Search for dissertations about: "steam pressure control"
Showing result 1 - 5 of 14 swedish dissertations containing the words steam pressure control.
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1. Modeling and Control of the Paper Machine Drying Section
University dissertation from Department of Automatic Control, Lund Institute of Technology, Lund UniversityAbstract : The topic of this thesis is modeling and control of the last part of the paper machine - the drying section. Paper is dried by letting it pass through a series of steam heated cylinders and the evaporation is thus powered by the latent heat of vaporization of the steam. READ MORE
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2. Dryer Section Control in Paper Machines During Web Breaks
University dissertation from Lund UnivAbstract : Web breaks in the dryer section of a paper machine cause loss of production and quality problems. After a web break, the steam pressure in the cylinders must be reduced to avoid overheating. READ MORE
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3. On Model Libraries for Thermo-hydraulic Applications
University dissertation from Department of Automatic Control, Lund Institute of Technology (LTH)Abstract : Popular Abstract in Swedish Om modellbibliotek för termo-hydrauliska tillämpningar. Matematiska modeller och simulering är viktiga verktyg för att hantera tekniska system. Speciellt som trenden idag är att öka komplexiteten i system genom integrerad produktion och processoptimering. READ MORE
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4. Steam and Condensate System Control in Paper Making
University dissertation from Department of Automatic Control, Lund Institute of Technology (LTH)Abstract : The function of a paper machine is to form the paper sheet and remove the water from the sheet. A modern paper machine is divided into three main parts, the wire section, the press section, and the dryer section. READ MORE
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5. Static and Dynamic Modelling of the Drying Section of a Paper Machine
University dissertation from Department of Chemical Engineering, Lund UniversityAbstract : Popular Abstract in Swedish Papperstillverkning inkluderar flera processteg såsom flisning av träråvaran, massakokning och avvattning med vakuumlådor, pressning och torkning. Flera modeller av de mest viktiga processerna i torkpartiet presenteras i denna avhandling. Modellerna beskriver både statiska och dynamiska förlopp. READ MORE
