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Visar resultat 6 - 10 av 12 uppsatser som matchar ovanstående sökkriterier.

1. 6. Elproduktion från lågvärdig spillvärme med ny teknik; ECT-processen : Modellering och jämförelse med Organic Rankine Cycle

   Magister-uppsats,

   Författare :Sarah Larsson; Tamara Dragic; [2016]
   Nyckelord :;

   Sammanfattning : The constantly growing population in the world is putting more and more pressure on the earth and its natural resources. Meanwhile, the use of fossil fuels keeps creating carbon dioxide emissions that accelerates the global warming. LÄS MER

3. 7. Comparative Study of Different Organic Rankine Cycle Models: Simulations and Thermo-Economic Analysis for a Gas Engine Waste Heat Recovery Application

   Master-uppsats, KTH/Kraft- och värmeteknologi

   Författare :Tihomir Rusev; [2015]
   Nyckelord :ORC; Waste Heat Recovery; Aspen Plus; Cascaded Cycle; Thermo-Economic; ORC Simulations; ORC Models; ORC Model Comparisons; Gas Engine Waste Heat Recovery; Hot Exhaust Gases; Multiple Waste Heat Sources; ORC Waste Heat Power Generation; Heat and Power; Combined Cycle; Siloxane;

   Sammanfattning : Increasing the efficiency of conventional power plants is a crucial aspect in the quest of reducing the energy consumption of the world and to having sustainable energy systems in the future. Thus, within the scope of this thesis the possible efficiency improvements for the Wärtsilä 18V50DF model gas engine based combine power generation options are investigated by recovering waste heat of the engine via Organic Rankine cycle (ORC). LÄS MER

4. 8. Performance and size assessment of ORCs in mobile military power generation

   Master-uppsats, KTH/Kraft- och värmeteknologi

   Författare :Kristina Eriksson; Henrik Persson; [2015]
   Nyckelord :;

   Sammanfattning : In this study the suitability of small-scale organic Rankine cycles in military power generation is evaluated. It is presupposed that external combustion engines have favorable characteristics in terms of noise, heat and vibration signals. LÄS MER

5. 9. Comprehensive Analysis of Organic Rankine Cycles for Waste heat recovery applications in Gas Turbines and IC Engines

   Master-uppsats, KTH/Elkraftteknik

   Författare :Alejandro Tristan; [2014]
   Nyckelord :;

   Sammanfattning : Executive Summary This investigation aimed to assess the true technical and environmental potential, plus economic feasibility of the ORC technology as bottoming cycles for Gas turbines and IC Engines power applications. The assessment started by creating a modeling tool using the software EES in order to model several bottoming cycle configurations and match them with the mentioned power generation technologies. LÄS MER

7. 10. Analysis of Parabolic Trough Solar Energy Integration into Different Geothermal Power Generation Concepts

   Master-uppsats, KTH/Kraft- och värmeteknologi

   Författare :Sören Vahland; [2013]
   Nyckelord :Geothermal Power Generation; Concentrating Solar Power; Parabolic Trough; Hybridization; Aspen Plus Simulation; Thermodynamic Evaluation; Exergy Analysis; Economic Assessment; Levelized Costs of Electricity;

   Sammanfattning : The change in climate as a consequence of anthropogenic activities is a subject ofmajor concerns. In order to reduce the amount of greenhouse gas emissions inthe atmosphere, the utilization of renewable, fossil-free power generationapplications becomes inevitable. LÄS MER