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Showing result 21 - 25 of 134 essays matching the above criteria.

1. 21. Modelling an air handling unit, building and occupant, regarding energy, moisture and frost protection

   University essay from Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

   Author : Marius Daugela; [2022]
   Keywords : Technology and Engineering;

   Abstract : Frost formation in heat exchangers is an often accruing issue in cold climates. The aim of the project is to calculate the risk of frost formation in different Swedish cities by modeling vapor and frost behavior in heat exchangers... READ MORE

3. 22. Construction and Validation of a Lab-scaleBorehole Thermal Energy Storage Model

   University essay from KTH/Skolan för industriell teknik och management (ITM)

   Author : Haoyang Dong; [2022]
   Keywords : borehole heat exchanger; lab-scale model; experimental construction; experiment test; validation; borrhålsvärmeväxlare; labbmodell; experimentell konstruktion; experimenttest; validering;

   Abstract : Borehole heat exchangers are widely used in heat pumps of residential buildings and industrialsystems. It is known as one of the most energy ecient technologies which provides heatingand cooling by using sustainable geothermal energy. The life time of borehole heat exchangerslasts more than 50 years which is longer than combustion boilers. READ MORE

4. 23. An Investigation of Methods for Flow Measurements in a Gasketed Plate Heat Exchanger for Predictive Maintenance

   University essay from Lunds universitet/Avdelningen för Biomedicinsk teknik

   Author : Viktor Ekström; [2022]
   Keywords : gasketed plate heat exchanger; electrical measurements; sensors; predictive maintenance; machine learning; Technology and Engineering;

   Abstract : For a company to stay relevant in the long term, it is essential to keep up with the latest technology and continuously consider new innovative solutions for improving products and services. The gasketed plate heat exchanger (GPHE) is a mechanical device, and this work attempts to investigate different possibilities for incorporating sensor devices and predictive maintenance systems to improve the device. READ MORE

5. 24. CFD investigation of Plate Channels

   University essay from Lunds universitet/Institutionen för energivetenskaper

   Author : Anton Johannesson; [2022]
   Keywords : Plate Heat Exchanger; Turbulence modelling; Generalized k-omega; GEKO; CFD; Computational Fluid Dynamics; Technology and Engineering;

   Abstract : Alfa Laval has a wide product range for plate heat exchangers that can be applied in most industries. The constant development of new and old heat exchangers drive the need for new and efficient methods that can reliably be used in the development process. READ MORE

6. 25. An evaluation of the influential factors on energy performance: A case study of a shopping mall

   University essay from Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

   Author : Maryam Rabitabar; [2022]
   Keywords : Energy; building performance; relations; measured data; data analysis; Pearson Correlation Coefficient; statistical method; HVAC systems; complex building; shopping malls; Technology and Engineering;

   Abstract : Shopping malls are becoming more prevalent throughout the world. They have been identified as having high energy use, which is less explored than other building types. There are 357 shopping centers in Sweden, which has doubled in the last five years. READ MORE