Browsing MF_Yayın Koleksiyonu by Title
Now showing items 82-101 of 111
-
Parametric investigation of phosphoric acid fuel cell - Thermally regenerative electro chemical hybrid system
(Elsevier, 2018)In this paper, a phosphoric acid fuel cell (PAFC) – thermally regenerative electro-chemical cycle (TREC) hybrid system is investigated in terms of the different parameters including ecological function for different ... -
Performance analysis of irreversible molten carbonate fuel cell-Braysson heat engine with ecological objective approach
(Pergamon-Elsevier Science, 2017)An irreversible hybrid molten carbonate fuel cell-Braysson heat engine is taken into account. Basic thermodynamics parameters including power output, efficiency and exergy destruction rate are considered. In addition ... -
Performance Analysis of Irreversible Solid Oxide Fuel Cell-Brayton Heatengine with Ecological Based Thermo-environmental Criterion
(Pergamon-Elsevier Science, 2017)An irreversible hybrid solid oxide fuel cell (SOFC)-Brayton heat engine system is taken into account in this study. Ecological based thermoenvironmental function is considered to assess the performance of the system as ... -
Performance assessment of an irreversible nano Brayton cycle operating with Maxwell-Boltzmann gas
(Springer Heidelberg, 2015)In the last decades, nano-technology has been developed very fast. According to this, nanocycle thermodynamics should improve with a similar rate. In this paper, a nano-scale irreversible Brayton cycle working with helium ... -
Power Converter-Based Three-Phase Nonlinear Load Emulator for a Hardware Testbed System
(IEEE, 2014)A three-phase nonlinear load emulator using a power electronic converter is presented in this study. The proposed nonlinear load emulator is intended to be used in an ultrawide-area grid transmission network emulator, also ... -
Preparation and Characterization of High Purity Silica Obtained from Rice Husks
(Polish Academy of Sciences Institute of Physics, 2017)Although SiO2 is produced mostly from mineral sources like quartz, it has recently been obtained from lignocellulosic natural resources, such as rice husk (hull). Several methods for extracting silica (SiO2) from rice husks ... -
Properties of Concrete Pavements Produced With Different Type of Fibers
(Turkish Chemical Society, 2017)Researches demonstrate that fibers boost performance of concrete incredibly. It’s determined that in literature steel fibers increase flexural strength and energy absorption capacity of the cementitious composites. However ... -
SAR Görüntülerindeki Arazi Alanlarının Bölge-Tabanlı Segmentasyonu
(IEEE, 2020)Sentetik Açıklıklı Radar (SAR) görüntüleri günümüzde çok çeşitli alanlarda yaygın olarak kullanılmaktadır. SAR görüntülerindeki görüntü benekleri ve piksel benzerliklerinden dolayı görüntü segmentasyonu oldukça zordur. Son ... -
Silicon nitride ceramic for all-ceramic dental restorations
(Japanese Society Dental Materials Devices, 2020)Silicon nitride (Si3N4) is one of the promising ceramics for dental restoration due to providing significant benefits during the application. This study aimed to investigate the potential use of Si3N4 for all-ceramic ... -
Single-Phase On-Board Bidirectional PEV Charger for V2G Reactive Power Operation
(IEEE, 2015)This paper presents the design and implementation of a single-phase on-board bidirectional plug-in electric vehicle (PEV) charger that can provide reactive power support to the utility grid in addition to charging the ... -
Social, historical and international aspects of space research
(IEEE, 2015)Men has completed the phase “globalization” on Earth by conquering almost all parts of the globe, by using almost all resources offered by this planet, in a collaborative way involving all habitants. Now it is time to ... -
Some New Identities Concerning Generalized Fibonacci and Lucas Numbers
(Hacettepe Üniversitesi, 2013)In this paper we obtain some identities containing generalized Fibonacci and Lucas numbers. Some of them are new and some are well known. By using some of these identities we give some congruences concerning generalized ... -
Stability analysis of gradient elastic microbeams with arbitrary boundary conditions
(Korean Society Mechanical Engineers, 2015)Based on gradient elasticity theory with surface energy, a simple and unified method is presented for the stability analysis of a generally supported microbeam. The proposed method conveniently computes an accurate buckling ... -
A study on the development of hydropower potential in Turkey
(Pergamon-Elsevier Science, 2014)In this study, the development of energy demand in Turkey, the utilization of hydropower potential as well as the problems related to the operation, construction and development phases of hydropower plants have been examined. ... -
A Survey: Deriving Private Information from Perturbed Data
(Springer, 2015)Privacy-preserving data mining has attracted the attention of a large number of researchers.Many data perturbation methods have been proposed to ensure individual privacy. Such methods seem to be successful in providing ... -
Sustainability analysis of a solar driven hydrogen production system using exergy, extended exergy, and thermo-ecological methods: Proposing and comparing of new indices
(Pergamon-Elsevier Science, 2021)This paper aims at investigating and comparing some sustainability indices in the literature while proposing some new indices. A solar driven hybrid system made of a PV cell, an alkaline electrolyzer and a PEM fuel cell ... -
Synchronous-Reference-Frame-Based Control Method for UPQC Under Unbalanced and Distorted Load Conditions
(IEEE, 2011)This paper presents a new synchronous-referenceframe (SRF)-based control method to compensate power-quality (PQ) problems through a three-phase four-wire unified PQ conditioner (UPQC) under unbalanced and distorted load ... -
Synthesis and characterization of Ba/MCM-41
(TÜBİTAK, 2010)Mesoporous Ba/MCM-41 type materials (Ba/MCM-41) with high Ba/Si molar ratios between 0.025 and 0.1 were synthesized by direct hydrothermal synthesis. The samples were characterized by XRD, nitrogen adsorption, TGA-DTA, ... -
Synthesis and Characterization of Hydroxyapatite Produced by Microwave Assisted Precipitation Technique
(Polish Academy of Sciences Institute of Physics, 2019)In medical applications, the compliance and integration of bone with implant are a critical issue. Biocompatible metal substrates coated by suitable materials such as calcium phosphates, especially hydroxyapatite, ... -
Thermodynamic analysis and multi‑objective optimization performance of solid oxide fuel cell–Ericsson heat engine–reverse osmosis desalination
(Springer, 2021)This paper targets to consider a hybrid cycle consisting of a solid oxide fuel cell and an Ericsson thermal engine that provides drinking water by connecting to a reverse osmosis desalination unit. First, a parametric ...
