The ability and efficiency of today’s gas turbine engines are highly dependent on development of cooling technologies, among which film cooling is one of the most important. Investigations have been conducted towards discovering different aspects of film cooling, utilizing both experiments and...
A New Method for Robust Route Optimization in Ensemble Weather Forecasts (Mechanical Project)
This paper presents a new dynamic programming method for multi-objective route optimization of ships. The method, which is an extension of the known Dijkstra’s algorithm, uses the concept of Pareto efficiency to handle multi-objective optimization and can be used with both deterministic and...
Combustion and Heat Transfer in Meso-Scale Heat Recirculating Combustors (Mechanical Project)
Combustion in small-scale systems faces problems related to time available for chemical reaction to go to completion and the possible quenching of the reaction by the increased effects of interfacial phenomena (thermal quenching and radical quenching) that occur at the combustor walls due to...
Optimization of Calculation Models of Maintenance Offers for new Civil Engines (Mechanical Project)
The sales support department performs calculations concerning maintenance offerings for civil engines based on the use of complex tools. This report describes the missions conducted during my Master’s thesis: firstly, the establishment of a monitoring and security tool in the process of calculating...
Suspension Design for Off-road Construction Machines (Mechanical Project)
Construction machines, also referred to as engineering vehicles or earth movers, are used in a variety of tasks related to infrastructure development and material handling. While modern construction machines represent a high level of sophistication in several areas, their suspension systems...
Microfabrication and Analysis of Manifold Microchannel Coolers for Power Electronics (Mechanical Project)
This research presents the analysis and realization of a single phase high performance manifold microchannel cooler for improving the thermal and hydrodynamic performance of multi-chip power electronic modules. This heat exchanger, microfabricated directly into the substrate, enables higher...
Underwater Movement of Obstacles Due to Explosive Detonation (Mechanical Project)
The U.S. Navy has an interest in researching the movement of obstacles in shallow water due to an explosive detonation. Obstacles that are placed in shallow water on a shoreline can damage vehicles that are attempting to land on shore.The U.S. Navy believes that explosives can be used to clear...
A Hybrid Nonlinear Vibration Energy Harvester (Mechanical Project)
Vibration energy harvesting converts mechanical energy from ambient sources to electricity to power remote sensors. Compared to linear resonators that have poor performance away from their natural frequency, nonlinear vibration energy harvesters perform better because they use vibration energy...
Low Temperature Waste Heat Solutions (Mechanical Project)
The report comprises two separate parts:Part 1: Temperature needs for district heating in the paint shop for axles in building 210Part 2: Energy and low temperature waste heat solutions in heating and cooling systems for building 64 with surroundingsThe paint shop for axles in part 1 has air...
Dynamics Study of an Automobile Exhaust System (Mechanical Project)
Low vibration levels are a critical objective in automobile exhaust system design. It is therefore important for design engineers to be able to predict, describe and assess the dynamics of various system design proposals during product development.This thesis aims at providing a deeper understanding...
Anti Roll Tanks in Pure Car and Truck Carriers (Mechanical Project)
Rolling motions is something that is undesired in all kinds of seafaring. In terms of propulsion resistance, comfort and route planning it would be desirable to reduce these motions.This study is an investigation on how different roll stabilising systems affect the performance of an 8000 unit...
A Temperature Control System for the Alfvén Laboratory Balloon Experiment (Mechanical Project)
The polarized Gamma-ray Observer (PoGOLite) is a balloon-borne experiment that will measure the polarization of soft gamma rays in the energy range 25 keV-80 keV. PoGOLite will carry an auroral diagnostics package, ALBERT, to measure the auroral emissions that will enhance the background level.The...
Vehicle Handling, Stability and Bifurcaiton Analysis for Nonlinear Vehicle Models (Mechanical Project)
Vehicle handling, stability, and bifurcation of equilibrium conditions were studied using a state vector approach. The research provided a framework for an improved method of vehicle handling assessment that included non-linear regions of performance and transient behavior.Vehicle models under...
Injector design and test for a high power electrodeless plasma thruster (Mechanical Project)
The HPEP (High Performance Electric Propulsion) thruster is expected to be the outcome of an innovative project initiated by the Swedish Space Corporation. It combines the concept of a 10 kW electrodeless plasma thruster designed by the Elwing Company and the ADN based monopropellant LMP-103S...
Symbol-Based Control of a Ball-on-Plate Mechanical System (Mechanical Project)
Modern control systems often consist of networks of components that must share a common communication channel. Not all components of the networked control system can communicate with one another simultaneously at any given time. The “attention” that each component receives is an important factor...
Life Consumption Monitoring for Electronics (Mechanical Project)
Life consumption monitoring is a method to assess product’s reliability based on its remaining life in a given life cycle environment. The life consumption monitoring process involves continuous or periodic measurement, sensing, recording, and interpretation of physical parameters associated...
Assessment of Pollution Levels Resulting from Biomass Gasification (Mechanical Project)
Today the large scale introduction of biomass gasification is hampered by health, safety and environmental issues which present a major barrier in the deployment of this technology. The condensate in particular resulting from producer gas cooling before use in gas engines is highly toxic and...
