Enerji Sistemleri Mühendisliği Bölümü Koleksiyonu: Recent submissions
Now showing items 41-60 of 121
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The magnetothermal characterization of Ni-Cu-Mn-Sn alloy
(Pergamon-Elsevier Science Ltd., 2021)The substantial study presents the structural and magnetic phase transitions in the Ni46.8Cu2.5Mn36.5Sn14.3 alloy through AC susceptibility measurement and heat capacity measurement in a zero magnetic field. To check whether ... -
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. ... -
Experimental investigation and force analysis of flat-plate type pulsating heat pipes having ternary mixtures
(Pergamon-Elsevier Science Ltd., 2021)Comprehensive experiments are conducted to analyze complex heat transfer characteristics and flow nature of a flat plate closed loop pulsating heat pipe charged with ternary mixtures. Consecutive channels of the heat pipe ... -
Adaptive neuro-fuzzy interference system modelling for chlorpyrifos removal with walnut shell biochar
(Elsevier, 2021)Accumulation of chlorpyrifos (CP), a pesticide, causes a significant environmental problem in food, surface/ground waters further to human health. The removal of the CP pollutant in surface/wastewater could be achieved by ... -
Carbon microrod material derived from human hair and its electrochemical supercapacitor application
(Gazi Üniversitesi, 2021)Here, Turkish human hair fibers were used as a carbon source at the synthesis of human hair-sourced activated carbons (HHC). During the synthesis of HHCs sodium carbonate (Na2CO3) was added to the synthesis process for an ... -
A biochar-modified carbon paste electrode
(2017)The present work examıned the use of biochar derived from tea waste as a novel electrode material. For the fabrication of the biochar electrode, suitable amounts of biochar and graphite were mixed with mineral oil for the ... -
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 ... -
Novel, practical and reliable analytical models to estimate electrical efficiency of buildingintegrated photovoltaic/thermal (BIPVT) collectors and systems
(2018)Building-integrated photovoltaic/thermal (BIPVT) collectors are multifunctional products that replace conventional building materials in parts of the building envelopes, such as the facades and roofs. BIPVT collectors serve ... -
Çarpan eş eksenli bir hava jetinde debi oranının akış karakteristikleri üzerine etkisinin deneysel olarak i̇ncelenmesi
(2018)Bu çalışmada, dairesel ve halkasal eş eksenli akış pasajlarına sahip bir lüleden çıkarak dairesel bir plaka üzerine çarpan jetin hidrodinamik karakteristikleri deneysel olarak incelenmiştir. Deneyler üç farklı Reynolds ... -
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 ... -
Çoklu modül destekli enerji etkin akıllı kontrol sistemi
(2018)Akıllı kontrol sistemleri, yönetimi altında olan birimlerin kontrolünü kullanıcı etkisi olmaksızın gerçekleştiren sistemlerdir. Bu işlemler çeşitli yazılımlar aracılığıyla donanımların kontrol edilmesiyle gerçekleştirilmektedir. ... -
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 ...
