Erişim şekli için "info:eu-repo/semantics/openAccess" Enerji Sistemleri Mühendisliği Bölümü Makale Koleksiyonu listeleme
Toplam kayıt 20, listelenen: 1-20
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6-Anahtarlı 3-seviyeli eviricide uzay vektör darbe genişlik modülasyon tekniğinin uygulaması
(DÜZCE ÜNİV., 2017)Uzay vektör darbe genişlik modülasyonu (UVDGM) tekniği bu çalışma ile 6-anahtarlı 3-seviyeli evirici üzerinde denenmiştir. Evirici topolojisinde 6 adet IGBT yarıiletkenanahtar kullanılarak eviricinin her bir çıkış uçlarına ... -
Analysis with computational fluid dynamics software of a Shell-and-Tube heat exchanger using molten salt as heat transfer fluid
(GAZI UNIV., 2018)In this present study, heat transfer performance of a shell and tube heat exchanger used molten salt is analyzed by a computational fluid dynamic (CFD) programing. The model is prepared regard as a literature study that ... -
Copper – Zinc and Copper-Iron Binary Electrode for Hydrogen Evolution Reaction
(SAKARYA ÜNİV., 2018)The different coatings with high hydrogen evolution reaction (HER) durability activity were prepared by electrodeposition. Iron, copper and zinc alloys were deposited on graphite electrode. The binary coating prepared ... -
Determination of Weibull parameters by different numerical methods and analysis of wind power density in Osmaniye, Turkey
(SHARIF UNIV TECHNOLOGY, 2017)In this study, the potential of wind energy in Osmaniye Region has been analysed statistically on the basis of information that has been measured hourly between the years 2009 to 2013. The two-parameter Weibull Distribution ... -
Determination of weibull parameters using the standard deviation method and performance comparison at different locations
(SHARIF UNIV TECHNOLOGY, 2020)This paper analyzed the harmony of the Weibull Distribution Function (WDF) and the real data obtained from three different locations. The Standard Deviation Method (SDM) was used to calculate the coefficients of the WDF ... -
Determination of wind potential of a specific region using Artificial neural networks
(Advanced Technology and Science, 2017)There is a widespread trend in alternative energy sources in today's world. Achieving energy without harming the environment has been the most important target of the countries in recent years. For this reason, it is ... -
Effect of higher order taylor series expansion terms of the ni-prim on the solution accuary of 2 nd lastic prblems.
(PAMUKKALE UNIV., 2015)In this study, effects of higher order Taylor series expansion terms in the nodal integration scheme of radial point interpolation method (NI-RPIM) are investigated on the solution accuracy of 2D elastic problems. The nodal ... -
Effective estimation of hourly global solar radiation using machine learning algorithms
(HINDAWI LTD, ADAM HOUSE,, 2020)The precise estimation of solar radiation is of great importance in solar energy applications with respect to installation and capacity. In estimate modelling on selected target locations, various computer-based and ... -
Energy and exergy analysis of an organic Rankine-Brayton combined cycle
(GAZI UNIV, 2018)In this study, thermodynamic analysis of reheat and intercooled Brayton cycle combined with organic Rankine cycle (ORC) using waste heat from intercooler in Brayton cycle as heat source is presented. The effects of different ... -
Entropy Generation for Nonisothermal Fluid Flow: Variable Thermal Conductivity and Viscosity Case
(HINDAWI PUBLISHING CORPORATION, 2013)This paper investigates the entropy generation of a nonisothermal, incompressible Newtonian fluid flowing under the effect of a constant pressure gradient in plane Poiseuille flow. The effects of variable viscosity and ... -
First and second law evaluation of combined brayton-organic rankine power cycle
(YILDIZ TECHNICAL UNIV., 2020)In the present work, we have conducted thermodynamic analysis of an organic Rankine cycle (ORC) using waste heat from intercooler and regenerator in Brayton cycle with intercooling, reheating, and regeneration (BCIRR). ... -
Investigation of nanofluid flow characteristics and wall stress concentration locations in a 3D channel with sharp edge rectangular ribs
(YILDIZ TECHNICAL UNIV, 2017)Flow regimes in various channels can introduce different responses that interact with inside of channel walls. Hence both flow characteristic and its effect on wall surfaces should be investigated, especially for a new ... -
Optimization of the pool boiling heat transfer in the region of the Isolated bubbles using the ABC algorithm
(ISFAHAN UNIV TECHNOLOGY, 2019)The region of the isolated bubble regime, in which the bubbling starts, is a very significant process for boiling heat transfer. In this study, Artificial Bee Colony algorithm (ABC), which is mainly based on the searching ... -
Performance and economic analysis of a variable refrigerant flow (VRF) system.
(ÇUKUROVA ÜNİV., 2017)This study deals with the exergetic modeling and performance/cost evaluation of a variable refrigerant flow (VRF) air conditioning system. An experimental setup was established to investigate the system performance under ... -
Rheological behavior of sumac (Rhus coriaria L.) extract as affected by temperature and concentration and investigation of flow behavior with CFD
(BIOINTERFACE RESEARCH APPLIED CHEMISTRY,, 2020)The purpose of this study is to investigate the theological properties of sumac extract indifferent concentrations at different temperatures as well as its flow behavior in sudden expansion contraction and at 90 elbow with ... -
The importance of the different kinds of energy sources for energy future of Turkey
(EDP SCIENCES., 2016)Nowadays, the need of energy has been increasing day by day with the population growth and the advancements of technology. In this study, the current state of nuclear, wind and solar energy on the worldwide has been generally ... -
The investigation of velocity and temperature changes by CFD analysis for intake stroke of LPG fuel stratified charge engine
(2017)This study numerically investigates the in-cylinder speed and temperature variations for fuel-air mixture intake at the induction stroke by the LPG cylinder of an engine running on the stratified charge principle. The ... -
The overview of nuclear energy situation in the World and Turkey
(EDP SCIENCES., 2017)The dependence on the energy and its use has increased in every country due to the increasing population and advanced technology. As a result of it, the reserves of fossil fuel have decreased, several energy crises have ... -
Thin layer drying of zucchini in solar dryer located in Osmaniye region
(UNIV NORTH, 2018)In this study, the dehydration behavior of zucchini using solar assisted drying system was examined according to 22 thin layer drying models available in literature. The correlation coefficient (R-2), chi-square (chi(2)) ... -
Vortex shedding control of circular cylinder by perforated shroud in deep water
(EDP SCIENCES., 2017)The aim of the present study is to control the vortex shedding downstream of a circular cylinder (inner cylinder) by the existence of outer perforated cylinder concentrically located around the inner cylinder in deep water. ...