Essays about: "water channel"

Showing result 6 - 10 of 130 essays containing the words water channel.

1. 6. Methods for determining focal point and delay for ultrasound arrays and multichannel electronics

   University essay from Lunds universitet/Avdelningen för Biomedicinsk teknik

   Author : Svante Rosenlind; [2023]
   Keywords : Focusing algorithms; k-wave; Spatiotemporal inverse filter; Gerchberg- Saxton algorithm; Focused ultrasound; Technology and Engineering;

   Abstract : High intensity focused ultrasound is a growing technique for tissue ablation, among other uses, and given its destructive capabilities, there is a need for control of where the energy is delivered. There exist a number of methods for focusing such ultrasound arrays, but these often assume prior knowledge of the impulse response, or require extensive full-system simulations. READ MORE

3. 7. Consequences of alternative forest management in riparian buffer zones : a GIS analysis

   University essay from SLU/Dept. of Forest Ecology and Management

   Author : Elijah Ourth; [2023]
   Keywords : Riparian buffer zones; Continuous cover forestry; CCF; Hyggesfritt; Geographical information system; Ditch network maintenance; Ditch; Stream; Natural channel;

   Abstract : With increasing pressure from policymakers and the general public to conduct alternative forest management throughout the European Union (EU), Sweden needs to find ways to best prioritize the implementation of this alternative management. Alternative management is a term used to describe alternative management methods to clear-cut rotation forestry and can include silvicultural methods such as continuous cover forestry, management increasing proportion tree diversity and presence of broadleaves, and extended rotation lengths. READ MORE

4. 8. The Paradigm Shift for Substations Technology within Wind Power Applications from Onshore to Floating

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Ahmad Talaat Hifzy; [2023]
   Keywords : Floating; offshore; substation; transformer; GIS; equipment; high-voltage; fatigue; Flytande; havsbaserad; station; transformator; GIS; utrustning; högspänning; utmattning;

   Abstract : Floating wind turbines are attracting more attention as more than three-quarters of the total offshore technical potential is located in deep water, leading to a growing trend in floating wind farm projects. Consequently, it becomes necessary to develop Floating Offshore Substation (FOSS) to step up voltage and efficiently transmit power to the shore with minimal losses. READ MORE

5. 9. Ray-tracing Based Investigations on the Deployment of RISs in Indoor Scenarios

   University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

   Author : Swaroop Divya Sai Prem Nambala; Dexin Kong; [2023]
   Keywords : Reconfigurable intelligent surface; RIS; optimization; Ray-tracing; Mixed integer linear programming MILP ; Complex impulse response; Wireless Insite.; Technology and Engineering;

   Abstract : Reconfigurable intelligence surface (RIS) is a promising candidate technology for future 6G wireless communication systems. In existing communication systems, the network operators are unable to control the propagation environment, which causes significant limitations on communication performance. READ MORE

6. 10. Numerical modeling of airflow on the cathode-side of a bipolar flow plate : How the formed geometry affects the pressure drop and flow distribution in a hydrogen fuel cell

   University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

   Author : Olivia Johansson; [2023]
   Keywords : Performance; Cross-sectional geometry; Computational fluid dynamics;

   Abstract : Climate change and rising temperatures is a well-known problem. To tackle global warming a transition from fossil fuels to renewable and reliable energy sources is necessary. Hydrogen, in fuel cells, is proposed to replace diesel and gasoline in the transport sector. READ MORE