Başlık için Enerji Sistemleri Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 108, listelenen: 46-65
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Improving the electrochemical energy storage capacity of the renewable carbon derived from industrial tea waste
(Springer, 2022)Energy storage is gaining a vital role since the usage of portable electric/electronic devices and vehicles have been growing. Capacitors, called as electrochemical double layer capacitors or supercapacitors, find application ... -
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 ... -
Improving thermal resistance of lightweight concrete hollow bricks: A numerical optimisation research for a typical masonry unit
(Erol Kurt, 2020)Heat loss/gain through the walls accounts for about 30% of the total building energy losses. Bricks are indispensable parts of buildings as a very common masonry wall unit; hence the present work aims at optimising thermal ... -
Influence of downstream cross-sectional area ratio on flow boiling characteristics of expanding micro pin fin heat sinks
(Elsevier, 2023)In the present study, influence of downstream cross-sectional area ratio on flow boiling behavior of expanding micro-pin-fin heat sinks was experimentally studied. Three structured micro-pin-fin heat sinks, namely, Type1, ... -
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 ... -
Introducing the chemical potential of Cu-Mn-Al alloys for structural, electrical and thermal properties
(Springer, 2024)This study investigates the Martensite transition in Cu-Mn-Al alloys (CMAs) via the use of many methods, including scanning electron microscopy, temperature-dependent X-ray diffraction, resistivity and thermal measurements. ... -
Inverse magnetocaloric effect of epitaxial Ni-Mn-Sn thin films
(Amer Inst Physics, 2013)Epitaxial Ni-Mn-Sn thin films of 200 nm thickness were prepared by magnetron sputtering and deposited onto MgO(100) substrate. They reveal an inverse magnetocaloric effect with a martensitic phase transition around 260 K. ... -
Inverse magnetocaloric effect related to the magnetostructural phase transition in quaternary Ni-Co-Mn-Al alloy
(Springer, 2021)The inverse magnetocaloric effect of Ni-Co-Mn-Al quaternary alloy with the relatively low material cost is achieved firstly in a theoretical study (V. Sokolovskiy et al.: J. Appl. Phys., 2020, vol. 127, p. 163901). To ... -
Investigating the exergetic and environmental effects of subcooling and superheating processes on the performance of direct expansion systems
(Springer International Publishing, 2014)Recently, subcooling and superheating applications, which are proposed as an approach for the efficient use of energy, have positive effect on the emission next to increasing the energy efficiency. This study examines ... -
Investigation and mapping of natural and artificial radioactivity in sediment samples from Borcka Black Lake, Artvin-Turkey
(Taylor & Francis Ltd., 2022)All living creatures in nature are constantly exposed to ionising radiation, which is emitted from natural and artificial radiation sources. For this reason, it is important to monitor the levels of radioactivity in living ... -
Investigation of a hybrid solar and geothermal driven absorption cooling system for district applications
(Inderscience Enterprises Ltd, 2012)In this paper, a new hybrid geothermal and solar driven absorption cooling system (ACS) is proposed for low-temperature district energy applications. Two approaches are proposed in this study, namely: (a) a new model for ... -
Investigation of biogas and hydrogen production from waste water of milk-processing industry in Turkey
(Elsevier, 2012)This study is conducted to determine the potential for producing both biogas and hydrogen from a milk-processing waste water in Turkey. The results of this study indicate that a maximum of 54.2 million m 3 biogas/yr and ... -
Investigation of Cd1-xCoxS diluted magnetic semiconductor thin films fabricated by chemical bath deposition method
(Elsevier Science Sa, 2014)Chemical bath deposition method was used for preparation of Cd1-xCoxS thin films. the effects of Co doping and thermal annealing on structural, optical, electrical and magnetic properties of CdS thin films were investigated. ... -
Investigation of passive radar target detection performance improvement by using multiple co-located FM radio transmitters
(2019)Interest in passive radar systems is increasing because of its hidden operational capabilities, cost effectiveness and low maintenance requirements. The greatest advantage of these systems is that they can detect and follow ... -
The investigation of stability of n-CdS/p-Cu2S solar cells prepared by cold substrate method
(IOP Publishing, 2021)In this study, two different n-CdS/p-Cu2S solar cells were prepared by evaporating Cu at different substrate temperatures (200 K and 300 K) by vacuum evaporation method on a single crystal CdS semiconductor. Field emission ... -
Investigation of the effects of miscible and immiscible binary fluids on thermal performance of pulsating heat pipes
(Springer, 2021)Present paper reports and discusses experimental results related to thermal and flow characteristics of asymmetrical designed flat plate closed loop pulsating heat pipe charged with miscible and immiscible binary fluids. ... -
Investigation of the electrical properties of Ag/n-Si schottky diode obtained by two different methods
(Korean Assoc Crystal Growth, Inc, 2020)In present study, Ag/n-Si Schottky diodes were produced by vacuum evaporation method at two different substrate temperatures (200 K and 300 K) and structural, optical, electrical properties were investigated. X-ray diffraction ... -
The magnetic and magnetocaloric properties of CoMnGe1-xGax alloys
(Elsevier Science Sa, 2014)The magnetic and magnetocaloric properties of CoMnGe1 Ga-x(x) (0.02 <= x <= 0.063) alloys have been investigated by using calorimetric, X-ray diffraction and magnetic measurements. Our results show that the structural and ... -
Magnetic energy conversion
(Elsevier Inc., 2018)In this study, magnetic and electromagnetic energy conversion of magnetocaloric materials (MCMs) and magnetic refrigeration, which is based on magnetocaloric effect (MCE), is presented in detail and made apprehensible. The ... -
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 ...