Sökning: "drag reduction"

Visar resultat 16 - 20 av 66 uppsatser innehållade orden drag reduction.

1. 16. Semi-Supervised Deep Learning using Consistency-Based Methods for Segmentation of Medical Images

   Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Författare :Axel Rönnberg; [2020]
   Nyckelord :;

   Sammanfattning : In radiation therapy, a form of cancer treatment, accurately locating the anatomical structures is required in order to limit the impact on healthy cells. The automatic task of delineating these structures and organs is called segmentation, where each pixel in an image is classified and assigned a label. LÄS MER

3. 17. Parametric Adjoint Optimization of a Twisted Rudder

   Master-uppsats, KTH/Marina system

   Författare :Andreas Hörberg; [2020]
   Nyckelord :Maritime; CFD; Optimization; Adjoint method; Twisted rudder; Sjofart; CFD; Optimering; Adjointmetoden; Tvistat roder;

   Sammanfattning : Optimization methods are commonly used to develop new products and are also an importantstep in more incremental design improvements. In the maritime industry, these methodsare often used to create more ecient vessels and to ful ll the environmental requirementsimposed by the IMO. In recent years, the adjoint method have been used more frequently. LÄS MER

4. 18. Numerical study of the effects of wind-tunnel conditions on a passenger vehicle in crosswinds

   Master-uppsats, KTH/Teknisk mekanik

   Författare :Sahil Gupta; Vivek J Shah; [2020]
   Nyckelord :;

   Sammanfattning : Wind tunnel tests is a necessity when it comes to study of aerodynamic flow field around vehicle in its development process. However, there are certain limitations on physical wind tunnel tests during vehicle development process. This includes high running costs and interference effects due to blockage and boundary conditions. LÄS MER

5. 19. Optimal Cooperative Platooning Using Micro-Transactions

   Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Avdelningen för systemteknik

   Författare :Philip Ahl; [2020]
   Nyckelord :platooning; optimal control; dynamic programming; convoy; platoon; scania; micro-transactions; decentralized;

   Sammanfattning : The urge to consume does not seem to stop, thus, the need for transportation of goods will most likely not decrease. At the same time jurisdictions and regulations around greenhouse gas emissions are sharpening and pushing the industry towards a more environmentally friendly state. LÄS MER

7. 20. Experimental Evaluation of Spray Reduction Technologies

   Master-uppsats, KTH/Marina system

   Författare :Svante Lundmark; [2019]
   Nyckelord :;

   Sammanfattning : This report concerns the efficiency of a novel spray deflector design. The novel design is analyzed and compared to a bare hull and a bare hull fitted with spray rails by experimental testing in a towing tank. LÄS MER