Essays about: "life-span"

Showing result 1 - 5 of 116 essays containing the word life-span.

  1. 1. Beständigheten hos brandimpregnerat trä

    University essay from Lunds universitet/Avdelningen för Brandteknik

    Author : Filip Engström; Hannes Psajd; [2024]
    Keywords : Fire retardant treated wood; ISO 5660–1; Permanence; Euroclass; Cone Calorimeter; ConeTools; Infrared spectroscopy; Technology and Engineering;

    Abstract : This report explores the properties of fire-retardant treated wood. This report has investigated the permanence for this material as well as seeing if the process of accelerated aging, which are used to determine the life span of the material, can be comparable to natural aging. READ MORE

  3. 2. Solutions for presence detection in an intercom door station

    University essay from Lunds universitet/Industriell elektroteknik och automation

    Author : Anton Bengtsson; Måns Andreasson; [2023]
    Keywords : presence detection; sensor technology; PIR; ultrasonic; radar; intercom; Technology and Engineering;

    Abstract : In this work, different solutions for human presence detection in a door intercom device are examined. The study was conducted at a company in Lund, Sweden. READ MORE

  4. 3. The design of a hydraulic equalizer bar for the feeding mechanism on forest harvester heads

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

    Author : Arvid Söderlund; [2023]
    Keywords : Harvester; Harvester head; Komatsu Forest; Hydraulics; Equalizer bar; Parallellstag; Stag; Skogsmaskin; Skördare; Aggregat; Skog;

    Abstract : Due to the importance of a correct tree placement and the wear that occurs to equalizer bars inharvester heads, Komatsu Forest AB in Umeå was interested if the bar could be replaced with ahydraulic system. According to Komatsu, the problems were that the equalizer bars that are responsible forsynchronizing the delimbing knives and feeding mechanism add weight, take up space and have atendency to break before their life expectancy. READ MORE

  5. 4. Fault Detection in PV System using Machine Learning Technique

    University essay from Högskolan Dalarna/Mikrodataanalys

    Author : Adhyapadi Apoorva Bhat; Jomin Koothenparambil Joy; [2023]
    Keywords : Machine learning; Fault Detection; Cluster; Regression model; PV System; Prediction; Solar Power; Renewable Energy;

    Abstract : With the steady and rapid reliance on solar power as a viable alternative to traditional fuel-based energy, maintenance of solar panels is becoming an unavoidable issue for both producers and consumers. Machine learning techniques are useful in detecting solar panel faults and their life span. READ MORE

  6. 5. The effect of life history and weather on onset of flowering and length of flowering period of agricultural weeds

    University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

    Author : Amanda Karpaty Wickbom; [2023]
    Keywords : global warming; agricultural weeds; first flowering; flowering phenology;

    Abstract : With a warming climate and the usage of monocultures in food production it is possible we may face more issues concerning food insecurity in the future as pollinators struggle to find food in agricultural landscapes. Therefore, it is of value to know whether common agricultural weeds are important sources of food for pollinators. READ MORE