up

    University essay from Lunds universitet/Förpackningslogistik

    Author : Carl Craft; [2022]
    Keywords : life cycle assessment; LCA; packaging materials; cosmetics packaging; sustainability; polypropylene; polyethylene; polylactide; polyhydroxyalkanoates; aluminium.; Technology and Engineering;

    Abstract : The Cosmetic packaging industry is on the rise and through consumer demand, cosmetic companies are increasing their focus on sustainability and accountability. This has left many companies in need of a deeper understanding regarding the environmental impact of their current packaging solutions as well as how to improve their footprint in the future. READ MORE

  6. 5. Urban Uncertainties

    University essay from KTH/Arkitektur

    Author : Josephine Harold; [2022]
    Keywords : Urban development; threshold; Stockholm; continuity; zine; urban planning; city; biodiversity; contamination; appropriation; re-use; alteration; Bergs Hamn; Bergs gård; Nacka; up-cycling; cistern;

    Abstract : Throughout the last decades the linear urban development in Stockholm can be retraced to the idea of supply and demand, society’s view on the elimination of risk, while increasingly detaching from natural processes. This thesis offers a critical evaluation of the socio-economic situation of space production, while trying to argue for a new semantic recodification of urban organisational processes while reconnecting to a socio-biodiverse narrative. READ MORE