Test Turbine Measurements and Comparison with Meanline and Throughflow Calculations (Mechanical Project)
This study is a collaboration between Siemens Industrial Turbomachinery(SIT) and Royal Institute of Technology(KTH). It is aimed to study and compare the outputs of two different computational approaches in axial gas turbine design procedure with the data obtained from experimental work on a...
Developing Highly Accurate And Stable Open-region Electromagnetic Simulations (Mechanical Project)
In open-region electromagnetic simulations, the computational domain has to be truncated by an absorbing boundary condition (ABC) to model the infinite space. The performance of ABC strongly affects the accuracy of overall numerical simulation.For a class of advanced problems demanding high...
Sizing and Balance Module Development for Aircraft Conceptual Design (Mechanical Project)
This work was done in order to improve the capabilities in a preliminary aircraft analysis program, DIBA, at Saab Aerosystems. The areas that this was done are in the sizing and balance. One sizing tool was developed in order to make a performance analysis with the DIBA generated geometry and...
Wake Measurements Behind An Array Of Two Model Wind Turbines (Mechanical Projects)
During the last decades the exploitation of energy from the wind has become one of the most promising renewable energy technologies. The main strive in today’s development of wind turbines is to increase the efficiency of the turbine and to build bigger rotors that are able to extract more power...
New-Institutionalism and Environmental Management Systems (Mechanical Project)
This study is mainly directed towards readers with a basic background in Environmental or Quality Management Systems. More increasingly organisations and companies decide to work with Environmental Management Systems (EMS) and the ISO standard has ever been increasing in popularity.The advantages...
Wind resource assessment comparison on a complex terrain employing WindPRO and WindSim (Mechanical Project)
Accurate wind resource assessment is of high importance for wind farm development. This thesis estimates and compares the annual energy production results produced employing two wind farm design tools WindPRO and WindSim for a site located in Greece.Two years of data are available from a 56...
Solar Car Suspension System (Mechanical Project)
Our primary goal as the solar car suspension team is to design the front and rear suspension systems for our solar powered vehicle. This is an interdisciplinary project provided by PROVE Lab. PROVE Lab is a Prototype Vehicle Laboratory started atCal Poly that consists of over 70 people and 11...
2015 Zips SAE Baja Brakes and Throttle System (Mechanical Project)
The SAE Baja student design team at The University of Akron is one of the longest-standing design teams at the university. The purpose of this team is to design, manufacture, test, and race an off-road vehicle within the guidelines of competition established by the Society of Automotive Engineers.The...
Linear Acoustic Modelling and Testing of Exhaust Mufflers (Mechanical Project)
Intake and Exhaust system noise makes a huge contribution to the interior and exterior noise of automobiles. There are a number of linear acoustic tools developed by institutions and industries to predict the acoustic properties of intake and exhaust systems.The present project discusses and...
Carbon Fiber Electronic Interconnects (Mechanical Project)
Carbon fiber is an emerging material in electrical and electronics industry. It has been used as contact in many applications, such as switch, potentiometer, and commutator brush. A new technique of electronics interconnect is developed, with carbon fiber as a conductive medium.This carbon fiber...
Investigation of a Swing Check Valve Using CFD (Mechanical Project)
This is the report of a master’s thesis performed at FS Dynamics in Solna and is a perfect example of cooperation between the Nuclear Engineering branch and the Computational Fluid Dynamics branch. The nuclear industry has got high requirements on safety since a failure could have devastating...
Be in the Loop: Circular Economy & Strategic Sustainable Development (Mechanical Project)
Current human activities have a significant impact on the socio-ecological system, endangering this system’s capacity to support human civilization and biodiversity. Today’s linear industrial model can be seen as a main driver of this challenge, which implies a need for a model that uses less...
A Control-Oriented 0D Model of a Turbocharger Gas Stand Including Heat Transfer (Mechanical Project)
A turbocharger’s performance is measured in a gas stand in order to provide information of the components characteristics. The measurement procedure is a very time consuming process and it is thus desired to make it more time-efficient.To allow for development of an enhanced control strategy...
Volvo Logistics Corporation Returnable Packaging System (Mechanical Project)
This thesis is a study for analysing costs affected by packaging in a producing industry. The purpose is to develop a model that will calculate and present possible cost savings for the customer by using Volvo Logistics Corporations, VLC’s, returnable packaging instead of other packaging solutions.The...
Revision Of The Aircraft Engines Preliminary Design Platform Of First Level (Mechanical Project)
In the highly competitive aerospace industry, engine manufacturers must react very quickly and precisely to any demand emerging from aircraft manufacturers if they want to be positioned on the offer. This is especially true when answering to Requests For Information (RFI) based on preliminary...
Exoskeleton Arm: How to Construct a Smart Support Structure for an Arm (Mechanical Project)
The purpose of this thesis was to find an optimal way to construct and control a product that could help those who suffer from muscle weakness or a muscle sickness. The device was made out of two major parts (upper arm and lower arm) which were connected through a motorized joint.The focus was...
Heat Transfer Correlations for Gas Turbine Cooling (Mechanical Project)
A first part of a “Heat Transfer Handbook” about correlations for internal cooling of gas turbine vanes and blades has been created. The work is based on the cooling of vanes and blades 1 and 2 on different Siemens Gas Turbines. The cooling methods increase the heat transfer in the cooling channels...
