Essays about: "thermal ageing"

Showing result 1 - 5 of 13 essays containing the words thermal ageing.

  1. 1. ACCESS TO URBAN COOL AND GREEN SPACES FOR OLD ADULTS IN GOTHENBURG – A GIS-BASED ANALYSIS OF RADIANT HEAT

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Robert Klein; [2023-01-19]
    Keywords : urban climate; heat stress; mean radiant temperature; SOLWEIG; urban vegetation; urban planning;

    Abstract : Old adults are particularly vulnerable against heat stress. Considering the ageing society and the projected increase of heat events, planning for heat-resilient urban environments for old adults will become increasingly important. READ MORE

  3. 2. Service life study of environmentally friendly lubricants.

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

    Author : Marybeth Chetachukwu Ugoh; [2023]
    Keywords : Base oil; Ageing; Glycerol; PPG; PEG; Squalene; Rapeseed oil; Ester; Paraffin; Oxidation; FTIR;

    Abstract : Environmentally friendly lubricants are in demand in response to the rising concerns and restrictive legislation that surround the use of mineral oil lubricants. One area of importance is understanding the service life of the environmentally friendly base oils of these non-toxic, biodegradable and renewable alternatives. READ MORE

  4. 3. Allowing more solar power connected to the grid, using thermal and ageing models of distribution transformers.

    University essay from Högskolan Dalarna/Institutionen för information och teknik

    Author : Amena Khatun; [2021]
    Keywords : electric power distribution; solar power; renewable-electricity production; hosting capacity; distribution transformers; dynamic thermal rating; component ageing; component overloading.;

    Abstract : Increasing amounts of solar power connected to the low-voltage network will adversely affect the performance of the network. The two impacts that will most often set the limit are overvoltage with the customers and overloading the distribution transformer. READ MORE

  5. 4. Thermal induced yellowing of peroxide bleached birch pulp

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Alexander Nygren; [2020]
    Keywords : Accelerated ageing; Bleaching; Brightness reversion; Kraft pulp; pH; Yellowing;

    Abstract : Brightness reversion, also known as yellowing, is a well-known phenomenon which means that the brightness of paper products decreases during ageing. The name of this phenomenon is based on that paper products usually change in color towards yellow during ageing. READ MORE

  6. 5. Key Performance Indicators for the monitoring of large-scale battery storage systems

    University essay from KTH/Energiteknik

    Author : Emeric Brun; [2019]
    Keywords : ;

    Abstract : In the context of the fight against climate change, the electricity sector is experiencing a complete renewal. Power grids are undergoing a transformation from centralized and unidirectional systems to multilevel and more integrated networks with, among others, the insertion of intermittent Renewable Energy Sources (RES) on the production side and with the emergence of new consumer behaviors on the demand side. READ MORE