117 uppsatser · sida 3 av 8
… to prevent twining around the driveshaft, and prevent dirt from entering the cooling system. Nowadays external cooling system is only used on large pumps. The system filters the pumped medium through the thin slit to prevent clogging of the cooling pipes and uses it to cool the …
Utvärdering av projektering och utförande av åtgärder, samt utveckling av dimensioneringsmetod för kylsystem
… part deals with calculation of the risk for thermal cracks and design of water cooling as a limiting measure. Two complementary methods are reviewed for efficient calculation: ? the handbook method CraX1 (by Lulea University of Technology) is used for quick verification ? finite …
Cooling down the indoor air can be done in several ways. One way is desiccantcooling which will be used at the Stockholm Arena. This method is used in airhandling units that use temperature changes and moisture fluctuations in the air. Oneof the steps is to add heat during the …
… of this thesis was to examine the potential of heat recovering from milk cooling. Two milk farms, one with voluntary milking system, VMS, and the other with conventional milking system was used to measure interesting temperatures and electricity consumptions. The numbers were …
… samt motivation och ambition. Den senare delen av studien berör frågan om cooling down, det vill säga om de sökande upplever att deras ambitioner blir dämpade eller modifierade. De teoretiska utgångspunkterna som valts är dels en karriärteori som benämns som CIP - Cognitive …
… area was to calculate a model of how much fresh water that is used during a cooling sequence in the water based heating/cooling system of the reactors and give a suggestion of a suitable reuse for this water. The main result is a total survey of the energy consumption in steam …
… Heat AB is a district heat provider in Drefviken, but has yet to establish any cooling systems in this area. This thesis examines the potential client base within the area today and over the coming 20 years. The feasibility of the most common cooling technologies is evaluated …
… hydropower turbines. The parameters used except the bearing temperature were cooling water temperature and cooling water flow. A simple static model based on data sampled every minute was developed to estimate the bearing temperature. Then a detector for detection of change in …
… Hydrogen Peroxide (H2O2). Tulips which are forced in water have a shorter cooling period compared with the other category which needs more cooling space. Pre-cooled bulbs can be bought to save further more space. It is therefore possible to use the same forcing trays 2-3 times …
Impressive cooler
… with today’s technique but a new design. Alt 2: Thermos with external cooling and a design which follows the X9. We choice alt 2 because of the fact that part of the production would fit Coffee Queens factory and therefore would it be possible to keep the costs down. The fact …
Sauna Lighting
… The work of constructing of a lightning armature which the capability of cooling down the LED lightning was carried out during autumn ?06 and spring ?07. The project resulted in a brand new concept of sauna lightning, the usage of LED technology in the sauna have opened up new …
en kartläggning av möjligheter och begränsningar vid Vattenfall Värme Uppsala Block 5
Vattenfall district Heating power plant in Uppsala produces district cooling with absorption heat pumps which leads to a large amount of waste heat that has to be cooled with evaporative cooling towers. The Environmental Court has ordered Vattenfall to survey the possibilities …
… the engine and coolant temperature increases as well due to insufficient cooling performance (because of design issues, cost etc.). Also, emission legislations, both current and future, require more and more measures to be taken by engine manufacturers. One way of meeting the …
För en forskningsutrustning
… this project equipment to provoke these fatigue failure by rapidly heating and cooling test subjects in cycles, was ordered. Design and manufacturing of the equipment was handled internally at LIU. The equipment was built using a furnace that is lowered and raised over the table …
The Rya power plant in Borås produces district heating, district cooling and electricity. The plant is owned by Borås Energi och Miljö AB and is run by Dalkia Facility Management AB.In order to get the best heat exchange from the district hot water a pair of twin pumps and a …
