- Heat Transfer and Optimization
- Thermodynamic and Exergetic Analyses of Power and Cooling Systems
- Hybrid Renewable Energy Systems
- Solar Thermal and Photovoltaic Systems
- Heat Transfer and Boiling Studies
- Iron and Steelmaking Processes
- Heat transfer and supercritical fluids
- Nuclear Materials and Properties
- Photovoltaic System Optimization Techniques
- Refrigeration and Air Conditioning Technologies
- Catalysts for Methane Reforming
- Spacecraft and Cryogenic Technologies
- Carbon Dioxide Capture Technologies
- Nanowire Synthesis and Applications
- Phase Change Materials Research
- Metallurgical Processes and Thermodynamics
- Advanced Surface Polishing Techniques
- Process Optimization and Integration
- Solar Radiation and Photovoltaics
- Advanced Machining and Optimization Techniques
- Advanced machining processes and optimization
- Advancements in Semiconductor Devices and Circuit Design
- Chemical Looping and Thermochemical Processes
- Economic and Business Development Strategies
- Advanced Thermodynamic Systems and Engines
Karabük University
2013-2024
In this study, energy demand of a faculty was aimed to supply with hybrid system (HES) consisting photovoltaic (PV) panels, wind turbine (WT) and bomass (BM) optimum power usage distribution sized reach lowest cost reliable system. optimization, total net present (TNPC) for economic analysis, loss probability (LPSP) reliability, localized (LCOE) determining the unit were considered an effective control algorithm developed decide source improving reliability. We used genetic (GA) simulated...
In this study, it is proposed to generate electrical energy by recovering the waste heat of an annealing furnace (AF) in iron and steel plant using combined cycles such as steam Rankine cycle (SRC), organic (ORC), Kalina (KC) transcritical CO2 (t-CO2). Instead releasing into atmosphere, recovery system (WHRS) discharges plant’s low-temperature oxygen line for first time, achieving a lower temperature pressure condenser than conventional systems. The flue gas (FG) with 1093.15 K from reheat...
Relations between effectiveness (ε) and expense coefficients (ζ) were derived, an economic simulation model was developed to simulate heat exchangers (HE) HE networks (HEN) in all flow types for the first time. ε values of parallel flow, counter cross HEs under condition Cr = 0 derived terms ζ, NTU (Number Transfer Unit) minimum capacities (Cmin). obtained from calculations used developing HEs. Vectors including outlet temperatures inlet flows static utilize model. Then, case studies...
In this study, the effects of operating conditions photovoltaic (PV) panels in a power plant installed Burdur province Turkey with 8 MW capacity, output inverter and quality grid were examined experimentally January July. addition, an artificial neural network (ANN) was utilized to estimate at under different optimal attempted be determined. ANN configuration, generated PV (PDC), radiation intensity, relative humidity temperature measurements used as input data, (PAC) junction inverter,...
In this study, results of HTRI Xchanger software used in the analysis shell and tube heat exchangers (STHE), Kern Bell-Delaware methods, which are conventional methods for calculation side transfer coefficient (SSHTC) pressure loss (PL), were compared with experimental data. An study was considered Heat exchanger (HE) dimensions fluid properties from literature. Then SSHTC PL values calculated using measured flowrates. lower mass flowrates by method deviated at low ratios. addition,...
In this study, the effects of geometric properties such as baffle spacing, cut, sealing strips, gaps between heat exchanger components, number tubes and tube passes have been investigated for shell exchangers (STHE). For purpose, geometrical dimensions data a specific (HE) used in an industrial application obtained. The HTRI Xchanger Suite Educational software was utilized to analyze reference HE, verify results output temperatures fluids, side transfer coefficient (HTC) pressure loss (PL)...
ÖzetBir ısı değiştiricisi, iki veya daha fazla sıvı arasındaki, katı arasındaki parçacıklar ve akışkan termal iç enerjisini dışarıdan iş girişi olmaksızın gerçekleştiren cihazlardır.Isı değiştiricileri kullanım amaçlarına göre değişik konstrüksiyonlarda, kapasitelerde, boyutlarda tiplerde olabilmektedirler
Currently, cooling of photovoltaic (PV) panels, a significant issue due the negative effect on panel efficiency, is subjected to intensive researches. For this purpose, numerous researches methods are performed keep efficiencies around design values. In study, comprehensive literature review was presented give status technological improvement in options. addition, strong and weak aspects studies were discussed, advantageous emphasized for further application PV panels. Finally, future...
A temperature increase plays a negative role on photovoltaic (PV) panel conversion efficiency by increasing recombination rates. In this study, air- and water-cooling options were simulated to investigate the behavior of specific PV made heterojunction Silicon (Si) whilst was cooling in operation using ANSYS-FLUENT. For air cooling, two different suggested: with four flow speeds heat sink addition three speeds. As for flowrates considered. Temperature distributions panels all demonstrated as...
In this study, a microchannel heat exchanger with operating ethylene was proposed instead of air-cooled microprocessor sinks and flow transfer simulations were made using Flo-EFD software. First, the temperature distribution air domain in computer case obtained for sink, then paths coming from outside help fan observed. Afterwards, system micro channel subjected to same processes results compared. As result it revealed that reduced processor between 54-55°C 18-19°C. It has also been observed...
In this study, heat transfer and cost optimization of a gas-to-gas exchanger (recuperator) operating in the targeted temperature range has been made. Firstly, thermophysical properties waste source volumetric flow rates flows were obtained, maximum that could be recovered was obtained. Afterward, parametric study carried out to size recuperator. The parameters affecting cost, such as hot cold outlet temperatures, determined by overall coefficient, effectiveness, pressure drop. Finally,...