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Showing result 1 - 5 of 181 essays matching the above criteria.

1. 1. Conjugate Heat Transfer Analysis of HPGP Thruster

   University essay from Luleå tekniska universitet/Rymdteknik

   Author : Lisa Svensson; [2024]
   Keywords : aerospace; HPGP; ECAPS; ANSYS; conjugate heat transfer; thruster; space;

   Abstract : This master's thesis was conducted in collaboration with ECAPS, where a conjugate heat transfer analysis on their High Performance Green Propulsion (HPGP) 22N thruster was done. ECAPS is a Swedish propulsion company specializing in green propulsion. They develop thrusters for spacecraft orbit and attitude control, utilizing the propellant LMP-103S. READ MORE

3. 2. Groundwater Modelling in southeast Cambodia - Facing irrigation and groundwater level changes during a pandemic

   University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

   Author : Svea Bertolatus; [2024]
   Keywords : Cambodia; GMS Modflow; Groundwater modelling; irrigation; Mekong; Prey Veng; Svay Rieng; Technology and Engineering; Earth and Environmental Sciences;

   Abstract : In the Mekong region, sustainable water resource management is a significant challenge for all countries involved. In Cambodia, where rice production is crucial for household food security and export, groundwater is increasingly used for irrigation during the dry season, leading to higher rice yields. READ MORE

4. 3. Modeling PFAS Transport in Groundwater - Exploring current approaches and evaluating parameter importance

   University essay from Lunds universitet/Väg- och vattenbyggnad (CI); Lunds universitet/Teknisk geologi

   Author : Clara Eklund; [2023]
   Keywords : PFAS; Groundwater modeling; FEFLOW; Python; Machine learning; Technology and Engineering;

   Abstract : PFAS contamination in drinking water is a current problem, and new regulations for drinking water limits were recently implemented in each member country of the EU in January this year. Understanding the spread of PFAS in groundwater is therefore important to prevent it from reaching drinking water sources. READ MORE

5. 4. Study of mixing and exchange in a drinking water reservoir using CFD modeling

   University essay from KTH/Skolan för teknikvetenskap (SCI)

   Author : Nadja Rabizadeh; [2023]
   Keywords : CFD; Fluid Mechanics; OpenFOAM; drinking water reservoir; URANS; transient; exchange of water; mixing; Norrvatten;

   Abstract : This thesis examines water mixing and exchange in a drinking water reservoir operated by themunicipal association Norrvatten. Recent water samples from the reservoir’s outgoing waterhave shown an increase in culturable bacteria during late summer and fall. READ MORE

6. 5. Formula Student Car Stability

   University essay from Lunds universitet/Institutionen för energivetenskaper

   Author : Oliver Belfiore; [2023]
   Keywords : Racing; Car; Vehicle; dynamics; vehicle dynamics; Technology and Engineering;

   Abstract : This thesis investigates the impact of varying passive components on the stability of a Formula Student race car. The study was conducted using a 7-post model and a lateral model, both of which were derived using Lagrangian methods and state-space modelling techniques. These models were then validated and adjusted using logged data. READ MORE