Essays about: "underhåll"

Showing result 21 - 25 of 408 essays containing the word underhåll.

  1. 21. Life extension of welded steel details in bridges

    University essay from KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

    Author : Zhelei Jin; [2023]
    Keywords : Welded joints; Fatigue; Pre-fatigue; Life extension; Fracture mechanics; Finite element analysis; HFMI; ; Svetsade fogar; utmattning; förutmattning; livsförlängning; frakturmekanik; finit elementanalys; HFMI; ;

    Abstract : High-Frequency Mechanical Impacts (HFMI) is a surface treatment technique utilized to introduce residual stresses and extend the service life of structures. This project primarily focuses on studying the life extension effects of HFMI on welded structures that have undergone fatigue and have existing cracks. READ MORE

  2. 22. Monitoring Sustainability Performance during the Use Phase of Product-Service Systems

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Matilda Samuelsson; [2023]
    Keywords : Product-Service System PSS ; Sustainable Business Model; Use Phase; Assessment and Monitoring; Key Performance Indicators KPIs ; Produkttjänstsystem PSS ; Hållbar affärsmodell; Användningsfas; Bedömning och Kontroll; Nyckeltal KPI:er ;

    Abstract : Circular economy (CE) is widely seen as a potential solution to negative impacts caused by thelinear economy; however, companies must integrate CE principles into the business modeldeeper to achieve sustainable development. The Product-Service System (PSS) businessmodel is a potential solution to the superficial implementation of CE due to shifting the focusto delivering functionality rather than ownership. READ MORE

  3. 23. Towards Affordable Sodium-Ion Batteries : Mechanochemical Synthesis and Electrochemical Assessment of Iron-Based Fluorophosphate Cathode Material

    University essay from KTH/Materialvetenskap

    Author : Ratna Juwita; [2023]
    Keywords : Sodium-ion batteries; electrical energy storage EES ; iron oxide; positive electrode; material characterization; electrochemical; discharge capacity.; Natriumjonbatterier; elektrisk energilagring EES ; järnoxid; positiv elektrod; materialkarakterisering; elektrokemisk; urladdningskapacitet;

    Abstract : An urgent transformation from fossil fuels to cleaner energy sources to combat climate change has led to the utilization of renewable energies like solar, wind, and tidal power. However, the intermittency of these sources hinders their wider implementation. To address this, large-scale electrical energy storage (EES) systems are needed. READ MORE

  4. 24. Theoretical Analysis of Sewer Pipe Inspections andOptimization of CCTV Inspection for EffectiveMaintenance: Moving from Reactive to Proactive : A Guide Towards Selecting and Implementing Advanced Technologies forEnhanced Sewage Infrastructure Management

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Randi Faiz Denha; [2023]
    Keywords : CCTV sewage inspection; digital scanning; zoom cameras; electro-scanning and SONAR;

    Abstract : The wastewater- and sewage distribution network is a critical aspect for maintaining a socialandenvironmental well-being. However, in the latest time, many failures (such as leakages) haveoccurred due to poor conditions in the wastewater-infrastructure, causing several consequencessuch as damage to the environment or pose health hazards to the public. READ MORE

  5. 25. Best practices for automation implementation in the underground mining industry

    University essay from Luleå tekniska universitet/Institutionen för ekonomi, teknik, konst och samhälle

    Author : Oscar Lagerqvist; [2023]
    Keywords : Automation; Mining; Implementation;

    Abstract : Automation är nästa stora steg för gruvindustrin. Genom att implementera automation i de processer som finns i gruvindustrin så kan gruvor öka produktiviteten av sina maskiner, gruvor kommer kunna bättre planera för de material, utrustning och personal som används för att öka effektiviteten, automation kommer även möjliggöra att gruvorna kan bättre förutse när maskiner kommer behöva underhåll, samt att automation ökar säkerheten då det minskar behovet för att ha människor på plats i gruvan. READ MORE