Search for dissertations about: "boiler design"
Showing result 21 - 25 of 34 swedish dissertations containing the words boiler design.
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21. Using exergy and optimization models to improve industrial energy systems towards sustainability
Abstract : With finite natural resources and large energy demands in the world, a sustainable development approach becomes increasingly important in the improvement of energy systems. The concept of sustainability is examined with relation to exergy flows on the earth. The present industrial society is obviously not sustainable. READ MORE
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22. Combined solar and pellet heating systems for single-family houses : How to achieve decreased electricity usage, increased system efficiency and increased solar gains
Abstract : In Sweden, there are about 0.5 million single-family houses that are heated by electricity alone, and rising electricity costs force the conversion to other heating sources such as heat pumps and wood pellet heating systems. Pellet heating systems for single-family houses are currently a strongly growing market. READ MORE
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23. Lignin Extraction from Black Liquor - Precipitation, filtration and washing
Abstract : Various process streams in the pulp and/or paper mill contain valuable substances which can be converted into new products, e.g. lignin and xylane. READ MORE
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24. Structured Model Reduction and its Application to Power Systems
Abstract : Many of today’s engineering systems have a network structure. Consider for instance power systems, where multiple grids of different geographical coverage are interconnected to form larger grids, a set of vehicles moving in formation or distributed control systems, where several controllers act locally with limited information. READ MORE
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25. Drying and Pyrolysis of Logs of Wood
Abstract : This work concerns log firing in small-scale boilers for house heating, which in Sweden meets a heat demand of 12 TWh a year. In boilers used for domestic central heating in the sizes of 10 to 30 kW the predominant combustion technique is grate firing. READ MORE