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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Utveckling av dataanalysprogram för Opcon Powerbox / Development of data analysis software for Opcon Powerbox

Holmgren, Magnus January 2010 (has links)
Opcon Powerbox is a product developed by Opcon together with the underlying company SRM (Svenska Rotor Maskiner) where surplus heat from the industry is used through an Organic Rankine Cycle (ORC)–process to produce electricity. An ORC-process is a thermodynamic circle process in which a refrigerant is used as the working fluid. The refrigerant makes it possible for the circle process to operate at lower temperatures than the conventional Rankine process. In this master’s thesis a data analysis software for the Opcon Powerbox has been developed in which measurement data is retrieved and handled from the Opcon Powerbox. The software performs calculations and analysis on the data with which the system can be evaluated. This thesis has been carried out with SRM.
2

Elproduktion med ORC-teknik ombord på fartygsserien MK II.

Lundgren, Per, Mohlin, Håkan January 2012 (has links)
Given that the oil prices have risen and the environmental regulations has become more stringent, the interest in operating efficiency has increased. The project has investigated the possibility of producing electricity from waste heat generated in the diesel process. One technique to utilize and convert energy into electricity is the ORC (Organic Rankine Cycle). This process is based on the Rankine process (the steam process), the difference from the traditional Rankine process is that instead of water as a working medium, an organic substance is used. The main component used in the process is a evaporator, a turbine, a condenser and a pump. Opcon is a company that markets a product based on the ORC technology, called the Powerbox. During autumn 2011 and spring 2012, a feasibility study commissioned by Stena RoRo to investigate whether the Powerbox is suitable for Stenas RoRo ship series Mk II for electricity generation, in terms of economic viability and proper placement on the basis of the necessary peripherals. The survey shows that the Powerbox can be placed on the ship series Mk II. Stena has stated that this investment should have a pay-back time in three years. The Powerbox will be paid off after eight years. / Med anledning av att oljepriset har stigit och att miljökraven blivit strängare har intresset för driftoptimering ökat. Projektet har undersökt möjligheten att utvinna elektricitet från den spillvärme som uppkommer i dieselprocessen. En teknik som finns för att tillvarata och omvandla energin till elektricitet är ORC (ORGANIC RANKINE CYCLE). Denna process bygger på Rankines process (ångprocessen), skillnaden mot den traditionella Rankineprocessen är att istället för vatten som arbetsmedium används ett organiskt ämne. De huvudkomponenter som används i processen är förångare, turbin, kondensor och en pump. Opcon AB är ett företag som marknadsför en produkt som bygger på ORC-tekniken, en så kallad Powerbox. Under ht 2011 och vt 2012 har en förstudie gjorts på uppdrag av Stena RoRo för att undersöka om Opcons Powerbox är lämplig på Stenas fartygsserie Mk II för elproduktion, med avseende på ekonomisk lönsamhet samt lämplig placering utifrån nödvändig kringutrustning. Undersökningen visar att Powerboxen kan placeras på fartygsserien Mk II. Stena har uppgett att denna investering bör ha en avbetalningstid på tre år. Powerboxen kommer att vara avbetalad efter åtta år.

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