Güncel Gönderiler: Enerji Sistemleri Mühendisliği Bölümü Koleksiyonu
Toplam kayıt 111, listelenen: 41-60
-
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 ... -
Çok katmanlı kapton bant üzerindeki CoFe'in manyetik alan tepkili özelliklerinin incelenmesi
(2017)Esnek bir alttaş (Kapton bant) üzerinde manyetik olmayan bir ara katman üzerinde üretilen ferromanyetik [Fe65Co35]5/Cu/[Fe65Co35]5 çok katmanlı manyeto-tepki hücreleri elektron mikroskobu, Xışını kırınımı, manyetik ve ... -
Investigation of magneto-impedance effect of bilayer iron films
(2017)Cam zemin üzerinde manyetik çift katmanlı arasında manyetik olmayan bir tabaka kullanılarak (Fe/Cu/Fe) üretilen manyeto-empedans hücre (ME) elektron mikroskobu, X-ışını kırınımı, manyetik ve manyeto-empedans ölçümleri ... -
Bi̇yokömür: Üreti̇mi̇ ve kullanım alanları
(2017)Artan dünya nüfusu, azalan enerji kaynakları ve fosil enerji kaynaklarının kullanımı sonucu ortaya çıkan küresel ısınma gibi dünyanın karşılaştığı enerji problemlerine alternatif enerji kaynakları ile çözümler sunulmaya ... -
Magnetocaloric effect of ball-milled CoMn0.95V0.05Ge nano-powders
(Elsevier B.V., 2021)We have studied the magnetic properties and magnetocaloric effect of ball milled CoMn0.95V0.05Ge alloy by means of temperature and field dependence of magnetisation measurements. CoMn0.95V0.05Ge nano-powders with different ... -
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 ... -
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 ... -
Production and characterisation of biochar from tea waste and its nickel removal capacity from aqueous solutions
(Inderscience Publishers, 2017)Biochar, a carbon-rich solid product of slow pyrolysis of biomass, has gained interest due to its application in the various aims. Investigating of adsorption properties of biochar for removing pollutants from waste water ... -
Structure and giant inverse magnetocaloric effect of epitaxial Ni-Co-Mn-Al films
(Institute of Electrical and Electronics Engineers Inc., 2015)In the ongoing search for magnetocaloric materials, Heusler compound based ferromagnetic shape memory alloys (FSMA) of the system Ni-Mn-Z (Z=Sb, Ga, In, Sn) turned out to be very promising due to low cost of the containing ... -
Thermodynamic analyses and case studies of geothermal based multi-generation systems
(Elsevier, 2012)In this study, energy and exergy analyses of new geothermal energy based multi-generation systems with seven different combinations for practical applications are performed. The systems considered are mainly examined under ... -
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 ... -
The determination of energy production potential of traditional water mills in the district of Kalkandere in Turkey
(2012)A county in the province of Rize in Turkey, Kalkandere is topographically hilly and sloping terrain. Therefore, the stream is available in large amounts. In addition, Rize is the province of Turkey's highest rainfall and ... -
New parameters for reduction of heating-based greenhouse gas emissions: A case study
(Springer New York, 2013)In this study, the effect of indoor temperature for heating on reduction of carbon dioxide emissions in Turkey is studied under various conditions. Two new parameters are introduced, namely, carbon dioxide emission reduction ... -
Change in heating energy requirements for various interior space temperatures: A case study of Karabuk
(0-Belirlenecek, 2013)In this study, the effect of indoor temperature for heating on reduction of heating load in Karabuk province was studied for various cases. The potential heating degree-hour values for Karabuk are utilized by using average ... -
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 ... -
Energy analysis of hydrogen production from a hybrid wind turbine-electrolyzer system
(Springer International Publishing, 2014)In this study, the energy performance of hybrid wind-hydrogen system is investigated. In addition to energy performance, a cost analysis of hydrogen production is also carried out for stand-alone system for different PEM ... -
Prediction of daily average global solar radiation and parabolic monthly irradiation model parameters for Turkey
(Springer International Publishing, 2014)The amount of solar radiation falling on the surface of the earth is a very important data for engineers and scientists tomodel the solar energy systems and to design and carry out a performance analysis. Solar global ... -
Evaluation of waste human hair as graphene oxide and examination of some characteristic properties
(TUBITAK, 2020)In this study, graphene oxide was synthesized from activated carbon obtained from waste hair for the first time using Modified Hummers method. the Scanning Electron Microscopy (SEM), Fourier Transform Infrared Spectroscopy ... -
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 ... -
A novel approach for estimation of photovoltaic exergy efficiency
(Pergamon-Elsevier Science Ltd, 2012)In this study, a novel approach is proposed to determine the maximum amount of exergy from the sun when applied to a conventional photovoltaic (PV) system in order to formulate its exergy efficiency. the variations of ...