Sökning: "Role transitions"

Visar resultat 1 - 5 av 193 avhandlingar innehållade orden Role transitions.

1. 1. On the Role of Envisioned Futures in Sustainability Transitions

   Författare :Alexandra Nikoleris; Miljö- och energisystem; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; förväntningar; socio-teknisk förändring; framtidsbilder; envisioned futures; sustainability transitions; expectations; structure and agency;

   Sammanfattning : Different kinds of representations of the future are often asked for in order to motivate and inspire societal change. These envisioned futures can be based on political or behavioural change, or may visualize technical developmentwhich could help us solve complex societal problems. LÄS MER

3. 2. New Tides in Shipping : Studying incumbent firms in maritime energy transitions

   Författare :Ignė Stalmokaitė; Björn Hassler; Johanna Yliskylä-Peuralahti; Tommy Larsson Segerlind; René Taudal Poulsen; Södertörns högskola; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; shipping; incumbent firms; maritime energy transitions; multi-level perspective; dynamic capabilities; regime-niche interactions; decarbonisation; air-borne emissions; sustainability transitions; Environmental Studies; Miljövetenskapliga studier; Östersjö- och Östeuropaforskning; Baltic and East European studies;

   Sammanfattning : Shipping is a cornerstone of global transportation responsible for moving large volumes of traded goods. At the same time, negative environmental impacts of shipping operations have attracted growing concerns. LÄS MER

4. 3. Sustainability Transitions in Established Industries : The case of European Commercial Transport Vehicles

   Författare :Behbood Borghei; Thomas Magnusson; Lars Coenen; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Sociotechnical transitions; Multilevel Perspective; System Innovations; Environmental Innovation; Systems of Innovation; Institutions; Environmental policy; Environmental regulation;

   Sammanfattning : With the increasing trends in trade of goods and services as well as the expansion of road infrastructure and networks, commercial road transport has dominated a significant share of inland and urban logistics in the world and particularly in Europe. This includes not only the basic supply of citizens’ needs through long-haul traffic and short-distance city trucks but also by providing urban services such as courier delivery, household waste  pickup and refuse collection as well as passengers movements by public bus transport and inter-city coach transit. LÄS MER

5. 4. Phase transitions in novel superfluids and systems with correlated disorder

   Författare :Hannes Meier; Mats Wallin; Asle Sudbø; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; condensed matter physics; phase transitions; critical phenomena; spin models; quantum phase transitions; quantum fluids; superfluidity; superconductivity; disordered systems; Bose glass; dirty bosons; vortex pinning; statistical mechanics; Monte Carlo simulation; Wolff algorithm; classical worm algorithm; Wang-Landau algorithm; Fysik; Physics;

   Sammanfattning : Condensed matter systems undergoing phase transitions rarely allow exact solutions. The presence of disorder renders the situation  even worse but collective Monte Carlo methods and parallel algorithms allow numerical descriptions. LÄS MER

7. 5. Phase transitions in high-temperature superconductors

   Författare :Jack Lidmar; KTH; []
   Nyckelord :Superconductivity; Vortices; Phase transitions; Strongly correlated fermions; High-temperature superconductivity; Monte Carlo simulations.; TECHNOLOGY; TEKNIKVETENSKAP;

   Sammanfattning : Thermal fluctuations and disorder strongly influence the behaviour of hightemperature superconductors. In particular the vortices play a key role in determining their properties. In this thesis the main focus lies on phase transitions, both in ultra-thin films and in three-dimensional systems, which are driven by vortex fluctuations. LÄS MER