Başlık için Enerji Sistemleri Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 108, listelenen: 67-86
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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 ... -
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 ... -
The magnetostructural and magnetocaloric properties of CoMnGe1-xGaxB0.015 (x=0.05 and 0.06) alloys
(Elsevier Science Bv, 2014)The magnetostructural and magnetocaloric properties of CoMnGe1-xGaxB0.015 (x=0.05 and 0.06 are named Alloy-1 and Alloy-2, respectively) alloys have been investigated by X-ray powder diffraction, calorimetric and magnetization ... -
Magnetostructural transition in Co-Mn-Ge systems tuned by valence electron concentration
(Elsevier Science Sa, 2019)The effects of annealing process and chemical pressure on the structural and magnetocaloric properties of CoMn1-xVxGe (x=0.05 and 0.10) alloys have been studied. Rietveld refinement of XRD patterns revealed that all samples ... -
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 ... -
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 ... -
Mikro pim tipi kanatçıklı ve mikro oyuklu ısı alıcıda doymuş kaynamalı akışın deneysel incelenmesi
(Konya Teknik Üniversitesi, 2023)Mikrokanallarda kaynamalı akış, hava araçlarındaki yüksek kapasiteli elektronik sistemler, bilgisayar işlemcileri ve elektrikli araç bataryaları gibi yüksek yoğunluklu atık ısının açığa çıktığı sistemlerde, sürdürülebilirlik ... -
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 ... -
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 ... -
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 ... -
A new approach to determine the outdoor temperature distributions for building energy calculations
(Pergamon-Elsevier Science Ltd, 2014)This study formulated annual, monthly and hourly ambient temperature distributions for simplifying the calculation of cooling and heating degree-hours. in this regard, Turkey was selected as an application country, of which ... -
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 ... -
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 ... -
Optical and electrical properties of refined carbon derived from industrial tea waste
(Iop Publishing Ltd, 2020)The utilization of nano- and well-ordered carbon materials such as graphene especially in carbon-based electrical devices and in energy storage areas is becoming important in terms of developing economical methods and ... -
Parametre kestirimi newton-raphson yöntemiyle yapılan MATLAB/GUI tabanlı fotovoltaik sistem simülatörü
(2021)Bu çalışmada ilk olarak güneş pilinin çalışma prensibi, bileşenleri ve bağlantı şekilleri ile eşdeğer devre modeli çıkarımı incelenmiştir. Fotovoltaik (FV) güneş pili modülü genel eşdeğer devre modeli matematiksel ... -
Performance analysis of a novel solar desalination system - Part 2: The unit with sensible energy storage with thermal insulation and cooling system
(Elsevier, 2021)Solar assisted desalination systems have an unequivocal potential to meet water demand with their eco-friendly, sustainable and low cost features in the face of the decrease in water resources and increasing costs worldwide. ... -
Performance assessment of a novel hybrid district energy system
(Pergamon-Elsevier Science Ltd, 2012)In this paper, a new hybrid system for improving the efficiency of geothermal district heating systems (GDHSs) is proposed. This hybrid system consists of biogas based electricity production and a water-to-water geothermal ... -
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 ... -
Preparation and characterization of the highly efficient tetraphenylimidazole substituted Phthalocyanine/ZnO composite and investigation of its effect on the photocatalytic degradation of Rhodamine B and 2,4,6-trichlorophenol
(Elsevier, 2024)Growing concerns about industrial waste-induced environmental degradation have driven research towards sustainable solutions. Photocatalytic degradation, fueled by light and avoiding harmful chemicals, offers a promising ... -
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 ...