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Mar
11
In this study solid fossil fuel taken from Catalagzi Power Plant (CATES) and formed by blending of high-ash wastes of Kozlu, Uzulmez, Catalagzi washeries and private fields to meet desired ash and calorific value were used. The whole sample was crushed to 3350 µm below by a cone crusher. Washing tests were done to show [...]
Mar
11
The Portion of renewable energy sources in energy consumption has been increasing continually and many countries have been applying several support programs to increase the renewable energy use. Particularly, the increase in wind energy is noteworthy. It has come to the level of meeting more than 1% of the world energy consumption. Transferring wind energy [...]
Mar
11
It is impossible for us to meet our growing electrical energy demand with the world’s limited resources. We should improve the quality of the energy while saving it. The power quality concept that has been in the electrical engineers’ research area for a long time can be defined as the electrical energy that is uninterrupted [...]
Mar
11
In recent years, exergy analysis has been widely used design, simulation, performance assessment of various thermal systems. Energy and exergy analyses of an olive oil refinery plant with a production capacity of 6250 kg/h were performed based on actual operational data in this thesis. The values for exergy destruction and efficiency were calculated for each [...]
Mar
11
The last generation photovoltaic devices aim to tackle the losses associated with the non absorption of below band gap photons and the thermalisation of above band gap photons to the band edges. In this thesis, numerical analysis were carried out on the new intermediate band solar cell (IBSC) that absorbs the sub-band gap photons through [...]
Mar
11
Due to short circuits, unsymmetrical or symmetrical faults may investigate in two parts in energy transmission lines. Three-phase faults are named symmetrical, single phase-ground, phase-phase and double phase-ground faults are called unsymmetrical. Method of symmetrical components is one of developed methods for analyzing of symmetrical or unsymmetrical faults. In this study, symmetrical components method was [...]
Mar
11
A typical 250 l cooler type refrigerator is analyzed based on experimental data by employing the first and second laws of thermodynamics at steady state in order to quantify the location of loses on component-level and to determine the efficiency potential of each component. The refrigerator is equipped with data acquisition to measure temperature, pressure, [...]
Mar
11
Solar air heaters are simple device to heat air by utilizing solar energy and employed in many applications requiring low to moderate temperature below 60ºC, such as crop drying and space heating. In a solar air heater, the fins or obstacles located in flow area increases the heat transfer coefficient and output temperature of air. [...]
Mar
11
Today, as a result of rapid depletion of energy resources, the economic and social dependency of developed countries on energy resources is gradually increasing. Therefore, to preserve existing prosperity, to provide inter-regional and intra-regional political and economical power it is necessary to relocate the equilibrium between demand and supply and also to develop national and [...]
Mar
11
New production methods in manufacturing industries are applied by rapidly developing technology. One of these methods is using ultrasonic energy in apparel industries.
In this paper; the working principles of sewing machines that use ultrasonic energy, the sewing styles with this machines, using areas and the advantages of this machines will be mentioned alternately. Different fabric [...]
