In order to enhance the fundamental understanding of thin film evaporation and thereby improve the critical design concept for two-phase heat transfer devices, microscale heat and mass transport is to be investigated for the transition film region using Continue reading
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Energy based Projects
Dynamic Modeling of Contact-Mode Triboelectric Generators by Lagrange’s Equations
Electret based energy scavenging devices utilize electrostatic induction to convert mechanical energy into electrical energy. Uses for these devices include harvesting ambient energy in the environment and acting as sensors for a range of Continue reading
Design and Dimensioning of Pressure Vessel for a Marine Substation
This project presents the mechanical design and dimensioning of a pressure vessel, which is to be used as housing for a marine substation in a wave power park. A concept for generation of electricity from ocean waves is being developed at the Continue reading
Detection of Frazil Ice at Water Intakes at Träbena Power Station
Frazil ice is a phenomenon that takes place in cold regions when the water of rivers, lakes or oceans is cooled under 0ºC. Several times during winter, frazil ice can appear at Continue reading
Refrigeration System Performance Using Alternative Refrigerants
When running a refrigeration system, the refrigerant will always leak into the atmosphere in various ways. The leakage of currently used refrigerants have a non-negligible impact on the Continue reading
Preparing an Existing Diesel Power Plant for a Wind Hybrid Retrofit
There are many reasons why diesel power systems are so widespread. Diesel generators are by far the lowest capital cost electric generation technology in the sub-MW size range. They are a well-established and well-understood technology and there is a Continue reading
Development of a New Biomass Stove Integrated with a Stirling Engine
1.2 billion people around the world, mainly in the developing countries, live without access to electricity. To increase the living standard for this Continue reading
Electrification Planning in Zimbabwe: a GIS-based Approach
In Zimbabwe, the access to electricity is significantly low, especially in rural areas. This inhibits the economic and social development of the country. In order to tackle energy poverty, the government aims at Continue reading
Piezoelectric Energy Harvesting Devices for Recharging Batteries
Piezoelectric materials can be used as a means of transforming ambient vibrations into electrical energy that can be stored and used to power other devices. With the recent surge of micro scale devices, piezoelectric power generation can provide a convenient Continue reading
Modelling and Simulation of a Power Take-off in Connection with Multiple Wave Energy Converters
ABSTRACT
The objective of this project is to develop a model that will integrate multiple buoys to a power take-off hub. The model will be derived using a time domain analysis and will consider the hydraulic coupling of the buoys and the Continue reading
Implementation of a Stirling Engine Generation System for Residential Use in Rural Areas of Beni Department of Bolivia
This thesis summarizes a degree project in Sustainable Energy Engineering, carried out by two students at the Royal Institute of Technology, Stockholm, in the year of 2014. As the extension of the power grid in Continue reading