Essays about: "Birka"

Showing result 11 - 15 of 16 essays containing the word Birka.

  1. 11. Implementation of Reliability Centered Asset Management method on Power Systems

    University essay from KTH/Skolan för elektro- och systemteknik (EES)

    Author : Yu Zhang; [2017]
    Keywords : Asset management; Reliability centered maintenance RCM ; Reliability centered asset management RCAM ; Multi-objective optimization; Maintenance optimization; Power system maintenance;

    Abstract : Asset management is getting increasingly important in nearly all fields, especially inthe electric power engineering. It is mainly due to the following two reasons. First isthe high investment cost include the design cost, construction cost, equipment costand the high maintenance cost. READ MORE

  2. 12. Reflections in the dark : Ground-penetrating radar surveys for the detection of Viking Age and early medieval harbor remains in Sigtuna, Sweden

    University essay from Stockholms universitet/Arkeologiska forskningslaboratoriet

    Author : Anne Homeister; [2015]
    Keywords : Geophysik; Georadar; Sigtuna; harbor; Viking Age; early medieval; Geofysik; Georadar; Sigtuna; Uppland; hamnar; Draken; Urmakaren; Koppardosan; Borgmästarängen; Vikingatiden; tidig medeltid;

    Abstract : In this thesis a ground-penetration radar survey was carried out in four areas, Borgmästarängen, Draken, Urmakaren and Koppardosan in Sigtuna. The aim of this paper is to detect remnants of the Viking Age harbor at those chosen sites. READ MORE

  3. 13. Geophysical Mapping around Björkö Island in Lake Mälaren, South central Sweden

    University essay from Institutionen för geologiska vetenskaper

    Author : Oscar Fransner; [2013]
    Keywords : Marine geosciences; geophysics; archeology; Birka; Mälaren; subbottom profiling; sediment stratigraphy; multibeam echosounder; backscatter; angular range analysis; shipwrecks.;

    Abstract : The former Viking settlement Birka is located on Björkö Island in Lake Mälaren, the third largest lake in Sweden. Birka is a well-known archeological site that onshore has been carefully examined. READ MORE

  4. 14. Weighing the Evidence : -Determining and Contrasting the Characteristics and Functionality of Loom Weights and Spindle Whorls from the Garrison at Birka

    University essay from Arkeologiska forskningslaboratoriet

    Author : Ida Thorin; [2012]
    Keywords : Loom weight; Spindle whorl; Textile production; Birka; Birka Garrison; Vävtyngd; Sländtrissa; Textiltillverkning; Birka; Birkas garnison;

    Abstract : The focus for this study is the illumination of the function of loom weights and their purpose within the warp-weighted loom. This study deals with Iron Age loom weights excavated at Birka, within the area known as the Garrison. READ MORE

  5. 15. Devaluing the mitqal : Inherent Trading Fees in the Metrics of Birka

    University essay from Arkeologiska forskningslaboratoriet; Institutionen för arkeologi och antikens kultur

    Author : Joakim Schultzén; [2009]
    Keywords : archaeological science; metrology; viking age; Birka; Sigtuna; 3D scanner; weights; laborativ arkeologi; metrologi; vikingatid; Birka; Sigtuna; 3D skanner; viktlod;

    Abstract : Abstract: Previous research on the Viking Age trade centre of Birka has suggested the parallel use of two harmonising standard weight units, differing in mass by five percent. As an explanation to this phenomenon, this paper puts forward a hypothesis of a trading fee, embedded in the weights. READ MORE