Güncel Gönderiler: Enerji Sistemleri Mühendisliği Bölümü Koleksiyonu
Toplam kayıt 117, listelenen: 81-100
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A new approach to calculation of energy demand and amount of emission according to different indoor temperature
(Inderscience Enterprises Ltd, 2015)In this study, annual, monthly and hourly ambient temperature distributions are determined and analysed for Karabuk . For each month of the year, variance of outdoor air temperature, monthly and seasonal heating degree ... -
Fault and sensor error diagnostic strategies for a vapor compression refrigeration system by using fuzzy inference systems and artificial neural network
(Elsevier Sci Ltd, 2015)A fuzzy inference system (FIS) and an artificial neural network (ANN) were used for diagnosis of the faults of a vapor compression refrigeration experimental setup. A separate EIS was developed for detection of sensor ... -
Influence of film thickness and composition on the martensitic transformation in epitaxial Ni-Mn-Sn thin films
(Pergamon-Elsevier Science Ltd, 2015)Two series of epitaxial Ni-Mn-Sn thin films of different thickness are investigated for the thickness and composition dependence of the martensitic transformation. Thin films ranging in thickness from 20 to 200 nm (series ... -
Enhancement of magnetocaloric effect in CoMn0.9Fe0.1Ge alloy
(Elsevier Science Sa, 2015)The magnetic and magnetocaloric properties of CoMn0.9Fe0.1GeCoMn0.9Fe0.1Ge alloy has been investigated by using of electron microscopy, X-ray diffraction, calorimetric, heat capacity and magnetic measurements. the substitution ... -
Modification of natural zeolite with NaOH for removal of manganese in drinking water
(Elsevier Science Bv, 2016)Natural zeolite (NZ) obtained from the Manisa-Demirci region of Turkey was modified by NaOH aqueous solutions (0.5-2.0 mol/dm(3)) and the adsorption capacity of natural and modified forms was determined for manganese ... -
Improving the stability of solar cells using metal-organic frameworks
(Royal Soc Chemistry, 2016)Although Cu2S-containing chalcogenide solar cells are appealing and cost-effective for photovoltaics (PVs), these materials suffer from rapid performance degradation as a result of the diffusion of copper ions into the CdS ... -
Entail the new path for permanent magnets: Free-standing Hf-Co thin films
(Elsevier Science Sa, 2016)In this work, as an alternative to permanent magnets containing rare earth, we report a method for the preparation of rare-earth-free (REF) free-standing magnetic thin films have been obtained by using a basis sacrificial ... -
Measurement and mapping of the GSM-based electromagnetic pollution in the Black Sea region of Turkey
(Taylor & Francis Inc, 2017)Electromagnetic pollution caused by mobile communication devices, a new form of environmental pollution, has been one of the most concerning problems to date. Consequences of long-term exposure to the electromagnetic ... -
Çoklu ardışık DFBÇ vericilerine ait belirsizlik fonksiyonunun pasif algılama uygulamaları için incelenmesi
(Ieee, 2017)Passive radars are systems that do not have a transmitter of their own but can detect and track targets using "transmitters of opportinuity" in the environment. Particularly in recent years, the work in this area has gained ... -
Hf2Co11 thin films: Rare-earth-free permanent nanomagnets
(Elsevier Science Sa, 2017)Hf2Co11 thin films were deposited on single crystalline Si(100) substrates by using conventional direct current (DC) magnetron sputtering with a Hf2Co11 alloy target. All films were grown at room temperature with 120W ... -
Thickness-dependent permanent magnet properties of ZrCo thin films grown on Si with Pt underlayer
(Springer, 2017)Zr-Co is one of the essential magnetic materials due to its interesting magnetic and structural properties. in this work, we studied the magnetic and structural properties of ZrCo thin films of different thicknesses grown ... -
Effects of Na doping on CdS thin films and n-CdS/p-Si solar cells via chemical bath deposition method
(Korean Assoc Crystal Growth, Inc, 2017)Un-doped and Na doped CdS thin films were deposited by chemical bath deposition method. the effects of Na doping on structural, optical and electrical properties of CdS thin films and n-CdS/p-Si heterojunction were ... -
Sensitivity analysis of implicit correlations for photovoltaic module temperature: A review
(Elsevier Sci Ltd, 2017)The module temperature of a PV panel strongly affects the efficient production of electricity. the accurate prediction of module temperature plays an important role in the economic and energy assessment of photovoltaic ... -
Magnetocaloric effect with very small magnetic hysteresis losses of CoMn1-xTixGe Alloys
(SpringerSpringer, 2017)The effects of Ti substitution for Mn and heat treatment on structural, magnetic, and magnetocaloric properties of CoMnGe alloy have been investigated using electron microscopy, X-ray diffraction, calorimetric, and magnetic ... -
Biochar modification to enhance sorption of inorganics from water
(Elsevier Sci Ltd, 2017)Biochar can be used as a sorbent to remove inorganic pollutants from water but the efficiency of sorption can be improved by activation or modification. This review evaluates various methods to increase the sorption ... -
Soft magnetic properties of HfxCo100-x thin films
(Springer, 2017)HfxCo100-x thin films (in the atomic weight range of x = 30-36) were growth on Si (100) substrates by direct current (DC) magnetron sputtering method. Thin films produced with atomic compositions in this context depicted ... -
Magnetic features of boron doping on Hf2Co11 thin films
(Springer, 2018)The effect of boron (B) doping on the structural and magnetic properties is studied systematically in the Hf2Co11 thin films. the modified crystal microstructure and annealing process enhanced the coercive field up to 1754 ... -
Development of narrowband 92 MHz Yagi-Uda antenna for use in passive radar applications
(Ieee, 2019)The Yagi-Uda antennas have a wide range of applications ranging from radio broadcasting to passive radar systems. in this study, a Yagi-Uda antenna was developed to be used as a receiving antenna in an FM based passive ... -
Modification of tea biochar with Mg, Fe, Mn and Al salts for efficient sorption of PO43- and Cd2+ from aqueous solutions
(Iwa Publishing, 2019)There is a requirement to provide more efficient, sensitive, low-cost materials for remediation of contaminated water. Biochar as a sorbent is an effective and low-cost material to remove contaminants in water but its ... -
Fabrication and characterization of Au/n-ZnO/p-Si/Al sandwich device with Sol-gel spin coating method
(Springer, 2019)ZnO thin films with the n-type properties were obtained on the p-Si substrates for multi-layered sandwich device depositing by sol-gel method. Au and Al were conducted on two side of hetero-junction by PVD technique. From ...
